CN200955317Y - Passive spiral-door device locking mechanism - Google Patents
Passive spiral-door device locking mechanism Download PDFInfo
- Publication number
- CN200955317Y CN200955317Y CNU2006201261334U CN200620126133U CN200955317Y CN 200955317 Y CN200955317 Y CN 200955317Y CN U2006201261334 U CNU2006201261334 U CN U2006201261334U CN 200620126133 U CN200620126133 U CN 200620126133U CN 200955317 Y CN200955317 Y CN 200955317Y
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- Prior art keywords
- nut
- screw rod
- lift angle
- locking
- self
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- Expired - Lifetime
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Abstract
The utility model relates to a passive volute gate locking mechanism. A spiral flute of a changeable spiral lead angle screw is divided into two sections, one section is a principal spiral lead angle spiral flute whose end is connected with a locking section; a self-adjustable nut which is connected by a threaded sleeve and a contact bolt is rotatablely and circumferentially connected with a normal nut through a connecting housing, the self-adjustable nut is in a rigid connection with the normal nut through the bolt along axial direction; one end of a torsion spring is connected with the connecting housing, and the other end of the torsion spring is connected with the normal screw; the changeable spiral lead angle screw is connected with the output axis of a motor, and the gate is connected with the self-adjustable nut. No additional power source is needed to lock or unlock the gate, the locking and self-unlocking of the nut is realized only by the positive and inverted rolling of the screw. The gate is connected with the self-adjustable nut, thereby realizing the locking and passive self-unlocking of the gate. Based on the theory that the changeable spiral lead angle is bigger than the frictional angle, the screw locks the nut, namely, the gate is locked by the screw reliably and cannot be unlock due to shaking and other reasons. This utility model has the advantages of fewer parts of the locking device, low manufacturing precision, simple structure and easy maintenance.
Description
Technical field
The utility model relates to locking mechanism of passive spiral door machine, belong to the mechanical transmissioning technology field.
Background technology
Worm drive door machine is used very extensive, as various vehicle doorns, shield door, civilian door etc.All there be the locking and the release problem of door in the door machine of all worm drive.At present, the door machine various brakes commonly used of worm drive both at home and abroad or the lock that is driven by electromagnetism, hydraulic pressure, mode such as pneumatic carry out the locking and the release of a machine, and its release often needs other power source.Above-mentioned portal crane lock closes the device majority and has shortcomings such as mechanism's complexity, expense height, poor reliability.
Summary of the invention
The utility model is intended to overcome the defective of above-mentioned existence, proposes a kind of simple and reliable, easy to operate locking mechanism of passive spiral door machine, the locking of realization worm drive door machine and passive from release.
Technical solution of the present utility model: its structure comprises change lift angle screw rod, plain nut, torsion spring, swivel nut, contact plug and manual unlocking part.The helicla flute that becomes the lift angle screw rod divides two sections, and one section is the helicla flute of great-lift angle high efficiency transmission, and a bit of lead angle of its terminal connection forms the locking section less than the helicla flute of angle of friction.Described self adaptation nut is formed by swivel nut and contact plug connection.Because contact plug is that line contacts with helicla flute, so contact plug can form the screw pair that is complementary with the screw rod of any lift angle and realize transferring power and motion.When contact plug and swivel nut are when being rigidly connected, contact plug and screw rod are sliding frictions; When contact plug and swivel nut are when being rotationally connected, contact plug and screw rod are rolling friction.The number of contact plug can be consistent with change lift angle screw flight head number.The locking of door and release are to enter, withdraw from the lockout zone that becomes the lift angle screw rod by the self adaptation nut to realize.Manually at closing time, realize that by means of relatively rotating of plain nut and self adaptation nut door lock closes.
Advantage of the present utility model: passive: the locking and the release of door machine all need not extra power source, only rely on the forward and reverse rotation of screw rod self realize the locking of self adaptation nut with from release, because door links to each other with the self adaptation nut, thus the locking of realization door and passive from release; Reliably: rely on lead angle to make screw rod pin nut less than the principle of angle of friction, promptly pinned door reliably, can be owing to former thereby releases such as vibrations; Simply: the door the locking mechanism part few, machining accuracy is low, simple in structure, be convenient to the maintenance.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is that the utility model is the manual unlocking device structural representation of example with the gear drive.
Among Fig. 1,21 becomes lift angle screw rod, the 2nd, plain nut, the 3rd, torsion spring, the 4th, adapter sleeve, the 5th, pin, the 6th, contact plug, the 7th, swivel nut, the 8th, A key, the 9th, full-depth tooth gear, the 10th, pulley, the 11st, pulley spindle, the 12nd, reduction torsion spring, the 13rd, cable wire nail, the 14th, cable wire, the 15th, B key, the 16th, part gear.
The specific embodiment
Contrast Fig. 1, its structure comprises change lift angle screw rod 1, plain nut 2, torsion spring 3, adapter sleeve 4, pin 5, contact plug 6, swivel nut 7, and the helicla flute that wherein becomes lift angle screw rod 1 divides two sections, and one section is the great-lift angle helicla flute, the terminal locking section that connects; The self adaptation nut is formed by swivel nut 7 and contact plug 6 connections; The self adaptation nut circumferentially rotates by adapter sleeve 4 with plain nut 2 and connects, and the self adaptation nut connects by pin 5 axial stiffness with plain nut 2; Torsion spring 3 one ends link to each other with adapter sleeve 4, and torsion spring 3 other ends link to each other with plain nut 2; Become lift angle screw rod 1 and connect, door and self adapting nut with motor output shaft.
At closing time electronic, change lift angle screw rod 1 is just changeing drive self adaptation nut and is being moved to the locking section by the great-lift angle section, closes until entering locking section door lock.During electric open-door, become 1 counter-rotating of lift angle screw rod and drive the self adaptation nut and leave locking section and counter motion and finish and open the door.Manually at closing time, the self adaptation nut moves drive change lift angle screw rod 1 just to be changeed, when contact plug 6 is in the critical localisation of screw rod 1 locking section, the torsion of torsion spring 3 makes plain nut 2 rotate an angle with becoming lift angle screw rod 1 with respect to the self adaptation nut, make the self adaptation nut enter the locking section, finish and manually close the door and locking.
What become lift angle screw rod 1 and can be cylindricality also can be taper.
The locking section that becomes lift angle screw rod 1 is the helicla flute that one section lift angle is not more than angle of friction, and this lift angle also has a distortion, and promptly along becoming the circumferential pressure angle of lift angle screw rod, both of these case all can close door lock.
Spiral trough number can be a single head on the change lift angle screw rod 1, also can be bull.
Contact plug 6 can be to be rigidly connected with swivel nut 7, also can be to be rotationally connected.
When opening Door by Hand,, one of design becomes the device that lift angle screw rod 1 reverses as long as can allowing.Contrast Fig. 2 is changed to example with loading drive gear, and manual unlocking device comprises: become lift angle screw rod 1, A key 8, full-depth tooth gear 9, pulley 10, pulley spindle 11, reduction torsion spring 12, cable wire nail 13, cable wire 14, B key 15, part gear 16.Wherein full-depth tooth gear 9 connects with A key 8 with becoming between the lift angle screw rod 1, and part gear 16 connects by B key 15 with pulley spindle, and pulley 10 is followed closely by cable wire with pulley spindle 11 and is connected, and full-depth tooth gear 9 and part gear 16 can be finished gear drive.One end of cable wire 14 is around following closely on 13 with the cable wire of pulley rigid connection, and the other end of cable wire 14 links to each other with handle.One end of reduction torsion spring 12 links to each other with fixed frame, and the other end of reduction torsion spring 12 links to each other with pulley spindle 11.
Assemble when initial, torsion spring is in free state.Handle can be installed in the appropriate location in compartment.When need not manual unlocking, the no toothed portion of part gear 16 is relative with full-depth tooth gear 9.During manual unlocking, the pulling handle drives pulley 10 by cable wire 14 and rotates.When pulley 10 rotates, make reduction torsion spring 12 obtain the torsion that pulley 10 is resetted, the have toothed portion and the full-depth tooth gear 9 of part gear 16 are meshed.Gear drive drives and becomes 1 counter-rotating of lift angle screw rod, thereby realizes manual unlocking, finishes opening Door by Hand.
The course of work of the present utility model:
is when at closing time electronic, become the lift angle screw rod just changeing drive the self adaptation nut by the lift angle spiro rod section to the motion of screw rod locking section, in case the self adaptation nut enters screw rod locking section, just realized the action of closing the door, and made an automatic blocking;
becomes lift angle screw rod counter-rotating driving self adaptation nut and is moved to the great-lift angle spiro rod section by screw rod locking section when electric open-door, in case the self adaptation nut withdraws from screw rod locking section, has just realized the automatic unlocking of door, has realized the action of opening the door then.
ought be manually at closing time, with the electronic situation difference of closing the door be that nut drives and becomes the lift angle screw rod.The plain nut that is complementary with change lift angle screw rod great-lift angle section that circumferentially is rotationally connected of self adaptation nut, axial and this plain nut of self adaptation nut is rigidly connected.A torsion spring is adorned in the plain nut outside, and an end of this torsion spring links to each other with plain nut, and the other end links to each other with the self adaptation nut.When the self adaptation nut was in the critical localisation of screw rod locking section, the torsion of torsion spring made plain nut rotate an angle with becoming the lift angle screw rod with respect to the self adaptation nut, makes the self adaptation nut enter the locking section, finish manually close the door and locking it.Be that locking relies on relatively rotating between plain nut and change lift angle screw rod and the self adaptation nut to realize.
becomes the device that the lift angle screw rod reverses as long as one of design can allow when opening Door by Hand, make the self adaptation nut withdraw from screw rod locking section and just can realize manual unlocking, has realized the action of opening the door then.
The utility model is applicable to the locking of all worm drive doors.
Claims (5)
1, locking mechanism of passive spiral door machine is characterized in that the helicla flute that becomes the lift angle screw rod divides two sections, and one section is the great-lift angle helicla flute, the terminal locking section that connects; The self adaptation nut is formed by swivel nut and contact plug connection; The self adaptation nut circumferentially rotates by adapter sleeve with plain nut and connects, self adaptation nut and plain nut by bearing pin to rigid connection; Torsion spring one end links to each other with adapter sleeve, and the torsion spring other end links to each other with plain nut; Become the lift angle screw rod and connect, door and self adapting nut with motor output shaft.
2, locking mechanism of passive spiral door machine according to claim 1 is characterized in that: the locking section that becomes the lift angle screw rod is the helicla flute that one section lift angle is not more than angle of friction, and this lift angle also has a distortion, promptly along becoming the circumferential pressure angle of lift angle screw rod.
3, locking mechanism of passive spiral door machine according to claim 1 is characterized in that: what become the lift angle screw rod and can be cylindricality also can be taper.
4, locking mechanism of passive spiral door machine according to claim 1 is characterized in that: spiral trough number can be a single head on the change lift angle screw rod, also can be bull.
5, locking mechanism of passive spiral door machine according to claim 1 is characterized in that: contact plug and swivel nut can be to be rigidly connected, and also can be to be rotationally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201261334U CN200955317Y (en) | 2006-10-18 | 2006-10-18 | Passive spiral-door device locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201261334U CN200955317Y (en) | 2006-10-18 | 2006-10-18 | Passive spiral-door device locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200955317Y true CN200955317Y (en) | 2007-10-03 |
Family
ID=38773901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201261334U Expired - Lifetime CN200955317Y (en) | 2006-10-18 | 2006-10-18 | Passive spiral-door device locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200955317Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101464469B (en) * | 2007-12-17 | 2012-05-30 | 深圳迈瑞生物医疗电子股份有限公司 | Warehouse door opening/closing mechanism |
| CN101769099B (en) * | 2008-12-31 | 2012-11-28 | 深圳市方大自动化系统有限公司 | Portal crane lock |
| CN112160660A (en) * | 2020-11-05 | 2021-01-01 | 长春工业大学 | Emergency unlocking device for locking mechanism of urban rail vehicle sliding plug door |
-
2006
- 2006-10-18 CN CNU2006201261334U patent/CN200955317Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101464469B (en) * | 2007-12-17 | 2012-05-30 | 深圳迈瑞生物医疗电子股份有限公司 | Warehouse door opening/closing mechanism |
| CN101769099B (en) * | 2008-12-31 | 2012-11-28 | 深圳市方大自动化系统有限公司 | Portal crane lock |
| CN112160660A (en) * | 2020-11-05 | 2021-01-01 | 长春工业大学 | Emergency unlocking device for locking mechanism of urban rail vehicle sliding plug door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NANJING KANGNI ELECTROMECHANICAL CO., LTD. Free format text: FORMER NAME: KANGNI ELECTROMECHANICAL NEW TECHNOLOGY CO LTD, NANJING |
|
| CP03 | Change of name, title or address |
Address after: 210013 Gulou District, Jiangsu, Nanjing No. 39 model road Patentee after: Nanjing Kangni Electromechanical Co., Ltd. Address before: 210038 Jiangsu city of Nanjing Province Economic and Technological Development Zone Hengda Road No. 19 Patentee before: Kangni Electromechanical New Technology Co., Ltd., Nanjing |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071003 |
|
| EXPY | Termination of patent right or utility model |