Auxiliary locking structure of lift car
By installing a retractable locking pin on the car and engaging it with a locking sleeve, the problem of misalignment between the car door and the landing door is solved, improving the safety of elevators or suspended platforms when entering and exiting.
Patent Information
- Application Number
- CN202423230195.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In cases where existing elevators or suspended platforms suddenly drop while entering or exiting the car, the car door and landing door are prone to shifting, which can lead to injury to people or goods, especially when loaded with heavy objects.
A retractable locking shaft is installed on the car. The locking shaft cooperates with the locking sleeve on the vertical track to lock the car when it is aligned with the landing door. The retraction and extension movement of the locking shaft is driven by the limiting sleeve and the electric push rod.
It achieves accurate positioning of the car when it stops, improves safety during entry and exit, and reduces the risk of falling.
Smart Images
Figure CN223752205U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator safety technical field especially, it relates to a car auxiliary locking structure. BACKGROUND
[0002] Elevator, basket are vertical lift with motor power, for multilayer building person or carry goods. In order to guarantee the operation safety, the car of general vertical elevator or basket is equipped with anti-falling device, mainly by speed limiter, safety tongs and the buffer at the bottom of shaft etc. device realizes. Once the car overspeed drops, the speed limiter will first let the drive host stop running, if the host still does not stop, the speed limiter will lift the safety tongs and make it clamp the guide rail, and the car stops on the guide rail, in addition, if directly impacting the buffer within a certain speed, the car will stop.
[0003] However, if sudden drop occurs when entering or exiting the car, even with these anti-falling devices, the car still has a certain amount of drop displacement, and the offset between the car door and the landing door can cause injury to people or goods, especially when heavy objects are loaded or unloaded, the car stays for a long time, which increases the risk of falling. SUMMARY
[0004] The utility model discloses a car auxiliary locking structure to solve the problem mentioned in the above background technology, realize the locking of the car when the car stays, and improve the safety.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A car auxiliary locking structure, comprising a shaft and a car body, a vertical rail for lifting and moving the car body is arranged in the shaft, wherein the car body is provided with an extendable shaft, a plurality of lock sleeves are arranged on the vertical rail, the lock sleeves correspond one-to-one to landing doors of different heights, when the shaft is aligned with any lock sleeve and the shaft is inserted into the lock sleeve, the car door of the car body is aligned with the corresponding landing door and the position of the car body is locked.
[0007] As an optional solution, two vertical rails are arranged on the two sides of the car body respectively, four vertical rails correspond to the arrangement of four shafts, and the four shafts are distributed at the bottom corners of the car body.
[0008] As an optional solution, four limiting sleeves are arranged at the bottom of the car body, the four shafts are correspondingly arranged in the four limiting sleeves, and the four shafts are driven by a driving member to move axially in the corresponding limiting sleeves.
[0009] As an alternative, the two clamping shafts on the same side of the compartment are connected through linkage rods, and the driving member is an electric push rod, the two linkage rods are connected through the electric push rod, and the electric push rod is used to drive the four clamping shafts to all extend outward or all retract inward.
[0010] As an alternative, a convex ring is arranged on each clamping shaft, and the convex ring is limited by the inner side end of the corresponding limiting sleeve to limit the stroke of each clamping shaft extending outward.
[0011] As an alternative, the bottom of the compartment is provided with a plurality of baffles, and the baffles are located between the two linkage rods to limit the stroke of each clamping shaft retracting inward.
[0012] The beneficial effects of the utility model are:
[0013] The car auxiliary locking structure is provided with the clamping shaft on the compartment, the clamping shaft can be matched and locked with the lock sleeve on the vertical rail, the position of the compartment is locked when the compartment is aligned and stopped with any layer door, thereby providing additional safety guarantee and improving the safety in the process of entering and exiting the compartment. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is the front view of the car auxiliary locking structure provided by the utility model embodiment;
[0015] Figure 2 is the top view of the car auxiliary locking structure provided by the utility model embodiment.
[0016] IN THE DRAWINGS:
[0017] 1, compartment; 2, vertical rail; 3, clamping shaft; 4, lock sleeve; 5, limiting sleeve; 6, driving member; 7, linkage rod; 8, convex ring; 9, baffle. DETAILED DESCRIPTION
[0018] The utility model will be further described in detail in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.
[0019] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0020] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include direct contact between the first and second features, or indirect contact between the first and second features through another feature therebetween. Moreover, the first feature "on", "above" and "over" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "under", "below" and "under" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.
[0021] In the description of the present application, the terms "up", "down", "left", "right" and other orientation or position relationships are based on the orientation or position relationships shown in the drawings, which are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0022] In addition, the terms "first", "second", etc. are only used for differentiation in description and have no special meaning.
[0023] Please refer to Figure 1 and Figure 2 As shown in the drawings, the present application provides a kind of car auxiliary locking structure, including shaft and car body 1, shaft is provided with the vertical rail 2 for the car body 1 lifting movement in it, wherein, the car body 1 is provided with the telescopic axle 3, the vertical rail 2 is provided with several lock sleeves 4, lock sleeve 4 and different height layer door one to one correspondence, when axle 3 is aligned with any lock sleeve 4 and axle 3 is inserted into lock sleeve 4, the car door of car body 1 is aligned with the corresponding layer door and the position of car body 1 is locked.
[0024] Therefore, by setting axle 3 at the bottom of car body 1, axle 3 can cooperate with lock sleeve 4 on the vertical rail 2 to lock, realize the position of car body 1 is locked when car body 1 is aligned with any layer door to stop, thereby providing additional security, improve the safety during entering and exiting car body 1.
[0025] Optionally, two sides of car body 1 are provided with two vertical rails 2 respectively, four vertical rails 2 are provided with four axles 3, and four axles 3 are distributed at the bottom of car body 1.
[0026] It should be noted that the vertical rail 2 and the car body 1 here are both existing structures, and only need to add axle 3 and lock sleeve 4 on the basis of the existing structure, thereby reducing the modification cost.
[0027] Further, the bottom of the compartment 1 is provided with four limiting sleeves 5, and the four clamping shafts 3 are correspondingly arranged in the four limiting sleeves 5 and are driven by the driving member 6 to move axially in the corresponding limiting sleeves 5.
[0028] Therefore, the clamping shafts 3 are installed on the compartment 1 by the limiting sleeves 5, and the extension and retraction actions of the clamping shafts 3 are accurate.
[0029] Optionally, the two clamping shafts 3 on the same side of the compartment 1 are connected by a linkage rod 7, the driving member 6 is an electric push rod, the two linkage rods 7 are connected by the electric push rod, and the electric push rod is used to drive the four clamping shafts 3 to extend outwards or retract inwards.
[0030] Therefore, the electric push rod drives the linkage rods 7 to drive the four clamping shafts 3 to move, and the number of the driving member 6 is reduced; in addition, the four clamping shafts 3 do not need to move synchronously, and when the clamping shaft 3 on one side is in place, the clamping shaft 3 on the other side will also be in place as the electric push rod continues to extend.
[0031] Further, the clamping shaft 3 is provided with a protruding ring 8, and the protruding ring 8 is limited by the inner side end of the corresponding limiting sleeve 5 to limit the extension stroke of the clamping shaft 3.
[0032] Therefore, the extension amount of each clamping shaft 3 is limited, so that each lock sleeve 4 can be accurately inserted or withdrawn, and the locking and unlocking functions of the compartment 1 are accurate and rapid.
[0033] Further, the bottom of the compartment 1 is provided with a plurality of baffles 9, and the baffles 9 are located between the two linkage rods 7 to limit the retraction stroke of the clamping shaft 3.
[0034] Therefore, the accurate action of the clamping shaft 3 is ensured, the clamping shaft 3 is prevented from being pulled out of the limiting sleeve 5, and the clamping shaft 3 on the other side can be retracted after the electric push rod is shortened.
[0035] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled persons in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.
Claims
1. Car auxiliary locking structure comprising a shaft and a car body (1), said shaft being provided with vertical rails (2) for the lifting movement of said car body (1), characterized in that, The compartment (1) is provided with telescopic clamping shafts (3), the vertical rails (2) are provided with a plurality of lock sleeves (4), the lock sleeves (4) correspond to layer doors of different heights one by one, when the clamping shaft (3) is aligned with any lock sleeve (4) and the clamping shaft (3) is inserted into the lock sleeve (4), the compartment door of the compartment (1) is aligned with the corresponding layer door and the position of the compartment (1) is locked.
2. The car-assist locking structure according to claim 1, characterized by, Two vertical rails (2) are respectively arranged on the two sides of the compartment (1), four clamping shafts (3) are arranged corresponding to the four vertical rails (2), and the four clamping shafts (3) are distributed at the four corners of the bottom of the compartment (1).
3. The car-assist locking structure according to claim 2, characterized by, The bottom of the compartment (1) is provided with four limiting sleeves (5), the four clamping shafts (3) are correspondingly arranged in the four limiting sleeves (5), and the four clamping shafts (3) are driven by driving members (6) to move axially in the corresponding limiting sleeves (5).
4. The car-assist locking structure according to claim 3, characterized by, The two clamping shafts (3) on the same side of the compartment (1) are connected by linkage rods (7), the driving member (6) is an electric push rod, the two linkage rods (7) are connected by the electric push rod, and the electric push rod is used to drive the four clamping shafts (3) to all extend outward or all retract inward.
5. The car-assist locking structure according to claim 4, characterized by, A convex ring (8) is arranged on each clamping shaft (3), the convex ring (8) is limited by the inner side end of the corresponding limiting sleeve (5) to limit the stroke of each clamping shaft (3) extending outward.
6. The car-assist locking structure according to claim 4, characterized by, The bottom of the compartment (1) is provided with a plurality of baffles (9), the baffles (9) are located between the two linkage rods (7) to limit the stroke of each clamping shaft (3) retracting inward.