CN216072638U - Elevator cage - Google Patents

Abstract

The utility model relates to the field of elevators, and particularly discloses an elevator car, which comprises a car body formed by wall plates, wherein an accommodating groove is formed in the surface of one wall plate facing the inside of the car; the crawling ladder can be accommodated in the accommodating groove, a rotating hole is formed in the upper portion of the side wall of the accommodating groove, a rotating shaft connected with the rotating hole is arranged on the upper portion of the crawling ladder, the crawling ladder has an unfolding state and a folding state relative to the wallboard, and a locking mechanism used for locking the crawling ladder in the folding state is further arranged on the wallboard; and the safety switch is in linkage fit with the rotating shaft and can be driven to an off position by the rotating shaft so as to cut off an elevator safety control loop and prohibit the elevator from running. This application realizes through the cooperation mode in pivot, rotation hole that the wallboard is connected with the rotation of cat ladder, and simple structure possesses the antiskid, prevents turning on one's side, the effect of mechanical auto-lock, and stranded fireman uses the cat ladder to escape from the window of fleing at emergency, improves the safety in utilization.

Description

Elevator cage

Technical Field

The utility model relates to the field of elevators, and particularly discloses an elevator car.

Background

Present fire elevator product, in order to realize saving oneself that the fireman is stranded in the sedan-chair, set up the car safety window that can open completely in the fire elevator car, for example provide suitable lifesaving cat ladder in the car, because elevator car inner space is retrained, the ladder is direct fixed setting on the inboard surface of sedan-chair wall for some in the current fire elevator sedan-chair, not only occupy the sedan-chair space like this, influence the pleasing to the eye of car to there is certain potential safety hazard.

Still some fire ladders adopt hidden cat ladder, set up a storage cabinet, place in the storage cabinet in the cat ladder. The trapped firefighter can open the cabinet door, take out the hidden ladder stand to open the car top safety window, and climb out of the car to escape. Therefore, the storage cabinet is required to be arranged independently, the attractiveness of the lift car can be affected, the risk of rubbing the floor of the lift car in the opening process of the cabinet door is avoided, and the risk of colliding with a person is caused at the sharp corner of the cabinet door after the cabinet door is opened.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide an elevator car aimed at solving at least one of the technical problems mentioned above.

In order to achieve the purpose, the utility model provides an elevator car, which comprises a car body formed by wall plates, wherein an accommodating groove is formed in the surface of one wall plate facing the inside of the car;

the crawling ladder can be accommodated in the accommodating groove, a rotating hole is formed in the upper portion of the side wall of the accommodating groove, a rotating shaft connected with the rotating hole is arranged on the upper portion of the crawling ladder, the crawling ladder has an unfolding state and a folding state relative to the wallboard, and a locking mechanism used for locking the crawling ladder in the folding state is further arranged on the wallboard;

and the safety switch is in linkage fit with the rotating shaft and can be driven to an off position by the rotating shaft so as to cut off an elevator safety control loop and prohibit the elevator from running.

In addition, the elevator car of the present invention may have the following additional features.

According to one embodiment of the utility model, the accommodating groove comprises two longitudinal grooves arranged in parallel and a plurality of transverse grooves arranged between the two longitudinal grooves, wherein the plurality of transverse grooves are arranged at intervals, and the transverse grooves communicate the two longitudinal grooves.

According to one embodiment of the utility model, the accommodating groove is surrounded by two parallel groove side walls and a groove bottom wall vertically connected with the groove side walls, the elevator car further comprises a plurality of ladder step decorative plates for blocking gaps of the ladder steps, and the ladder step decorative plates are arranged in the accommodating groove.

According to one embodiment of the utility model, the outer surface of the ladder board is flush with the outer surface of the ladder and the inner wall surface of the wall board.

According to one embodiment of the utility model, the rotation hole is an oblong hole arranged along the length direction of the side wall of the accommodating groove.

According to an embodiment of the present invention, the rotating shaft reciprocates between a first position and a second position along the rotating shaft hole, and the rotating shaft abuts against the safety switch at the second position to turn off the safety switch.

According to one embodiment of the utility model, the locking mechanism comprises a triangular lock and a triangular lock rod connected with the triangular lock, wherein the triangular lock penetrates through and is installed on the wall plate, locking holes are formed in the side wall of the accommodating groove and the corresponding positions of the ladder stand, and the triangular lock rod can be driven by the triangular lock to be screwed in or out of the locking holes.

According to one embodiment of the utility model, the locking mechanism further comprises a limit tension spring, one end of the limit tension spring is fixed on the outer wall surface of the wall plate, and the other end of the limit tension spring is fixed on the triangular lock rod.

According to an embodiment of the present invention, the locking mechanism further includes a stopper shaft fixed to the outer wall surface of the wall plate, and the stopper shaft is located at a maximum position where the triangular locking bar is unscrewed.

According to one embodiment of the utility model, the triangular lock rod is matched with the limiting shaft in a magnetic attraction manner.

Compared with the prior art, the utility model has the following beneficial effects:

1. the wall plate and the ladder stand are integrally designed, so that the wall plate can be quickly identified and conveniently changed into the escape ladder stand, and the escape ladder stand has the characteristics of attractiveness, simplicity, intuition, safety and convenience;

2. the safety switch can control the opening and closing of the elevator according to the using state of the ladder stand, so that the safety is improved;

3. the wall plate and the ladder stand are rotatably connected through the matching mode of the rotating shaft and the rotating hole, the structure is simple, the anti-skidding, anti-rollover and mechanical self-locking effects are achieved, and the use safety is improved;

4. the crawling ladder has an unfolding state and a folding state relative to the wallboard, and when the crawling ladder is in the unfolding state, the crawling ladder is pulled out of the accommodating groove of the wallboard, so that the crawling ladder can be used for escape or other operations of an elevator car with a safety window;

5. this application is through setting up locking mechanical system for the cat ladder is locked when packing up the state, avoids the passenger accident to open the cat ladder, improves the security of elevator.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a front view of an embodiment of the utility model with the ladder collapsed;

FIG. 2 is a perspective view of the ladder of one embodiment of the present invention in a stowed position;

FIG. 3 is a cross-sectional view of FIG. 1 at A-A;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a partial enlarged view of fig. 3 at B;

FIG. 6 is a rear view of the ladder in a stowed position in accordance with an embodiment of the utility model;

FIG. 7 is an enlarged view of a portion of FIG. 6 at C;

fig. 8 is a partial enlarged view of fig. 6 at D;

FIG. 9 is a cross-sectional view of FIG. 1;

FIG. 10 is a perspective view of an embodiment of the utility model with the ladder deployed;

FIG. 11 is a front view of an embodiment of the utility model with the ladder deployed;

FIG. 12 is a cross-sectional view of FIG. 11 at A-A;

fig. 13 is a partial enlarged view at E of fig. 12;

fig. 14 is a partial enlarged view at F of fig. 12;

FIG. 15 is a rear view of an embodiment of the present invention with the ladder deployed;

fig. 16 is a partial enlarged view at G of fig. 15;

fig. 17 is a partial enlarged view at H of fig. 15;

fig. 18 is a cross-sectional view of fig. 10.

The reference numbers illustrate:

the elevator comprises an elevator car 100, a wall plate 10, an accommodating groove 101, a ladder stand bottom plate 102, a side plate 103, a rotating hole 104, a ladder stand 11, a long-side part 110, a stepping part 111, a rotating shaft 112, a ladder stand handrail 113, a safety switch 12, a ladder stand decorative plate 13, a triangular lock 14, a lock rod nut 15, a triangular lock rod 16, a locking hole 17 and a limiting shaft 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

An elevator car 100 of some embodiments of the utility model is described below with reference to fig. 1-18.

As shown in fig. 1 to 18, an embodiment of the present invention provides an elevator car 100, the elevator car 100 includes a car and a car roof, a car roof safety window is opened at a central position of the car roof, the car includes a car body formed by a wall plate 10 and a ladder 11, an inner wall of the wall plate 10 is opened with an accommodating groove 101 capable of accommodating the ladder 11, an upper portion of the ladder 11 is rotatably connected with the accommodating groove 101, the ladder 11 has an expanded state and a retracted state relative to the wall plate 10, and the wall plate 10 is further provided with a locking mechanism for locking the ladder 11 in the retracted state.

It should be noted that the wall plate 10 has a front surface and a back surface opposite to the front surface, wherein the front surface refers to a surface of the wall plate 10 directly facing a trapped fire fighter, and the receiving groove 101 is formed on the front surface of the wall plate 10

When the ladder stand 11 is not needed to be used at ordinary times, the ladder stand 11 is stored in the containing groove 101, at the moment, the ladder stand 11 is in a stored state, the ladder stand 11 is located in the containing groove 101, and the stored ladder stand 11 does not occupy the original space of an elevator car; when the ladder stand 11 is needed to be used in rescue, the ladder stand 11 is pulled out of the accommodating groove of the wall plate 10, the ladder stand 11 is in an unfolding state, and firefighters can escape from the bridge roof safety window or perform other operations by means of the ladder stand 11.

In this embodiment, the wall panel 10 includes a ladder bottom plate 102 and side plates 103 located at two sides of the ladder bottom plate 102, wherein the ladder bottom plate 102 is recessed in the side plates 103, and the ladder bottom plate 102 and the two side plates 103 together surround the accommodating groove 101 formed in the wall panel 10.

As shown in fig. 2, the ladder stand 11 in this embodiment includes: two long side portions 110 extending in parallel to each other in a predetermined direction; and a plurality of step portions 111 connected between the two long side portions 110 perpendicularly to the two long side portions 110 and provided at predetermined intervals along the extending direction of the two long side portions 110 so that the legs can straddle the step portions.

In some embodiments of the present application, the accommodating groove 101 may also be formed by directly recessing the middle portion of the wall plate 10, and the forming manner of the accommodating groove 101 is not limited in this embodiment, and the technical solution of forming the accommodating groove 101 for accommodating the ladder stand 11 is within the scope of the present application.

Specifically, in the present embodiment, the side wall of the receiving groove 101 is provided with a rotation hole 104, the upper portion of the ladder 11 is provided with a rotation shaft 112 connected with the rotation hole 104, and the ladder 11 is rotatably connected with the wall panel 10 through the rotation shaft 112 and the rotation hole 104.

In some embodiments of the present application, as shown in fig. 4, 7 and 13, the rotation hole 104 may be an oblong hole provided along a length direction of the side wall of the receiving groove 101. Specifically, in the process of pulling out and unfolding the ladder stand 11, the rotating shaft 112 can rotate along the rotating hole 104, so that the ladder stand 11 is obliquely pulled out towards the direction away from the wall plate 10, meanwhile, the rotating shaft 112 also moves downwards along the rotating hole 104 in the process of rotating along the rotating hole 104, correspondingly, the ladder stand 11 also moves downwards relative to the wall plate 10 until the bottom end of the ladder stand 11 is abutted against the bottom surface of the car, at the moment, the ladder stand 11 is in an inclined state, and the ladder stand 11, the wall plate 10 and the bottom surface of the car form a stable triangle, so that the stability and the safety of the ladder stand 11 are improved.

In this embodiment, the end of the rotating shaft 112 extends from the rotating hole 104 to the outside of the accommodating groove 101, the rotating shaft 112 can move along the rotating hole 104 between a first position and a second position, the elevator car 100 further comprises a safety switch 12, and the safety switch 12 can be driven to an off position by the rotating shaft 112 to cut off an elevator safety control loop and prohibit elevator operation. The rotating shaft 112 abuts against the safety switch 12 at the second position to disconnect the safety switch 12, and the safety switch 12 in this embodiment can be automatically reset. Specifically, the safety switch 12 of the present invention is constituted such that: when the ladder stand 11 is pulled out, the rotating shaft 112 moves downwards from the first position to the second position along the rotating hole 104, the tail end of the rotating shaft 112 is abutted to the control rod at the moment, the safety switch 12 is disconnected, the safety loop of the elevator is automatically disconnected at the moment, the elevator stops running, and safety of passengers and firefighters is guaranteed. On the contrary, when the ladder 11 is retracted into the receiving groove 101, the rotating shaft 112 moves upward along the rotating hole 104 to the first position, the end of the rotating shaft 112 releases the interference with the control rod, the safety switch 12 is connected, the elevator safety circuit is normally operated, and the elevator can normally operate. The safety switch 12 can be switched off when the ladder stand 11 is unfolded to stop the movement of the elevator, and can be switched on when the ladder stand 11 is folded to enable the elevator to normally run, and the safety switch 12 can be switched on or switched off along with the folding or unfolding of the ladder stand 11, so that the safety switch 12 does not need to be specially operated, and the safety of the elevator is higher.

It is worth mentioning that, in order to improve the steadiness after cat ladder 11 is pulled out, avoid cat ladder 11 to rotate the unstability that leads to towards the direction that is close to the wallboard 10 front or keeps away from the wallboard 10 front in the use, in some other embodiments of this application, can set up the spacing hole with rotating hole 104 intercommunication, the effect in this spacing hole is mainly after cat ladder 11 pulls out the expansion, carries out the chucking spacingly to pivot 112, avoids the rotation of pivot 112 when cat ladder 11 uses.

In some embodiments of this application, the holding recess includes two parallel arrangement's vertical bar groove and sets up two a plurality of horizontal bar grooves between the vertical bar groove, wherein, a plurality of horizontal bar groove intervals set up, just horizontal bar groove is with two vertical bar groove intercommunications. Specifically, the shape of the receiving groove 101 is adapted to the shape of the ladder 11. When the ladder stand 11 is accommodated in the accommodating groove 101, the appearance of the ladder stand 11 is just accommodated in the accommodating groove 101, so that the appearance matching of the accommodating groove 101 and the ladder stand 11 is realized, and the attractiveness is greatly improved.

In this embodiment, as shown in fig. 2 and 10, the accommodating groove 101 is square, the accommodating groove is formed by two parallel groove side walls and a groove bottom wall vertically connected with the groove side walls, the elevator car further includes a plurality of ladder stand decorative plates 13 for blocking the step gap of the ladder stand 11, and the ladder stand decorative plates 13 are arranged in the accommodating groove 101. Specifically, after the ladder stand 11 is accommodated in the accommodating groove 101, the accommodating groove 101 cannot be filled with the ladder stand 11, which results in that a plurality of gaps still exist in the accommodating groove 101, and in order to solve the problem, the present embodiment is provided with a plurality of ladder stand decorative plates 13 to block the gaps, so that the accommodating groove 101 is filled with the plurality of ladder stand decorative plates 13 and the ladder stand 11 together.

It should be noted that the shape of the ladder decorative plate 13 is not limited to the shape shown in the drawings of the present application, and those skilled in the art can flexibly select the shape as needed.

In order to improve the aesthetic appearance of the assembly of the ladder 11, the ladder trim panel 13 and the receiving recess 101, in this embodiment, the outer surface of the ladder trim panel 13 is flush with the outer surface of the ladder 11 and the inner wall surface of the wall panel 10.

As a preferred embodiment, the ladder stand 11 and the ladder stand decorative plate 13 can be made of engineering plastics, so that the appearance which is in line with the aesthetic sense of customers can be made quickly, and materials such as square pipes and metal plates can be adopted.

In this embodiment, as shown in fig. 2, a ladder handrail 113 is further disposed on the ladder 11, the ladder handrail 113 is disposed at a position parallel to the stepping portion 111 for facilitating the escape of the firefighter, and may also be disposed at a position perpendicular to the stepping portion 111, or a recessed ladder handrail is provided on the ladder 11, and the structure and the disposition position of the ladder handrail 113 are not limited in this embodiment, and those skilled in the art can flexibly select the handrail as required.

In the embodiment, as shown in fig. 3, 5, 8 and 14, the locking mechanism includes a triangular lock 14 and a triangular lock bar 16 connected to the triangular lock 14 through a lock bar nut 15, wherein the triangular lock 14 penetrates and is mounted on the wall plate 10, a locking hole 17 is opened at a corresponding position of the side wall of the receiving groove 101 and the ladder 11, and the triangular lock bar 15 can be driven by the triangular lock 14 to be screwed into or out of the locking hole 17. Specifically, when the ladder 11 is not needed, the triangular lock 14 is turned in one direction by using the triangular lock key to drive the triangular lock rod 16 to be screwed into the locking hole 17, so that the ladder 11 is locked, and correspondingly, when the ladder 11 is needed, the triangular lock 14 is turned in the opposite direction by using the triangular lock key to drive the triangular lock rod 16 to be screwed out of the locking hole 17, so that the ladder 11 is unlocked.

It should be noted that the present application describes in detail a locking mechanism formed by a triangular lock as an example, but the present application is not limited thereto, and any locking mechanism capable of locking the ladder 11 is within the scope of the present application.

In addition, since the triangular lock lever 16 is in a position invisible to the naked eye of the trapped firefighter, in order to limit the swing-out stroke of the triangular lock lever 16, in the present embodiment, as shown in fig. 3, 5, 8, and 14, the locking mechanism further includes a stopper shaft 18 fixed to the back surface of the wall plate 10, the stopper shaft 18 being located at the maximum position where the triangular lock lever 16 is swung out. Specifically, in the process that the triangular lock rod 16 is screwed out of the locking hole 17, the stroke of the triangular lock rod 16 has the maximum position, when the tail end of the triangular lock rod 16 moves to the maximum position, the triangular lock 16 will collide with the limiting shaft 18, at this time, the triangular lock 14 cannot be continuously screwed, and the trapped firefighter can determine that the triangular lock rod 16 is screwed out.

In some embodiments of the present application, the locking mechanism further comprises a limit tension spring, one end of which is fixed to the outer wall surface of the wall plate 10 and the other end of which is fixed to the triangular locking lever 16. Specifically, in the process of screwing out the triangular lock rod 16, the elastic force of the limit tension spring needs to be overcome, so that the screwing-out stroke of the triangular lock rod 16 is certain, when the ladder stand 11 is not needed, the triangular lock 14 releases the acting force on the triangular lock rod 16, and at the moment, the triangular lock rod 15 can be reset under the tension of the limit tension spring and then screwed into the locking hole 17.

In this embodiment, the locking hole 17 may be a long circular hole disposed along the length direction of the side wall of the accommodating groove 101, and the limiting shaft 18 may be magnetically engaged with the triangular lock rod 16, that is, the limiting shaft 18 may be made of a magnet material, the triangular lock rod 16 is made of a metal material, or the limiting shaft 18 may also be a steel rod coated with an elastic material, which is not limited herein.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. An elevator car, comprising:

the elevator car comprises a car body formed by wall plates, wherein an accommodating groove is formed in the surface of one wall plate facing the inside of the car;

the crawling ladder can be accommodated in the accommodating groove, a rotating hole is formed in the upper portion of the side wall of the accommodating groove, a rotating shaft connected with the rotating hole is arranged on the upper portion of the crawling ladder, the crawling ladder has an unfolding state and a folding state relative to the wallboard, and a locking mechanism used for locking the crawling ladder in the folding state is further arranged on the wallboard;

and the safety switch is in linkage fit with the rotating shaft and can be driven to an off position by the rotating shaft so as to cut off an elevator safety control loop and prohibit the elevator from running.

2. The elevator car of claim 1, wherein the receiving pocket comprises two parallel longitudinal grooves and a plurality of transverse grooves disposed between the two longitudinal grooves, wherein the plurality of transverse grooves are spaced apart and the transverse grooves communicate the two longitudinal grooves.

3. The elevator car of claim 1, wherein the receiving recess is surrounded by two parallel slot sidewalls and a slot bottom wall perpendicularly connected to the slot sidewalls, the elevator car further comprising a plurality of ladder trim panels closing off the ladder step gap, the ladder trim panels being disposed within the receiving recess.

4. The elevator car of claim 3, wherein an outer surface of the ladder trim panel is flush with an outer surface of the ladder and an inner wall surface of a wall panel.

5. The elevator car of claim 3, wherein the rotation hole is an oblong hole disposed along a length of a sidewall of the receiving groove.

6. The elevator car of claim 5, wherein the shaft is reciprocally movable along the shaft bore between a first position and a second position, the shaft abutting the safety switch at the second position to open the safety switch.

7. The elevator car as claimed in any one of claims 1 to 6, wherein the locking mechanism comprises a triangular lock and a triangular lock rod connected with the triangular lock, wherein the triangular lock penetrates through and is mounted on the wall plate, a locking hole is formed in a side wall of the accommodating groove and a corresponding position of the ladder stand, and the triangular lock rod can be driven by the triangular lock to rotate in or out of the locking hole.

8. The elevator car of claim 7, wherein the locking mechanism further comprises a limit tension spring, one end of the limit tension spring is fixed to the outer wall surface of the wall plate, and the other end of the limit tension spring is fixed to the triangular lock bar.

9. The elevator car of claim 7, wherein the locking mechanism further comprises a limit shaft fixed to the outer wall surface of the wall panel, the limit shaft being located at a maximum position where the triangular locking bar is unscrewed.

10. The elevator car of claim 9, wherein the triangular locking bar is magnetically engaged with the limit shaft.

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