CN202808140U - Elevator door lock with limiting lining - Google Patents
Elevator door lock with limiting lining Download PDFInfo
- Publication number
- CN202808140U CN202808140U CN 201220522909 CN201220522909U CN202808140U CN 202808140 U CN202808140 U CN 202808140U CN 201220522909 CN201220522909 CN 201220522909 CN 201220522909 U CN201220522909 U CN 201220522909U CN 202808140 U CN202808140 U CN 202808140U
- Authority
- CN
- China
- Prior art keywords
- lining
- latch hook
- door lock
- elevator
- support
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to an elevator door lock with a limiting lining. Excessive displacement of the existing elevator door lock is limited by impacting between a limiting bolt and a support. The elevator door lock with the limiting lining comprises the support, a movable lock hook, a spiral spring and the limiting bolt. An upper lining and a lower lining are arranged at two ends of the spiral spring. The lower lining comprises a sleeve which comprises a supporting section and a fixing section. The movable lock hook limits the displacement by impacting and conflicting of the supporting section and the upper lining. By adding to the sleeve, the movable connecting type between the lower lining and the support is improved to a fixed connecting type with position relative fixed, the spiral spring is guaranteed for always being on a working position under the limiting effect of the lining, a structure of limiting swing range of the movable lock hook is improved from a type of mutual conflicting and fitting of the limiting bolt and the support to a type of mutual conflicting and fitting of the supporting section of the lower lining and the upper lining. An unlocking rod is guaranteed for always being on an unlocking station and safety performance of an elevator is improved.
Description
Technical field
The utility model relates to a kind of door lock of elevator with limiting bush, relates to the vertical lift elevator field.
Background technology
Existing vertical lift elevator generally comprises car, the actuating device for load and the elevator door that cooperates with car, elevator door comprises and is installed in the inside door on the car and is installed in external door on each floor, when car arrives designated floor, inside door drives external door and opens together, realizes that car is communicated with floor passage.
Can not cause the accident because of the accident unlatching in order to ensure external door, generally can the door lock that one cover is subjected to interior gate control be installed at the elevator external door, comprise support, be rotatably connected to the movable latch hook on the support, by the coil spring of screw rod cross-under on movable latch hook, be located on the movable latch hook and with the caging bolt of trip lever and with the stay hook of described movable latch hook coupling snapping, helical spring both sides are equipped with the plate-like lining, and placed fixing from the middle part by a screw rod, door lock of elevator concerns by the folding that inside door moves to control between movable latch hook and stay hook, and by the coil spring snapping that resets, and the movable latch hook that rotates is used for limiting rotation range by the holding between caging bolt and support.There is following defective in the door lock of elevator of this structure: all leave the free gap between the screw rod that 1, places and each part on it, because screw rod one end is connected with the support of fixing, the other end is along with the movable latch hook that swings moves together, so that screw rod swings in the free gap and clashes into each part, and all can relatively move between coil spring, lining and movable latch hook, so that coil spring departs from control position under the bump of screw rod, cause potential safety hazard easily; 2, caging bolt provides constraints to the hunting range of movable latch hook, when movable latch hook amplitude of fluctuation is larger, movable latch hook clashes into to limit its amplitude of fluctuation by the conflict of caging bolt and support, and frequent bump causes easily being connected between caging bolt and movable latch hook and becomes flexible between caging bolt and support, and so that trip lever departs from control position, thereby the potential safety hazard of staying, impact is to stranded fault elevator personnel's rescue; 3, bump all can produce the operation noise between each part of caging bolt and support bump, the screw rod that swings and cross-under on it.
The utility model content
In order to solve the deficiencies in the prior art, it is a kind of to the coil spring effective location and with the door lock of elevator of limiting bush, further purpose of the present utility model provides a kind of guarantee trip lever effective location and the less door lock of elevator of noise that the utility model provides.
The utility model is realized 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 the support, placed the coil spring that is connected on the support by screw rod, be located on the movable latch hook and with the caging bolt of trip lever and with the stay hook of described movable latch hook coupling snapping, described coil spring two ends are covered with respectively upper lining and the lower lining of middle part tape punching, described screw rod passes support successively, movable latch hook, lower lining, coil 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 that is plugged in the described coil spring places the canned paragraph that is fixed on the described movable latch hook, and described movable latch hook conflicts limiting displacement by the collision between supporting section and upper lining.Set up a sleeve pipe at the lower lining of original door lock structure, lower lining is planted by the canned paragraph of its sleeve pipe and is fixed on the movable latch hook, movable connection method between lower lining and support in the original structure is improved to the relatively-stationary affixed mode in position, so that lower lining can not depart from because of the bump of screw rod control position, and then guarantee that coil spring is on the control position all the time under the lining position-limiting action, in addition, effectively reduce the noise that produces because of bump 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 is understood and movable latch hook moves together and cooperate together compression coil spring of lining, along with the spacing between lining up and down reduces gradually, the 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 originally being improved to by the mutual mode that cooperates of conflict between lower lining supporting section and upper lining by mutually the conflict mode that cooperates of caging bolt and support, it is loosening to prevent that caging bolt from connecting because frequent bump produces, guarantee that effectively trip lever is in the release station all the time, trip lever can normally use when guaranteeing that elevator breaks down, and improves the safety performance of elevator.
As preferably, described upper lining and lower lining all comprise the disk body that a marginal belt flanging and middle part have perforation, described disk body and flanging surround one with the inner cavity of described coil spring coupling, described lower lining hole dimension is mated with described casing inner diameter size.Described upper lining and lower lining pass through disk body support coil spring, and by the flanging at disk body edge coil spring are played position-limiting action, prevent that effectively coil spring from departing from normal station because of the screw rod bump; Described lower lining hole dimension and described casing inner diameter size coupling, and form integral piece, so that the smooth inner chamber wall of sleeve pipe can evenly be offset the application force that the screw rod bump brings, thereby reduce wearing and tearing and noise.
As preferably, described screw rod is set in the described sleeve pipe, and leaves between described screw rod and described internal surface of sleeve pipe and swing the gap.The supporting section of sleeve pipe namely plays the effect of restraint latch hook hunting range between screw rod and coil spring, also with screw rod and coil spring isolation, play preventing that coil spring from departing from the effect of normal station because of the screw rod bump; Movable latch hook can drive screw rod when doing swing and do together nonlinear motion, swings the gap and provides the 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 the helical spring effect and can returns back to the initial position, comes the restraint latch hook to reply excessively by the position limiting convex ring on the support, guarantees that the active lock hook returns back to predeterminated position; Position limiting convex ring is arranged on the 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 is than the close support of small end; larger end is away from support, and screw rod is to do wobbling action as the center of circle with movable latch hook with the support coupling end, and the amplitude of fluctuation of screw rod can be along with enlarging away from the 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 also disappearance in movable latch hook, prevents that effectively lower lining from because of canned paragraph and the inconsistent displacement of position limiting convex ring, guaranteeing that coil spring is positioned at normal station all the time.
As preferably, described lower lining is plastic material.Utilize the characteristics that plastic material intensity is high, ductility is good, can guarantee lower lining effective location coil spring, and cooperate control activity latch hook hunting range with upper lining, can also reduce the screw rod bump and the noise of generation.
The beneficial effects of the utility model: set up a sleeve pipe that comprises canned paragraph and supporting section at the lower lining of original structure door lock, movable connection method is improved to the fixing affixed mode of plant of relative position between lining and support with descending in the original structure, so that lower lining can not depart from because of the bump of screw rod control position, and then guarantee that coil spring is on the control position all the time under the lining position-limiting action, in addition, with the structure of restraint latch hook hunting range by originally being improved to by the mutual mode that cooperates of conflict between lower lining supporting section and upper lining by mutually the conflict mode that cooperates of caging bolt and support, the trip lever of effectively guaranteeing to be connected on the caging bolt is in the release station all the time, trip lever can normally use when guaranteeing that elevator breaks down, and improves the safety performance of elevator; This structure has also effectively reduced the noise that bump produces between each part of the swing of restraint latch hook and screw rod and cross-under on it, Effective Raise elevator comfort.
Description of drawings
Fig. 1 is the utility model semi-sictional view structural representation;
Fig. 2 is that the utility model is in unlocking condition semi-sictional view 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 scheme drawing;
Among the figure: 1, support, 2, movable latch hook, 3, screw rod, 4, coil 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 the gap, 16, position limiting convex ring, 17, inner chamber.
The specific embodiment
Below in conjunction with specification drawings and specific embodiments substantive distinguishing features of the present utility model 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 the support 1, placed the coil spring 4 that is connected on the support 1 by screw rod 3, be located on the movable latch hook 2 and with the caging bolt 6(of trip lever 5 as shown in Figure 5) and with the stay hook 7 of described movable latch hook 2 coupling snappings, described coil 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 passes support 1 successively, movable latch hook 2, lower lining 9, coil 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 sections 11 and in the described coil spring 4 and places the canned paragraph 12(that is fixed on the described movable latch hook 2 as shown in Figure 3), described movable latch hook 2 conflicts limiting displacement by the collision of 8 of supporting section 11 and upper linings; Described upper lining 8 and lower lining 9 all comprise the disk body (as shown in Figure 4) that a marginal belt flanging 13 and middle part have perforation 14, described disk body and flanging 13 surround one with the inner cavity of described coil spring 4 couplings, described lower lining 9 perforation 14 sizes are mated with described sleeve pipe 10 internal diameter sizes; Described screw rod 3 is set in the described sleeve pipe 10, and leaves swing gap 15 between described screw rod 3 and described sleeve pipe 10 inwalls; 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 utility model is realized action by following steps:
1, when cage operation during to designated floor, inside door is opened, and drive activity latch hook 2 swings;
2, movable latch hook 2 upwards swings, so that coil spring 4 is compressed under the clamping action of movable latch hook 2 and screw rod 3;
3, after movable latch hook 2 is rocked to certain amplitude, supporting section 11 end faces of lining 9 are conflicted on the disk body of lining 8 on its opposite side under coil spring 4 one sides, so that forming the rigidity conflict, 9 of upper lining 8 and lower linings support, at this moment, coil spring 4 no longer is subjected to force compresses, and movable latch hook 2 breaks away from (as shown in Figure 2) with stay hook 7, guarantees that the elevator external door opens smoothly;
4, when inside door is closed, the movable latch hook 2 that loses propulsive effort backswing under the effect of coil spring 4 restoring forces and is used for spacing by the conflict with position limiting convex ring 16 to initial position.
In concrete operations, screw rod 3 one ends 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, coil spring 4 and upper lining 8 successively by a threaded end, and fix by the nut that is spirally connected, also can place smoothly oppositely assembling by above-mentioned, also can realize placing the purpose of each part, and utilize latch or other modes to fix, also should be considered as specific embodiment of the utility model.
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 that projection is set the purpose of restraint latch hook 2 hunting ranges, also should be considered as specific embodiment of the utility model.
In concrete operations, lower lining 9 is plastic material, also can for other material that can effectively reduce the noise that 3 of lower lining 9 and screw rods produce because of bump, all should be considered as specific embodiment of the utility model.
Claims (8)
1. door lock of elevator with limiting bush, comprise support (1), be rotatably connected to the movable latch hook (2) on the support (1), placed the coil spring (4) that is connected on the support (1) by screw rod (3), be located at the upper and band trip lever (5) of movable latch hook (2) caging bolt (6) and with the stay hook (7) of described movable latch hook (2) coupling snapping, described coil 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) passes support (1) successively, movable latch hook (2), lower lining (9), coil 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 that is plugged in the described coil spring (4) places the canned paragraph (12) that is fixed on the described movable latch hook (2), and described movable latch hook (2) conflicts limiting displacement by 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 the disk body that a marginal belt flanging (13) and middle part have perforation (14), described disk body and flanging (13) surround one with the inner cavity of described coil spring (4) coupling, 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 the described sleeve pipe (10), and leaves swing gap (15) between described screw rod (3) and described sleeve pipe (10) inwall.
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 with flat top surface (16) 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 |
|---|---|---|---|
| CN 201220522909 CN202808140U (en) | 2012-10-12 | 2012-10-12 | Elevator door lock with limiting lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522909 CN202808140U (en) | 2012-10-12 | 2012-10-12 | Elevator door lock with limiting lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202808140U true CN202808140U (en) | 2013-03-20 |
Family
ID=47867061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220522909 Withdrawn - After Issue CN202808140U (en) | 2012-10-12 | 2012-10-12 | Elevator door lock with limiting lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202808140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897639A (en) * | 2012-10-12 | 2013-01-30 | 宁波昌隆机电有限公司 | Elevator door lock with limiting bushes |
| CN112547933A (en) * | 2020-11-24 | 2021-03-26 | 宁波昌隆机电有限公司 | Mold for machining lock hook |
-
2012
- 2012-10-12 CN CN 201220522909 patent/CN202808140U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897639A (en) * | 2012-10-12 | 2013-01-30 | 宁波昌隆机电有限公司 | Elevator door lock with limiting bushes |
| CN102897639B (en) * | 2012-10-12 | 2016-05-25 | 宁波昌隆机电有限公司 | A kind of door lock of elevator with limiting bush |
| CN112547933A (en) * | 2020-11-24 | 2021-03-26 | 宁波昌隆机电有限公司 | Mold for machining lock hook |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20160525 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |