CN205591728U - Door opening machine - Google Patents
Door opening machine Download PDFInfo
- Publication number
- CN205591728U CN205591728U CN201620416447.1U CN201620416447U CN205591728U CN 205591728 U CN205591728 U CN 205591728U CN 201620416447 U CN201620416447 U CN 201620416447U CN 205591728 U CN205591728 U CN 205591728U
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- China
- Prior art keywords
- gear
- power transmission
- transmission shaft
- door
- worm
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- 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 relates to an equipment field of opening the door, aim at provides a door opening machine, door opening machine, including casing, worm gear motor, drive shaft, first gear, fixed block and drive wheel, worm gear motor and drive shaft are installed in the casing, the worm gear motor drives the drive shaft is rotated, first gear and drive wheel are installed in the drive shaft, the fixed block is fixed on ground, be equipped with the rack on the fixed block, a rack and a gear engagement. The utility model has the advantages of the device adopts the worm gear motor, and the transmission of worm gear structure is irreversible, can fix subaerial in the position of opening the door with the fixed block, wheel and rack meshing when the door plant is opened after, and first gear lock is dead behind the worm gear motor power, and messenger's door plant is fixed in the position of opening the door to avoid the door plant swung by external force.
Description
Technical field
This utility model relates to door-opening devices field, particularly to a kind of door lifter.
Background technology
Door lifter is typically mounted on door-plate, is provided with the roller that door-plate can be driven to rotate, beats at door-plate bottom it
Close the lockable roller of door lifter after opening, owing to existing door lifter does not typically set positioner, pass through roller
With the location that the frictional force on ground realizes door-plate, but the frictional force that the external force being subject to when door-plate produces more than roller
Time, door-plate will be promoted, particularly when door be installed in wind-force compared with big or that flow of the people is many places in time,
Door-plate swings and is easy to break door-plate itself or wall body structure, affects the normal use of door.
Utility model content
The purpose of this utility model is to overcome drawbacks described above, it is provided that a kind of enabling that can position after enabling
Machine.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of door lifter, including casing, worm and gear motor, drive shaft, the first gear, fixed block with drive
Driving wheel, described worm and gear motor and drive shaft are arranged in casing, described in described worm and gear driven by motor
Drive shaft turns, described first gear and driving wheel are installed on the driving shaft, and described fixed block is fixed on ground,
Described fixed block is provided with tooth bar, described tooth bar and the engagement of the first gear.
Further, power transmission shaft, thrustor, spring, the second gear, the 3rd gear and the 4th are also included
Gear, the rotating case of described power transmission shaft is in casing, and described second gear is arranged on worm and gear motor
Output shaft on, what described 3rd gear can horizontally slip is arranged on power transmission shaft, and described 4th gear is fixed
On the driving shaft, described second gear and the engagement of the 3rd gear, described 3rd gear and the engagement of the 4th gear,
Described thrustor and spring are separately mounted on the power transmission shaft of the 3rd gear both sides.
Further, described thrustor includes that tapered end, push rod and fixture block, described power transmission shaft are quill shaft,
Described power transmission shaft is provided with the elongated hole of through both sides, and described 3rd gear is provided with draw-in groove, and described tapered end is installed
In the casing corresponding with power transmission shaft position, described fixture block is arranged in elongated hole and embeds in draw-in groove, described in push away
Bar is arranged in power transmission shaft, and the two ends of described push rod act against on tapered end and fixture block respectively.
Further, the tooth depth of described first gear and tooth bar is 5～10mm.
The beneficial effects of the utility model are: device uses worm and gear motor, and worm gear structure passes
Dynamic irreversible, fixed block can be fixed on the ground of opening position, the first gear and tooth after door-plate is opened
Bar engages, and after worm and gear motor power-off, the first gear is locked, makes door-plate be fixed on opening position, thus keeps away
Exempt from door-plate to be swung by external force.
Accompanying drawing explanation
Fig. 1 is the side view of this utility model embodiment door lifter；
Fig. 2 is the sectional view of this utility model embodiment door lifter.
Label declaration:
1, casing；2, worm and gear motor；3, drive shaft；4, the first gear；5, fixed block；
6, driving wheel；7, power transmission shaft；8, thrustor；9, spring；10, the second gear；11, the 3rd tooth
Wheel；12, the 4th gear.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below
In conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
The design of this utility model most critical is: be provided with the fixed block of tooth bar, the first gear on ground
Coordinating with fixed block makes door-plate fix.
Refer to shown in Fig. 1 to Fig. 2, the door lifter of the present embodiment, including casing 1, worm and gear motor 2,
Drive shaft the 3, first gear 4, fixed block 5 and driving wheel 6, described worm and gear motor 2 and drive shaft 3
Being arranged in casing 1, described worm and gear motor 2 drives described drive shaft 3 to rotate, described first gear 4
Being arranged in drive shaft 3 with driving wheel 6, described fixed block 5 is fixed on ground, and described fixed block 5 sets
Tooth bar, described tooth bar and the first gear 4 is had to engage.
Work process of the present utility model is: enabling rear drive sprocket 6 drives door-plate to rotate, and opens maximum angular
When spending, the first gear 4 engages with the tooth bar in fixed plate, owing to worm and gear motor 2 has auto-lock function,
Door-plate is made to be fixed on unlatching maximum position.
Knowable to foregoing description, the beneficial effects of the utility model are: device uses worm and gear motor 2,
And worm gear structure transmission is irreversible, fixed block 5 can be fixed on the ground of opening position, work as door-plate
After unlatching, the first gear 4 engages with tooth bar, and after worm and gear motor 2 power-off, the first gear 4 is locked, makes door
Plate is fixed on opening position, thus avoids door-plate to be swung by external force.
Further, power transmission shaft 7, thrustor 8, spring the 9, second gear the 10, the 3rd gear are also included
11 and the 4th gear 12, the described rotating case of power transmission shaft 7 in casing 1, described second gear 10
Being arranged on the output shaft of worm and gear motor 2, what described 3rd gear 11 can horizontally slip is arranged on transmission
On axle 7, described 4th gear 12 is fixed in drive shaft 3, described second gear 10 and the 3rd gear 11
Engagement, described 3rd gear 11 engages with the 4th gear 12, and described thrustor 8 and spring 9 are pacified respectively
It is contained on the power transmission shaft 7 of the 3rd gear 11 both sides.
Seen from the above description, when powering-off state occurs, can be horizontal by the 3rd gear 11 by thrustor 8
To pushing away, make the 3rd gear 11 depart from described second gear 10, make driving wheel 6 become freely rotatable state,
Manually door-plate can be turned on and off, convenient use.
Further, described thrustor 8 includes tapered end, push rod and fixture block, and described power transmission shaft 7 is hollow
Axle, described power transmission shaft 7 is provided with the elongated hole of through both sides, and described 3rd gear 11 is provided with draw-in groove, described
Tapered end is arranged in the casing 1 corresponding with power transmission shaft 7 position, and described fixture block is arranged in elongated hole and embeds card
In groove, described push rod is arranged in power transmission shaft 7, and the two ends of described push rod act against on tapered end and fixture block respectively.
Seen from the above description, in tapered end, it is provided with mechanical lock, just can need to be opened by key, the 3rd gear 11
Being connected with power transmission shaft 7 by fixture block, installation site is stable, can horizontally slip, again can be in rotation process
Drive power transmission shaft 7.
Further, the tooth depth of described first gear 4 and tooth bar is 5～10mm.
Seen from the above description, the tooth depth of the first gear 4 and tooth bar is relatively big, can provide bigger when engagement
Resistance, increases service life of equipment.
Refer to shown in Fig. 1 to Fig. 2, embodiment one of the present utility model is:
A kind of door lifter, including casing 1, worm and gear motor 2, drive shaft the 3, first gear 4, fixes
Block 5 and driving wheel 6, described worm and gear motor 2 and drive shaft 3 be arranged in casing 1, described worm gear snail
Bar motor 2 drives described drive shaft 3 to rotate, and described first gear 4 and driving wheel 6 are arranged on drive shaft 3
On, described fixed block 5 is fixed on ground, and described fixed block 5 is provided with tooth bar, described tooth bar and the first tooth
Wheel 4 engagement, also includes power transmission shaft 7, thrustor 8, spring the 9, second gear the 10, the 3rd gear 11
With the 4th gear 12, the described rotating case of power transmission shaft 7 is in casing 1, and described second gear 10 is installed
On the output shaft of worm and gear motor 2, what described 3rd gear 11 can horizontally slip is arranged on power transmission shaft 7
On, described 4th gear 12 is fixed in drive shaft 3, and described second gear 10 engages with the 3rd gear 11,
Described 3rd gear 11 engages with the 4th gear 12, and described thrustor 8 and spring 9 are separately mounted to
On the power transmission shaft 7 of three gear 11 both sides, described thrustor 8 includes tapered end, push rod and fixture block, described biography
Moving axis 7 is quill shaft, and described power transmission shaft 7 is provided with the elongated hole of through both sides, and described 3rd gear 11 sets
Having draw-in groove, described tapered end to be arranged in the casing 1 corresponding with power transmission shaft 7 position, described fixture block is arranged on length
In hole and embed in draw-in groove, described push rod is arranged in power transmission shaft 7, and the two ends of described push rod act against respectively
On tapered end and fixture block, the tooth depth of described first gear 4 and tooth bar is 5～10mm.
In sum, the door lifter that this utility model provides, device employing worm and gear motor, and worm gear snail
Bar structure driven is irreversible, can be fixed on the ground of opening position by fixed block, when after door-plate unlatching first
Wheel and rack engages, and after worm and gear motor power-off, the first gear is locked, makes door-plate be fixed on opening position,
Thus avoid door-plate to be swung by external force, and when powering-off state occurs, can be horizontal by the 3rd gear by thrustor
To pushing away, make the 3rd gear depart from described second gear, make driving wheel become freely rotatable state, can be manual
Door-plate is turned on and off, convenient use, is provided with mechanical lock in tapered end, just can need to be opened by key, the
Three gears are connected with power transmission shaft by fixture block, and installation site is stable, can horizontally slip, and can rotate again
Driving power transmission shaft in journey, the tooth depth of the first gear and tooth bar is relatively big, can provide bigger resistance when engagement,
Increase service life of equipment.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model,
Every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion, or directly
Connect or be indirectly used in other relevant technical fields, be the most in like manner included in patent protection model of the present utility model
In enclosing.
Claims (4)
1. a door lifter, it is characterised in that: include casing, worm and gear motor, drive shaft, the first tooth
Wheel, fixed block and driving wheel, described worm and gear motor and drive shaft be arranged in casing, described worm gear snail
Drive shaft turns described in bar driven by motor, described first gear and driving wheel are installed on the driving shaft, described solid
Determining block and be fixed on ground, described fixed block is provided with tooth bar, described tooth bar and the engagement of the first gear.
Door lifter the most according to claim 1, it is characterised in that: also include power transmission shaft, thrustor,
Spring, the second gear, the 3rd gear and the 4th gear, the rotating case of described power transmission shaft in casing,
Described second gear is arranged on the output shaft of worm and gear motor, the peace that described 3rd gear can horizontally slip
Being contained on power transmission shaft, described 4th gear is fixing on the driving shaft, described second gear and the engagement of the 3rd gear,
Described 3rd gear and the engagement of the 4th gear, described thrustor and spring are separately mounted to the 3rd gear both sides
Power transmission shaft on.
Door lifter the most according to claim 2, it is characterised in that: described thrustor include tapered end,
Push rod and fixture block, described power transmission shaft is quill shaft, and described power transmission shaft is provided with the elongated hole of through both sides, described
3rd gear is provided with draw-in groove, and described tapered end is arranged in the casing corresponding with power transmission shaft position, described fixture block
Being arranged in elongated hole and embed in draw-in groove, described push rod is arranged in power transmission shaft, and the two ends of described push rod are respectively
Act against on tapered end and fixture block.
Door lifter the most according to claim 1, it is characterised in that: described first gear and the tooth of tooth bar
A height of 5～10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416447.1U CN205591728U (en) | 2016-05-10 | 2016-05-10 | Door opening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416447.1U CN205591728U (en) | 2016-05-10 | 2016-05-10 | Door opening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205591728U true CN205591728U (en) | 2016-09-21 |
Family
ID=56930653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620416447.1U Active CN205591728U (en) | 2016-05-10 | 2016-05-10 | Door opening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205591728U (en) |
-
2016
- 2016-05-10 CN CN201620416447.1U patent/CN205591728U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |