CN210976672U

CN210976672U - Elevator sedan-chair door safety device

Info

Publication number: CN210976672U
Application number: CN201921488446.8U
Authority: CN
Inventors: 李海伟; 陈文�; 钟均宁; 林佳明
Original assignee: Shenzhen Weiao Elevator Engineering Co ltd
Current assignee: Shenzhen Weiao Elevator Engineering Co ltd
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-07-10
Anticipated expiration: 2029-09-07

Abstract

The utility model relates to an elevator sedan-chair door safety device, set up in the protection frame at elevator sedan-chair door both ends, its characterized in that including elevator sedan-chair door and symmetry: the protection frame includes base, fixed connection and is in connecting rod, the grafting of base upper end are in slide bar, the fixed connection of connecting rod upper end are in gag lever post, the rotation cover of slide bar upper end are established sleeve pipe, fixed connection on the gag lever post are in the guard plate of sleeve pipe outer end, the gag lever post both ends are provided with the limiting plate, the gag lever post both ends cover is equipped with the torsional spring and fixes a position limiting plate one end, the torsional spring other end location is in cover intraductal wall. The utility model discloses have and do not need manual operation just can open and close, can adjust height, simple structure conveniently operate, transport convenient effect by oneself as required.

Description

Elevator sedan-chair door safety device

Technical Field

The utility model relates to an elevator protection field, in particular to elevator sedan-chair door safety device.

Background

The elevator is applied to the equipment of carrying between the floor, and common have escalator formula, sedan-chair formula etc. wherein escalator formula is mainly applied to places such as the comparatively intensive market of personnel, and the sedan-chair formula is mainly applied to higher resident's building of floor height, office building etc.. As elevators become more and more common in people's daily life, the safety protection of elevators has become a non-negligible problem.

The prior patent grant publication number: CN204224010U elevator sedan-chair door rail guard discloses an elevator sedan-chair top rail guard, including fixed guardrail, folding guardrail and trigger switch, folding guardrail includes back guardrail and two relative side guardrails, and the back guardrail is located between two side guardrails and forms the U-shaped frame with two side guardrails, and back guardrail and side guardrail rotate with fixed guardrail respectively and are connected, trigger switch and fixed guardrail fixed connection and be located the U-shaped frame, when folding guardrail was folding in to the U-shaped frame, folding guardrail and trigger switch contact. The folding guardrail is opened by controlling the trigger switch.

But this scheme need open or close the guardrail through control trigger switch, after the painstaking work of maintenance personal through one day, when the removal touch trigger switch of full hand oil stain, can make trigger switch be stained with oil stain, very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an elevator sedan-chair door safety device has and does not need manual operation, just can be in addition the effect that elevator sedan-chair door safety device opened and closed.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an elevator sedan-chair door safety device, sets up in the fender bracket at elevator sedan-chair door both ends including elevator sedan-chair door and symmetry, the fender bracket includes base, fixed connection and is in connecting rod, the grafting of base upper end are in slide bar, the fixed connection of connecting rod upper end are in gag lever post, the rotation cover of slide bar upper end are established sleeve pipe, fixed connection on the gag lever post are in the guard plate of sleeve pipe outer end, the gag lever post both ends are provided with the limiting plate, the gag lever post both ends cover is equipped with the torsional spring and fixes a position limiting plate one end, the torsional spring other end location is in the.

Through adopting above-mentioned technical scheme, before the elevator sedan-chair door, a protection frame is respectively placed at both ends, and the guard plate on two protection frames all protects before the elevator door towards another protection frame, two guard plates. When the elevator damages, maintenance personal carries out maintenance work in the elevator, places protection frame at both ends earlier, then gets into the elevator in the protection frame of one end from, because two protection frames are placed for the opposite direction, so the direction that the guard plate opened and shut is the same opposite, and maintenance personal gets into the guard plate direction of opening and shutting on the protection frame of elevator one side and faces the elevator. When the maintenance personal got into the elevator, need not rotate the guard plate with the hand, only need directly move towards the elevator in guard plate the place ahead, when the guard plate was touchhed to the body, guard plate and sleeve pipe rotated on the gag lever post together to the route of letting out people's walking. When walking over the protection frame, the sleeve pipe produces the trend of recovering original position under the effect of the torsional spring of fixing at the limiting plate terminal surface to drive the guard plate and rotate back to the original position. When the elevator is repaired, the elevator only needs to go out from the protective frame on the other side. After the elevator is repaired, maintenance personnel do not need to touch the protection frame by hands, so that stains such as oil stains and the like which are difficult to clean can not be stained on the protection frame, and the protection frame can be kept in a relatively clean state all the time. Meanwhile, the manual operation is not needed, and the operation is more convenient.

The utility model discloses further set up to: and the two ends of the inner wall of the sleeve and one end of the limiting plate are respectively provided with a first positioning groove and a second positioning groove for interference insertion of one end of the torsion spring.

Through adopting above-mentioned technical scheme, torsional spring one end interference is pegged graft in fixing the second constant head tank on the limiting plate, and the other end interference is pegged graft in the first constant head tank of sleeve pipe inner wall. When sleeve pipe and guard plate co-rotation, the one end of torsional spring is spacing by first constant head tank for the torsional spring also produces the pivoted trend, but the other end of torsional spring is pegged graft in the second constant head tank of limiting plate one end simultaneously, so the torsional spring produces deformation because of unable rotation, and when sleeve pipe and guard plate stopped rotating, the torsional spring resumes former state, drives the sleeve pipe and the rotatory home position that returns of guard plate. According to the scheme, the torsion spring can be detached together with the limiting plate independently, and the torsion spring is convenient to replace when damaged.

The utility model discloses further set up to: the sleeve pipe is provided with a cylindrical insertion groove, and one end of the protection plate is provided with an insertion strip which can be inserted into the insertion groove in an interference manner.

Through adopting above-mentioned technical scheme, the grafting strip interference of guard plate one end is pegged graft in the inserting groove, makes the guard plate fix on the sleeve pipe on the one hand, when the guard plate rotates along with the sleeve pipe, can be more stable, and on the other hand when guard plate or sleeve pipe damage, can pull down guard plate or sleeve pipe alone, and is more convenient during the change.

The utility model discloses further set up to: the utility model discloses a slide bar, including slide bar, connecting rod, stopper, slide bar, baffle, the confession is seted up to the connecting rod the slide hole that supplies slide bar grafting slides, the connecting rod is in slide downthehole wall upper end is provided with the stopper, slide bar lower extreme an organic whole is provided with the baffle, and the confession is seted up to the side the spout that the stopper slided.

Through adopting above-mentioned technical scheme, the pole that slides is pegged graft in the connecting rod. When the sliding rod slides in the sliding hole in the connecting rod, the limiting block at the upper end of the connecting rod slides in the sliding groove at the side face of the sliding rod, and when the lower end of the sliding rod slides to the upper end of the connecting rod, the baffle plate is limited by the limiting block at the upper end of the inner wall of the connecting rod, so that one end of the sliding rod can only slide in the connecting rod. This scheme makes the effective height of protection frame increase, when the protection frame that faces the elevator of co-altitude or need co-altitude not, can realize the high transform of protection frame through the pole that slides.

The utility model discloses further set up to: a bean jumping spring is arranged in the sliding rod, and a plurality of hemispherical limiting grooves for the bean jumping spring to be spliced are formed in the inner wall of the connecting rod.

Through adopting above-mentioned technical scheme, jumping the beans spring and pegging graft at the spacing groove and discouraging for the pole location of sliding is on the connecting rod, and a plurality of spacing grooves make jumping the beans spring can peg graft at arbitrary spacing inslot, make the pole of sliding can carry out the multistage fixed, make the height of protection frame can carry out more subtle regulation. This scheme makes thereby obtain the protection frame of co-altitude not through the height of sliding of adjusting the location pole of sliding and protect the damage of elevator under the different situation to, the simple easy operation of regulation mode.

The utility model discloses further set up to: the upper end of the base is provided with a threaded hole, and the connecting rod is connected with the base through a bolt.

Through adopting above-mentioned technical scheme, the connecting rod can freely be dismantled. When the connecting rod damages, can just can be so that the protection frame reuses through only changing the connecting rod, when having saved maintenance duration, saved the cost. In addition, the sliding rod slides and is inserted in the connecting rod, the lower end of the sliding rod is provided with a baffle plate, and the upper end of the connecting rod is provided with a limiting block, so that the sliding rod cannot be inserted from the upper end of the connecting rod, and the insertion from the lower end is the only method. The connecting rod can be easily disassembled, and the sliding rod is convenient to assemble and disassemble.

The utility model discloses further set up to: the base lower extreme has seted up the standing groove, it is provided with universal pulley to fold in the standing groove.

Through adopting above-mentioned technical scheme, before elevator maintenance, need transport the protection frame from a place, probably can not be too near apart from, perhaps elevator maintenance finishes, and maintenance person need put the protection frame back to the original place again, if lifting the protection frame and going away probably harder, also time waste more, so be provided with universal pulley under the base for the protection frame can slide on ground through universal pulley, and is very convenient. And, the standing groove has been seted up to the base lower extreme, and universal pulley is folding to be placed in the standing groove, only when needs, just changes universal pulley out. When needs will protect stable the placing subaerial of frame, with universal pulley turn back the standing groove in, save space on the one hand, on the other hand, the protection frame can not slide everywhere, causes danger.

The utility model discloses further set up to: the base is provided with a cross groove, and the cross groove is rotatably connected with four stabilizer bars.

Through adopting above-mentioned technical scheme, the base of protection frame lower extreme is not directly fixed subaerial, and inconvenient installation is dismantled on the one hand, and on the other hand can destroy the bottom surface structure, causes the loss. So for making the protection frame can be more steady stand at elevator sedan-chair door both ends, set up four stabilizer bars at the base lower extreme, when the stabilizer bar stretches out, the area of contact on protection frame and ground is by greatly increased for the protection frame is when using, and when maintenance personal walked, can be steady stand subaerial, can not rock or fall on the ground. Meanwhile, the stabilizer bar is rotatably connected in the cross groove and can only rotate out when in use, and when the protection frame is not used, the stabilizer bar is contracted in the cross groove, so that the space is saved, and the transportation is convenient.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the torsional spring for the sleeve pipe drives the guard plate and can rotate back again after taking place to rotate. The method is simple and convenient without manual operation;

2. the sliding height of the sliding rod is adjusted to meet different requirements, and the fixing mode is simple, efficient and not easy to damage;

3. the safety of protection frame has been guaranteed to the stabilizer bar on the base, and universal pulley makes whole operation process lighter even more.

Drawings

FIG. 1 is a schematic view of a position relationship of an elevator car door safety device showing that the height of a protective frame is lowest and the protective frame is closed;

FIG. 2 is a schematic view of the appearance structure and the position relationship of the protection rack, showing that the protection rack is at the highest height and is in an open state;

FIG. 3 is a schematic view of the assembled relationship of the fender and the sleeve;

FIG. 4 is a schematic view showing the positional relationship between the sleeve and the torsion spring;

FIG. 5 is a schematic diagram showing the positional relationship among the limiting rod, the limiting plate and the torsion spring;

FIG. 6 is a schematic view of the appearance structure of the slide rod;

FIG. 7 is a schematic view of the external structure of the connecting rod;

FIG. 8 is a schematic view of the exterior structure of the base, showing the threaded holes at the upper end of the base;

FIG. 9 is a schematic view of the external structure of the base, showing the positions of the cross slots and the placement slots at the lower end of the base;

FIG. 10 is a schematic view showing the assembly of the base, stabilizer bar and universal pulley.

In the figure: 1. an elevator car door; 2. a protective frame; 3. a base; 4. a connecting rod; 5. a slide bar; 6. a limiting rod; 7. a sleeve; 8. a protection plate; 9. inserting strips; 10. inserting grooves; 11. a limiting plate; 12. a torsion spring; 13. positioning a groove; 14. a chute; 15. a baffle plate; 16. a sliding hole; 17. a limiting block; 18. a bean jumping spring; 19. a limiting groove; 20. a threaded hole; 21. a cross slot; 22. mounting holes; 23. a placement groove; 24. a universal pulley; 25. a stabilizer bar.

Detailed Description

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

The utility model provides an elevator sedan-chair door safety device, sets up the fender bracket 2 at 1 both ends of elevator sedan-chair door including elevator sedan-chair door 1 and symmetry, and fender bracket 2 includes base 3, through bolted connection at the connecting rod 4 of 3 upper ends of base, slides and pegs graft slide bar 5 in connecting rod 4, the gag lever post 6 of fixed connection in slide bar 5 upper end, rotate sleeve pipe 7 and the guard plate 8 of one end peg graft in sleeve pipe 7 that cup joints on gag lever post 6.

The protection plate 8 is a rectangular long plate, one end of the protection plate is integrally provided with a cylindrical inserting strip 9, the inserting strip 9 is inserted into a cylindrical inserting groove 10 formed in the sleeve 7, the diameter of the inserting strip 9 is equal to that of the inserting groove 10, and the height of the protection plate 8 is also equal to that of the sleeve 7. When the inserting bar 9 at one end of the protection plate 8 is inserted into the inserting groove 10 on the sleeve 7 in an interference manner, the protection plate 8 can rotate horizontally along with the sleeve 7.

The sleeve 7 is sleeved on the limiting rod 6, and the height of the sleeve 7 is smaller than that of the limiting rod 6. Limiting plates 11 are respectively connected to the upper end and the lower end of the limiting rod 6 through bolts, two torsional springs 12 are sleeved between the two limiting plates 11 at the upper end and the lower end of the limiting rod 6, one ends of the torsional springs 12 are abutted to the inner end faces of the limiting plates 11, the other ends of the torsional springs are abutted to the inner walls of the sleeves 7, and positioning grooves 13 for interference insertion of the torsional springs 12 are formed in the inner end faces of the limiting plates 11 and the inner walls of the sleeves 7 to. So that when the sleeve 7 is rotated, the torsion spring 12 also has a tendency to rotate. But one end is positioned at the end surface of the stopper plate 11, so that the torsion spring 12 is deformed. When the sleeve 7 stops rotating, the torsion spring 12 recovers deformation, driving the sleeve 7 to rotate back to the original position. When the sleeve 7 rotates, the protection plate 8 rotates together, and thus the protection plate 8 of the automatic switch is obtained.

The limiting rod 6 is fixed at the upper end of the sliding rod 5 through a limiting plate 11 at the lower end, and the sliding rod 5 is inserted on the connecting rod 4. The side of the sliding rod 5 is provided with a semi-cylindrical sliding chute 14, the lower end of the sliding rod is integrally provided with a baffle plate 15, a sliding hole 16 for the sliding and inserting of the sliding rod 5 is formed in the connecting rod 4, and a semi-cylindrical limiting block 17 is arranged at the upper end of the sliding rod. When the sliding rod 5 is inserted in the sliding hole 16 of the connecting rod 4 in a sliding manner, the limiting block 17 is inserted in the sliding groove 14 in a sliding manner, and the maximum sliding distance is from the sliding rod 5 completely inserted in the connecting rod 4 to the upper end face of the baffle 15 abutting against the lower end face of the limiting block 17. Meanwhile, a bean jumping spring 18 is arranged in the sliding rod 5, one end of the bean jumping spring 18 penetrates through the outer end face of the sliding rod 5, and a plurality of hemispherical limiting grooves 19 for the bean jumping spring 18 to be connected in an inserting mode are formed in the connecting rod 4 in the same vertical direction of the inner wall. The bean jumping spring 18 is inserted in the limiting groove 19 to position the sliding rod 5, so that the protection frame 2 with different heights is obtained.

The upper end face of the base 3 is provided with a threaded hole 20, and the connecting rod 4 is connected to the base 3 through a bolt. So that when the protective frame 2 is assembled, the sliding rod 5 is inserted from the lower part of the connecting rod 4, then the connecting rod 4 is fixed on the base 3, and finally other parts are installed. The cross groove 21 that is the cross is seted up to base 3 lower terminal surface, has seted up a plurality of mounting holes 22 in the cross groove 21, and the mounting hole 22 internal rotation is connected with stabilizer bar 25, and the common rotation is connected with 4 stabilizer bars 25 and is located all around in the cross groove 21. So that when the protection frame 2 is not used, the stabilizer bar 25 is rotatably stored in the cross groove 21, and when the protection frame 2 is used, the stabilizer bar 25 is rotated out from the cross groove 21 to fix the protection frame 2. Standing groove 23 has still been seted up to terminal surface under the base 3, and the standing groove 23 internal rotation is connected with universal pulley 24, when needs move the position with protection frame 2, can rotate out universal pulley 24, then promotes protection frame 2 and slides the assigned position, places universal pulley 24 is folding in standing groove 23 again.

The structure of the universal pulley is prior art and is not explained here.

The implementation principle of the embodiment is as follows:

the protection frame 2 is pushed to two ends of the elevator car door 1 through the universal pulleys 24 on the base 3, the universal pulleys 24 are folded and taken into the placing grooves 23, the stabilizer bars 25 are rotated out from the cross grooves 21, the protection frame 2 is stably erected at two ends of the elevator car door 1, and the height of the protection frame 2 is adjusted according to the height of an elevator or the desired height. The sliding rod 5 slides upwards to the jumping bean spring 18 to be inserted into the limiting groove 19, so that the sliding rod 5 is fixed at the height, when a maintenance worker enters or exits from one end, the protection plate 8 rotates horizontally, and then rotates back to the original position together with the sleeve 7 under the action of the torsion spring 12.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an elevator sedan-chair door safety device, includes that elevator sedan-chair door (1) and symmetry set up in protection frame (2) at elevator sedan-chair door (1) both ends, its characterized in that:

the protective frame (2) comprises a base (3), a connecting rod (4) fixedly connected to the upper end of the base (3), a sliding rod (5) inserted into the upper end of the connecting rod (4), a limiting rod (6) fixedly connected to the upper end of the sliding rod (5), a sleeve (7) rotatably sleeved on the limiting rod (6), and a protective plate (8) fixedly connected to the outer end of the sleeve (7), wherein limiting plates (11) are arranged at two ends of the limiting rod (6);

two ends of the limiting rod (6) are sleeved with torsion springs (12) and positioned at one end of the limiting plate (11);

the other end of the torsion spring (12) is positioned on the inner wall of the sleeve (7).

2. The elevator car door safety device of claim 1, wherein: and the inner wall of the sleeve (7) and one end of the limiting plate (11) are provided with positioning grooves (13) for interference insertion of the torsion spring (12).

3. The elevator car door safety device of claim 2, wherein: the protective plate is characterized in that the sleeve (7) is provided with a cylindrical insertion groove (10), and one end of the protective plate (8) is provided with an insertion strip (9) which can be inserted into the insertion groove (10) in an interference manner.

4. The elevator car door safety device of claim 3, wherein: the confession has been seted up in connecting rod (4) sliding hole (16) that supplies sliding rod (5) to peg graft and slide, connecting rod (4) sliding hole (16) inner wall upper end is provided with stopper (17), sliding rod (5) lower extreme an organic whole is provided with baffle (15), and the confession has been seted up to the side sliding groove (14) that stopper (17) slided.

5. The elevator car door safety device of claim 4, wherein: a bean jumping spring (18) is arranged in the sliding rod (5), and a plurality of hemispherical limiting grooves (19) for the bean jumping spring (18) to be spliced are formed in the inner wall of the connecting rod (4).

6. The elevator car door safety device of claim 5, wherein: the upper end of the base (3) is provided with a threaded hole (20), and the connecting rod (4) is connected with the base (3) through a bolt.

7. The elevator car door safety device of claim 6, wherein: a placing groove (23) is formed in the lower end of the base (3), and a universal pulley (24) is arranged in the placing groove (23) in a folding mode.

8. The elevator car door safety device of claim 7, wherein: the cross-shaped stabilizer is characterized in that a cross-shaped cross groove (21) is formed in the base (3), and four stabilizer bars (25) are rotationally connected in the cross groove (21).