CN211310500U

CN211310500U - Elevator escape safety window

Info

Publication number: CN211310500U
Application number: CN201921145275.9U
Authority: CN
Inventors: 沈林海; 郭晨阳; 姚麟琪; 申健
Original assignee: Braun Elevator Co ltd
Current assignee: Braun Elevator Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-08-21
Anticipated expiration: 2029-07-19

Abstract

The utility model provides an elevator safety window of fleing belongs to elevator safety field. The safety window comprises a safety window body, wherein a safety triangular lock is hinged to the safety window body, a lock rod is arranged on the safety triangular lock, the safety window further comprises a collision bow which is arranged above the safety window body and can be close to or far away from the lock rod, and when the collision bow is close to the lock rod, the end part of the lock rod can be abutted against the collision bow to form clamping connection. The utility model discloses the advantage lies in that the tip through the locking lever in the device offsets and forms the joint with the terminal surface that hits the bow, and hits the bow and all be unevenness form with the terminal surface of locking lever mutual contact, replaces loaded down with trivial details lock through this simple and reliable mode.

Description

Elevator escape safety window

Technical Field

The utility model belongs to elevator safety field especially relates to an elevator safety window of fleing.

Background

Conventional safety window all fixes the position at the safety window hinge with a safety switch, sets up a professional triangulation chain in the upper portion position of safety window, must open with professional triangle key when search and rescue personnel get into the car and open safety window, and this is the safety measure who guarantees passenger in the car, but when search and rescue personnel in the car top search and rescue personnel in the car, often more loaded down with trivial details, the switch is manual reset too.

For example, chinese patent document discloses an elevator safety window locking device [ patent application No.: [ CN201621316427.3] it includes car top safety switch, its characteristic is that there is a rotary lock on the safety window, the rotary lock includes lock bar, the lock bar has lock head which locks with the car top safety switch, there is a pressure house plate between the rotary lock and the car top safety switch, there is a tension spring fixed on the safety window at the reverse position of the rotary lock opening direction. However, the device is often complicated in the unlocking process, the safety window can not be closed smoothly, and the configured switch needs to be reset manually, so that the device is troublesome and inconvenient for operators on site to operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide an elevator safety window of fleing.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the elevator escape safety window comprises a safety window body, wherein a safety triangular lock is hinged to the safety window body, a lock rod is arranged on the safety triangular lock, the elevator escape safety window further comprises a collision bow which is arranged above the safety window body and can be close to or far away from the lock rod, and when the collision bow is close to the lock rod, the end part of the lock rod can abut against the collision bow and form a clamping connection.

In the elevator escape safety window, the impact bow can move back and forth repeatedly along the horizontal direction so as to be close to or far away from the lock rod, the cross section of the impact bow is uneven, and the end part of the lock rod is matched with the shape and size of the cross section of the impact bow.

In the elevator escape safety window, the impact bow is connected with a driver, an output shaft of the driver is connected with the impact bow, the driver is provided with an output shaft capable of axially reciprocating, and the cross section of the impact bow is in a wave arc shape.

In the above elevator escape safety window, the collision bow includes a valley portion recessed toward the lock rod, two sides of the valley portion are respectively provided with a peak portion, and the end portion of the lock rod is provided with a valley portion and a peak portion which are matched with the valley portion and the peak portion in shape and size and correspond to each other.

When the collision bow is clamped with the lock rod, the two bow peak parts are covered on the rod peak part of the lock rod, and the outer sides of the two bow peak parts extend to pass through the bottom of the rod valley part.

In the elevator escape safety window, one end of the safety triangular lock extends out of the safety window body, the projection of the other end of the safety triangular lock is located above the safety window body, and the end part of the impact bow, which is far away from the safety window body, is provided with the inclined plate which is provided with the radian and has elasticity.

The elevator escape safety window further comprises a falling-back prevention rod, one end of the falling-back prevention rod is hinged to the safety window body, the other end of the falling-back prevention rod is hinged to a falling-back prevention block which can move back and forth along the horizontal direction repeatedly to be far away from or close to the safety window body, the falling-back prevention block is movably connected with a groove formed in the elevator body, a plurality of clamping blocks are movably connected to two sides of the falling-back prevention block, the end walls of two sides of the groove are communicated with clamping grooves matched with the clamping blocks, and the clamping blocks can extend out of the falling-back prevention block and extend into the corresponding clamping grooves.

In the elevator escape safety window, the end part of the clamping block is connected with the spring arranged in the anti-falling block, and when the clamping block extends into the anti-falling block, the spring can drive the clamping block to extend out of the anti-falling block towards the direction far away from the anti-falling block.

In the elevator escape safety window, the end wall of each clamping groove far away from the safety window body is an inclined surface, the inclined surface extends to the other end from one end far away from the groove to the direction far away from the safety window body, and the clamping block can extend into the end part of the clamping groove to be matched with the corresponding clamping groove.

At foretell elevator safety window of fleing, still include with locking lever swing joint's the shape piece of preapring for an unfavorable turn of events, the locking lever run through the shape piece of preapring for an unfavorable turn of events, just the shape piece of preapring for an unfavorable turn of events offset with the upper and lower terminal surface of locking lever, the shape piece of preapring for an unfavorable turn of events on be equipped with the opening, the locking lever can extend the opening.

Compared with the prior art, the utility model has the advantages of:

1. the end part of the lock rod is abutted against the end face of the impact bow to form clamping connection, and the end faces of the impact bow and the lock rod which are contacted with each other are both in a rugged shape, so that a complex lock is replaced by the simple and reliable mode.

2. The impact bow in the device is provided with a sloping plate which has a buffer function and reduces the impact force between the impact bow and a travel switch and the generated noise.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view in the direction B in FIG. 2;

fig. 4 is a schematic view of the swash plate.

In the figure: the safety window comprises a safety window body 11, a safety triangular lock 12, a lock rod 13, a collision bow 14, a driver 15, a sloping plate 16, an anti-falling rod 18, an anti-falling block 19, a groove 20, a clamping block 21, a clamping groove 22, a spring 23, an opening 24, an anti-deformation block 25, a valley portion 30, a peak portion 31, a valley portion 32 and a peak portion 33.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-2, an elevator escape safety window comprises a safety window body 11, wherein a safety triangular lock 12 is hinged to the safety window body 11, a lock rod 13 is arranged on the safety triangular lock 12, the elevator escape safety window further comprises a collision bow 14 which is arranged above the safety window and can be close to or far away from the lock rod 13, and when the collision bow 14 is close to the lock rod 13, the end part of the lock rod 13 can abut against the collision bow 14 and form clamping connection. The end part of the lock rod 13 is abutted against the impact bow 14 to form clamping connection through the approach of the impact bow 14 to the lock rod 13, so that the lock rod 13 is in a non-rotatable state, the safety window body 11 is in a non-openable state, when an emergency situation occurs to an elevator, the impact bow 14 is far away from the lock rod 13, so that the lock rod 13 and the impact bow 14 are separated from the clamping connection state and are in a rotatable state, a triangular key drives the safety triangular lock 12 to drive the lock rod 13 to rotate, and the safety window body 11 is opened.

The impact bow 14 can move back and forth repeatedly along the horizontal direction so as to be close to or far away from the lock rod 13, the cross section of the impact bow 14 is uneven, and the end part of the lock rod 13 is matched with the shape and the size of the cross section of the impact bow 14. If the cross section of the bow 14 is an inclined plane and abuts against the lock rod 13 to prevent the lock rod 13 from rotating and opening the safety window body 11, although the function of preventing the lock rod 13 from rotating by clamping can be achieved, the clamping state between the lock rod 13 and the bow 14 is unstable, and when the cross section of the bow 14 is uneven, the lock rod 13 can be clamped from multiple directions when the bow 13 contacts with the lock rod 13 and the lock rod 13 does not rotate, the end surfaces of the bow 14 and the lock rod 13 which are contacted with each other are uneven, the lock rod 13 and the bow 14 are in a clamping stage through mutual abutting of the uneven end surfaces, and if the bow 14 does not move and is far away from the lock rod 13, the lock rod 13 cannot rotate and is separated from the clamping state with the bow 14.

The impact bow 14 is connected with a driver 15, an output shaft of the driver 15 is connected with the impact bow 14, the driver 15 is provided with an output shaft capable of reciprocating along the axial direction, and the cross section of the impact bow 14 is in a wave arc shape. The driver 15 is provided with two buttons, one button is arranged at the top of the elevator, the other button is arranged in the elevator cabin, when the elevator is in an emergency, people in the elevator can save themselves or wait for workers to open the safety window body 11 from the outside, and the driver 15 can be an oil cylinder or an air cylinder as will be understood by those skilled in the art. The contact surfaces of the impact bow 14 and the lock rod 13 are all in a wave arc shape, in the mutual contact and offset state, the cross section of the impact bow 14 meanders to the other end from one end and consists of a plurality of sections of circular arcs which can be connected in a tangent mode, so that the meandered end surface is not provided with a sharp corner or a right-angle turning part, in the contact process of the impact bow 14 and the lock rod 13, the situation that the sharp corner impacts the contact end surface is avoided, and the contact end surfaces of the impact bow 14 and the lock rod 13 can be protected to be kept complete and not worn.

The striking bow 14 comprises a valley portion 30 depressed towards the lock rod 13, two sides of the valley portion 30 are respectively provided with a crest portion 31, and the end of the lock rod 13 is provided with a rod valley portion 32 and a rod crest portion 33 which are matched with the shape and the size of the valley portion 30 and the crest portion 31 and correspond to each other. When the striker 14 abuts against and engages with the lock lever 13, the valley portion 32 and the peak portion 33 extend into the valley portion 30 and the peak portion 31, respectively, the valley portion 30 completely covers and abuts against the end surface of the valley portion 32, the peak portion 31 completely covers and abuts against the peak portion 33, the rotation of the lock lever 13 is restricted by the curved arc surface, the arc surface of the valley portion 30 and the arc surfaces of the peak portions 31 on both sides are connected in a tangential manner, so that the end surface of the valley portion 30 protrudes toward the lock lever 13, and when the valley portion 30 abuts against the valley portion 32, the force for driving the lock lever 13 to rotate in different directions can be canceled by the arc end surface at the connection.

When the impact bow 14 is clamped with the lock rod 13, the two bow peak parts 31 cover the rod peak parts 33 of the lock rod 13, and the outer sides of the two bow peak parts 31 extend to pass through the bottoms of the rod valley parts 32. The bottom of the peak 31 is an entire end surface of the peak 31 close to the safety window body 11, and both end surfaces of the peak 31 are closer to the safety window body 11 than the bottom of the peak 31, thereby preventing the lock lever 13 from sliding out of the impact bow 14 from both sides when extending into the impact bow 14.

As shown in fig. 4, one end of the safety triangular lock 12 extends out of the safety window body 11, and the projection of the other end is located above the safety window body 11, the end of the impact bow 14 far from the safety window body 11 is provided with an elastic inclined plate 16 with radian, one end of the safety triangular lock 12 is arranged at the top of the elevator, the other end extends into the elevator cabin, when the elevator is in an emergency, people in the elevator can save themselves or wait for workers to open the safety window body 11 from the outside, when the emergency occurs, the safety window body 11 can be opened in advance and wait for rescuers to save the time for opening the safety window body 11, the rescue time is greatly increased, in addition, the inclined plate 16 has a buffer effect, the impact force and the generated noise between the impact bow 14 and the travel switch are reduced, and various sharp abnormal sounds and the like are generated due to the impact between the impact bow 14 and the travel switch in the operation of the existing elevator, prevent people in the elevator cabin from hearing sharp abnormal sounds to generate uncomfortable or dysphoric mood.

Still include and prevent falling back pole 18, prevent that falling back pole 18 one end is articulated with safety window body 11, and the other end is articulated to have and can keep away from or be close to the piece 19 that falls back of preventing of safety window body 11 along the horizontal direction back and forth repeated movement, thereby prevent falling back piece 19 swing joint have a recess 20 of setting on the elevator body, each swing joint in both sides of preventing falling back piece 19 have a plurality of fixture block 21, the end wall of recess 20 both sides on each intercommunication have a plurality of and the draw-in groove 22 of fixture block 21 looks adaptation, fixture block 21 can extend and prevent falling back piece 19 and extend into in the corresponding draw-in groove 22. When people in the elevator cabin self-rescue and open the safety window body 11 from the elevator, because the top of the elevator is higher, when the safety window body 11 is lifted by hand, only a certain height can be lifted, when the hand is put down without bearing the force, in order to prevent the security window body 11 from falling back to cause a failure in opening the security window body 11 to increase the escape time, thus, during the rotation of the safety window body 11, the rotated safety window body 11 moves the anti-fallback bar 18 rearward thereby pushing the anti-fallback block 19 rearward along the groove 20, when the falling-back prevention block 19 moves to the position where the fixture block 21 corresponds to the corresponding fixture groove 22, the fixture block 21 will extend into the corresponding fixture groove 22 and form a clamping connection to prevent the falling-back of the safety window body 11, therefore, when people open the safety window body 11 in the elevator cabin, if the people do not have strength and need to have a rest to continue to open the safety window body 11, the safety window body 11 can be clamped and does not fall back to close the rescue channel, and the people can continue to open the safety window body 11 after waiting for the rest.

The end of the latch 21 is connected with a spring 23 disposed in the anti-falling block 19, and when the latch 21 extends into the anti-falling block 19, the spring 23 can drive the latch 21 to extend out of the anti-falling block 19 in a direction away from the anti-falling block 19. When the anti-falling-back block 19 moves to the position where the latch 21 corresponds to the corresponding slot 22, the spring 23 drives the latch 21 to move and extend into the corresponding slot 22.

Each of the locking grooves 22 is an inclined surface at an end wall far away from the safety window body 11, and the inclined surface extends from one end far away from the groove 20 to the other end in a direction far away from the safety window body 11, and the locking block 21 can extend into an end of the locking groove 22 to be matched with the corresponding locking groove 22. When the clamping block 21 is clamped into the first corresponding clamping groove 22, the safety window body 11 is continuously pushed to rotate, force continuously enabling the anti-falling block 19 to move backwards is applied to the anti-falling block 19, and because the end wall of each clamping groove 22 far away from the safety window body 11 is an inclined surface which has a guiding function, the force applied to the anti-falling block 19 enables the clamping block 21 to extrude the inclined edge in the clamping groove 22, and the clamping block 21 extrudes the spring 23 and enables the clamping block 21 to extend into the anti-falling block 19 under the guiding function of the inclined edge, so that the anti-falling block 19 continuously moves backwards until the clamping block 21 extends into the next corresponding clamping groove 22.

As shown in fig. 3, the anti-deformation lock device further comprises an anti-deformation block 25 movably connected with the lock rod 13, the lock rod 13 penetrates through the anti-deformation block 25, the anti-deformation block 25 abuts against the upper end face and the lower end face of the lock rod 13, an opening 24 is formed in the anti-deformation block 25, and the lock rod 13 can extend out of the opening 24. When the stroke switch collides with the inclined plate 16 and presses the inclined plate 16, the impact bow 14 is deformed, the deformed impact bow 14 drives the lock lever 13 to be slightly deformed, and the deformation prevention block 25 is provided to prevent the lock lever 13 from being easily disengaged from the impact bow 14 due to deformation.

The principle of the utility model is that: when an emergency occurs, the driver 15 is opened, the impact bow 14 moves in the direction away from the lock rod 13 along the horizontal direction, so that the lock rod 13 and the impact bow 14 are separated from a clamping state and are in a rotatable state, the triangular key drives the safety triangular lock 12 to drive the lock rod 13 to rotate, so that the safety window body 11 is opened, when the safety window body 11 is opened, the rotating safety window body 11 enables the anti-falling rod 18 to move backwards so as to push the anti-falling block 19 to move backwards along the groove 20, when the anti-falling block 19 moves until the positions of the clamping blocks 21 correspond to the positions of the corresponding clamping grooves 22, the clamping blocks 21 extend into the corresponding clamping grooves 22 to form clamping to prevent the safety window body 11 from falling back, when the clamping blocks 21 are clamped into the first corresponding clamping grooves 22, the safety window body 11 is continuously pushed to rotate, so that the anti-falling block 19 is continuously exerted with a force to move backwards, and the force exerted on the anti-falling block 19 enables the clamping blocks 21 to extrude the inclined edges in the clamping, and under the guiding action of the inclined edge, the clamping block 21 extrudes the spring 23 and the clamping block 21 extends into the anti-falling block 19, so that the anti-falling block 19 continuously moves backwards until the clamping block 21 extends into the corresponding next clamping groove 22, and the safety window body 11 is gradually opened.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms such as the safety window body 11, the safety triangle lock 12, the lock lever 13, the impact bow 14, the driver 15, the inclined plate 16, the anti-fallback lever 18, the anti-fallback block 19, the groove 20, the latch 21, the catching groove 22, the spring 23, the opening 24, the anti-deformation block 25, the valley 30, the peak 31, the valley 32, the peak 33, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The elevator escape safety window comprises a safety window body (11) and is characterized in that a safety triangular lock (12) is hinged to the safety window body (11), a lock rod (13) is arranged on the safety triangular lock (12), the elevator escape safety window further comprises a collision bow (14) which is arranged above the safety window and can be close to or far away from the lock rod (13), and when the collision bow (14) is close to the lock rod (13), the end part of the lock rod (13) can abut against the collision bow (14) and form clamping connection.

2. An elevator escape safety window according to claim 1, wherein the bow (14) can move back and forth repeatedly along the horizontal direction to approach or separate from the lock bar (13), the cross section of the bow (14) is uneven, and the end of the lock bar (13) is adapted to the shape and size of the cross section of the bow (14).

3. An elevator escape safety window according to claim 2, wherein the impact bow (14) is connected with a driver (15), an output shaft of the driver (15) is connected with the impact bow (14), the driver (15) is provided with an output shaft capable of reciprocating along the axial direction, and the cross section of the impact bow (14) is in a wave arc shape.

4. An elevator escape safety window according to claim 3, wherein the impact bow (14) comprises a valley portion (30) recessed toward the lock bar (13), a peak portion (31) is provided on each side of the valley portion (30), and a valley portion (32) and a peak portion (33) corresponding to the valley portion (30) and the peak portion (31) in shape and size are provided at the end of the lock bar (13).

5. An elevator escape safety window according to claim 4, wherein when the impact bow (14) is engaged with the lock bar (13), two of the peak portions (31) are covered on the peak portions (33) of the lock bar (13), and the outer sides of the two peak portions (31) extend over the bottoms of the valley portions (32).

6. An elevator escape safety window as claimed in claim 1, wherein one end of the safety triangular lock (12) extends out of the safety window body (11), the projection of the other end is positioned above the safety window body (11), and the end of the impact bow (14) far away from the safety window body (11) is provided with an elastic inclined plate (16) with radian.

7. The elevator escape safety window according to claim 1, further comprising a fall-back prevention rod (18), wherein one end of the fall-back prevention rod (18) is hinged to the safety window body (11), the other end of the fall-back prevention rod is hinged to a fall-back prevention block (19) which can move back and forth repeatedly along the horizontal direction so as to be far away from or close to the safety window body (11), the fall-back prevention block (19) is movably connected with a groove (20) formed in the elevator body, two sides of the fall-back prevention block (19) are respectively and movably connected with a plurality of clamping blocks (21), end walls on two sides of the groove (20) are respectively communicated with a plurality of clamping grooves (22) matched with the clamping blocks (21), and the clamping blocks (21) can extend out of the fall-back prevention block (19) and extend into the corresponding clamping grooves (22).

8. The elevator escape safety window according to claim 7, wherein the end of the latch (21) is connected to a spring (23) disposed in the anti-falling block (19), and when the latch (21) extends into the anti-falling block (19), the spring (23) can drive the latch (21) to extend out of the anti-falling block (19) in a direction away from the anti-falling block (19).

9. An elevator escape safety window according to claim 7, wherein the end wall of each locking groove (22) far from the safety window body (11) is a slope, and the slope extends from one end far from the groove (20) to the other end in the direction far from the safety window body (11), and the end of the locking block (21) capable of extending into the locking groove (22) is matched with the corresponding locking groove (22).

10. An elevator escape safety window according to claim 1, further comprising an anti-deformation block (25) movably connected to the lock rod (13), wherein the lock rod (13) penetrates through the anti-deformation block (25), the anti-deformation block (25) abuts against the upper end surface and the lower end surface of the lock rod (13), an opening (24) is formed in the anti-deformation block (25), and the lock rod (13) can extend out of the opening (24).