Lifting device for tatami
By introducing hollow sliding columns and protective sleeve structures into the tatami lifting device, the safety hazards caused by the gap between the lifting plate and the protective riser are solved, thereby improving safety and comfort and creating a warm and comfortable user environment.
Patent Information
- Application Number
- CN202520291154.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-24
AI Technical Summary
The existing tatami lifting device creates a gap when the lifting platform moves upwards, as it moves away from the protective riser, posing a safety hazard, especially the risk of crushing injuries to children's feet.
The structure employs a hollow sliding column and protective sleeve inside the protective riser. A motor drives a lead screw to rotate, causing the lifting plate and protective sleeve to move synchronously, blocking the riser hole. Compression springs and limit rings ensure that the protective plate covers the pit, preventing foot contact.
The device improves safety, prevents children's foot injuries, increases user comfort, and creates a warm atmosphere with warm-colored lights.
Smart Images

Figure CN223746079U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lifting device technical field especially relates to a lifting device for tatami. BACKGROUND
[0002] Tatami is mostly forage weaving, and is a kind of furniture for people to sit or lie on the ground. Generally, tatami is mostly designed on the ground of room balcony, study or hall. It is mainly used for leisure, friends gathering and other activities, and a recess is arranged in the middle of tatami, and a lifting device is arranged in the recess, and a lifting plate is horizontally arranged at the top of the lifting device, the surface of the lifting plate is flush with the surface of tatami when not in use, and the lifting device is lifted up to drive the lifting plate to rise when in use, and the lifting plate is used as a table top, and users can sit around the lifting plate to interact, such as tea tasting.
[0003] In the prior art, for example, Chinese patent No. CN215603914U is a lifting device for tatami, which comprises: a bottom plate horizontally arranged at the bottom of the recess; at least two sleeves vertically arranged on the bottom plate, the top end of the sleeve is coaxially screwed with a lifting lead screw, the bottom end of the outer side wall of the sleeve is fixedly sleeved with a driven sprocket, and the top end of the lifting lead screw is fixedly connected with a lifting plate; simultaneously meshing a transmission chain arranged outside the plurality of driven sprockets; and a driving member for driving the transmission chain. The application has the advantages of effectively improving the lifting stability of the lifting device in the tatami.
[0004] Although the above-mentioned scheme has the advantages as above, the disadvantage of the above-mentioned scheme is that: although it can be arranged at least two vertically rotating sleeves, the lifting plate is fixedly connected between the top ends of the sleeves, the driving member drives the plurality of sleeves to rotate, the lifting lead screw is synchronously rotated under the limiting of the lifting plate, and relatively stable lifting is realized, and the support strength of the lifting plate in the subsequent use process is improved by using the plurality of sleeves, but when the lifting plate moves upward, it gradually moves away from the protective vertical pipe, so that a hollow appears above the protective vertical pipe, when the child does not put his foot into the protective vertical pipe, and accidentally moves the lifting plate downward, the child's foot is easily injured, so that the device has certain safety hazard. UTILITY MODEL CONTENTS
[0005] The utility model discloses a lifting device for tatami, which belongs to the field of lifting device for tatami.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lifting device for tatami, comprising: a lifting plate, further comprising:
[0007] A protective vertical pipe is arranged below the lifting plate. The bottom of the lifting plate is fixedly connected with a hollow slide column. The inner wall of the protective vertical pipe close to the bottom is fixedly connected with a horizontal plate. The center of the horizontal plate is rotatably connected with a lead screw. The lead screw is threadedly connected with the hollow slide column. The top of the horizontal plate is fixedly connected with two guide rods in a symmetrical manner. The guide rods are slidably connected with the hollow slide column. The bottom of the horizontal plate is fixedly connected with a motor. The output end of the motor is fixedly connected to one end of the lead screw.
[0008] Preferably, the outer surface of the hollow slide column is fixedly connected with a protective sleeve. The protective sleeve is slidably connected with the protective vertical pipe. The protective sleeve is made of rubber material.
[0009] Preferably, the bottom of the protective vertical pipe is fixedly connected with a bottom plate. The opposite sides of the protective vertical pipe close to the bottom are both provided with an open slot.
[0010] Preferably, the periphery of the protective vertical pipe close to the top is fixedly connected with a fixed block. The top of the fixed block is slidably connected with a movable rod. One end of the movable rod is fixedly connected with a protective plate.
[0011] Preferably, the protective plate is slidably connected with the protective vertical pipe. The length and width of the protective plate are equal to the length and width of the lifting plate respectively. The other end of the movable rod is fixedly connected with a limiting ring.
[0012] Preferably, the outer surface of the movable rod is provided with a compression spring. The compression spring is fixedly connected with the protective plate and the fixed block respectively.
[0013] Preferably, the top of the protective plate is fixedly connected with a plurality of warm color lamps in a circumferential array. The top of one of the fixed blocks is fixedly connected with a pressure sensor.
[0014] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0015] 1. This utility model uses a controller to start a motor, causing its output shaft to drive a lead screw to rotate. Then, under the action of the threaded engagement between the lead screw and the hollow slide column, and with the guidance of the guide rod limiting the hollow slide column, the hollow slide column can move upward along the outer surface of the lead screw, simultaneously driving the lifting plate upward, and causing the protective sleeve to slide upward along the inside of the protective riser. In this way, with the cooperation of the hollow slide column and the protective sleeve, the holes in the protective riser can be blocked, preventing children from placing their feet inside the protective riser and causing the lifting plate to move downward and injure the children's feet, thereby improving the safety of this device.
[0016] 2. In this utility model, when the lifting plate moves upward, the pressure on the protective plate is reduced. At this time, under the restoring force of the compression spring, the protective plate can move upward, simultaneously driving the movable rod and the limiting ring to slide upward. When the limiting ring contacts the fixed block, the protective plate can no longer move upward. The protective plate just covers the recess of the tatami mat, which is the initial position of the lifting plate. This allows the user to place their feet on the protective plate without having to place them in the recess, avoiding discomfort caused by the small space in the recess making it inconvenient to place their feet. Attached Figure Description
[0017] Figure 1 A side view of a lifting device for tatami mats provided by this utility model;
[0018] Figure 2 A front view structural diagram of a lifting device for tatami mats provided by this utility model;
[0019] Figure 3 A cross-sectional structural schematic diagram of a lifting device for tatami mats provided by this utility model;
[0020] Figure 4 This utility model provides a lifting device for tatami mats. Figure 3 Enlarged structural diagram at point A in the middle.
[0021] Legend:
[0022] 1. Lifting plate; 101. Protective sleeve; 102. Hollow sliding column; 2. Base plate; 201. Protective riser; 202. Opening slot; 203. Horizontal plate; 204. Screw rod; 205. Motor; 206. Guide rod; 3. Protective plate; 301. Fixing block; 302. Movable rod; 303. Compression spring; 304. Limiting ring; 305. Pressure sensor; 306. Warm-colored light. Detailed Implementation
[0023] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0025] Example 1, such as Figures 1-4 As shown, this utility model provides a lifting device for tatami mats, including: a lifting plate 1, and a protective riser 201, which is disposed below the lifting plate 1. A hollow sliding column 102 is fixedly connected to the bottom of the lifting plate 1. A horizontal plate 203 is fixedly connected to the inner wall of the protective riser 201 near the bottom. A lead screw 204 is rotatably connected to the center of the horizontal plate 203. The lead screw 204 is threadedly connected to the hollow sliding column 102. Two guide rods 206 are symmetrically fixedly connected to the top of the horizontal plate 203. The guide rods 206 are slidably connected to the hollow sliding column 102. A motor 205 is fixedly connected to the bottom of the horizontal plate 203. The output end of the motor 205 is fixedly connected to one end of the lead screw 204.
[0026] Furthermore, such as Figures 1-4 As shown, a protective sleeve 101 is fixedly connected to the outer surface of the hollow sliding column 102. The protective sleeve 101 is slidably connected to the protective riser 201. The protective sleeve 101 is made of rubber. By using rubber material, the user's feet can be prevented from accidentally kicking the protective sleeve 101 when sitting around it, which can play a certain cushioning role and reduce the user's foot pain.
[0027] Furthermore, such as Figures 1-4 As shown, the bottom of the protective riser 201 is fixedly connected to the base plate 2. The opposite side of the protective riser 201 near the bottom is provided with an opening slot 202. The opening slot 202 facilitates the heat dissipation of the motor 205 and facilitates the subsequent disassembly and maintenance of the motor 205.
[0028] Furthermore, such as Figures 1-4 As shown, the protective riser 201 is fixedly connected to the four sides near the top of the pipe with fixed blocks 301. The top of the fixed blocks 301 is slidably connected to the movable rods 302. One end of each movable rod 302 is fixedly connected to a protective plate 3. With the above arrangement, when the protective plate 3 moves downward, it can drive the movable rods 302 to slide downward.
[0029] Furthermore, such as Figures 1-4As shown, the guard plate 3 is in sliding connection with the guard vertical pipe 201, the length and width of the guard plate 3 are equal to the length and width of the lifting plate 1 respectively, the other end of the movable rod 302 is fixedly connected with a limiting ring 304, through the above setting, when the guard plate 3 moves upward, the futon pit can be hidden, and through the setting of the limiting ring 304, the limiting effect of the guard plate 3 is achieved.
[0030] Further, as shown in Figures 1-4 The outer surface of the movable rod 302 is provided with a compression spring 303, the compression spring 303 is fixedly connected with the guard plate 3 and the fixed block 301 respectively, under the reset force of the compression spring 303, the guard plate 3 can move upward, and the movable rod 302 and the limiting ring 304 are driven to slide upward synchronously.
[0031] Further, as shown in Figures 1-4 The top of the guard plate 3 is fixedly connected with a plurality of warm color lamps 306 in a circumferential array, the top of one of the fixed blocks 301 is fixedly connected with a pressure sensor 305, through the setting of the warm color lamps 306, certain illumination can be provided, and a warm and comfortable atmosphere can be created, through the setting of the pressure sensor 305, the signal can be conveniently transmitted to the controller, and then the warm color lamps 306 or the motor 205 are controlled by the controller.
[0032] Working principle: when using, when the lifting plate 1 needs to be lifted, the motor 205 is started by the controller, the output shaft drives the screw rod 204 to rotate, then under the cooperation of the screw rod 204 and the hollow slide column 102, and under the cooperation of the guide rod 206 limiting the hollow slide column 102, the hollow slide column 102 can move upwards along the outer surface of the screw rod 204, synchronously drive the lifting plate 1 to move upwards, drive the protective sleeve 101 to slide upwards along the inside of the protective vertical pipe 201, so that the hollow slide column 102 and the protective sleeve 101 can block the hole of the protective vertical pipe 201, avoid the child's foot from being placed in the inside of the protective vertical pipe 201, the lifting plate 1 moves downwards to press the child's foot, thereby improving the safety of the device, and when the protective sleeve 101 is made of rubber material, it can avoid the user's foot from kicking on the protective sleeve 101 when sitting, and can play a certain buffering effect, reduce the pain of the user's foot, the compression spring 303 is in a compressed state, when the lifting plate 1 moves upwards, the pressure on the protective plate 3 is reduced, at this time, under the restoring force of the compression spring 303, the protective plate 3 can move upwards, synchronously drive the movable rod 302 and the limiting ring 304 to slide upwards, when the limiting ring 304 contacts the fixed block 301, the protective plate 3 cannot move upwards at this time, the protective plate 3 just covers the recess of the tatami, that is, the initial position of the lifting plate 1, so that the user can place the foot on the protective plate 3 without placing it in the recess, avoiding the inconvenience of placing the foot due to the small space of the recess, leading to the user's discomfort, the protective plate 3 is in contact with the pressure sensor 305, when the protective plate 3 moves upwards, it will be separated from the pressure sensor 305, at this time, the signal is transmitted to the controller by the pressure sensor 305, and the warm color lamp 306 is turned on by the controller, so that it is bright, which can not only provide light for the place between the lifting plate 1 and the protective plate 3, but also create a warm and comfortable atmosphere, when the lifting plate 1 moves downwards, the lifting plate 1 extrudes the protective plate 3, which can make the protective plate 3 move downwards, when the protective plate 3 contacts the pressure sensor 305, at this time, the signal is transmitted to the controller by the pressure sensor 305, and the motor 205 is turned off by the controller, so that the lifting plate 1 stops descending, at this time, the lifting plate 1 just returns to the initial position, covering the recess of the tatami.
[0033] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.
Claims
1. A lifting device for a futon, comprising: The lifting plate (1) is characterized in that further comprising: The protective vertical pipe (201) is arranged below the lifting plate (1), the bottom of the lifting plate (1) is fixedly connected with the hollow slide column (102), the inner wall of the bottom of the protective vertical pipe (201) is fixedly connected with the horizontal plate (203), the center of the horizontal plate (203) is rotatably connected with the lead screw (204), the lead screw (204) is threadedly connected with the hollow slide column (102), the top of the horizontal plate (203) is fixedly connected with two guide rods (206) in a symmetrical manner, the guide rods (206) are slidably connected with the hollow slide column (102), and the bottom of the horizontal plate (203) is fixedly connected with the motor (205).
2. The lifting device for a futon according to claim 1, wherein: The outer surface of the hollow slide column (102) is fixedly connected with the protective sleeve (101), the protective sleeve (101) is slidably connected with the protective vertical pipe (201), and the protective sleeve (101) is made of rubber.
3. The lifting device for a futon according to claim 2, wherein: The bottom of the protective vertical pipe (201) is fixedly connected with the bottom plate (2), and the opposite sides of the bottom of the protective vertical pipe (201) are both provided with the open slot (202).
4. The lifting device for a futon according to claim 3, wherein: The periphery of the top of the protective vertical pipe (201) is fixedly connected with the fixed block (301), the top of the fixed block (301) is slidably connected with the movable rod (302), one end of the movable rod (302) is fixedly connected with the protective plate (3).
5. The lifting device for a futon according to claim 4, wherein: The protective plate (3) is slidably connected with the protective vertical pipe (201), the length and width of the protective plate (3) are equal to the length and width of the lifting plate (1) respectively, and the other end of the movable rod (302) is fixedly connected with the limiting ring (304).
6. The lifting device for a futon according to claim 5, wherein: The outer surface of the movable rod (302) is provided with the compression spring (303), and the compression spring (303) is fixedly connected with the protective plate (3) and the fixed block (301) respectively.
7. The lifting device for a futon according to claim 6, wherein: The top of the protective plate (3) is fixedly connected with the plurality of warm color lamps (306) in a circumferential array, and the top of one of the fixed blocks (301) is fixedly connected with the pressure sensor (305).