CN102897639B - A kind of door lock of elevator with limiting bush - Google Patents
A kind of door lock of elevator with limiting bush Download PDFInfo
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- CN102897639B CN102897639B CN201210386659.6A CN201210386659A CN102897639B CN 102897639 B CN102897639 B CN 102897639B CN 201210386659 A CN201210386659 A CN 201210386659A CN 102897639 B CN102897639 B CN 102897639B
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- lining
- latch hook
- elevator
- support
- helical spring
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Abstract
The present invention relates to a kind of door lock of elevator with limiting bush. existing door lock of elevator carrys out spacing over-travel by the shock between caging bolt and support, and produces operation noise. the present invention includes support, movable latch hook, helical spring, caging bolt, helical spring two ends are provided with lining and lower lining, lower lining comprises a sleeve pipe, sleeve pipe comprises supporting section and canned paragraph, described movable latch hook is by the limiting displacement of conflicting of the collision between supporting section and upper lining, by setting up a sleeve pipe, movable connection method between lower lining and support is improved to the relatively-stationary affixed mode in position, guarantee helical spring under lining position-limiting action all the time on operating position, the structure of restraint latch hook hunting range is by being originally improved to by the mode that between lower lining supporting section and upper lining, conflict coordinates mutually by mutually the conflict mode that coordinates of caging bolt and support, effectively guarantee that trip lever is all the time in release station, improve the security performance of elevator.
Description
Technical field
The present invention relates to a kind of door lock of elevator with limiting bush, relate to vertical lift elevator field.
Background technology
Existing vertical lift elevator generally comprises for the car of load, drive unit and the elevator door that coordinates with car, elevator door comprises and is arranged on the inside door on car and is arranged on the external door on each floor, in the time that car arrives designated floor, inside door drives external door to open together, realizes car and is communicated with floor passage.
Can not cause the accident because of unexpected unlatching in order to ensure external door, a set of door lock that is subject to interior gate control generally can be installed on elevator external door, comprise support, be rotatably connected to the movable latch hook on support, helical spring by screw rod cross-under on movable latch hook, be located at the caging bolt on movable latch hook and with trip lever and mate the stay hook of snapping with described movable latch hook, helical spring both sides are equipped with plate-like lining, and placed fixing from middle part by a screw rod, door lock of elevator moves to control the folding relation between movable latch hook and stay hook by inside door, and by helical spring reset snapping, and the movable latch hook rotating is used for limiting rotation range by the holding between caging bolt and support. there is following defect in the door lock of elevator of this structure: between the screw rod 1, placing and the each part on it, all leaves free gap, because screw rod one end is connected with fixing support, the other end is along with the movable latch hook swinging moves together, screw rod is swung in free gap and clash into each part, and all can relatively move between helical spring, lining and movable latch hook, easily make helical spring depart from operating position under the shock of screw rod, cause potential safety hazard, 2, caging bolt provides constraints to the hunting range of movable latch hook, in the time that movable latch hook amplitude of fluctuation is larger, movable latch hook clashes into limit its amplitude of fluctuation by the conflict of caging bolt and support, and frequent shock easily causes between caging bolt and movable latch hook being connected and becoming flexible between caging bolt and support, and make trip lever depart from operating position, thereby the potential safety hazard of staying, the rescue of impact to stranded fault elevator personnel, between the screw rod that 3, caging bolt and support clash into, swing and each part of cross-under on it, clash into and all can produce operation noise.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind ofly to helical spring effective location and the door lock of elevator with limiting bush, a further object of the present invention is to provide a kind of guarantee trip lever effective location and the less door lock of elevator of noise.
The present invention realizes in the following manner: a kind of door lock of elevator with limiting bush, comprise support, be rotatably connected to the movable latch hook on support, placed the helical spring being connected on support by screw rod, be located at the caging bolt on movable latch hook and with trip lever and mate the stay hook of snapping with described movable latch hook, described helical spring two ends are covered with respectively upper lining and the lower lining of middle part tape punching, described screw rod is successively through support, movable latch hook, lower lining, helical spring and upper lining also grip by nut, described lower lining comprises that one vertically places sleeve pipe in the middle, described sleeve pipe comprises that a supporting section and being plugged in described helical spring places the canned paragraph being fixed on described movable latch hook, described movable latch hook is by the limiting displacement of conflicting of the collision between supporting section and upper lining. on the lower lining of original door latch structure, set up a sleeve pipe, lower lining is planted and is fixed on movable latch hook by the canned paragraph of its sleeve pipe, movable connection method between lower lining and support in original structure is improved to the relatively-stationary affixed mode in position, make lower lining can not depart from operating position because of the shock of screw rod, and then guarantee helical spring under lining position-limiting action all the time on operating position, in addition, effectively reduce the noise producing because of shock between screw rod and lower lining, when movable latch hook is driven by inside door and rotates when excessive, the supporting section of lower lining sleeve pipe can move and coordinate upper lining compression helical spring together together with movable latch hook, along with the spacing between upper and lower lining reduces gradually, supporting section end face can be conflicted on upper lining, thereby prevent that movable latch hook from excessively swinging, the structure of restraint latch hook hunting range is by being originally improved to by the mode that between lower lining supporting section and upper lining, conflict coordinates mutually by mutually the conflict mode that coordinates of caging bolt and support, prevent that caging bolt from connecting because frequent shock produces loosening, effectively guarantee that trip lever is all the time in release station, while ensureing that elevator breaks down, trip lever can normally use, improve the security performance of elevator.
As preferably, described upper lining and lower lining all comprise a marginal belt flanging and middle part and have the disk body of perforation, and described disk body and flanging surround an inner cavity mating with described helical spring, and described lower lining hole dimension is mated with described casing inner diameter size. Described upper lining and lower lining pass through disk body support helical spring, and by the flanging at disk body edge, helical spring are played to position-limiting action, effectively prevent that helical spring from departing from normal station because screw rod clashes into; Described lower lining hole dimension is mated with described casing inner diameter size, and forms integral piece, makes inner chamber wall that sleeve pipe is smooth can evenly offset screw rod and clashes into the active force bringing, thereby reduce wearing and tearing and noise.
As preferably, described screw rod is set in described sleeve pipe, and between described screw rod and described internal surface of sleeve pipe, leaves and swing gap. The supporting section of sleeve pipe, between screw rod and helical spring, plays the effect of restraint latch hook hunting range, also by the isolation of screw rod and helical spring, plays and prevents that helical spring from clashing into the effect that departs from normal station because of screw rod; Movable latch hook can drive screw rod to do together nonlinear motion while swing, swings gap and provides teeter space for screw rod, guarantees that movable latch hook swings smoothly.
As preferably, described penetration hole diameter is less than described sleeve pipe external diameter. The end face of collar supports section can be conflicted on the disk body of upper lining, guarantees the hunting range of the conflict interaction energy restraint latch hook of upper and lower lining.
As preferably, described support is provided with a position limiting convex ring with flat top surface near described movable latch hook one side, and described position limiting convex ring is nested with on described screw rod by its inner chamber. The active lock of opening is hooked under helical spring effect and can returns back to home position, carrys out restraint latch hook reply excessively by the position limiting convex ring on support, guarantees that active lock hook returns back to predeterminated position; Position limiting convex ring is arranged on screw rod periphery, and guaranteeing can uniform stressed when movable latch hook is conflicted.
As preferably, the big up and small down column of the inner chamber of telling. Inner chamber compared with small end near support; larger end is away from support, and screw rod is to do wobbling action as the center of circle with movable latch hook with support link, and the amplitude of fluctuation of screw rod can be along with expanding away from center; described inner chamber is that screw rod is reserved with sufficient swing space, guarantees the smooth and easy swing of movable latch hook.
As preferably, described canned paragraph length is less than described backing thickness. The canned paragraph of lower lining is planted and is disappeared in movable latch hook, effectively prevents that lower lining from, because of canned paragraph and the inconsistent displacement of position limiting convex ring, guaranteeing that helical spring is positioned at normal station all the time.
As preferably, described lower lining is plastic material. Utilize the feature that plastic material intensity is high, ductility is good, can guarantee lower lining effective location helical spring, and coordinate control activity latch hook hunting range with upper lining, can also reduce screw rod and clash into and the noise of generation.
Outstanding beneficial effect of the present invention: set up a sleeve pipe that comprises canned paragraph and supporting section on the lower lining of original structure door lock, to in original structure, descend movable connection method between lining and support to be improved to the affixed mode of the fixing plant of relative position, make lower lining can not depart from operating position because of the shock of screw rod, and then guarantee helical spring under lining position-limiting action all the time on operating position, in addition, by the structure of restraint latch hook hunting range by being originally improved to by the mode that between lower lining supporting section and upper lining, conflict coordinates mutually by mutually the conflict mode that coordinates of caging bolt and support, effectively guarantee to be connected to trip lever on caging bolt all the time in release station, while ensureing that elevator breaks down, trip lever can normally use, improve the security performance of elevator, this structure has also effectively reduced between each part of the swing of restraint latch hook and screw rod and cross-under on it clashes into the noise producing, and effectively improves elevator comfort.
Brief description of the drawings
Fig. 1 is broken section structural representation of the present invention;
Fig. 2 is that the present invention is in unlocking condition broken section structural representation;
Fig. 3 is lower lining cross-sectional view;
Fig. 4 is that upper lining is looked up structural representation;
Fig. 5 is A-A ' cross section structure schematic diagram;
In figure: 1, support, 2, movable latch hook, 3, screw rod, 4, helical spring, 5, trip lever, 6, caging bolt, 7, stay hook, 8, upper lining, 9, lower lining, 10, sleeve pipe, 11, supporting section, 12, canned paragraph, 13, flanging, 14, perforation, 15, swing gap, 16, position limiting convex ring, 17, inner chamber.
Detailed description of the invention
Below in conjunction with specification drawings and specific embodiments, substantive distinguishing features of the present invention is further described.
A kind of door lock of elevator with limiting bush as shown in Figure 1, comprise support 1, be rotatably connected to the movable latch hook 2 on support 1, placed the helical spring 4 being connected on support 1 by screw rod 3, be located at caging bolt 6(on movable latch hook 2 and with trip lever 5 as shown in Figure 5) and mate the stay hook 7 of snapping with described movable latch hook 2, described helical spring 4 two ends are covered with respectively upper lining 8 and the lower lining 9 of middle part tape punching 14, described screw rod 3 is successively through support 1, movable latch hook 2, lower lining 9, helical spring 4 and upper lining 8 also grip by nut, described lower lining 9 comprises that one vertically places sleeve pipe 10 in the middle, described sleeve pipe 10 comprises that one is plugged on supporting section 11 and in described helical spring 4 and places the canned paragraph 12(that is fixed on described movable latch hook 2 as shown in Figure 3), described movable latch hook 2 is by the limiting displacement of conflicting of the collision between supporting section 11 and upper lining 8, described upper lining 8 and lower lining 9 all comprise a marginal belt flanging 13 and middle part and have the disk body (as shown in Figure 4) of perforation 14, described disk body and flanging 13 surround an inner cavity mating with described helical spring 4, and described lower lining 9 14 sizes of boring a hole are mated with described sleeve pipe 10 internal diameter sizes, described screw rod 3 is set in described sleeve pipe 10, and between described screw rod 3 and described sleeve pipe 10 inwalls, leaves swing gap 15, described perforation 14 diameters are less than described sleeve pipe 10 external diameters, described support 1 is provided with a position limiting convex ring 16 with flat top surface near described movable latch hook 2 one sides, and described position limiting convex ring 16 is nested with on described screw rod 3 by its inner chamber 17, the big up and small down column of the inner chamber of telling 17, described canned paragraph 12 length are less than described support 1 thickness, described lower lining 9 is plastic material.
The present invention realizes action by following steps:
1, when cage operation is during to designated floor, inside door is opened, and drive activity latch hook 2 swings;
2, movable latch hook 2 upwards swings, and makes helical spring 4 compressed under the clamping action of movable latch hook 2 and screw rod 3;
3, when movable latch hook 2 is rocked to after certain amplitude, under helical spring 4 one sides, supporting section 11 end faces of lining 9 are conflicted on its opposite side on the disk body of lining 8, making to form rigidity conflict between lining 8 and lower lining 9 supports, now, helical spring 4 is no longer subject to force compresses, and movable latch hook 2 departs from (as shown in Figure 2) with stay hook 7, guarantee that elevator external door opens smoothly;
4, in the time that inside door is closed, the movable latch hook 2 that loses driving force under the effect of helical spring 4 restoring forces backswing to initial position, and by being used for spacing with the conflict of position limiting convex ring 16.
In concrete operations, screw rod 3 one end are provided with nut, the other end is provided with the screw thread of the nut that can be spirally connected, screw rod 3 passes support 1, movable latch hook 2, lower lining 9, helical spring 4 and upper lining 8 successively by threaded one end, and fix by the nut that is spirally connected, also can oppositely assemble by above-mentioned placing smoothly, also can realize the object that places each part, and utilize latch or other modes to fix, also should be considered as specific embodiments of the invention.
In concrete operations, described support 1 is provided with a position limiting convex ring 16 with flat top surface near described movable latch hook 2 one sides, also can realize by the mode of projection is set the object of restraint latch hook 2 hunting ranges, also should be considered as specific embodiments of the invention.
In concrete operations, lower lining 9 is plastic material, also can, for other material that can effectively reduce the noise producing because of shock between lower lining 9 and screw rod 3, all should be considered as specific embodiments of the invention.
Claims (8)
1. the door lock of elevator with limiting bush, comprise support (1), be rotatably connected to the movable latch hook (2) on support (1), placed the helical spring (4) being connected on support (1) by screw rod (3), be located on movable latch hook (2) and be with the caging bolt (6) of trip lever (5) and mate the stay hook (7) of snapping with described movable latch hook (2), described helical spring (4) two ends are covered with respectively upper lining (8) and the lower lining (9) of middle part tape punching (14), described screw rod (3) is successively through support (1), movable latch hook (2), lower lining (9), helical spring (4) and upper lining (8) also grip by nut, it is characterized in that described lower lining (9) comprises that one vertically places sleeve pipe (10) in the middle, described sleeve pipe (10) comprises that a supporting section (11) and being plugged in described helical spring (4) places the canned paragraph (12) being fixed on described movable latch hook (2), described movable latch hook (2) is by the limiting displacement of conflicting of the collision between supporting section (11) and upper lining (8).
2. a kind of door lock of elevator with limiting bush according to claim 1, it is characterized in that described upper lining (8) and lower lining (9) all comprise a marginal belt flanging (13) and middle part and have the disk body of perforation (14), described disk body and flanging (13) surround an inner cavity mating with described helical spring (4), and described lower lining (9) perforation (14) size is mated with described sleeve pipe (10) internal diameter size.
3. a kind of door lock of elevator with limiting bush according to claim 1, is characterized in that described screw rod (3) is set in described sleeve pipe (10), and between described screw rod (3) and described sleeve pipe (10) inwall, leaves swing gap (15).
4. a kind of door lock of elevator with limiting bush according to claim 2, is characterized in that described perforation (14) diameter is less than described sleeve pipe (10) external diameter.
5. a kind of door lock of elevator with limiting bush according to claim 1, it is characterized in that described support (1) is provided with a position limiting convex ring (16) with flat top surface near described movable latch hook (2) one sides, described position limiting convex ring (16) is nested with on described screw rod (3) by its inner chamber (17).
6. a kind of door lock of elevator with limiting bush according to claim 5, is characterized in that the big up and small down column of described inner chamber (17).
7. a kind of door lock of elevator with limiting bush according to claim 1, is characterized in that described canned paragraph (12) length is less than described support (1) thickness.
8. a kind of door lock of elevator with limiting bush according to claim 2, is characterized in that described lower lining (9) is plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210386659.6A CN102897639B (en) | 2012-10-12 | 2012-10-12 | A kind of door lock of elevator with limiting bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210386659.6A CN102897639B (en) | 2012-10-12 | 2012-10-12 | A kind of door lock of elevator with limiting bush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102897639A CN102897639A (en) | 2013-01-30 |
| CN102897639B true CN102897639B (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210386659.6A Active CN102897639B (en) | 2012-10-12 | 2012-10-12 | A kind of door lock of elevator with limiting bush |
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| Country | Link |
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| CN (1) | CN102897639B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012756A (en) * | 2021-11-25 | 2022-02-08 | 江苏集萃智能制造技术研究所有限公司 | Intelligent food delivery robot |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549825A (en) * | 2009-05-05 | 2009-10-07 | 广东菱王电梯有限公司 | Elevator cage door lock |
| CN101575923A (en) * | 2009-06-12 | 2009-11-11 | 青岛精工电梯制造有限公司 | Elevator door lock device |
| CN201428311Y (en) * | 2009-06-23 | 2010-03-24 | 赵立国 | Safety door lock for elevator landing door |
| CN202808140U (en) * | 2012-10-12 | 2013-03-20 | 宁波昌隆机电有限公司 | Elevator door lock with limiting lining |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010163236A (en) * | 2009-01-14 | 2010-07-29 | Toshiba Elevator Co Ltd | Car door lock device for elevator |
-
2012
- 2012-10-12 CN CN201210386659.6A patent/CN102897639B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549825A (en) * | 2009-05-05 | 2009-10-07 | 广东菱王电梯有限公司 | Elevator cage door lock |
| CN101575923A (en) * | 2009-06-12 | 2009-11-11 | 青岛精工电梯制造有限公司 | Elevator door lock device |
| CN201428311Y (en) * | 2009-06-23 | 2010-03-24 | 赵立国 | Safety door lock for elevator landing door |
| CN202808140U (en) * | 2012-10-12 | 2013-03-20 | 宁波昌隆机电有限公司 | Elevator door lock with limiting lining |
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| Publication number | Publication date |
|---|---|
| CN102897639A (en) | 2013-01-30 |
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Effective date of registration: 20220607 Address after: 315806 No. 1, building 2, No. 2, ningchuanxi Road, Daqi, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Lilong Shengshi Electric Appliance Co.,Ltd. Address before: 315806 Dagan Town, Beilun Industrial Zone, Ningbo City, Zhejiang Province Patentee before: NINGBO CHANGLONG MACHINERY ELECTRONICS Co.,Ltd. |
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| TR01 | Transfer of patent right |