CN206628942U - A kind of electric rolling door device anti-fall device - Google Patents
A kind of electric rolling door device anti-fall device Download PDFInfo
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- CN206628942U CN206628942U CN201720305318.XU CN201720305318U CN206628942U CN 206628942 U CN206628942 U CN 206628942U CN 201720305318 U CN201720305318 U CN 201720305318U CN 206628942 U CN206628942 U CN 206628942U
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- driven gear
- fluted disc
- hole
- locating part
- rolling door
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Abstract
Originally it is new to provide a kind of electric rolling door device anti-fall device, pass through the setting of fluted disc and fixed end cap, after motor shaft or/and the first driven gear are worn, either the first driven gear rotates under the drive that roller shutter is conducted oneself with dignity, or motor shaft driving fluted disc rotates, it will make to relatively rotate between the first driven gear and fluted disc, fluted disc then now can be passed through from through hole by the safety pin that fluted disc upper limit part limits, with being rotated further for fluted disc or the first driven gear, safety pin can be inserted in the positioning hole in fixed end cap, realize the first driven gear is locked, prevent the first driven gear from being rotated under the deadweight of roller shutter, then the decline of door curtain is limited.
Description
Technical field
It the utility model is related to electric rolling door device field, more particularly to a kind of electric rolling door device anti-fall device.
Background technology
The type of drive of part roller shutter door machine is by being provided with engaging tooth, motor output shaft on motor output shaft at present
Engaged by engaging tooth with the first driven gear, realize that the first driven gear of driving rotates, the first driven gear rotates can band
Move the work of other transmission mechanisms；And due to gear engagement mode after a long time use, can due to engage odontotripsis phenomenon
Cause motor output shaft to drive the precision of the first driven gear action to reduce, can not even act；And partial rolling screen door
The braking mechanism of machine is also to control the action of door curtain or stopping by the startup to motor and stopping, and if motor output shaft
Engaged transmission is not present between the first driven gear to act on, then the action of the uncontrollable door curtain of action of motor, door curtain can be by
Transmission mechanism and one-stage gear is driven to operate in its deadweight, i.e. door curtain uncontrolled can be fallen, and easily cause potential safety hazard.
The content of the invention
In order to overcome above mentioned problem, originally new to provide a kind of electric rolling door device anti-fall device, it can be defeated in motor
When engaged transmission relation being not present between shaft and the first driven gear, prevent door curtain from declining.
To achieve the above object, the technical scheme of this new offer is：
A kind of electric rolling door device anti-fall device, including motor and the first passive tooth with motor output shaft drive connection
Wheel, the first driven gear are connected by transmission mechanism and spool；Also include fluted disc, the fluted disc and the first driven gear
It is coaxially disposed, fluted disc can relatively rotate with the rotating shaft of the first driven gear, and fluted disc is connected with motor output shaft；The fluted disc
It is provided with retaining mechanism between the first driven gear, the retaining mechanism includes not pivotable parts and can axial displacement portion
Point, it is described can an effect end of axial displacement part be fixed on the first driven gear, described fluted disc, which is arranged on, to be turned
Between dynamic part and the first driven gear, can axial displacement part be arranged between the first driven gear and fluted disc；It is described can
Axial actuating unit is provided between axial displacement part and the first driven gear so that when the first driven gear and fluted disc occur
During relative rotation, axial actuating unit can force can axial displacement partially pass through and locked with pivotable parts after fluted disc.
It is described can axial displacement part include safety pin；Set on first driven gear side relative with fluted disc
Holding tank is equipped with, one end of safety pin is arranged in holding tank, and axial actuating unit is arranged between safety pin and holding tank；
The locating part of at least one piece safety pin is provided with the fluted disc, the both sides of locating part are provided with to be passed through for what safety pin passed through
Hole, the spacing through the hole center of circle and the fluted disc center of circle are equal to the spacing in safety pin central point and the first driven gear center of circle；Institute
The set location for the locating part stated is satisfied with：When the first driven gear and during fluted disc synchronous axial system, locating part all the time with safety pin
Another end in contact.
Described axial actuating unit includes stage clip.
Described locating part is provided with three pieces, and every piece of locating part is arranged on same circumference, and the two of every piece of locating part
Side is provided with through hole.
Two of described each locating part both sides are interconnected through hole, and locating part is arranged on two connections for passing through hole
Place.
Described not pivotable parts include the fixation end cap that can not act, and fluted disc is arranged on fixed end cap and first passive
Between gear；Covered in the fixing end and be provided with multiple positioning holes, the position in hole is passed through on the position of the positioning hole and fluted disc
Put relative.
The quantity of the positioning hole at least equal to locating part quantity, the central point of each positioning hole respectively with a locating part
Relatively, the cross-sectional area of positioning hole be equal to locating part and two through the cross-sectional area in hole conjunction.
The quantity of the positioning hole is equal to the quantity through hole, and each positioning hole passes through hole relative with one respectively, positioning hole
Cross-sectional area be equal to through hole cross-sectional area.
Above-mentioned technical proposal is beneficial in that：
Originally it is new to provide a kind of electric rolling door device anti-fall device, by the setting of fluted disc and fixed end cap, work as motor
After axle or/and the first driven gear are worn, either the first driven gear rotates under the drive that roller shutter is conducted oneself with dignity, or motor
Axle driving fluted disc rotates, and can all make to relatively rotate between the first driven gear and fluted disc, now be limited by fluted disc upper limit part
The safety pin of system then can pass through fluted disc from through hole, and with being rotated further for fluted disc or the first driven gear, safety pin can insert
In positioning hole in fixed end cap, realize the first driven gear is locked, prevent the first driven gear from turning under the deadweight of roller shutter
It is dynamic, then limit the decline of door curtain.
It is clearly and completely described below in conjunction with the accompanying drawing technical scheme new to this, it is clear that described implementation
Example is this new part of the embodiment, rather than whole embodiments.Embodiment based on this in new, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belong to this novel protected scope.
Brief description of the drawings
Fig. 1 is the structural representation of this new embodiment 1；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is the structural representation of the fluted disc of this new embodiment 1；
Fig. 4 is the structural representation that this new embodiment 1 fixes end cap.
Embodiment
Embodiment 1
A kind of electric rolling door device anti-fall device as shown in Figure 1, including motor and be connected with motor output shaft 1
First driven gear 2, the first driven gear 2 are connected by transmission mechanism and spool；Also include fluted disc 3, the fluted disc 3
It is coaxially disposed with the first driven gear 2, fluted disc 3 can relatively rotate with the rotating shaft of the first driven gear 2, and fluted disc 3 exports with motor
Axle 1 is connected；Retaining mechanism 4 is provided between the driven gear 2 of fluted disc 3 and first, the retaining mechanism can not including one
Rotating part and can axial displacement part, it is described can an effect end of axial displacement part be fixed on the first driven gear 2,
Described fluted disc 3 is arranged between not pivotable parts and the first driven gear 2, can be arranged on first passive for axial displacement part
Between gear 2 and fluted disc 3；Axial actuating unit can be provided between axial displacement part and the first driven gear 3 described, made
When proper first driven gear 2 and fluted disc 3 relatively rotate, axial actuating unit can force can axial displacement partially pass through tooth
Locked after disk 3 with not pivotable parts.
As this new most preferred embodiment, it is described can axial displacement part include safety pin 40 and holding tank 41, institute
The holding tank 41 stated is arranged in the first driven gear 2 side wall relative with fluted disc 3, and safety pin 40 is arranged on holding tank 41
It is interior；Described axial actuating unit includes stage clip 42, and the stage clip 42 is arranged in holding tank 41, the other end and safety of stage clip 42
The bottom surface of pin 40 contacts；Described not pivotable parts include fixed end cap 43, and fluted disc 3 is arranged on fixed end cap 43 and first passive
Between gear 2, several positioning holes 430 are provided with fixed end cap 43, the position of positioning hole 430 is corresponded in the side wall of fluted disc 3
Put and be provided through hole 30, the position through hole 30 is relative with the position of holding tank 41 on the first driven gear, through
Locating part 31 is additionally provided with hole 30, the set location of locating part 31 is satisfied with：Turn when fluted disc 3 is synchronous with the first driven gear 2
When dynamic, locating part 31 contacts with safety pin 40 all the time.
Principle is：After the driven gear 2 of motor shaft 1 or/and first is worn, either the first driven gear 2 is in roller shutter
Rotated under the drive of deadweight, or motor shaft 1 drives fluted disc 3 to rotate, and can all make to occur between the first driven gear 2 and fluted disc 3
Relatively rotate, the safety pin 40 now limited by the upper limit part 31 of fluted disc 3 then can pass through fluted disc 3 from through hole 30, with fluted disc 3
Or first driven gear 2 be rotated further, safety pin 40 can be inserted in the positioning hole 430 in fixed end cap 43, realized first
Driven gear 2 is locked, prevents the first driven gear 2 from being rotated under the deadweight of roller shutter, then limits the decline of door curtain.
Embodiment 2
Preferably, as shown in figure 3, described locating part 31 is provided with three pieces, every piece of locating part 31 is arranged at same circle
On contour, the both sides of every piece of locating part 31 are provided with through hole 30；Two of described each locating part both sides pass through hole 30
It is interconnected, locating part 31 is arranged on two connectivity parts for passing through hole 30.
It is furthermore preferred that as shown in figure 4, it is provided with multiple positioning holes 430, the positioning hole on the fixed end cap 43
430 position is relative with passing through the position in hole 30 on fluted disc.
It is furthermore preferred that quantity of the quantity of the positioning hole 430 at least equal to locating part 31, in each positioning hole 430
Heart point is relative with a locating part 31 respectively, the cross-sectional area of positioning hole 430 be equal or slightly larger than with a locating part 31 and two
Through the conjunction of the cross-sectional area in hole 30.By such setting, using the setting of three limited blocks, three positioning holes, ensuring
Under the premise of fluted disc and fixed end cap in itself rigid, the locked efficiency of the first driven gear, i.e. the first passive tooth can be improved
Wheel at most rotates 1/3rd will be locked.
Embodiment 3
As shown in figure 4, in this new another embodiment, the quantity of the positioning hole 430 is equal to through hole
30 quantity, each positioning hole 430 is relative through hole 30 with one respectively, and the cross-sectional area of positioning hole 430, which is equal or slightly larger than, to be worn
The cross-sectional area of via 30.
Claims (8)
1. a kind of electric rolling door device anti-fall device, including motor and the first driven gear with motor output shaft drive connection,
First driven gear is connected by transmission mechanism and spool；It is characterized in that：Also include fluted disc, the fluted disc and first
Driven gear is set, and fluted disc can relatively rotate with the rotating shaft of the first driven gear, and fluted disc is connected with motor output shaft；
It is provided with retaining mechanism between the fluted disc and the first driven gear, the retaining mechanism includes not pivotable parts and can axle
To displaced portion, it is described can an effect end of axial displacement part be fixed on the first driven gear, described fluted disc is set
Between not pivotable parts and the first driven gear, can axial displacement part be arranged between the first driven gear and fluted disc；
Axial actuating unit can be provided between axial displacement part and the first driven gear described so that when the first driven gear with
When fluted disc relatively rotates, axial actuating unit can force can axial displacement partially pass through and locked with pivotable parts after fluted disc
Tightly.
A kind of 2. electric rolling door device anti-fall device as claimed in claim 1, it is characterised in that：Described can axial displacement portion
Dividing includes safety pin；Holding tank is provided with first driven gear side relative with fluted disc, one end of safety pin is set
Put in holding tank, axial actuating unit is arranged between safety pin and holding tank；At least one piece is provided with the fluted disc
The locating part of safety pin, the both sides of locating part are provided with passes through hole for what safety pin passed through, described to pass through the hole center of circle and fluted disc
The spacing in the center of circle is equal to the spacing in safety pin central point and the first driven gear center of circle；The set location of described locating part meets
In：When the first driven gear and during fluted disc synchronous axial system, locating part another end in contact with safety pin all the time.
A kind of 3. electric rolling door device anti-fall device as claimed in claim 2, it is characterised in that：Described axial actuating unit
Including stage clip.
A kind of 4. electric rolling door device anti-fall device as claimed in claim 2, it is characterised in that：Described locating part is provided with
Three pieces, every piece of locating part is arranged on same circumference, and the both sides of every piece of locating part are provided with through hole.
A kind of 5. electric rolling door device anti-fall device as claimed in claim 4, it is characterised in that：Described each locating part two
Two of side are interconnected through hole, and locating part is arranged on two connectivity parts for passing through hole.
A kind of 6. electric rolling door device anti-fall device as claimed in claim 1, it is characterised in that：Described not pivotable parts
Including the fixation end cap that can not be acted, fluted disc is arranged between fixed end cap and the first driven gear；Covered in the fixing end
Multiple positioning holes are provided with, the position of the positioning hole is relative with passing through the position in hole on fluted disc.
A kind of 7. electric rolling door device anti-fall device as claimed in claim 6, it is characterised in that：The quantity of the positioning hole is extremely
It is equal to the quantity of locating part less, the central point of each positioning hole is relative with a locating part respectively, and the cross-sectional area of positioning hole is equal to
With locating part and two through the cross-sectional area in hole conjunction.
A kind of 8. electric rolling door device anti-fall device as claimed in claim 6, it is characterised in that：Quantity of the positioning hole etc.
In the quantity through hole, each positioning hole is relative through hole with one respectively, and the cross-sectional area of positioning hole is equal to through the transversal of hole
Area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720305318.XU CN206628942U (en) | 2017-03-27 | 2017-03-27 | A kind of electric rolling door device anti-fall device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720305318.XU CN206628942U (en) | 2017-03-27 | 2017-03-27 | A kind of electric rolling door device anti-fall device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206628942U true CN206628942U (en) | 2017-11-10 |
Family
ID=60208541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720305318.XU Active CN206628942U (en) | 2017-03-27 | 2017-03-27 | A kind of electric rolling door device anti-fall device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206628942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061942A (en) * | 2020-09-08 | 2020-12-11 | 杭州职业技术学院 | Transition transmission gear device applied to escalator |
-
2017
- 2017-03-27 CN CN201720305318.XU patent/CN206628942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061942A (en) * | 2020-09-08 | 2020-12-11 | 杭州职业技术学院 | Transition transmission gear device applied to escalator |
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