Lifting device and dressing table

Abstract

The utility model discloses a lifting device and a dresser, and relates to the technical field of lifting devices, the lifting device comprises a lifting mechanism and a fixed support, and the lifting mechanism is in sliding fit with the fixed support; the lifting mechanism comprises a guide rail mounting plate, and a guide rail and a lead screw are arranged in the length direction of the guide rail mounting plate. The guide rail and the lead screw are connected with a guide rail sliding block and a lead screw sliding block respectively, and the fixing support is fixedly connected to the guide rail sliding block and the lead screw sliding block. One end of the lead screw is connected with a motor, and the motor is electrically connected with the control system. By improving the lifting structure, the stability in the lifting process is improved, and shaking is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lifting device, specifically relates to a lifting device that can be stably lifted and dressing table with the lifting device. BACKGROUND

[0002] The market all adopts the mode of lifting column + bottom support rail, electric lifting column + scissor frame to lift, and the lifting structure has the problems of poor stability and large shaking.

[0003] Specifically, the support point of the bottom support rail is located at the bottom, and the lifting process is easy to shake due to uneven stress or external interference (such as wind force and load deviation), which affects the stability of the equipment or personnel; the scissor frame relies on multi-link motion, and there may be slight shaking during the lifting process.

[0004] The utility model improves the stability during the lifting process and reduces the shaking through the improvement of the lifting structure. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a lifting device and dressing table to solve the problem of poor stability of the lifting structure in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A lifting device comprises a lifting mechanism and a fixed support, the lifting mechanism is in sliding cooperation with the fixed support, the lifting mechanism comprises a guide rail mounting plate, a guide rail and a lead screw are arranged along the length direction of the guide rail mounting plate, a guide rail slider and a lead screw slider are respectively connected to the guide rail and the lead screw, the fixed support is fixedly connected to the guide rail slider and the lead screw slider, one end of the lead screw is connected with a motor, and the motor is electrically connected with a control system.

[0008] Optionally, the guide rail is provided with two guide rails, and the two guide rails are symmetrically arranged on the two sides of the guide rail mounting plate.

[0009] Optionally, the lead screw is located between the two guide rails.

[0010] Optionally, the upper end of the guide rail is provided with a guide rail cover.

[0011] Optionally, the guide rail cover is a plate covering above the guide rail.

[0012] Optionally, the two ends of the lead screw are provided with lead screw stabilizing seats, one of the lead screw stabilizing seats is located on the guide rail cover, and the other lead screw stabilizing seat is located on the guide rail mounting plate.

[0013] Optionally, the fixed support is further provided with an adjusting bolt.

[0014] Optionally, the current detection device is electrically connected with the control system.

[0015] Optionally, the anti-pinch device is electrically connected with the control system, and the anti-pinch device is an infrared sensing device.

[0016] A dressing table further comprises a fixed support table and a lifting table, the fixed support table is provided with a containing space for mounting and lifting the lifting device, and the lifting table is fixedly connected to the fixed support; when the fixed support is at the lowest point, the upper end surface of the lifting table is flush with the upper end surface of the fixed support table; when the fixed support is at the highest point, the lower end surface of the lifting table is flush with the upper end surface of the fixed support table.

[0017] Beneficial effects: compared with the bottom supporting rail or scissor lifting structure in the prior art, the lifting device has better stability. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the lifting device of the utility model;

[0019] Figure 2 It is a whole structure schematic view of the lifting mechanism of the utility model;

[0020] Figure 3 It is a whole structure schematic view of the lifting mechanism of the utility model (omitting motor cover);

[0021] Figure 4 It is a whole structure schematic view of the dressing table of the utility model;

[0022] Figure 5 It is a connection schematic view of the lifting device and the fixed support table of the utility model;

[0023] Figure 6 It is a connection schematic view of the lifting table and the fixed support of the utility model.

[0024] In the drawing: 1, lifting mechanism; 101, guide rail mounting plate; 102, guide rail; 103, screw rod; 104, guide rail slider; 105, screw rod slider; 106, motor; 107, guide rail cover; 108, screw rod stabilizing seat; 2, fixed support; 3, adjusting bolt; 4, fixed support table; 5, lifting table. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0027] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0028] In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the product of the present application is used, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0029] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0030] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; 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, or it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] Embodiment 1

[0032] AsFigures 1-3 As shown, the embodiment provides a lifting device, comprising a lifting mechanism 1 and a fixed support 2, the lifting mechanism 1 is in sliding fit with the fixed support 2; the lifting mechanism 1 comprises a guide rail mounting plate 101, a guide rail 102 and a lead screw 103 are arranged along the length direction of the guide rail mounting plate 101; the guide rail 102 and the lead screw 103 are respectively connected with a guide rail slider 104 and a lead screw slider 105, the fixed support 2 is fixedly connected on the guide rail slider 104 and the lead screw slider 105; one end of the lead screw 103 is connected with a motor 106, and the motor 106 is electrically connected with a control system.

[0033] Specifically, in the embodiment, the guide rail mounting plate 101 is a long strip plate, comprising two guide rail mounting ribs and a plurality of connecting strips, two guide rails 102 are symmetrically mounted on the two guide rail mounting ribs, and the connecting strips are connected between the two guide rail mounting ribs; the guide rail mounting rib is used for mounting the guide rail 102, and the connecting plate is used for connecting the two guide rail mounting ribs and reinforcing; of course, the guide rail mounting rib can also be a complete long strip plate or a plate of other shapes, as long as the purpose of mounting the guide rail 102 can be achieved; the guide rail mounting plate 101 is provided with mounting holes, and the guide rail mounting plate 101 is mounted and fixed by screws passing through the mounting holes.

[0034] Specifically, in the embodiment, the fixed support 2 is composed of a plurality of block plates, which are a top plate, a back plate and a plurality of support plates, wherein the top plate and the back plate are rectangular plates, the support plates are distributed at equal intervals between the top plate and the back plate, and the support plates are triangular plates; the top plate is used for connecting the component to be lifted, the back plate is used for connecting the guide rail slider 104 and the lead screw slider 105, and the support plate mainly plays a reinforcing role to enhance the stability and load capacity of the fixed support 2; the number and shape of the top plate, the back plate and the support plate can be set according to actual conditions.

[0035] Preferably, the lead screw 103 is a trapezoidal lead screw, which has a self-locking function and can effectively prevent the component to be lifted from falling by gravity.

[0036] In one preferred embodiment, the lead screw 103 is located between the two guide rails 102, and the upper end of the guide rail 102 is provided with a guide rail cover 107; in the embodiment, the guide rail cover 107 is a plate block covering the guide rail 102; the guide rail cover 107 extends to the outside of the guide rail 102, so that the guide rail 102 and the lead screw 103 are located below the guide rail cover 107, preventing dust or impurities from entering the guide rail 102 and the lead screw 103, affecting the sliding of the guide rail slider 104 and the lead screw slider 105.

[0037] Further, the two ends of the lead screw 103 are provided with lead screw stabilizing seats 108, one of which is located on the guide rail cover 107 and the other of which is located on the guide rail mounting plate 101; the lead screw stabilizing seat 108 supports the lead screw 103 through an internal bearing, ensures that the lead screw 103 maintains stable radial and axial positioning when rotating, reduces bending or vibration, and reduces the noise of the transmission system.

[0038] In addition, a motor cover can also be installed around the motor 106, specifically, the motor cover can be made of high-density materials (such as steel plates, engineering plastics) to block the electromagnetic noise, airflow noise and mechanical vibration noise generated when the motor 106 operates from spreading outward; an inner lining of sound-absorbing material (such as foam, glass wool, polyester fiber) can be additionally provided in the motor cover to absorb high-frequency noise, reduce sound wave reflection, and rubber pads or damping materials can be added between the motor cover and the motor 106 to block vibration transmission and reduce low-frequency noise; the motor cover can protect the motor 106 on the one hand and reduce noise on the other hand.

[0039] In one preferred embodiment, the fixing support 2 is further provided with adjusting bolts 3; specifically, referring to Figure 1 , the adjusting bolts 3 are uniformly distributed on the top plate, the bottom of the component to be lifted is provided with an internally threaded hole, the external threads of the adjusting bolts 3 are matched with the internally threaded hole, and when the adjusting bolts 3 are rotated, the threaded slope of the adjusting bolts 3 converts the rotary motion into axial motion, and through the precise control of the threads, small displacement or force adjustment is achieved; in the specific use process, when the component to be lifted is lifted and is not parallel to the ground or has a small gap with the surroundings, the adjusting bolts 3 can be rotated for balance and gap adjustment, so that the component to be lifted is parallel to the ground or has an even gap with the surroundings.

[0040] In one preferred embodiment, a current detection device is further included, and the current detection device is electrically connected with the control system; specifically, the current detection device can be directly connected in series on the main circuit of the motor 106, or can transmit signals through an isolation device (such as an optical coupler or wireless transmission); the core purpose of setting the current detection device is to detect the current of the motor 106, the current detection device feeds back the detected current value to the control system, the control system compares the detected current value with the system set value, and when the detected current value exceeds the system set value, the motor 106 stops working; in the specific application process, when the component to be lifted encounters an obstacle during the lifting or lowering process, the current of the motor 106 will increase, and when the current detected by the current detection device exceeds the system set value, the motor 106 stops working, which can achieve the purpose of anti-pinch.

[0041] Further, the anti-pinch device is electrically connected with the control system, and the anti-pinch device is an infrared sensing device; obstacles are detected through infrared rays to trigger stop or reverse action to prevent pinching of people or objects; the working process can be divided into "emission-reception-judgment-execution", the infrared emitter emits modulated infrared light beams (usually near-infrared, wavelength 850-940 nm), the infrared receiver receives reflected or backshot infrared signals and converts them into electrical signals, the control unit analyzes signal changes to determine whether there are obstacles, and the actuator controls the motor to stop, reverse or alarm; the emitter and the receiver are installed in pairs to form one or more infrared light beams in the middle, and when there is no obstruction: the receiver continuously receives infrared signals, and the system determines that there is "no obstacle"; when there is an obstruction (such as a hand / object entering the light beam path): the infrared signal is blocked, the receiver output jumps, and the control unit immediately stops or reverses the driving motor; the anti-pinch function is further enhanced through the double setting of the current detection device and the infrared sensing device; the setting position of the infrared sensing device is not marked in the figure, because the setting position is different in different scenes, and the setting position can be set according to the actual situation in the specific application process, which is not limited here.

[0042] Embodiment 2

[0043] As shown in Figures 4-6 , the embodiment provides a dressing table, which comprises the lifting device in embodiment 1, further comprises a fixed support table 4 and a lifting table 5, the fixed support table 4 is provided with a containing space for installing and lifting the lifting device, the lifting table 5 is fixedly connected to the fixed support 2, when the fixed support 2 is at the lowest point, the upper end surface of the lifting table 5 is flush with the upper end surface of the fixed support table 4; when the fixed support 2 is at the highest point, the lower end surface of the lifting table 5 is flush with the upper end surface of the fixed support table 4.

[0044] Specifically, referring to Figure 5 and Figure 6 , the fixed support table 4 is the main part of the dressing table, which mainly plays a supporting and accommodating role, the fixed support table 4 is provided with a containing space on the side away from the user, and the lifting device is located in the containing space and realizes lifting in the containing space; in the specific application process, a plurality of mounting holes are arranged on the guide rail mounting plate 101 of the lifting device, and screws pass through the mounting holes to fix the lifting device in the containing space of the fixed support table 4; in this embodiment, the component to be lifted is the lifting table 5, and a dressing mirror or other storage space can be arranged in the lifting table 5, which can be customized according to individual needs; the bottom of the lifting table 5 is connected to the top plate of the fixed support 2 through screws, and the top plate is further provided with an adjusting bolt 3; the bottom of the lifting table 5 is provided with an internal thread hole, and the adjusting bolt 3 can be rotated to balance and adjust the gap.

[0045] When the fixed support 2 is at the lowest point, the upper end surface of the lifting platform 5 is flush with the upper end surface of the fixed support platform 4; the opening size and dimension of the accommodating space are exactly the same as the size and dimension of the upper end surface of the lifting platform 5, and when the fixed support 2 is at the lowest point, the upper end surface of the lifting platform 5 just covers the opening of the accommodating space; when the fixed support 2 is at the highest point, the lower end surface of the lifting platform 5 is flush with the upper end surface of the fixed support platform 4, and the lower end surface of the lifting platform 5 just abuts against the opening of the accommodating space.

[0046] In the embodiment, the infrared sensing device is arranged at the opening of the accommodating space to prevent hands or objects from being clamped.

[0047] In the specific application process, the lifting of the lifting platform 5 can be controlled by controlling the lifting of the lifting device, thereby improving the multifunctionality of the dressing table.

[0048] Finally, it should be noted that: the above only describes the preferred embodiments of the utility model, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A lifting device, comprising a lifting mechanism (1) and a fixed bracket (2), wherein the lifting mechanism (1) and the fixed bracket (2) are slidably engaged; characterized in that, The lifting mechanism (1) includes a guide rail mounting plate (101), and a guide rail (102) and a lead screw (103) are arranged along the length of the guide rail mounting plate (101); a guide rail slider (104) and a lead screw slider (105) are respectively connected to the guide rail (102) and the lead screw (103), and the fixed bracket (2) is fixedly connected to the guide rail slider (104) and the lead screw slider (105); a motor (106) is connected to one end of the lead screw (103), and the motor (106) is electrically connected to the control system.

2. The lifting device according to claim 1, characterized in that, There are two guide rails (102), which are symmetrically arranged on both sides of the guide rail mounting plate (101).

3. A lifting device according to claim 1, characterized in that, The lead screw (103) is located between two guide rails (102).

4. A lifting device according to claim 1, characterized in that, The upper end of the guide rail (102) is provided with a guide rail cover (107).

5. A lifting device according to claim 4, characterized in that, The guide rail cover (107) is a plate that covers the guide rail (102).

6. A lifting device according to claim 4, characterized in that, The lead screw (103) is provided with lead screw stabilizers (108) at both ends, one of which is located on the guide rail cover (107) and the other is located on the guide rail mounting plate (101).

7. A lifting device according to claim 1, characterized in that, The fixed bracket (2) is also provided with adjusting bolts (3).

8. A lifting device according to claim 1, characterized in that, It also includes a current detection device, which is electrically connected to the control system.

9. A lifting device according to claim 1, characterized in that, It also includes an anti-pinch device, which is electrically connected to the control system and is an infrared sensing device.

10. A dressing table, comprising the lifting device according to any one of claims 1-9, characterized in that, It also includes a fixed support platform (4) and a lifting platform (5). The fixed support platform (4) has a space for the installation and lifting of the lifting device. The lifting platform (5) is fixedly connected to the fixed bracket (2). When the fixed bracket (2) is at its lowest point, the upper surface of the lifting platform (5) is flush with the upper surface of the fixed support platform (4). When the fixed bracket (2) is at its highest point, the lower surface of the lifting platform (5) is flush with the upper surface of the fixed support platform (4).

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