CN207566696U - A kind of Weight type elevator door self-closing device - Google Patents
A kind of Weight type elevator door self-closing device Download PDFInfo
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- CN207566696U CN207566696U CN201721231021.XU CN201721231021U CN207566696U CN 207566696 U CN207566696 U CN 207566696U CN 201721231021 U CN201721231021 U CN 201721231021U CN 207566696 U CN207566696 U CN 207566696U
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- rope
- closing device
- door
- elevator door
- self
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Abstract
The utility model is related to elevator technology fields, specifically disclose a kind of Weight type elevator door self-closing device, include：The left-hand door hanging plate and right door strap slided on elevator door head；Link the linkage mechanism of the left-hand door hanging plate and right door strap；Rope sheave is arranged on the right door strap；Fixed block is arranged on the left-hand door hanging plate；Connecting rope, one end are connect with the fixed block, and the other end is connect with weight；The connecting rope is threaded through on the rope sheave；The angle of the connecting rope of the rope sheave both sides is less than 120 degree.The Weight type elevator door self-closing device of the utility model, it is simple and reasonable, the self-closing power of elevator door can be improved.
Description
Technical field
The utility model is related to elevator technology field, a kind of particularly Weight type elevator door self-closing device.
Background technology
With the fast development of society, the quantity of skyscraper is skyrocketed through, elevator have become for people's lives in can not or
A scarce part.But with the increase of elevator quantity, the security reliability of elevator has also obtained the concern of society.According to statistics,
The ratio for causing elevator that accident occurs due to door system problem is very fearful, and up to 80% or so.Wherein, can layer door normally certainly
The safety closed to elevator is most important.Layer door self-closing device is one of elevator car door system safety guarantee, and effect is to make car not
Retaining layer door closed state, prevents personnel from crashing into hoistway when resting in the stop.Layer door self-closing device is divided into spring and weight
Formula.For Weight type layer door self-closing device for spring self-closing device, the size of self-closing power will not be with the water of layer door
It smoothly moves and changes, self-closing power is constant, automatically controlled convenient for elevator cage door door machine, and self-closing power smaller, more energy saving.
But Weight type layer door self-closing device is due to its self-closing power smaller, for the glass door and fire resistant doorsets of quality bigger,
The self-closing power condition of layer door can only be met by being continuously increased the size of weight.The continuous improvement of weight weight so that cost is continuous
Increase, while can also increase the risk that wire cable rupture is caused since weight is overweight so that rope service-life greatly shortens.Separately
Outside, weight it is overweight can virtually increase to fall injure the risk of people by a crashing object.
Utility model content
The purpose of this utility model is to provide a kind of Weight type elevator door self-closing device, simple and reasonable, Neng Gouti
The high self-closing power of elevator door.
To achieve these goals, the technical solution of the utility model is：
A kind of Weight type elevator door self-closing device, includes：The left-hand door hanging plate and You Men slided on elevator door head
Hanging plate；Link the linkage mechanism of the left-hand door hanging plate and right door strap；Rope sheave is arranged on the right door strap；Fixed block,
It is arranged on the left-hand door hanging plate；Connecting rope, one end are connect with the fixed block, and the other end is connect with weight；The company
Splicing is threaded through on the rope sheave；The angle of the connecting rope of the rope sheave both sides is less than 120 degree.In the connecting rope everywhere
Stress is equal, and the connecting rope is threaded through on the rope sheave and is connect with weight, everywhere by weight weight in the connecting rope
The pulling force effect that power generates, the rope sheave is then by the active force for wearing the connecting rope above, the rope sheave both sides
There is the connecting rope to act on, therefore the active force that the rope sheave is subject to is the resultant force that rope tension is connected described in its both sides, this is with joint efforts
The power in the connecting rope is applied to more than weight, and the rope sheave is arranged on the right door strap namely weight is to described
The active force of right door strap is improved.
As a kind of specific embodiment, which has further included to guide the connection
The guide rope device of rope.The guide rope device guides the connecting rope, the connecting rope is directed to rational region, convenient for weight
Up and down motion expansion.
Further, the guide rope device is arranged on elevator shaft wall.The length of the connecting rope is longer, due to described
Guide rope device is arranged on elevator shaft wall, can guide the connecting rope far from elevator door head so that the connecting rope tool
There are more extending spaces, so as to discharge the stroke of weight.
As a kind of specific embodiment, the guide rope device includes：Directive wheel and prevent what the connecting rope from jumping out
Anti-bouncing device.The guiding Wheel-guiding connecting rope, the anti-bouncing device prevent the connecting rope from jumping out, as a result, the guide rope device
It can stablize and safely guide the connecting rope.
As a kind of specific embodiment, the linkage mechanism includes：Left chain wheel is arranged on the left-hand door hanging plate
Left side；Right pulley is arranged on the right side of the right door strap；Left fixing bracket is arranged on the left-hand door hanging plate；The right side is solid
Fixed rack is arranged on the right door strap；Linkage rope, around be located on the left and right pulley and with the left and right fixation
Stent connects.Such linkage structure, it is simple in structure firm, and occupied space is few, can realize the left and right door strap well
Linkage.
As a kind of specific embodiment, which further includes the conduit for accommodating weight.
Weight is contained in the conduit, is capable of the direction of management and control weight up and down motion, weight is avoided to wave and collides other portions of elevator
Position.
Further, the bottom of the conduit is connected with first baffle.The first baffle can prevent weight from described
The bottom of conduit falls into hoistway.
Further, which has further included second baffle；The second baffle is arranged on
The surface of the conduit and the guide rope device.The second baffle can block the dust debris in hoistway, prevent dust
Sundries is fallen on the guide rope device and fallen in the conduit.
As a kind of specific embodiment, the angle of the connecting rope of the rope sheave both sides is 0 degree.The rope sheave both sides
The angle of the connecting rope be 0 degree, be the connecting rope at this point, the rope sheave is maximum by the active force of the connecting rope
By twice of weight pulling force, the self-closing power of layer door can be improved to the maximum extent.
In order to better understand and implement, the utility model is described in detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is a kind of structure diagram of Weight type elevator door self-closing device of the utility model embodiment.
Specific embodiment
Referring to Fig. 1, a kind of Weight type elevator door self-closing device, is included in the left-hand door slided on elevator door head 8 and hangs
Plate 1 and right door strap 2；The linkage mechanism 4 of linkage left-hand door hanging plate 1 and right door strap 2；Rope sheave 21 is arranged on right door strap 2
On；Fixed block 11 is arranged on left-hand door hanging plate 1；Connecting rope 3, one end are connect with fixed block 11, and the other end connects with weight 7
It connects；Connecting rope 3 is threaded through on rope sheave 21；The angle of the connecting rope 3 of 21 both sides of rope sheave is less than 120 degree.Rope sheave 21 is fixed on right door
On hanging plate 2, connecting rope 3 and then exerts a force to rope sheave 21,21 both sides of rope sheave have connecting rope 3 to apply by the pulling force effect of weight 7
Power, simultaneously because stress is equal everywhere in connecting rope 3, the active force that rope sheave 21 is subject to is the resultant force of its 3 pulling force of both sides connecting rope,
This is more than the pulling force that weight 7 is applied to connecting rope 3 with joint efforts, thus can improve the self-closing power of elevator door.Weight type electricity
Terraced layer door self-closing device utilizes slip of the right door strap 2 on elevator door head 8 so that right door strap 2 and the rope being fixed thereon
The effect of whole generation of wheel 2 is similar to movable pulley, saves strength.Preferably, it is hung in order to which the active force of weight 7 is applied to right door as possible
On plate 2, connecting rope 3 should ensure that the connecting rope 3 of 21 both sides of rope sheave is horizontal and angle is 0 degree, Ye Jibao when being worn on rope sheave 21
The connecting rope 3 of 21 both sides of rope sheave is demonstrate,proved in parastate, the reasonable theoretical that rope sheave 21 is exerted a force by the connecting rope 21 of its both sides at this time
Upper is twice of 7 gravity of weight, is most perfect condition, can improve the self-closing power of elevator door to the maximum extent.
Wherein, linkage mechanism 4 includes：Left chain wheel 41 is arranged on the left side of left-hand door hanging plate 1；Right pulley 42, setting
On the right side of right door strap 2；Left fixing bracket 12, is arranged on left-hand door hanging plate 1；Right fixing bracket 22, is arranged on right door
On hanging plate 2；Linkage rope 43, around being located on left and right pulley 41,42 and connect with left and right fixing bracket 12,22.Linkage mechanism 4
It is simple and reasonable so that left and right door strap 1,2 can link, and smoothly realize the self-closing of elevator door.
In order to guide connecting rope 3, weight 7 is enable to move up and down in suitable region, the Weight type elevator door
Self-closing device further includes to guide the guide rope device 5 of connecting rope 3.Preferably, guide rope device 5 is arranged on elevator shaft wall
On.Guide rope device 5 can guide connecting rope 3 far from elevator door head 8 as a result, so as to discharge the stroke of weight 7.Compared in electricity
The guide frame of take-up is provided on terraced door head 8, the guide rope device 5 is simple and reasonable, of low cost, convenient for peace
Dress.
Specifically, guide rope device 5 includes：Directive wheel 51 and prevent the anti-bouncing device 52 that connecting rope 3 is jumped out.Guide rope device
5 overall structures are stablized, and can prevent connecting rope 3 from jumping out, improve the safety and reliability of the guide rope device 5.
Weight 7 moves up and down in elevator shaft, is connected by connecting rope 3, can be swung left and right, easily with other portions of elevator
Part collides, so the Weight type elevator door self-closing device is additionally provided with conduit 6, weight 7 is arranged in conduit 6, by conduit 6
Limitation and the up and down motion of guiding weight 7.Certainly, during the extreme case that connecting rope 3 disconnects in order to prevent, weight 7 falls into elevator
Hoistway is also associated with baffle 610 in the bottom of conduit 6, can be disconnected when weight 7 falls in connecting rope 3 and block weight 7, avoided
Weight 7 falls into elevator shaft and injures personnel or article by a crashing object.
Often sundries and dust etc. are more in elevator shaft, they easily fall into conduit 6 and fall on directive wheel 51, can
6 internal congestion of conduit can be caused and influence smooth movement of the connecting rope 3 on directive wheel 51.In order to solve the problems, such as this, the weight
Formula elevator door self-closing device is additionally provided with L-shaped baffle 9, is fixed on well enclosure and is located at the upper of conduit 6 and guide rope device 5
Side is fallen on preventing impurities and dust from falling into the neutralization of conduit 6 on directive wheel 51.Preferably, for the ease of installation, guide rope device 5 can
To be installed together with baffle 9.First baffle 9 is mounted on elevator shaft wall, then guide rope device 5 is mounted on baffle 9.
The utility model is not limited to the above embodiment, if the various changes or deformation to the utility model do not take off
Spirit and scope from the utility model, if these changes and deformation belong to the claims and equivalents of the utility model
Within the scope of, then the utility model is also intended to comprising these changes and deformation.
Claims (9)
1. a kind of Weight type elevator door self-closing device, which is characterized in that including：
The left-hand door hanging plate and right door strap slided on elevator door head；
Link the linkage mechanism of the left-hand door hanging plate and right door strap；
Rope sheave is arranged on the right door strap；
Fixed block is arranged on the left-hand door hanging plate；
Connecting rope, one end are connect with the fixed block, and the other end is connect with weight；
The connecting rope is threaded through on the rope sheave；
The angle of the connecting rope of the rope sheave both sides is less than 120 degree.
2. Weight type elevator door self-closing device according to claim 1, it is characterised in that：
The Weight type elevator door self-closing device further includes to guide the guide rope device of the connecting rope.
3. Weight type elevator door self-closing device according to claim 2, it is characterised in that：
The guide rope device is arranged on elevator shaft wall.
4. the Weight type elevator door self-closing device according to Claims 2 or 3, it is characterised in that：
The guide rope device includes：Directive wheel and prevent the anti-bouncing device that the connecting rope is jumped out.
5. Weight type elevator door self-closing device according to claim 1, it is characterised in that：
The linkage mechanism includes：
Left chain wheel is arranged on the left side of the left-hand door hanging plate；
Right pulley is arranged on the right side of the right door strap；
Left fixing bracket is arranged on the left-hand door hanging plate；
Right fixing bracket is arranged on the right door strap；
Linkage rope, around being located on the left and right pulley and connect with the left and right fixing bracket.
6. Weight type elevator door self-closing device according to claim 2, it is characterised in that：
The Weight type elevator door self-closing device further includes the conduit for accommodating weight.
7. Weight type elevator door self-closing device according to claim 6, it is characterised in that：
The bottom of the conduit is connected with first baffle.
8. the Weight type elevator door self-closing device described according to claim 6 or 7, it is characterised in that：
The Weight type elevator door self-closing device has further included second baffle；
The second baffle is arranged on the surface of the conduit and the guide rope device.
9. Weight type elevator door self-closing device according to claim 1, it is characterised in that
The angle of the connecting rope of the rope sheave both sides is 0 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721231021.XU CN207566696U (en) | 2017-09-22 | 2017-09-22 | A kind of Weight type elevator door self-closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721231021.XU CN207566696U (en) | 2017-09-22 | 2017-09-22 | A kind of Weight type elevator door self-closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207566696U true CN207566696U (en) | 2018-07-03 |
Family
ID=62694551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721231021.XU Active CN207566696U (en) | 2017-09-22 | 2017-09-22 | A kind of Weight type elevator door self-closing device |
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| Country | Link |
|---|---|
| CN (1) | CN207566696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693992A (en) * | 2018-11-29 | 2019-04-30 | 日立电梯（中国）有限公司 | A kind of electromagnetic type layer door self-closing system and its control method |
-
2017
- 2017-09-22 CN CN201721231021.XU patent/CN207566696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693992A (en) * | 2018-11-29 | 2019-04-30 | 日立电梯（中国）有限公司 | A kind of electromagnetic type layer door self-closing system and its control method |
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