Shockproof buffering device for elevator car
By combining the design of buffer components and speed reduction components, the problem of poor shock absorption effect of existing elevator car anti-vibration buffer devices is solved, realizing multi-level shock absorption and speed control, and ensuring the safety of the elevator car interior.
Patent Information
- Application Number
- CN202520717088.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-16
AI Technical Summary
Existing elevator car shock absorption devices mostly use simple springs or rubber pads, which have limited shock absorption effect and lack effective means to reduce speed when the elevator is descending rapidly, which can easily cause harm to passengers.
The design employs a combination of buffer and deceleration components. The buffer component provides a cushioning effect when the elevator car descends to the bottom, while the deceleration component reduces the descent speed by increasing friction. Combined with buffer pads and damping components, it provides multi-layered shock absorption protection.
It effectively reduces the impact and descent speed inside the elevator car, improves passenger safety, reduces vibration and impact inside the elevator car, and ensures passenger safety.
Smart Images

Figure CN223906332U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator car shockproof buffer's technical field, in particular to a kind of elevator car shockproof buffer device. BACKGROUND
[0002] Elevator refers to serve in building several specific floors, its car runs in at least two columns vertical to level or with inclination angle less than 15 ° of rigidity track movement permanent transport equipment.
[0003] The existing elevator car shockproof buffer device is mostly simple spring or rubber pad, shock-absorbing effect is limited, in addition, when elevator appears rapid descent, lack effective means to reduce elevator car descent speed, to cause harm to passenger inside elevator car easily.
[0004] Therefore, a kind of elevator car shockproof buffer device is presented. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of elevator car shockproof buffer device, can solve the problem that the existing elevator car shockproof buffer device is mostly simple spring or rubber pad, shock-absorbing effect is limited, in addition, when elevator appears rapid descent, lack effective means to reduce elevator car descent speed, to cause harm to passenger inside elevator car easily.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of elevator car shockproof buffer device, including buffer assembly, speed reduction component, shaft and elevator car main body, the buffer assembly is arranged in the inside of shaft, the speed reduction component is arranged in the two sides of elevator car main body, the elevator car main body is arranged in the inside of shaft;
[0007] The buffer assembly includes connecting shaft, limit sliding block, guide column and buffer piece, the connecting shaft is fixedly connected at the top of elevator car main body, the limit sliding block is fixedly connected at the two sides of elevator car main body, the guide column and buffer piece are all fixedly connected at the bottom in the inside of shaft.
[0008] Preferably, the speed reduction component includes fixed plate, the fixed plate is fixedly connected at the two sides of elevator car main body, the inside of fixed plate is rotatably connected with adjusting rod, the top of adjusting rod is fixedly connected with motor.
[0009] Preferably, the surface of adjusting rod is screw-connected with adjusting plate, the outer side of adjusting plate is fixedly connected with first connecting piece, the surface of first connecting piece is rotatably connected with rotating plate.
[0010] Preferably, the inner wall of rotating plate is rotatably connected with second connecting piece, the opposite side of second connecting piece is fixedly connected with abutment plate.
[0011] Preferably, the inside of the two sides of the shaft is fixedly connected with a connecting plate, and the inside of the connecting plate is fixedly connected with a first anti-skid pad.
[0012] Preferably, the outside of the resisting plate is fixedly connected with a second anti-skid pad, and the outside of the second anti-skid pad is in contact with the inside of the first anti-skid pad.
[0013] Preferably, the top of the adjusting plate is provided with an adjusting hole, and the inner wall of the adjusting hole is threadedly connected with the surface of the adjusting rod.
[0014] Preferably, the two sides of the elevator car body are provided with a sliding groove, and the inner wall of the sliding groove is slidably connected with the inside of the adjusting plate.
[0015] Preferably, the bottom of the elevator car body is fixedly connected with a buffer pad and a damping piece, and the bottom of the buffer pad is in contact with the top of the damping piece.
[0016] Preferably, the two sides of the elevator car body are fixedly connected with an expansion piece, and the outside of the expansion piece is fixedly connected with the inside of the resisting plate.
[0017] Compared with the prior art, the elevator car shock-absorbing and buffering device has the beneficial effects that:
[0018] 1. The buffer assembly can provide buffering effect when the elevator car body is lowered to the bottom, thereby reducing the impact inside the elevator car body.
[0019] 2. The speed reduction assembly can enhance the friction between the elevator car body and the inside of the shaft when the elevator rapidly descends due to failure, thereby reducing the descending speed of the elevator and reducing the harm. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a whole structure diagram of the elevator car shock-absorbing and buffering device.
[0021] Figure 2 It is a connection schematic view of the buffer assembly and the speed reduction assembly.
[0022] Figure 3 It is a connection schematic view of the buffer assembly.
[0023] Figure 4 It is a connection schematic view of the speed reduction assembly.
[0024] Figure 5 It is a three-dimensional schematic view of the sliding groove, the buffer pad, the damping piece and the connecting hole.
[0025] In the figure, 1, buffer assembly; 101, connecting shaft; 102, limit sliding block; 103, guide column; 104, buffer piece; 2, speed reduction assembly; 201, fixed plate; 202, adjusting rod; 203, motor; 204, adjusting plate; 205, first connecting piece; 206, rotating plate; 207, second connecting piece; 208, resisting plate; 3, shaft; 4, elevator car main body; 5, connecting plate; 6, first non-slip pad; 7, second non-slip pad; 8, adjusting hole; 9, sliding groove; 10, buffer pad; 11, damping piece; 12, telescopic piece. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] Please refer to Figures 1-5 The utility model provides technical scheme:
[0028] An elevator car shockproof buffer device, including buffer assembly 1, speed reduction assembly 2, shaft 3 and elevator car main body 4, buffer assembly 1 is set up inside the shaft 3, speed reduction assembly 2 is set up on the both sides of elevator car main body 4, and elevator car main body 4 is set up inside the shaft 3.
[0029] Buffer assembly 1 includes connecting shaft 101, limit sliding block 102, guide column 103 and buffer piece 104, connecting shaft 101 is fixedly connected at the top of elevator car main body 4, limit sliding block 102 is fixedly connected on the both sides of elevator car main body 4, and guide column 103 and buffer piece 104 are all fixedly connected at the bottom inside the shaft 3.
[0030] In the embodiment, the buffer assembly 1 can provide buffering effect for the elevator car body 4 when it is lowered to the bottom, thereby reducing the impact inside the elevator car body 4. The speed reduction assembly 2 can reduce the speed of the elevator when it is rapidly lowered due to failure, thereby reducing the damage by enhancing the friction between the elevator car body 4 and the inside of the shaft 3. The connecting shaft 101 can connect the lifting wheels for lifting the elevator car body 4. The limiting sliding block 102 can limit the sliding connection of the guide column 103. The guide column 103 can guide the limiting sliding block 102. The buffer 104 is a conventional buffer device. The elevator car body 4 is a conventional elevator car, and the speed sensor is fixedly connected to the rear side of the elevator car body 4.
[0031] Specifically, as shown in Figure 4 The speed reduction assembly 2 includes a fixed plate 201 fixedly connected to both sides of the elevator car body 4. The inside of the fixed plate 201 is rotatably connected with an adjusting rod 202. The top of the adjusting rod 202 is fixedly connected with a motor 203.
[0032] Specifically, as shown in Figure 4 The surface of the adjusting rod 202 is threadedly connected with an adjusting plate 204. The outer side of the adjusting plate 204 is fixedly connected with a first connecting piece 205. The surface of the first connecting piece 205 is rotatably connected with a rotating plate 206.
[0033] Specifically, as shown in Figure 4 The inner wall of the rotating plate 206 is rotatably connected with a second connecting piece 207. The opposite side of the second connecting piece 207 is fixedly connected with a resisting plate 208.
[0034] In the embodiment, the fixed plate 201 can rotatably connect the adjusting rod 202. The adjusting rod 202 is a conventional bidirectional threaded rod. The motor 203 can provide rotating power for the adjusting rod 202. The adjusting plate 204 can connect the first connecting piece 205. The first connecting piece 205 can rotatably connect the rotating plate 206 with the second connecting piece 207. The rotating plate 206 can resist the resisting plate 208. The resisting plate 208 can resist the two sides of the inside of the shaft 3.
[0035] Specifically, asFigure 2 As shown in the figure, the inside of the two sides of the hoistway 3 is fixedly connected with the connecting plate 5, and the inner side of the connecting plate 5 is fixedly connected with the first anti-skid pad 6.
[0036] Specifically, as shown in the figure, Figure 4 The outer side of the stop plate 208 is fixedly connected with the second anti-skid pad 7, and the outer side of the second anti-skid pad 7 is in contact with the inner side of the first anti-skid pad 6.
[0037] In this embodiment: through the setting of the connecting plate 5, the connecting plate 5 cooperates with the first anti-skid pad 6 to achieve the effect of contacting the second anti-skid pad 7, thereby increasing the friction effect.
[0038] Specifically, as shown in the figure, Figure 4 The top of the adjusting plate 204 is provided with an adjusting hole 8, and the inner wall of the adjusting hole 8 is threadedly connected with the surface of the adjusting rod 202.
[0039] Specifically, as shown in the figure, Figure 5 The two sides of the elevator car body 4 are provided with a sliding groove 9, and the inner wall of the sliding groove 9 is slidably connected with the inner side of the adjusting plate 204.
[0040] In this embodiment: through the setting of the adjusting hole 8, the adjusting hole 8 can achieve the effect of threadedly connecting the adjusting rod 202, and through the setting of the sliding groove 9, the sliding groove 9 can achieve the effect of limiting and slidingly connecting the adjusting plate 204.
[0041] Specifically, as shown in the figure, Figure 5 The bottom of the elevator car body 4 is fixedly connected with a buffer pad 10 and a damping member 11, and the bottom of the buffer pad 10 is in contact with the top of the buffer member 104.
[0042] Specifically, as shown in the figure, Figure 5 The two sides of the elevator car body 4 are fixedly connected with an extension member 12, and the outer side of the extension member 12 is fixedly connected with the inner side of the stop plate 208.
[0043] In this embodiment: through the setting of the buffer pad 10, the buffer pad 10 cooperates with the damping member 11 to provide the effect of buffering for the elevator car body 4, and the damping member 11 is an existing damper. Through the setting of the extension member 12, the extension member 12 can achieve the effect of connecting and limiting the stop plate 208.
[0044] Working principle: first, the speed sensor is opened, then when the elevator appears malfunction and quickly drops, the guide column 103 matches the limit sliding block 102, can control the elevator does not appear deviation when descending, and then reduces the vibration of the elevator car body 4, then the speed of the elevator car body 4 is accelerated, so it will be perceived by the speed sensor, and then the speed sensor sends instructions to the motor 203, and then the motor 203 drives the adjusting rod 202 to rotate, so that the adjusting rod 202 adjusts the adjusting plate 204, so that the first connecting piece 205 and the rotating plate 206 and the second connecting piece 207 are connected through the adjusting plate 204, and the resisting plate 208 is pressed, so that the resisting plate 208 can extend outward, so that the second anti-skid pad 7 contacts the first anti-skid pad 6, thereby increasing the friction, so that the speed of the elevator car body 4 is reduced by increasing the friction, then when the buffer pad 10 contacts the buffer piece 104, it can provide buffer for the inside of the elevator car body 4, thereby reducing the impact inside the elevator car body 4, and then cooperating with the damping piece 11 can effectively reduce the impact on the elevator car body 4.
[0045] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. An elevator car shock absorbing device, comprising a shock absorbing assembly (1), a speed reducing assembly (2), a shaft (3) and an elevator car body (4), characterized in that: The buffer assembly (1) is arranged inside the shaft (3), the speed reduction assembly (2) is arranged on both sides of the elevator car body (4), and the elevator car body (4) is arranged inside the shaft (3); The buffer assembly (1) comprises a connecting shaft (101), a limiting sliding block (102), a guide column (103) and a buffer (104), the connecting shaft (101) is fixedly connected to the top of the elevator car body (4), the limiting sliding block (102) is fixedly connected to both sides of the elevator car body (4), and the guide column (103) and the buffer (104) are fixedly connected to the bottom inside the shaft (3).
2. An elevator car shock absorber as defined in claim 1, wherein: The speed reduction assembly (2) comprises a fixed plate (201), the fixed plate (201) is fixedly connected to both sides of the elevator car body (4), the inside of the fixed plate (201) is rotatably connected with an adjusting rod (202), and the top of the adjusting rod (202) is fixedly connected with a motor (203).
3. An elevator car shock absorber as defined in claim 2, wherein: The surface of the adjusting rod (202) is threadedly connected with an adjusting plate (204), the outer side of the adjusting plate (204) is fixedly connected with a first connecting piece (205), and the surface of the first connecting piece (205) is rotatably connected with a rotating plate (206).
4. An elevator car shock absorber as set forth in claim 3, wherein: The inner wall of the rotating plate (206) is rotatably connected with a second connecting piece (207), and the opposite side of the second connecting piece (207) is fixedly connected with a resisting plate (208).
5. An elevator car shock absorber as set forth in claim 4, wherein: Both sides of the inside of the shaft (3) are fixedly connected with a connecting plate (5), and the inner side of the connecting plate (5) is fixedly connected with a first anti-skid pad (6).
6. An elevator car shock absorber as set forth in claim 5, wherein: The outer side of the resisting plate (208) is fixedly connected with a second anti-skid pad (7), and the outer side of the second anti-skid pad (7) is in contact with the inner side of the first anti-skid pad (6).
7. An elevator car shock absorber as set forth in claim 3, wherein: The top of the adjusting plate (204) is provided with an adjusting hole (8), and the inner wall of the adjusting hole (8) is threadedly connected with the surface of the adjusting rod (202).
8. An elevator car shock absorber as set forth in claim 3, wherein: Both sides of the elevator car body (4) are provided with a sliding groove (9), and the inner wall of the sliding groove (9) is slidably connected with the inner side of the adjusting plate (204).
9. The elevator car shock absorber of claim 1, wherein: The bottom of the elevator car body (4) is fixedly connected with a buffer pad (10) and a damping piece (11), and the bottom of the buffer pad (10) is in contact with the top of the buffer (104).
10. The elevator car shock absorber of claim 4, wherein: Both sides of the elevator car body (4) are fixedly connected with a telescopic piece (12), and the outer side of the telescopic piece (12) is fixedly connected with the inner side of the resisting plate (208).