Safety bolt device for elevator without machine room
By combining the support plate and limit switch of the machine room-less elevator safety pin device, the distinction between left and right structures is eliminated, solving the problems of complex assembly and high cost in the existing technology, and achieving the effect of simplifying production and installation.
Patent Information
- Application Number
- CN202520708043.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-15
AI Technical Summary
Existing safety latch devices for machine-room-less elevators are prone to misinstallation when distinguishing between left and right structures, are complex to produce and costly, and are inconvenient to assemble.
A machine room-less elevator safety pin device was designed, which adopts a combination structure of support plate, limit switch, switch action shaft and fixed shaft. The elevator operation status is controlled by the cooperation of switch action shaft and limit switch, eliminating the distinction between left and right structures and simplifying production and installation.
It achieves a simple structure and strong versatility, reduces production and installation costs, and improves assembly convenience.
Smart Images
Figure CN223950537U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator maintenance technical field especially relates to a kind of inorganic room elevator safety bolt device. BACKGROUND
[0002] The current inorganic room elevator safety bolt device as shown in Fig. 1-2 It includes multiple structures, and the structure of the inorganic room elevator safety bolt device has a structure component for distinguishing left and right, which is easy to assemble incorrectly, and due to the difference between the left and right components, the corresponding left and right components need to be produced during production, which is complex in production process and high in cost, and inconvenient to assemble. UTILITY MODEL CONTENT
[0003] The utility model solves the technical problems of overcoming the defects of the prior art, and provides an inorganic room elevator safety bolt device, which solves the problem of distinguishing left and right components in traditional inorganic room safety bolt device, and optimizes the structure to make it more convenient for production, processing, installation and use.
[0004] To solve the above technical problems, the utility model adopts the technical scheme of an inorganic room elevator safety bolt device, which comprises a support plate fixedly arranged, a limit switch for controlling the operation of the elevator is fixedly arranged in the support plate, a switch action shaft is movably fixed on the limit switch, the switch action shaft can contact the limit switch to control the on-off of the limit switch.
[0005] Further, the switch action shaft is fixedly sleeved on the fixed shaft, the support plate comprises a first bending section, a fixed section and a second bending section, the first bending section and the second bending section are arranged perpendicularly based on the edges of the fixed section, the fixed shaft penetrates the first bending section and the second bending section and is movably fixed on the support plate, the limit switch is fixedly arranged on the fixed section, and the switch action shaft is located between the first bending section and the second bending section.
[0006] Further, a handle fixing frame is fixedly arranged on the side of the first bending section away from the second bending section, a limit slot is fixedly arranged on the handle fixing frame, and a handle is fixedly arranged on the end of the fixed shaft close to the handle fixing frame, the handle can be embedded in the limit slot.
[0007] Further, the limit slot comprises a first limit slot and a second limit slot, when the handle is fixed in the second limit slot, the switch action shaft is in close contact with the limit switch.
[0008] Further, a lock ladder locking plug plate is fixed on the car main guide rail, and a long hole for inserting a fixing shaft is formed on the lock ladder locking plug plate.
[0009] Compared with the prior art, the beneficial effects of the utility model include: the position cooperation of the switch action shaft arranged on the fixing shaft and the limit switch is used for regulating the on-off state of the limit switch, so that the running state of the elevator is regulated, the regulation is completed by only driving the switch action shaft to move by the fixing shaft, the bolt device is arranged according to the main guide rail of the car, there is no symmetrical structure distinguishing left and right structures, the structure is simple, the universality is strong, the installation is convenient, and the manufacturing cost of the machine room free safety bolt device is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0010] The disclosure of the utility model will be explained with reference to the drawings. It should be understood that the drawings are only for illustrative purposes, and are not intended to limit the protection scope of the utility model. In the drawings, the same reference signs are used to refer to the same parts. Among them:
[0011] Fig. 1 The front view structure of the prior art machine room free elevator safety bolt device is schematically shown;
[0012] Fig. 2 The top view structure of the prior art machine room free elevator safety bolt device is schematically shown;
[0013] Fig. 3 The front view structure of the machine room free elevator safety bolt device is schematically shown,
[0014] Fig. 4 The top view structure of the machine room free elevator safety bolt device is schematically shown.
[0015] Reference signs in the drawings: 1 - fixing shaft, 2 - handle, 3 - handle fixing frame, 4 - switch action shaft, 5 - support plate, 6 - limit switch, 7 - lock ladder locking plug plate. DETAILED DESCRIPTION
[0016] It is easy to understand that according to the technical scheme of the utility model, a person skilled in the art can propose a plurality of structure modes and implementation modes which can be replaced with each other without changing the essential spirit of the utility model. Therefore, the following specific embodiments and drawings are only exemplary description of the technical scheme of the utility model, and should not be regarded as the whole or regarded as the limitation or restriction of the technical scheme of the utility model.
[0017] Fig. 3 The front view structure of the machine room free elevator safety bolt device is schematically shown, Fig. 4 The top view structure of the machine room free elevator safety bolt device is schematically shown, a machine room free elevator safety bolt deviceFig. 3-4 As shown, including a fixed support plate 5, in the support plate 5 is fixedly provided with a limit switch 6 for regulating the elevator operation or not, based on the limit switch 6 is movably fixed with a switch action shaft 4, the switch action shaft 4 can be in contact with the limit switch 6, for regulating the on-off of the limit switch 6. By regulating the position of the aforementioned switch action shaft 4 above the limit switch 6, thereby completing the adjustment of the limit switch 6 on-off.
[0018] It is worth mentioning that, as Fig. 4 shown, in order to regulate the position of the aforementioned switch action shaft 4, the switch action shaft 4 is fixedly provided on the fixed shaft 1, the aforementioned support plate 5 includes a first bending section, a fixed section and a second bending section, the first bending section and the second bending section are vertically arranged based on the edge of the fixed section, thereby forming an open U-shaped cross-section support plate 5, the fixed shaft 1 is movably fixed on the support plate 5 by penetrating the first bending section and the second bending section, and the limit switch 6 is fixedly provided on the fixed section, the switch action shaft 4 is located between the first bending section and the second bending section, on the one hand, the first bending section and the second bending section can limit the movement range of the switch action shaft 4, on the other hand, the first bending section and the second bending section can facilitate the movable fixing of the fixed shaft 1.
[0019] As Fig. 4 shown, in order to fix the position of the aforementioned switch action shaft 4 and the fixed shaft 1, a handle fixed frame 3 is fixedly provided on the side of the aforementioned first bending section away from the second bending section, a limit slot is fixedly provided on the handle fixed frame 3, a handle 2 is fixedly provided on the fixed shaft 1 close to the handle fixed frame 3, and the handle 2 can be embedded in the limit slot. The aforementioned limit slot includes a first limit slot and a second limit slot, when the handle 2 is fixed in the second limit slot, the switch action shaft 4 is in close contact with the limit switch 6, at this time the limit switch 6 is in the off state, and the elevator cannot move; when the handle 2 is fixed in the first limit slot, the switch action shaft 4 is separated from the limit switch 6, at this time the limit switch 6 is in the on state, and the elevator can operate normally.
[0020] It is worth mentioning that, it also includes a lock-in locking plug 7, the lock-in locking plug 7 is fixed on the car main guide rail, a long hole is provided on the lock-in locking plug 7 for the insertion of the fixed shaft 1, when the handle 2 is fixed in the second limit slot, the part of the fixed shaft 1 away from the handle 2 is embedded in the aforementioned long hole, so as to adapt to the movable position of the fixed shaft 1, and at the same time complete the limiting of the fixed shaft 1.
[0021] The aforementioned machine roomless elevator safety bolt device can be arranged on any one side of the elevator shaft, and no structure related to distinguishing left and right is involved, so when assembling, the cooperation relationship of the limit switch 6, the fixed shaft 1 and the switch action shaft 4 is fixed, which facilitates factory assembly and saves manufacturing and installation costs.
[0022] The technical scope of the utility model is not limited to the content in the foregoing description, and those skilled in the art can make various deformations and modifications to the foregoing embodiments without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.
Claims
1. A machine room less elevator safety latch device, characterized by, The utility model provides an elevator limit switch, which comprises a fixed support plate (5), a limit switch (6) for regulating whether the elevator operates is fixedly arranged in the support plate (5), a switch action shaft (4) is movably fixed on the limit switch (6), the switch action shaft (4) can contact the limit switch (6), and the limit switch (6) is regulated on and off.
2. The machine room less elevator safety catch device of claim 1, wherein, The switch action shaft (4) is fixedly sleeved on a fixed shaft (1), the support plate (5) comprises a first bending section, a fixed section and a second bending section, the first bending section and the second bending section are arranged perpendicularly based on the edges of the fixed section, the fixed shaft (1) penetrates through the first bending section and the second bending section and is movably fixed on the support plate (5), the limit switch (6) is fixedly arranged on the fixed section, and the switch action shaft (4) is located between the first bending section and the second bending section.
3. The machine room less elevator safety catch device of claim 2, wherein, A handle fixing frame (3) is fixedly arranged on the side of the first bending section away from the second bending section, a limit groove is fixedly arranged on the handle fixing frame (3), a handle (2) is fixedly arranged on one end of the fixed shaft (1) close to the handle fixing frame (3), and the handle (2) can be embedded in the limit groove.
4. The machine room less elevator safety catch device of claim 3, wherein, The limit groove comprises a first limit groove and a second limit groove, when the handle (2) is fixed in the second limit groove, the switch action shaft (4) is in close contact with the limit switch (6).
5. The machine room less elevator safety catch device of claim 1, wherein, Further comprising a lock ladder locking plug-in plate (7), the lock ladder locking plug-in plate (7) is fixed on the car main guide rail, and a long hole for inserting the fixed shaft (1) is formed in the lock ladder locking plug-in plate (7).