Elevator landing door structure
By introducing a bidirectional screw and a transverse adjustment mechanism into the elevator floor door structure, the adjustment of the width and height of the floor door is solved, and the problem that the existing elevator floor door structure cannot be adapted to elevator shafts of different sizes is improved, and the protection effect and safety of the elevator shaft are improved.
Patent Information
- Application Number
- CN202422086446.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-27
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-27
AI Technical Summary
The size of the existing elevator floor door structure is unadjustable, which makes it impossible to adapt in elevator shafts of different sizes, and there is a risk of gaps, which may cause the risk of elevator shaft falling.
An elevator floor door structure is designed, using a bidirectional screw and a transverse adjustment mechanism, which can adjust the width and height of the floor door. Synchronous adjustment is achieved through screws and synchronization belts to ensure the good matching between the floor door and the elevator shaft.
The elevator floor door structure can be suitable for elevator shafts of different sizes, avoid the existence of gaps, enhance the protection effect of elevator shafts, and reduce the risk of fall accidents.
Smart Images
Figure CN222907250U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevators, and specifically relates to an elevator landing door structure. Background Art
[0002] An elevator refers to a permanent transportation device that serves several specific floors in a building, and its car moves on at least two columns of rigid tracks perpendicular to the horizontal plane or with an inclination angle less than 15° with the plumb line. There are also step-type ones, where the tread plates are installed on the tracks and run continuously, commonly known as escalators or moving sidewalks. It is a fixed lifting device that serves the specified floors. A vertical lift elevator has a car that runs between at least two columns of vertical or inclined rigid guide rails with an inclination angle less than 15°. During the installation process of the elevator, it is first necessary to install a landing door structure on each floor for the protection of the elevator shaft to prevent people or objects from falling.
[0003] In the prior art, the installation of landing doors is mostly adapted to elevator shafts of different sizes, and the size of the landing doors is not adjustable, so the applicable range is relatively narrow. When some do not match the size of the elevator shaft, there are gaps between the door and the elevator shaft, which easily causes the risk of falling. Content of the Utility Model
[0004] (1) Technical Problems to be Solved
[0005] In view of the deficiencies of the prior art, the utility model provides an elevator landing door structure, which solves the problems raised in the above background art.
[0006] (2) Technical Solutions
[0007] To achieve the above purpose, the utility model provides the following technical solution: An elevator landing door structure includes a fixed frame and two groups of symmetrically distributed mounting seats slidably connected to the fixed frame. A bidirectional lead screw is arranged in the fixed frame, and both ends of the bidirectional lead screw respectively penetrate through the fixed frame and are rotatably connected to the fixed frame through bearings. Both ends of the bidirectional lead screw respectively penetrate through the two groups of mounting seats and are respectively threadedly connected to the two groups of mounting seats;
[0008] A transverse adjustment mechanism for adjusting the width of the landing door is arranged in the mounting seat. The transverse adjustment mechanism includes a plurality of adjustment seats slidably installed in the mounting seat. Fixed rods are fixedly installed on both of the two adjustment seats located on both sides, and support rods are fixedly installed on the plurality of adjustment seats located on the inner side. Connecting plates are fixedly installed between the fixed rods and the support rods and between adjacent support rods, and a longitudinal adjustment mechanism for adjusting the height of the landing door is arranged in the fixed rods and the support rods.
[0009] Preferably, the lateral adjustment mechanism further includes two groups of symmetrically distributed screw rods. The two ends of the two groups of screw rods respectively penetrate through the mounting seat and are rotatably connected to the mounting seat. The two groups of screw rods respectively penetrate through the outermost adjustment seats and are threadedly connected to the adjustment seats. Synchronous wheels are sleeved on the left ends of the two groups of screw rods. A synchronous belt is arranged in the mounting seat, and the synchronous belt is respectively in transmission connection with the two groups of synchronous wheels.
[0010] Preferably, two groups of cross-distributed connecting rods are arranged between adjacent two groups of the adjustment seats. The two groups of connecting rods are rotatably connected through a first slider. Second sliders are respectively rotatably installed at the two ends of the two groups of connecting rods, and the two groups of connecting rods are slidably connected to the corresponding adjustment seats through the second sliders.
[0011] Preferably, the longitudinal adjustment mechanism includes a sliding rod slidably connected to the support rod, and a first adjustment rod slidably connected to the fixed rod. A second adjustment rod is arranged in the first adjustment rod, and the second adjustment rod is slidably connected to the first adjustment rod. A threaded rod is arranged in the fixed rod, and a threaded tube is arranged in the first adjustment rod.
[0012] Preferably, the upper end of the threaded rod penetrates through the fixed rod and is rotatably connected to the fixed rod through a bearing. The lower end of the threaded rod penetrates through the first adjustment rod and is threadedly connected to the first adjustment rod. The upper end of the threaded tube penetrates through the first adjustment rod and is rotatably connected to the first adjustment rod through a bearing. The lower end of the threaded tube penetrates through the second adjustment rod and is threadedly connected to the second adjustment rod.
[0013] Preferably, two groups of symmetrically distributed limiting grooves are formed in the threaded rod. Two groups of symmetrically distributed limiting blocks are arranged in the threaded tube, and the limiting blocks are arranged corresponding to the limiting grooves. The threaded tube is slidably sleeved on the threaded rod through the limiting blocks.
[0014] (III) Beneficial effects
[0015] Compared with the prior art, the present utility model provides an elevator landing door structure, which has the following beneficial effects:
[0016] The width of the landing door is adjusted through the lateral adjustment mechanism, and the height of the landing door is adjusted through the provided longitudinal adjustment mechanism, so that the landing door structure is applicable to elevator shafts of different sizes. In the landing door structure, the connecting rod can be longitudinally and laterally extended as the fixed rod and the support rod are adjusted, ensuring that there are no large gaps in the protection of the landing door structure for the elevator shaft and avoiding the risk of accidental falling into the elevator shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application. In the drawings:
[0018] Figure 1This is a schematic diagram of the overall structure of the present utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the mounting seat of the present utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the lateral adjustment mechanism of the present utility model;
[0021] Figure 4 This is the present utility model Figure 3 Schematic enlarged view of the structure at position A;
[0022] Figure 5 This is a schematic diagram of the structure of the longitudinal adjustment mechanism of the present utility model;
[0023] Figure 6 This is the present utility model Figure 5 Schematic enlarged view of the structure at position B.
[0024] In the figure: 1, fixed frame; 2, mounting seat; 3, bidirectional lead screw; 4, connecting plate; 5, lateral adjustment mechanism; 501, adjustment seat; 502, connecting rod; 503, first slider; 504, second slider; 505, screw; 506, synchronous pulley; 507, synchronous belt; 6, fixed rod; 7, support rod; 8, longitudinal adjustment mechanism; 801, sliding rod; 802, first adjusting rod; 803, second adjusting rod; 804, threaded rod; 805, threaded tube; 806, limiting groove; 807, limiting block. Specific embodiments
[0025] The following will cooperate with the drawings and embodiments to detail the implementation manners of the present application, so as to fully understand how the present application uses technical means to solve technical problems and achieve the realization process of technical effects and implement accordingly.
[0026] Figures 1 - 6This is an embodiment of the present utility model. An elevator landing door structure includes a fixed frame 1 and two groups of symmetrically distributed mounting seats 2 slidably connected to the fixed frame 1. A bidirectional lead screw 3 is provided inside the fixed frame 1, and both ends of the bidirectional lead screw 3 penetrate through the fixed frame 1 and are rotatably connected to the fixed frame 1 through bearings. Both ends of the bidirectional lead screw 3 penetrate through the two groups of mounting seats 2 and are respectively threadedly connected to the two groups of mounting seats 2. A lateral adjustment mechanism 5 for adjusting the width of the landing door is provided inside the mounting seat 2. The lateral adjustment mechanism 5 includes multiple sets of adjustment seats 501 slidably mounted inside the mounting seat 2. Fixed rods 6 are fixedly mounted on both of the two adjustment seats 501 located on both sides, and support rods 7 are fixedly mounted on multiple sets of adjustment seats 501 located inside. Connecting plates 4 are fixedly mounted between the fixed rod 6 and the support rod 7 and between adjacent support rods 7. A longitudinal adjustment mechanism 8 for adjusting the height of the landing door is provided inside the fixed rod 6 and the support rod 7. The width of the landing door is adjusted through the lateral adjustment mechanism 5, and the height of the landing door is adjusted through the provided longitudinal adjustment mechanism 8, so that the landing door structure is applicable to elevator shafts of different sizes.
[0027] In this embodiment, referring to Figures 2 - 4 As shown, the lateral adjustment mechanism 5 further includes two groups of symmetrically distributed screw rods 505. Both ends of the two groups of screw rods 505 penetrate through the mounting seat 2 and are rotatably connected to the mounting seat 2. The two groups of screw rods 505 respectively penetrate through the outermost adjustment seats 501 and are threadedly connected to the adjustment seats 501. Synchronous wheels 506 are sleeved on the left ends of the two groups of screw rods 505. A synchronous belt 507 is provided inside the mounting seat 2, and the synchronous belt 507 is respectively in transmission connection with the two groups of synchronous wheels 506. Two groups of cross-distributed connecting rods 502 are provided between adjacent two groups of adjustment seats 501. The two groups of connecting rods 502 are rotatably connected through a first slider 503. Second sliders 504 are rotatably mounted at both ends of the two groups of connecting rods 502, and the two groups of connecting rods 502 are slidably connected to the corresponding adjustment seats 501 through the second sliders 504. According to the size of the elevator shaft where the landing door is actually installed, the motor is started to drive the screw rod 505 to rotate. Under the action of the synchronous belt 507 and the synchronous wheels 506, the two groups of screw rods 505 rotate synchronously. Under the limiting action of the mounting seat 2, the outermost adjustment seat 501 is pushed, and under the action of the cross-distributed connecting rods 502, the first slider 503 and the second slider 504 between adjacent two groups of adjustment seats 501, the subsequent adjustment seats 501 and the fixed rods 6 or support rods 7 fixedly mounted on the adjustment seats 501 are driven to slide in sequence, completing the adjustment of the lateral width of the landing door.
[0028] In this embodiment, referring to Figure 5 and Figure 6As shown in the figure, the vertical adjustment mechanism 8 includes a slide bar 801 slidably connected to the support rod 7 and a first adjustment rod 802 slidably connected to the fixed rod 6. A second adjustment rod 803 is provided inside the first adjustment rod 802, and the second adjustment rod 803 is slidably connected to the first adjustment rod 802. A threaded rod 804 is provided inside the fixed rod 6, and a threaded tube 805 is provided inside the first adjustment rod 802. The upper end of the threaded rod 804 penetrates through the fixed rod 6 and is rotatably connected to the fixed rod 6 through a bearing. The lower end of the threaded rod 804 penetrates through the first adjustment rod 802 and is threadedly connected to the first adjustment rod 802. The upper end of the threaded tube 805 penetrates through the first adjustment rod 802 and is rotatably connected to the first adjustment rod 802 through a bearing. The lower end of the threaded tube 805 penetrates through the second adjustment rod 803 and is threadedly connected to the second adjustment rod 803. Two groups of symmetrically distributed limit grooves 806 are provided on the threaded rod 804, and two groups of symmetrically distributed limit blocks 807 are provided inside the threaded tube 805, and the limit blocks 807 are arranged corresponding to the limit grooves 806. The threaded tube 805 is slidably sleeved on the threaded rod 804 through the limit blocks 807. Start the motor to drive the threaded rod 804 to rotate. Under the limiting action of the fixed rod 6, the first adjustment rod 802 slides inside the fixed rod 6. Under the action of the limit grooves 806 and the limit blocks 807, the threaded tube 805 rotates synchronously with the threaded rod 804. Under the limiting action of the first adjustment rod 802, the second adjustment rod 803 slides inside the first adjustment rod 802. Cooperating with the connecting plate 4 and the slide bar 801 located inside the support rod 7 to realize the adjustment of the height of the landing door, so that the landing door structure is applicable to elevator shaft structures of different models, expanding its scope of application and fully realizing its protective function.
[0029] During the operation of this embodiment, according to the size of the elevator shaft where the landing door is actually installed, start the motor to drive the screw rod 505 to rotate. Under the action of the synchronous belt 507 and the synchronous pulley 506, the two screw rods 505 rotate synchronously. Under the limiting action of the mounting seat 2, the outermost adjustment seat 501 is pushed, and under the action of the connecting rods 502, the first sliders 503 and the second sliders 504 that are cross-distributed between two adjacent adjustment seats 501, the subsequent adjustment seats 501 and the fixed rods 6 or support rods 7 fixedly installed on the adjustment seats 501 are driven to slide in sequence, completing the adjustment of the lateral width of the landing door. Subsequently, start the motor to drive the threaded rod 804 to rotate. Under the limiting action of the fixed rod 6, the first adjustment rod 802 slides inside the fixed rod 6. Under the action of the limit grooves 806 and the limit blocks 807, the threaded tube 805 rotates synchronously with the threaded rod 804. Under the limiting action of the first adjustment rod 802, the second adjustment rod 803 slides inside the first adjustment rod 802. Cooperating with the connecting plate 4 and the slide bar 801 located inside the support rod 7 to realize the adjustment of the height of the landing door, so that the landing door structure is applicable to elevator shaft structures of different models, expanding its scope of application and fully realizing its protective function.
[0030] The control mode of the present utility model is automatically controlled by a controller. The control circuit of the controller can be realized by simple programming of those skilled in the art. The provision of power also belongs to the common general knowledge in the art. Moreover, the present utility model is mainly used to protect mechanical devices. Therefore, the control mode and circuit connection of the present utility model will not be explained in detail.
[0031] It should be noted that the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.
[0032] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. An elevator landing door structure, comprising a fixed frame (1), and two sets of symmetrically distributed mounting seats (2) slidably connected to the fixed frame (1), characterized in that: A bidirectional screw rod (3) is arranged inside the fixing frame (1), and both ends of the bidirectional screw rod (3) respectively penetrate the fixing frame (1) and are rotatably connected to the fixing frame (1) via bearings, and both ends of the bidirectional screw rod (3) respectively penetrate the two groups of mounting seats (2) and are respectively threadedly connected to the two groups of mounting seats (2); A transverse adjustment mechanism (5) for adjusting the width of the floor door is provided in the mounting seat (2), the transverse adjustment mechanism (5) comprising a plurality of adjustment seats (501) slidably mounted in the mounting seat (2), and fixed rods (6) are fixedly mounted on the two adjustment seats (501) located on both sides, and support rods (7) are fixedly mounted on the plurality of adjustment seats (501) located on the inner side, and connecting plates (4) are fixedly mounted between the fixed rods (6) and the support rods (7) and between adjacent support rods (7), and longitudinal adjustment mechanisms (8) for adjusting the height of the floor door are provided in the fixed rods (6) and the support rods (7).
2. An elevator landing door structure according to claim 1, characterized in that: The lateral adjustment mechanism (5) further comprises two groups of symmetrically distributed screw rods (505), the two ends of the two groups of screw rods (505) respectively penetrate the mounting seat (2) and are rotatably connected to the mounting seat (2), the two groups of screw rods (505) respectively penetrate the outermost adjustment seat (501) and are threadedly connected to the adjustment seat (501), the left ends of the two groups of screw rods (505) are sleeved with synchronous wheels (506), the mounting seat (2) is provided with a synchronous belt (507), and the synchronous belt (507) is respectively transmission-connected to the two groups of synchronous wheels (506).
3. An elevator landing door structure according to claim 1, characterized in that: Two groups of cross-distributed connecting rods (502) are provided between two adjacent groups of the adjustment seats (501); the two groups of connecting rods (502) are rotatably connected via a first slider (503); second sliders (504) are rotatably mounted at both ends of the two groups of connecting rods (502); and the two groups of connecting rods (502) are slidably connected to the corresponding adjustment seats (501) via the second sliders (504).
4. The elevator landing door structure according to claim 1, characterized in that: The longitudinal adjustment mechanism (8) comprises a sliding rod (801) slidably connected to the support rod (7), and a first adjustment rod (802) slidably connected to the fixed rod (6); a second adjustment rod (803) is arranged inside the first adjustment rod (802), and the second adjustment rod (803) is slidably connected to the first adjustment rod (802); a threaded rod (804) is arranged inside the fixed rod (6), and a threaded tube (805) is arranged inside the first adjustment rod (802).
5. An elevator landing door structure according to claim 4, characterized in that: The upper end of the threaded rod (804) passes through the fixed rod (6) and is rotatably connected to the fixed rod (6) via a bearing; the lower end of the threaded rod (804) passes through the first adjusting rod (802) and is threadedly connected to the first adjusting rod (802); the upper end of the threaded tube (805) passes through the first adjusting rod (802) and is rotatably connected to the first adjusting rod (802) via a bearing; and the lower end of the threaded tube (805) passes through the second adjusting rod (803) and is threadedly connected to the second adjusting rod (803).
6. An elevator landing door structure according to claim 4, characterized in that: The threaded rod (804) is provided with two groups of symmetrically distributed limiting grooves (806), the threaded tube (805) is provided with two groups of symmetrically distributed limiting blocks (807), and the limiting blocks (807) are arranged corresponding to the limiting grooves (806), and the threaded tube (805) is slidably connected with the threaded rod (804) through the limiting blocks (807).