CN207713237U - A kind of chain breakage protection device - Google Patents
A kind of chain breakage protection device Download PDFInfo
- Publication number
- CN207713237U CN207713237U CN201721546488.3U CN201721546488U CN207713237U CN 207713237 U CN207713237 U CN 207713237U CN 201721546488 U CN201721546488 U CN 201721546488U CN 207713237 U CN207713237 U CN 207713237U
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- CN
- China
- Prior art keywords
- bending part
- protection device
- mounting portion
- breakage protection
- chain breakage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of chain breakage protection devices, including the first bending part, the second bending part and touch switch that are rotatably connected on first bending part upper end；The second mounting portion that first bending part includes the first mounting portion being connect with second bending part and is installed on first bending part on elevator truss；Second bending part includes the rotation section of lever, the touch part for being in contact or detaching with the touch switch and the connection lever and touch part, and the rotation section is rotatably connected on first mounting portion.The chain breakage protection device of the utility model is mutually rotatably assorted by the first bending part and the second bending part, can be triggered touch switch in time in chain rupture, is quick on the draw, and service life is long, and is avoided that maloperation, and security performance is high.
Description
Technical field
The utility model is related to technical field of elevator manufacturing, and in particular to a kind of chain breakage protection device.
Background technology
As the rapid development of social economy and the continuous improvement of lives of the people level, elevator have become in daily life
One indispensable part.
It is local to be widely used in shopping mall market, airport and railway station etc. for escalator and moving sidewalk at present, from
Dynamic staircase or moving sidewalk after long-play, drive chain may because of service wear, unexpected fracture or excessively occurs
Elongation, to cause very serious safety accident, influences passenger safety.
Invention content
In view of this, in order to overcome the deficiencies of existing technologies, the purpose of this utility model is to provide a kind of chain rupture protection dress
It sets, is quick on the draw, service life is long, and is avoided that maloperation, and security performance is high.
In order to achieve the above object, the utility model uses technical solution below：
A kind of chain breakage protection device, including the first bending part, it is rotatably connected on the second of first bending part upper end
Bending part and touch switch；First bending part includes the first mounting portion being connect with second bending part and by institute
State the second mounting portion that the first bending part is installed on elevator truss；Second bending part includes lever, is opened with the shake-up
The touch part for being in contact or detaching and the rotation section of the connection lever and touch part are closed, the rotation section is rotatably connected on institute
It states on the first mounting portion.
Preferably, the first mounting hole for installing the touch switch is offered on first mounting portion；Second peace
The second mounting hole that first bending part is installed on to elevator truss corresponding position is offered in dress portion.
Preferably, first mounting portion is parallel with the extending direction of the second mounting portion, first mounting portion
Bottom end is connect with the top of second mounting portion by interconnecting piece.
Preferably, have towards the protrusion of touch switch protrusion on second mounting portion.The effect of protrusion is to use
In blocking touch part, prevents the touch part under faint vibration from can also rotate, cause elevator to be stopped, cause danger.
Preferably, the both sides of the lever width direction bend downward to form blocking portion.The advantages of being arranged in this way one is to increase
Add bar intensity, ensures that it will not be deformed easily；Second is that contact area is met in increasing chain rupture, make chain breakage protection device more movability
Make.
It is further preferred that the obtuse angle formed between the blocking portion and the lever lower surface is 90-160 °.
It is further preferred that the obtuse angle formed between the blocking portion and the lever lower surface is 150 °.
It is further preferred that the width after the lever bending is more than the pitch width of elevator drive chain, to ensure chain rupture
Drive chain afterwards can get to lever.
Preferably, the width of the rotation section and touch part is less than the width of the lever.The width of rotation section is small can be with
Reduce the contact area between the second bending part and the first bending part, reduces friction, to avoid noise and abrasion.
Preferably, first mounting hole and/or the second mounting hole are waist round hole, and the setting of waist round hole makes the first folding
Comer pieces and the installation site of touch switch can be adjusted according to field condition.
Compared with prior art, the chain breakage protection device of the utility model is beneficial in that：The utility model breaks
Chain protective device is mutually rotatably assorted by the first bending part and the second bending part, and can trigger shake-up in time in chain rupture opens
It closes, is quick on the draw, service life is long, and is avoided that maloperation, and security performance is high.
Description of the drawings
Fig. 1 is the scheme of installation of the utility model chain breakage protection device；
Fig. 2 is the side view of the utility model chain breakage protection device；
Fig. 3 is the scheme of installation of the first bending part and touch switch in the utility model chain breakage protection device；
Fig. 4 is the front view of the first bending part in the utility model chain breakage protection device；
Fig. 5 is the side view of the first bending part in the utility model chain breakage protection device；
Fig. 6 is the front view before the second bending part bending in the utility model chain breakage protection device；
Fig. 7 is the front view after the second bending part bending in the utility model chain breakage protection device；
Wherein：First bending part -1, the first mounting portion -11, the second mounting portion -12, interconnecting piece -13, protrusion -14, the first
Mounting hole -15, the second mounting hole -16, the second bending part -2, lever -21, rotation section -22, touch part -23, blocking portion -24 touch
Dynamic switch -3, contact -31, elevator truss -4, drive chain -5, connecting hole -6.
Specific implementation mode
The utility model preferred embodiment is described in detail below in conjunction with the accompanying drawings.
Referring to figs. 1 to 7, a kind of chain breakage protection device, including the first bending part 1, it is rotatably connected on 1 upper end of the first bending part
Second bending part 2 and touch switch 3 in portion.It is corresponding on first bending part 1 and the second bending part 2 to offer connecting hole 6, lead to
Crossing the installation rotating member such as bolt and nut component in connecting hole 6 makes the first bending part 1 and the second bending part 2 be rotatably connected on one
It rises.Touch switch 3 includes and 23 matched contact 31 of touch part.
First bending part 1 includes the first mounting portion 11 being connect with the second bending part 2 and is installed on the first bending part 1
The second mounting portion 12 on elevator truss 4.
The first mounting hole 15 of installation touch switch 3 is offered on first mounting portion 11；It is offered on second mounting portion 12
First bending part 1 is installed on to the second mounting hole 16 of 4 corresponding position of elevator truss.First mounting hole 15 and in the present embodiment
Two mounting holes 16 are waist round hole, the setting of waist round hole allow the installation site of the first bending part 1 and touch switch 3 according to
Field condition is adjusted.
The extending direction of first mounting portion 11 and the second mounting portion 12 is mutually parallel, the bottom end and second of the first mounting portion 11
The top of mounting portion 12 is connected by interconnecting piece 13.Interconnecting piece 13 is installed for vertical first mounting portion 11 or second in the present embodiment
The extending direction in portion 12.
Have towards the protrusion 14 of touch switch protrusion on second mounting portion 12.The effect of protrusion 14 is touched for stopping
Portion 23 prevents the touch part 23 under faint vibration from can also rotate, elevator is caused to be stopped, and it is dangerous that danger occurs.Protrusion
The degree of 14 protrusions can be adjusted according to actual demand.
The touch part 23 and company that second bending part 2 includes lever 21, is in contact or detaches with the contact 31 of touch switch 3
The rotation section 22 of lever 21 and touch part 23 is connect, rotation section 22 is rotatably connected on the first mounting portion 11.Touch part 23 and rotation
Portion 22 forms L-type.
The both sides of 21 width direction of lever bend downward to form blocking portion 24.The advantages of being arranged in this way one is to increase bar 21
Intensity ensures that it will not be deformed easily；Second is that the drive chain 5 increased after chain rupture meets contact area, make chain rupture protection dress
It sets and is more easy to act.The obtuse angle formed between 21 lower surface of blocking portion 24 and lever is 90-160 °, in the present embodiment blocking portion 24 with
The obtuse angle formed between 21 lower surface of lever is 150 °.
Width after 21 bending of lever is more than the pitch width of elevator drive chain 5, to ensure the drive chain after chain rupture 5
Lever 21 can be got to.The width of normal driving chain 5 is 32mm, and the width in the present embodiment after 21 bending of lever is 45mm.
The width of rotation section 22 is less than the width of lever 21.The width of rotation section 22 is small can to reduce 2 He of the second bending part
Contact area between first bending part 1 reduces friction, to avoid noise and abrasion.The width of touch part 23 is less than rotation
The width in portion 22, when chain rupture occurs, after drive chain 5 encounters lever 21, lever 21 drives touch part 23 that can rotate in time,
The width of touch part 23 is small to be conducive to it and leaves contact 31, timely stop elevator in time.
The course of work of the chain breakage protection device of the present embodiment described briefly below：
In elevator normal operation, the second bending part 2 does not rotate, and touch part 23 resists the contact 31 of touch switch 3.
When chain rupture occurs, drive chain 5 is got on baffle 21, and baffle 21 drives touch part 23 to rotate, and contact 31 is left in touch part 23,
Contact 31 pops up, and touch switch 3 acts on, and elevator is out of service.After elevator reparing is good, need chain breakage protection device is manual
It resets, could continue to work normally, maloperation is avoided to cause danger.
In above example, the first mounting hole 15, the length and width of waist round hole of the second mounting hole 16, protrusion 14 it is big
Degree small and outstanding, the size of touch part 23, lever 21 width can be configured according to actual needs, it is disconnected to control
The precision of chain protective device.
The chain breakage protection device of the utility model is mutually rotatably assorted by the first bending part and the second bending part, disconnected
Touch switch can be triggered when chain in time, is quick on the draw, service life is long, and is avoided that maloperation, and security performance is high.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this,
It is all according to equivalent change or modification made by the spirit of the present invention essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of chain breakage protection device, it is characterised in that：Including the first bending part, it is rotatably connected on first bending part upper end
Second bending part and touch switch in portion；First bending part includes the first mounting portion being connect with second bending part
And first bending part is installed on to the second mounting portion on elevator truss；Second bending part includes lever and institute
State the rotation section of touch part and the connection lever and touch part that touch switch is in contact or detaches, the rotation section rotation
It is connected on first mounting portion.
2. a kind of chain breakage protection device according to claim 1, it is characterised in that：Peace is offered on first mounting portion
Fill the first mounting hole of the touch switch；It is offered on second mounting portion and first bending part is installed on the electricity
Second mounting hole of terraced truss corresponding position.
3. a kind of chain breakage protection device according to claim 1, it is characterised in that：First mounting portion and described second
The extending direction of mounting portion is parallel, and the bottom end of first mounting portion and the top of second mounting portion are connected by interconnecting piece
It connects.
4. a kind of chain breakage protection device according to claim 1, it is characterised in that：There is direction on second mounting portion
The protrusion of the touch switch protrusion.
5. a kind of chain breakage protection device according to claim 1, it is characterised in that：The two of the lever width direction are lateral
Under be bent to form blocking portion.
6. a kind of chain breakage protection device according to claim 5, it is characterised in that：The blocking portion and the lever following table
The obtuse angle formed between face is 90-160 °.
7. a kind of chain breakage protection device according to claim 6, it is characterised in that：The blocking portion and the lever following table
The obtuse angle formed between face is 150 °.
8. a kind of chain breakage protection device according to claim 5, it is characterised in that：Width after the lever bending is more than
The pitch width of elevator drive chain.
9. a kind of chain breakage protection device according to claim 1, it is characterised in that：The width of the rotation section and touch part
Less than the width of the lever.
10. a kind of chain breakage protection device according to claim 2, it is characterised in that：First mounting hole and/or second
Mounting hole is waist round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721546488.3U CN207713237U (en) | 2017-11-17 | 2017-11-17 | A kind of chain breakage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721546488.3U CN207713237U (en) | 2017-11-17 | 2017-11-17 | A kind of chain breakage protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207713237U true CN207713237U (en) | 2018-08-10 |
Family
ID=63061618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721546488.3U Active CN207713237U (en) | 2017-11-17 | 2017-11-17 | A kind of chain breakage protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207713237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455611A (en) * | 2018-12-14 | 2019-03-12 | 苏州江南嘉捷电梯有限公司 | Escalator or moving sidewalk handrails drive chain chain breakage protection device |
-
2017
- 2017-11-17 CN CN201721546488.3U patent/CN207713237U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455611A (en) * | 2018-12-14 | 2019-03-12 | 苏州江南嘉捷电梯有限公司 | Escalator or moving sidewalk handrails drive chain chain breakage protection device |
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| GR01 | Patent grant |