CN207144789U - A kind of safety shut-down mechanism for rolling screen door - Google Patents
A kind of safety shut-down mechanism for rolling screen door Download PDFInfo
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- CN207144789U CN207144789U CN201721143486.XU CN201721143486U CN207144789U CN 207144789 U CN207144789 U CN 207144789U CN 201721143486 U CN201721143486 U CN 201721143486U CN 207144789 U CN207144789 U CN 207144789U
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- screen door
- limited block
- rolling
- rolling screen
- stopper slot
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Abstract
The utility model discloses a kind of safety shut-down mechanism for rolling screen door, aim to solve the problem that rolling screen door to hinder for some reason and occur to carry out it when door body is fallen the technical problem of skidding, including wallboard, end cap, dial car in center, rolling assembly and limit assembly, the stopper slot opened up on the limited block and end cap outer circumference surface that limit assembly includes being fixedly installed on wallboard, limited block is arranged in stopper slot, during work, dial car and drive rolling assembly in center, rolling assembly drives end cap to rotate and carries out one-level brake, stopper slot synchronizes rotation with end cap simultaneously, the front end of stopper slot contradicts to coordinate with limited block carries out two level brake work, realize and safety arrestment is carried out to rolling screen door, it is and simple in construction.
Description
Technical field
It the utility model is related to roller shutter door machine manufacturing technology field, specially a kind of safety shut-down machine for rolling screen door
Structure.
Background technology
Common electric rolling door be by motor drive rolling screen door up and down run, this rolling screen door in lifting process,
Power transmissioning element is likely to occur failure, such as failure of brake failure, deceleration device, driving chain fracture, can cause roller shutter
Door body is quickly fallen, and easily causes personal injury or property loss.
As shown in figure 1, if a safety shut-down used in conventional art includes wallboard, end cap, center group car and dry milling
Pearl, by the way that end cap and wallboard friction are set, when rolling screen door, which breaks down, causes roller shutter door body quickly to drop, it is fast that car is dialled at center
Speed rotation, drives Ball Transmission, ball by projection from the rotation slot on end cap enter driving groove when, shock end cap and with moved end
Lid is rotated, and huge frictional force is produced between wallboard and end cap brakes end cap, so that car braking, realization pair are dialled in center
Rolling screen door carries out skidding, effectively prevents accident.But reacted according to applicant, this safety shut-down is in practice
During, it is necessary to which professional, which shows up, carries out the reset adjustment of ox rice screw, to adjust wallboard after work of often once being braked
The use standard that the size of frictional force between end cap is braked again with reaching, but this brake not design two
Secondary brake insurance institution, ensures in the case where frictional force is not enough to braking conditions, and skidding is realized to rolling screen door, to ensure using peace
Entirely.
In addition, a kind of automatically controlled rolling screen door anti-falling safety device is disclosed in Patent No. CN203925256U Chinese patent,
The technical scheme of this patent disclosure is that the frequency of ratchet rotation is measured by sensor, signal is transmitted to control unit, control is single
Member calculates ratchet rotating speed (i.e. rolling screen door working speed), and when calculating rotating speed more than setting numerical value, electromagnet is powered, electromagnetism
The iron core for inhaling iron is pulled, and bumping post is fallen in the presence of center of gravity and stage clip, blocks ratchet gear brake, while cuts off rolling screen door work
Power supply.Ensure the rolling screen door of any control form processed it is out of control rapidly tenesmus occurs when can accurately brake, play in time, can
The safeguard protection effect leaned on；But this art solutions is complicated, and cost is high.
Utility model content
For problem above, the utility model provides a kind of safety shut-down mechanism for rolling screen door, by wallboard
Upper setting limited block, stopper slot is opened up on end cap, the friction between end cap and wallboard can not carry out skidding to rolling screen door
When, contradicted using limited block and stopper slot and coordinate the secondary braking for realizing machinery, solved rolling screen door and hinder for some reason and door body occurs
The technical problem of skidding is carried out to it when falling.
To achieve the above object, the utility model provides following technical scheme：
A kind of safety shut-down mechanism for rolling screen door, including：
Wallboard；
End cap, the end cap, which rotates coaxially, to be arranged in the wallboard, and the inner peripheral surface of its outer circumference surface and the wallboard is close
Contact is set；
Car is dialled at center, and the center dials car and rotates coaxially and is sheathed in the end cap, and the outer end of car is dialled along its week in the center
To being placed equidistant some first mounting grooves；And
Rolling assembly, the rolling assembly are arranged in first mounting groove；During brake, center dials car and drives rolling group
Part, rolling assembly drive end cap to rotate and realize that one-level is braked；
Also include being used for the brake assemblies for realizing two level brake, the brake assemblies include being arranged at the inner circle of the wallboard
Limited block on side face and the stopper slot opened up on the outer circumference surface of the end cap, the limited block are located in stopper slot.
As an improvement, the end cap includes the first step and second step of stepped setting from top to bottom, this second
The second mounting groove is offered between the upper surface of step and first step, the rotation slot of second mounting groove including circular arc and
The driving groove being connected with the rotation slot transition, the projection of arcuate structure is convexly equipped with the second step, and the projection is located at institute
State in driving groove.
As an improvement, the spacing that the center is dialled between the outer circumference surface of car and the outside cambered surface of the driving groove is more than institute
The diameter for stating rolling assembly is set；Spacing between the outside cambered surface of the projection and the outside cambered surface of the driving groove is more than institute
The diameter for stating rolling assembly is set.
As an improvement, the limited block is rectangular configuration, the both ends of the stopper slot are rectangular configuration.
As an improvement, the limited block is circular configuration, the both ends of the stopper slot are arc structure.
As an improvement, the limited block is triangular structure, the both ends of the stopper slot match respectively with the limited block
Set.
As an improvement, it is provided with bolster on the front end surface of the stopper slot or the rear end end face of limited block.
As an improvement, the bolster is elastic buffering pad.
As an improvement, the bolster is spring assembly, the spring assembly includes：
Spring, one end of the spring are fixedly connected with the front end face of the stopper slot；
Buffer board, the buffer board are fixedly connected with the other end of the spring.
As an improvement, the buffer board on the contact surface of the limited block with being fixedly installed elastomeric pad.
The beneficial effects of the utility model are：
(1) the utility model opens up stopper slot by setting limited block on wallboard on end cap, spacing after end cap rotates
Block contradicts with stopper slot to be coordinated, and realizes and mechanical braking is carried out to rolling screen door, and safely and effectively and service life is grown；
(2) the utility model on the rear end end face of the front end surface of stopper slot or limited block by setting quality of rubber materials
Bolster, when limited block and stopper slot are hit when contradicting, bolster plays certain cushioning effect to shock between the two, prevents
Only limited block is excessively deformed because impact is excessive or hits number, and then influences braking effect；
(3) the utility model is in the front end surface of stopper slot by setting spring and buffer board, when limited block with it is spacing
When groove hits conflict, the elastomeric pad on buffer board first contacts with limited block, spring recompression, plays more preferable cushioning effect,
There is more preferable protecting effect to limited block.
In summary, the utility model has the advantages that simple in construction, practicality is good, safety and reliability, service life are long,
Be particularly suitable for use in roller shutter door machine manufacturing technology field.
Brief description of the drawings
Fig. 1 is the safety braking structure schematic diagram in background technology；
Fig. 2 is the utility model positive structure diagram；
Fig. 3 is the utility model wallboard positive structure diagram；
Fig. 4 is the utility model end cap positive structure diagram；
Fig. 5 is the utility model end cap concrete structure schematic diagram；
Fig. 6 is that car positive structure diagram is dialled at the utility model center；
Fig. 7 is the positive structure diagram of the utility model embodiment 3；
Fig. 8 is mplifying structure schematic diagram at A in Fig. 7.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for
Be easy to describe the utility model and simplify to describe, rather than instruction or imply signified equipment or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
Embodiment 1：
As shown in Fig. 2 a kind of safety shut-down mechanism for rolling screen door, including：
Wallboard 1；
End cap 2, the end cap 2, which rotates coaxially, to be arranged in the wallboard 1, the inner peripheral surface of its outer circumference surface and the wallboard 1
It is in close contact and sets；
Car 3 is dialled at center, and the center group car 3, which rotates coaxially, to be sheathed in the end cap 2, and the outer end edge of car 3 is dialled at the center
Its is circumferentially equidistant to be provided with some first mounting grooves 31；And
Rolling assembly 4, the rolling assembly 4 are arranged in first mounting groove 31；During brake, center dials car 3 and drives rolling
Dynamic component 4, rolling assembly 4 drive end cap 2 to rotate and realize that one-level is braked；
Also include being used for the brake assemblies 5 for realizing two level brake, the preferable brake assemblies 5 include being arranged at the wall
Limited block 51 on the inner peripheral surface of plate 1 and the stopper slot 52 opened up on the outer circumference surface of the end cap 2, the limited block 51 are located at
In stopper slot 52.
As a preferred embodiment, the end cap 2 includes the first step 20 of stepped setting from top to bottom
With second step 21, the second mounting groove 211 is offered between the upper surface of the second step 21 and first step 20, second peace
The rotation slot 2111 of tankage 211 including circular arc and the driving groove 2112 being connected with the transition of rotation slot 2111, described the
The projection 2113 of arcuate structure is convexly equipped with two steps 21, the projection 2113 is located in the driving groove 2112.
As a preferred embodiment, the outer circumference surface of car 3 and the outside of the driving groove 2112 are dialled in the center
The diameter that spacing between cambered surface is more than the rolling assembly 4 is set；The outside cambered surface of the projection 2113 and the driving groove
The diameter that spacing between 2112 outside cambered surface is more than the rolling assembly 4 is set.
Herein it should be noted that when rolling screen door failure causes roller shutter door body quickly to drop, it is quick that car 3 is dialled at center
Rotation, rolling assembly 4 is driven to synchronize rotation in the first ball grooves 311, rolling assembly 4 is oriented to from end cap through projection 2113
When rotation slot 2112 on 2 enters driving groove 2113, rolling assembly 4 hits end cap 2 and drives end cap 2 to be rotated, and now rolls
Dynamic component 4 continues to rotate into corresponding first ball grooves 311 herein by the second ball grooves 312, end cap 4 rotate and with
Huge frictional force is produced between wallboard 1 and slows down rolling screen door lapse rate, when stopper slot 52 front end surface and limited block 51 after
When holding end face conflict, end cap 2 is braked, and then center is dialled car 3 and braked, and realizes and carries out mechanical brake braking to rolling screen door.
Further illustrate, braked using mechanical brake, the braking of more other kinds electric brake, simplify the same of structure
When, the reliability used is ensure that, and its applicable environmental condition is wider, it is not necessary to consider various complicated conditions of power supply,
The guarantee user's of maximum possible is safe to use.
As a preferred embodiment, the limited block 51 is rectangular configuration, the both ends of the stopper slot 52 are
Rectangular configuration.
As a preferred embodiment, the limited block 51 is circular configuration, the both ends of the stopper slot 52 are
Arc structure.
As a preferred embodiment, the limited block 51 is triangular structure, the both ends of the stopper slot 52 with
The limited block 51 matches setting respectively.
Herein it should be noted that the shape of limited block 51 is not limited only to rectangle, circle described in the present embodiment
Shape or triangular structure, accordingly, in order to form optimal fit system between limited block 51, the both ends of stopper slot 52 with
The shape of limited block 51 matches.
What deserves to be explained is a kind of safety shut-down mechanism for rolling screen door described in the present embodiment can be used for different shaped
Number rolling screen door in, accordingly, the rolling screen door of corresponding different model, each workpiece described in the present embodiment include wallboard, end cap,
The size that car etc. is dialled at center is also adjusted correspondingly；The position of limited block 51 is preferably to be arranged at the vertical direction with wallboard 1
In 30-60 ° of position；The radian of stopper slot 52 is preferably 30-60 °, and its front end and the angle of the vertical direction of end cap 2 are preferred
For 60-80 °.
Embodiment 2：
Fig. 3 and Fig. 4 is that a kind of a kind of structure of the embodiment 2 of safety shut-down mechanism for rolling screen door of the utility model is shown
It is intended to；As shown in Figure 3 and Figure 4, wherein same as Example 1 or corresponding part use with 1 corresponding reference of embodiment,
For simplicity, hereafter only description and the distinctive points of embodiment 1, the difference of the embodiment 2 and the embodiment 1 shown in Fig. 1
It is：
As a preferred embodiment, in the front end surface of the stopper slot 52 or on the rear end end face of limited block 51
It is provided with bolster 50.
As a preferred embodiment, the bolster 50 is elastic buffering pad 501.
Herein it should be noted that elastic buffering pad 501 is quality of rubber materials, when limited block 51 and stopper slot 52 hit and contradicted
When, the elastic buffering pad 501 of quality of rubber materials plays certain cushioning effect to shock between the two, prevent limited block 51 due to
Impact is excessive or shock number is excessively deformed, and then influences braking effect.
Embodiment 3：
Fig. 7 is a kind of a kind of 3 structural representation of embodiment of safety shut-down mechanism for rolling screen door of the utility model；Such as
Shown in Fig. 7, wherein same as Example 1 or corresponding part use with 1 corresponding reference of embodiment, for simplicity,
Hereafter only description and the distinctive points of embodiment 1, the difference of the embodiment 1 shown in the embodiment 3 Fig. 1 is：
As shown in figure 8, as a preferred embodiment, in the front end surface of the stopper slot 52 or limited block 51
Bolster 50 is provided with the end face of rear end.
As a preferred embodiment, the bolster 50 is spring assembly 502, the spring assembly 502 includes：
Spring 5021, one end of the spring 5021 are fixedly connected with the front end face of the stopper slot 52；
Buffer board 5022, the buffer board 5022 are fixedly connected with the other end of the spring 5021.
As a preferred embodiment, the buffer board 5022 on the contact surface of the limited block 51 with being fixedly installed
Flexible pad 5023.
Herein it should be noted that compared to quality of rubber materials elastic buffering pad 501, spring 5021 have preferably buffering
Effect；When limited block 51 and stopper slot 52, which hit, to be contradicted, the elastomeric pad 5023 on buffer board 5022 first contacts with limited block,
Spring 5021 recompresses, and impact is after the buffering twice of elastomeric pad 5023 and spring 5021, the impact to limited block 51
Power is smaller, serves more preferable protecting effect.
The course of work is as follows：
When rolling screen door, which breaks down, causes roller shutter door body quickly to drop, center is dialled car 3 and quickly rotated, and drives rolling assembly
4 transmissions, when rolling assembly 4 is oriented to out of rotation slot 2112 on end cap 2 into driving groove 2113 through projection 2113, rolling assembly
4 shock end caps 2 simultaneously drive end cap 2 to be rotated, and huge frictional force is produced between wallboard 1 and end cap 4 and slows down rolling screen door tenesmus speed
Degree, when the front end surface of stopper slot 52 contradicts with the rear end end face of limited block 51, end cap 2 is braked, and then center is dialled car 3 and made
It is dynamic, realize and mechanical brake is carried out to rolling screen door.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of safety shut-down mechanism for rolling screen door, including：
Wallboard (1)；
End cap (2), the end cap (2), which rotates coaxially, to be arranged in the wallboard (1), the inner circle of its outer circumference surface and the wallboard (1)
Side face, which is in close contact, to be set；
Car (3) is dialled at center, and the center group car (3), which rotates coaxially, to be sheathed in the end cap (2), and the outer of car (3) is dialled at the center
End circumferentially equidistant is provided with some first mounting grooves (31) along its；And
Rolling assembly (4), the rolling assembly (4) are arranged in first mounting groove (31)；During brake, car (3) band is dialled at center
Dynamic rolling assembly (4), rolling assembly (4) drive end cap (2) to rotate and realize that one-level is braked；
It is characterized in that：Also include being used for the brake assemblies (5) for realizing two level brake, the brake assemblies (5) include being arranged at
Limited block (51) on the inner peripheral surface of the wallboard (1) and the stopper slot (52) opened up on the outer circumference surface of the end cap (2),
The limited block (51) is located in stopper slot (52).
A kind of 2. safety shut-down mechanism for rolling screen door according to claim 1, it is characterised in that the end cap (2)
First step (20) and second step (21) including stepped setting from top to bottom, the upper surface of the second step (21) with
The second mounting groove (211) is offered between first step (20), second mounting groove (211) includes the rotation slot of circular arc
(2111) driving groove (2112) and with the rotation slot (2111) transition being connected, arc is convexly equipped with the second step (21)
The projection (2113) of shape structure, the projection (2113) are located in the driving groove (2112).
3. a kind of safety shut-down mechanism for rolling screen door according to claim 2, it is characterised in that dial car in the center
(3) spacing between outer circumference surface and the outside cambered surface of the driving groove (2112) is more than the diameter of the rolling assembly (4)
Set；Spacing between the outside cambered surface of the projection (2113) and the outside cambered surface of the driving groove (2112) is more than the rolling
The diameter of dynamic component (4) is set.
A kind of 4. safety shut-down mechanism for rolling screen door according to claim 3, it is characterised in that the limited block
(51) it is rectangular configuration, the both ends of the stopper slot (52) are rectangular configuration.
A kind of 5. safety shut-down mechanism for rolling screen door according to claim 3, it is characterised in that the limited block
(51) it is circular configuration, the both ends of the stopper slot (52) are arc structure.
A kind of 6. safety shut-down mechanism for rolling screen door according to claim 3, it is characterised in that the limited block
(51) it is triangular structure, the both ends of the stopper slot (52) match setting respectively with the limited block (51).
A kind of 7. safety shut-down mechanism for rolling screen door according to claim 3, it is characterised in that the stopper slot
(52) it is provided with bolster (50) on the end face of the end face of front end or limited block (51) rear end.
A kind of 8. safety shut-down mechanism for rolling screen door according to claim 7, it is characterised in that the bolster
(50) it is elastic buffering pad (501).
A kind of 9. safety shut-down mechanism for rolling screen door according to claim 7, it is characterised in that the bolster
(50) it is spring assembly (502), the spring assembly (502) includes：
Spring (5021), one end of the spring (5021) are fixedly connected with the front end face of the stopper slot (52)；
Buffer board (5022), the buffer board (5022) are fixedly connected with the other end of the spring (5021).
A kind of 10. safety shut-down mechanism for rolling screen door according to claim 9, it is characterised in that the buffer board
(5022) with being fixedly installed elastomeric pad (5023) on the contact surface of the limited block (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143486.XU CN207144789U (en) | 2017-09-07 | 2017-09-07 | A kind of safety shut-down mechanism for rolling screen door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721143486.XU CN207144789U (en) | 2017-09-07 | 2017-09-07 | A kind of safety shut-down mechanism for rolling screen door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207144789U true CN207144789U (en) | 2018-03-27 |
Family
ID=61677864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721143486.XU Active CN207144789U (en) | 2017-09-07 | 2017-09-07 | A kind of safety shut-down mechanism for rolling screen door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207144789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468732A (en) * | 2018-06-11 | 2018-08-31 | 漳州市龙文区上野技术开发服务部 | A kind of anti-fall brake disc of door roller and brake base |
-
2017
- 2017-09-07 CN CN201721143486.XU patent/CN207144789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468732A (en) * | 2018-06-11 | 2018-08-31 | 漳州市龙文区上野技术开发服务部 | A kind of anti-fall brake disc of door roller and brake base |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200415 Address after: 313100 Zhejiang city of Huzhou province Changxing County Coal Town Industrial Park Patentee after: Huzhou Xinpu Electromechanical Technology Co., Ltd Address before: 313100 Zhejiang city of Huzhou province Changxing County Coal Town Youth Park Building No. 3 Changxin Yu Micro Intelligent Technology Co Ltd Patentee before: CHANGXING WEIYU INTELLIGENT TECHNOLOGY Co.,Ltd. |