Sofa with lifting and limiting frame
Technical Field
The utility model relates to the technical field of sofas, in particular to a sofa with a lifting and limiting frame.
Background
Along with the development of technology and the increasing living standard of people, the demands of people on the versatility of the seat unit are also increasing. Some of the seats have a lifting function, so that old people with inconvenient legs and feet and poor waist strength can stand up from the sofa.
The Chinese patent document CN213308561U discloses a sofa frame lifting limiting mechanism, which comprises a base frame and lifting components, wherein the lifting components comprise lifting connecting plates, first lifting connecting rod second lifting connecting rods and supporting seats, the supporting seats are fixedly connected with the base frame, one ends of the first lifting connecting rods and the second lifting connecting rods are respectively connected with the supporting seats in a rotating manner, the other ends of the first lifting connecting rods and the second lifting connecting rods are respectively connected with the lifting connecting plates in a rotating manner, the lifting components are two groups and symmetrically arranged along the central surface of the base frame, the first lifting connecting rods are positioned below the second lifting connecting rods, first stabilizing connecting rods are arranged between the two first lifting connecting rods and are used for limiting in a matched manner with the base frame. The sofa frame lifting limiting mechanism is deficient, the device realizes the lifting of the sofa frame, but has limitation, the setting structure is complex and complicated, the production is not facilitated, the production cost is increased, the use cost is increased, and the later maintenance is not facilitated.
Therefore, in order to solve such a problem, we propose a sofa with a frame lifting limit.
Disclosure of utility model
The utility model aims to provide a sofa with a frame lifting limit function, and aims to solve the problems that in the prior art, the existing sofa frame lifting limit mechanism is complex and tedious in structure and is not beneficial to production and later maintenance.
In order to achieve the purposes, the sofa comprises a sofa seat, a servo motor is arranged in the sofa seat, a rotating column is arranged at the output end of the servo motor, a first bevel gear is fixedly connected to the side wall of the rotating column, a second bevel gear is connected to the first bevel gear in a meshed mode, a bidirectional threaded rod is fixedly connected to one end of the second bevel gear, two sliding blocks are connected to the side wall of the bidirectional threaded rod in a threaded mode, two first rotating seats are fixedly connected to the upper ends of the sliding blocks, connecting rods are rotatably connected to the first rotating seats, a second rotating seat is rotatably connected to one end of each connecting rod, which is far away from the first rotating seat, of the second rotating seat, the sofa frame is fixedly connected to one end, which is far away from the first rotating seat, of the second rotating seat, the servo motor is driven to rotate, the rotating column is driven to rotate, the first bevel gear is driven to rotate by the second bevel gear, the second bevel gear is driven to rotate by the second bevel gear, the bidirectional threaded rod is driven to horizontally linearly move the two sliding blocks, the first rotating seats are respectively driven to horizontally move, the first rotating seats are driven to rotate, the connecting rods are driven to rotate, and the second rotating seats are driven to rotate.
Preferably, the first mounting groove has been seted up to the sofa seat upper end, and the second mounting groove has been seted up to the inside of sofa seat, and first mounting groove is located the diapire in the second mounting groove, and the inside spring that is provided with of sofa seat, spring are located the second mounting groove, and spring one end is provided with the baffle.
Preferably, the lower end of the sofa seat is fixedly connected with a support ring, and the support ring is in threaded connection with a support post.
Preferably, three first bevel gears are arranged on the side wall of the rotating column, and the first bevel gears are in meshed connection with one second bevel gear.
Preferably, the second mounting grooves in the sofa seat are eight, the springs in the sofa seat are eight, and the springs are respectively located in the second mounting grooves.
Preferably, the first mounting groove and the baffle are both T-shaped.
Preferably, a limit column is arranged in the sofa seat, and the sliding block is in sliding connection with the limit column.
The utility model has the following beneficial effects:
According to the utility model, the servo motor, the rotating column, the first bevel gear, the second bevel gear, the bidirectional threaded rod, the sliding block, the first rotating seat, the connecting rod and the second rotating seat are arranged, and the single servo motor is used for driving the six connecting rods to support the lifting of the sofa frame, so that the sofa frame is higher in lifting stability, simple in structure and easy to operate, convenient to produce and maintain, the baffle and the spring are arranged, the exposure of the internal structure of the sofa seat is avoided, the attractiveness of the sofa is improved, the supporting ring and the supporting column are arranged, the height of the sofa seat can be adjusted, the application range is increased, and the practicability is increased.
Drawings
Fig. 1 is a schematic perspective view of a sofa with a frame lifting limit according to the present utility model;
Fig. 2 is a schematic perspective view of a sofa with a frame lifting limit according to the present utility model;
Fig. 3 is a schematic perspective exploded view of an internal structure of a sofa with frame lifting limit according to the present utility model;
Fig. 4 is a schematic perspective view of an internal structure of a sofa with frame lifting limitation according to the present utility model;
Fig. 5 is a schematic perspective view of a sofa frame in a sofa with frame lifting limitation according to the present utility model.
Legend description:
1. The sofa comprises a sofa seat, 101, a first mounting groove, 102, a second mounting groove, 11, a spring, 12, a baffle, 13, a servo motor, 131, a rotating column, 132, a first bevel gear, 133, a second bevel gear, 134, a bidirectional threaded rod, 135, a sliding block, 136, a first rotating seat, 137, a connecting rod, 138, a second rotating seat, 14, a limiting column, 2, a sofa frame, 3, a supporting ring, 31 and a strut.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, the terms "mounted," "connected," or "connected" are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral connection, unless explicitly stated or limited otherwise. It may be a mechanical connection that is made, or may be an electrical connection. Can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-5, in an embodiment of the utility model, a sofa with a frame lifting limit comprises a sofa seat 1, a servo motor 13 is arranged in the sofa seat 1, a rotating column 131 is arranged at the output end of the servo motor 13, a first bevel gear 132 is fixedly connected to the side wall of the rotating column 131, a second bevel gear 133 is connected to the first bevel gear 132 in a meshed manner, a bidirectional threaded rod 134 is fixedly connected to one end of the second bevel gear 133, two sliding blocks 135 are connected to the side wall of the bidirectional threaded rod 134 in a threaded manner, two first rotating seats 136 are fixedly connected to the upper ends of the sliding blocks 135, connecting rods 137 are rotatably connected to the first rotating seats 136, a second rotating seat 138 is rotatably connected to one end of the connecting rods 137, which is far away from the first rotating seats 136, and a sofa frame 2 is fixedly connected to one end of the second rotating seats 138, which is far away from the first rotating seats 136.
The setting drives the rotation post 131 through driving the servo motor 13 and rotates, and the rotation post 131 drives first bevel gear 132 to rotate, and first bevel gear 132 drives second bevel gear 133 to rotate, and second bevel gear 133 drives two threaded rod 134 to rotate, and two slide blocks 135 horizontal rectilinear motion are driven to two threaded rod 134, and slide block 135 respectively drives first rotation seat 136 horizontal rectilinear motion, and first rotation seat 136 drives connecting rod 137 to rotate, and connecting rod 137 drives second rotation seat 138 to go up and down, and second rotation seat 138 drives sofa frame 2 to go up and down.
The first mounting groove 101 has been seted up to sofa seat 1 upper end, the second mounting groove 102 has been seted up to sofa seat 1 inside, first mounting groove 101 is located the interior bottom wall of second mounting groove 102, sofa seat 1 inside is provided with spring 11, spring 11 is located second mounting groove 102, spring 11 one end is provided with baffle 12 for utilize the elastic force of spring 11 to push baffle 12 roll-off first mounting groove 101, be used for avoiding when sofa frame 2 risees, sofa seat 1 inner structure leaks outward, shelter from through baffle 12, increase the aesthetic property of sofa.
The lower extreme fixedly connected with supporting ring 3 of sofa seat 1, supporting ring 3 threaded connection has pillar 31 for through the height of rotating pillar 31 increase supporting ring 3 and pillar 31, and then adjust sofa seat 1 height.
The first bevel gears 132 on the side walls of the rotating columns 131 are provided with three, the first bevel gears 132 are engaged and connected with a second bevel gear 133, and the first bevel gears 132 are used for driving three bidirectional threaded rods 134 to rotate simultaneously by driving one servo motor 13, and further driving six connecting rods 137 to support the lifting of the sofa frame 2 simultaneously, so that the lifting stability of the sofa frame 2 is improved.
The second mounting grooves 102 in the sofa seat 1 are provided with eight in total, the springs 11 in the sofa seat 1 are provided with eight in total, and the springs 11 are respectively positioned in the second mounting grooves 102 and used for increasing the upward movement force of the baffle 12, so that the upper surface of the baffle 12 is in contact with the sofa frame 2 more tightly.
The shape of the first mounting groove 101 and the baffle 12 are both T-shaped, and are used for limiting the baffle 12, so that the baffle 12 can be prevented from directly sliding out of the first mounting groove 101 due to the elastic force of the spring 11, and the structural stability is improved.
The limit post 14 is arranged in the sofa seat 1, and the slide block 135 is in sliding connection with the limit post 14 and is used for limiting the slide block 135, so that the stability of the movement of the slide block 135 is improved.
The working principle is that firstly, the servo motor 13 is driven to rotate the rotating column 131, the rotating column 131 drives the first bevel gear 132 to rotate, the first bevel gear 132 drives the second bevel gear 133 to rotate, the second bevel gear 133 drives the bidirectional threaded rod 134 to rotate, the bidirectional threaded rod 134 drives the two sliding blocks 135 to horizontally and linearly move, the sliding blocks 135 respectively drive the first rotating seat 136 to horizontally and linearly move, the first rotating seat 136 drives the connecting rod 137 to rotate, the connecting rod 137 drives the second rotating seat 138 to lift, the second rotating seat 138 drives the sofa frame 2 to lift, the baffle plate 12 is driven by the elastic force of the spring 11 to slide out of the first mounting groove 101, the baffle plate 12 is used for shielding, the internal structure of the sofa seat 1 is prevented from leaking, the attractiveness of the sofa is improved, and when the height of the sofa seat 1 is adjusted, the heights of the support ring 3 and the support column 31 are increased by rotating the support column 31, and then the height of the sofa seat 1 is adjusted.
It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.