CN2663381Y - Door opening force keeping device of elevator door machine - Google Patents
Door opening force keeping device of elevator door machine Download PDFInfo
- Publication number
- CN2663381Y CN2663381Y CN 200320119132 CN200320119132U CN2663381Y CN 2663381 Y CN2663381 Y CN 2663381Y CN 200320119132 CN200320119132 CN 200320119132 CN 200320119132 U CN200320119132 U CN 200320119132U CN 2663381 Y CN2663381 Y CN 2663381Y
- Authority
- CN
- China
- Prior art keywords
- door
- roller
- machine
- keep
- idler wheel
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a door opening force retaining device of elevator door machine, which comprises an idler wheel battledore and a retaining plate connected through a fixed shaft. A pressure spring and a limit column are arranged between the idler wheel battledore and the retaining plate and positioned respectively at two sides of the fixed shaft. Embossments on the idler wheel stretch into a moving orbit of the idler wheel connected with a door plate, and the retaining plate is articulated with a connecting shaft fixed at a door machine through a connecting plate. An offsetting spring is arranged between the idler wheel battledore and the door machine, and the door machine is also fixed with a positioning column for limiting the idler wheel battledore to move along the reset direction of the offsetting spring. The utility model has light structure and reliable work, and realizes that the single direction has the retaining force only during opening the door, which eliminates the problems that the original structure has large resistance, boosting when closing the door, car door and hitting the door, at the same time, the noise is also reduced.
Description
Technical field
The gate door machine that the utility model relates to a kind of elevator opens the door to try hard to keep and holds device.
Background technology
Country's " elevator manufacturing and installation safety standard standard " is regulation (GB7588-1995), all need provide certain power of locking a door when the gate door machine of elevator is stopped in the not gate district or in the hoistway motion process, becomes flexible, opens to prevent gate.From security standpoint, existing elevator is except that utilizing control gate electric motor rotation resistant moment to guarantee that gate locks a door the power, can be equipped with also that another one machinery support organization---a door machine opens the door to try hard to keep and holds device, guarantees the gate locking after the elevator faults outage.Fig. 1 is that the common door machine opens the door to try hard to keep and holds the apparatus structure scheme drawing.It comprises by anchor shaft 1 bonded assembly roller and re-packs 2 and holding plate 3, holding plate 3 is captiveed joint with the door machine, pressure spring 4, limited post 5 be installed in roller re-pack 2 and holding plate 3 between and lay respectively at the both sides of anchor shaft 1, roller re-packs has on 2 projection 21 to stretch in the path of motion with door-plate bonded assembly roller 8.
With the mutually rigidly connected roller 8 of gate door-plate, move with gate by driven by motor, can hold device and having an effect with opening the door to try hard to keep near the stage of closing the door, the projection that the roller contact roller re-packs, the compressive pressure spring re-packs roller and rotates around anchor shaft, upwards lifts, after nadir, reach the position of closing the door, roller re-packed and recover the home position under the pressure spring effect this moment.Therefore, when opening the door, roller must oppress roller re-pack and pressure spring just can realize opening the door, thereby realized the maintenance effect of the power of locking a door.
This device provide opening the door try hard to keep the barrier in, exist some defectives: the power of locking a door that its spring provides will become the resistance of gate closing movement in gate is closed the door process, influence gate close the door speed and effect, even cause the gate velocity step ladder phenomenon of closing the door, promptly---re-packing the nadir stage by roller, owing to the reason that stops of the power of locking a door, it is very low that the speed of door can become; When in a single day roller passes through, spring compressing roller re-packs and sets back rapidly, and the power of locking a door becomes power by resistance, the roller promotion roller that re-packs, roller drives gate and runs with regard to causing gate to hit the product problem of door easily, simultaneously, also can produce vibrating noise by the nadir process; Therefore, debugging the course of receiving at last at product just needs the more time of cost adjust the coordinate operation of this structure and gate, not only bring inconvenience to project installation and debugging, even effect also can influence lift product and finally be delivered for use the time.
Summary of the invention
The purpose of this utility model is can greatly reduce the close the door drag effect of opposite house in the process of gate in order to provide a kind of, confining force promptly only when opening the door, gate is provided, has the advantage that unidirectional confining force is provided, the problem of can eliminate that the resistance of original structure in the process of closing the door is big, the boosting of closing the door, gate being hit door, the elevator door-motor that also reduces noise simultaneously opens the door to try hard to keep and holds device.
This uses later-model main technical schemes to be: this elevator door-motor opens the door to try hard to keep and holds device, comprise by anchor shaft bonded assembly roller and re-packing and holding plate, pressure spring, limited post be installed in that roller re-packs and holding plate between and lay respectively at the both sides of anchor shaft, on re-packing, roller have projection to stretch in the path of motion with door-plate bonded assembly roller, holding plate is hinged with the adapter shaft that is fixed on the machine by connecting panel, retracing spring be connected that roller re-packs and the door machine between, also be fixed with on the door machine and can limit roller and re-pack to the reset registration mast of direction motion of retracing spring.
With the rigidly connected roller of gate, can try hard to keep when holding device and having an effect with opening the door near the stage of closing the door, the roller contact roller re-packs, the compressive pressure spring re-packs roller to rotate around anchor shaft, opening the door tries hard to keep holds device integral body around being fixedly coupled the axle rotation with the door machine but make, and upwards lifts, after roller can just can pass through nadir with very little power, reach the position of closing the door, this moment is whole opens the door to try hard to keep and holds device recover the home position under action of reset spring.And when opening the door, the projection side that roller and roller re-pack produces friction force, this acts on the friction force that roller re-packs and the combined action of registration mast, make the necessary compressive pressure spring of roller, forcing roller to re-pack rotates around anchor shaft, roller just can roll across the protruding part that roller re-packs, and realizes opening the door, and said process has just been realized the maintenance effect of the power of locking a door.
Compare with original device, reach the same power of locking a door, the spring specification that the utility model needs is little a lot, and device integral body is also light and handy than original; Because what adopt also is spring and lever structure, its reliability and original install consistent have been guaranteed; Only also realized unidirectional effect with confining force in the process of opening the door---eliminated the problem that resistance, the boosting of closing the door, gate that the original mechanism process of closing the door exists hit door; Since pressure spring reduce light and handyization with structure, noise also decreases than original mechanism; Fundamentally solved the difficult problem that this during the last ten years power apparatus that opens the door perplexs elevator door-motor always.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail
Fig. 1 is that existing elevator door-motor opens the door to try hard to keep and holds the structural representation of device;
Fig. 2 is the structural representation of an embodiment of the utility model.
The specific embodiment
As shown in Figure 2, a kind of elevator door-motor of present embodiment opens the door to try hard to keep and holds device, comprise by anchor shaft 1 bonded assembly roller and re-pack 2 and holding plate 3, pressure spring 4, limited post 5 be installed in roller re-pack 2 and holding plate 3 between and lay respectively at the both sides of anchor shaft 1, roller re-packs has on 2 projection 21 to stretch in the path of motion with door-plate bonded assembly roller 8, and roller re-packs that the side of 2 upper process 21 contacts with the roller that is in the state of closing the door and is tangent, this side has the device that increases friction force, as friction lining, toothed surfaces etc.Holding plate 3 is hinged with the adapter shaft 7 that is fixed on the machine by connecting panel 6, retracing spring 9 be connected roller re-pack 2 and the door machine between, also be fixed with on the door machine and can limit roller and re-pack 2 to the reset registration mast 10 of direction motion of retracing spring.
In the present embodiment, it is to the right the sense of motion of closing the door, with the rigidly connected roller 8 of gate, can contact roller re-pack 2 near the stage of closing the door, this moment it not compressive pressure spring 4 roller is re-packed 2 rotate around anchor shaft 1, rotate around being fixedly coupled axle 7 but make that opening the door tries hard to keep and hold device integral body with the door machine, upwards anticlockwise direction lifts, roller 8 can just can reach the position of closing the door by after the nadir with very little power, and this moment is whole opens the door to try hard to keep and hold device recover the home position under retracing spring 9 acts on.And when opening the door, re-pack 2 projection 21 sides of roller 8 and roller produce friction force, this friction force that acts on that roller re-packs is the re-pack registration mast combined action of 2 belows of clockwise direction and roller, make roller 8 necessary compressive pressure springs 4, force roller to re-pack 2 around anchor shaft 1 rotation, roller 8 just can roll across re-pack 2 protruding part 21 of roller, realizes opening the door, and said process has just been realized the maintenance effect of the power of locking a door.
Claims (5)
1, a kind of elevator door-motor opens the door to try hard to keep and holds device, comprise by anchor shaft (1) bonded assembly roller and re-packing (2) and holding plate (3), pressure spring (4), limited post (5) be installed in that roller re-packs (2) and holding plate (3) between and lay respectively at the both sides of anchor shaft (1), roller re-packs has on (2) projection (21) to stretch in the path of motion with door-plate bonded assembly roller (8), it is characterized in that: holding plate (3) is hinged with the adapter shaft (7) that is fixed on the machine by connecting panel (6), retracing spring (9) be connected that roller re-packs (2) and the door machine between, also be fixed with on the door machine and can limit roller and re-pack (2) to the reset registration mast (10) of direction motion of retracing spring.
2, a kind of elevator door-motor according to claim 1 opens the door to try hard to keep and holds device, it is characterized in that: roller re-packs that the side of (2) upper process (21) contacts with the roller that is in the state of closing the door and is tangent.
3, a kind of elevator door-motor according to claim 2 opens the door to try hard to keep and holds device, it is characterized in that: the side of the projection (21) that contacts with the roller that is in the state of closing the door has the device that increases friction force.
4, a kind of elevator door-motor according to claim 3 opens the door to try hard to keep and holds device, and it is characterized in that: the device of described increase friction force is a friction lining.
5, a kind of elevator door-motor according to claim 3 opens the door to try hard to keep and holds device, and it is characterized in that: the device of described increase friction force is a toothed surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320119132 CN2663381Y (en) | 2003-12-12 | 2003-12-12 | Door opening force keeping device of elevator door machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320119132 CN2663381Y (en) | 2003-12-12 | 2003-12-12 | Door opening force keeping device of elevator door machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2663381Y true CN2663381Y (en) | 2004-12-15 |
Family
ID=34347602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320119132 Expired - Lifetime CN2663381Y (en) | 2003-12-12 | 2003-12-12 | Door opening force keeping device of elevator door machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2663381Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839786A (en) * | 2010-05-18 | 2010-09-22 | 广东省特种设备检测院 | Simulated wind pressure detection device and method for elevator door system |
| CN101205039B (en) * | 2007-12-05 | 2011-05-25 | 广州日立电梯有限公司 | Elevator opened and closed door maintaining device |
| US8041285B2 (en) | 2006-09-11 | 2011-10-18 | Sharp Kabushiki Kaisha | Moving member holding mechanism, paper feeding device, and image forming apparatus |
| CN113682929A (en) * | 2021-08-31 | 2021-11-23 | 日立电梯（中国）有限公司 | Door opening maintaining system applicable to elevator |
-
2003
- 2003-12-12 CN CN 200320119132 patent/CN2663381Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8041285B2 (en) | 2006-09-11 | 2011-10-18 | Sharp Kabushiki Kaisha | Moving member holding mechanism, paper feeding device, and image forming apparatus |
| CN101205039B (en) * | 2007-12-05 | 2011-05-25 | 广州日立电梯有限公司 | Elevator opened and closed door maintaining device |
| CN101839786A (en) * | 2010-05-18 | 2010-09-22 | 广东省特种设备检测院 | Simulated wind pressure detection device and method for elevator door system |
| CN101839786B (en) * | 2010-05-18 | 2012-01-11 | 广东省特种设备检测院 | Simulated wind pressure detection device and method for elevator door system |
| CN113682929A (en) * | 2021-08-31 | 2021-11-23 | 日立电梯（中国）有限公司 | Door opening maintaining system applicable to elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131212 Granted publication date: 20041215 |