CN217458629U - Lifter with adjustable base height - Google Patents

Abstract

The utility model relates to a riser technical field specifically is riser of adjustable base height includes: the surface of the upper mounting plate is provided with two groups of telescopic guide mechanisms, and the bottom ends of the telescopic guide mechanisms are connected with the surface of the lower mounting plate; the power assembly is arranged between the upper mounting plate and the lower mounting plate, and the interior of the power assembly is in transmission connection with the transmission assembly; the middle mounting plate is arranged between the power assembly and the upper mounting plate and is connected with the telescopic guide mechanism, and a bottom foot is arranged at the bottom end of the telescopic guide mechanism; the beneficial effects are that: the lifter capable of adjusting the height of the base is designed with 4 lead screws which are arranged in a staggered mode and are spatially arranged with the round telescopic sleeves, so that the bearing rigidity of the mechanism is better and more stable; different from the scheme that the upper screw rod and the gear internal thread are meshed and sleeved with the lower screw rod of the existing product, each screw rod of the patent is only meshed with the gear internal thread, and the structure is simpler.

Description

Lifter with adjustable base height

Technical Field

The utility model relates to a riser technical field specifically is the riser of adjustable base height.

Background

With the improvement of the intelligent living level of people, no matter in scenes such as a personal kitchen, a shop counter and the like, in order to obtain the optimal working height and comfort level, the lifter with the integral height of the base adjusted by about 100mm is an ideal choice for meeting the requirements of people with different heights. Stealthy below installing current equipment, when obtaining the comfort, need not change current equipment, do not influence spatial layout and storage space at all, through control system, can freely expand, the different bearing requirements are satisfied in the combination linkage.

The prior lifter has two schemes, namely, a scheme similar to the scheme of a patent CN202021537809.5(CN212292649U) which adopts a single worm motor and a single wire rod transmission, and a scheme of a front connecting rod and a rear connecting rod. In the second scheme, similar to patent CN201621065521.6(CN201621065521.6), a double-worm motor and a double-screw rod transmission are adopted, and the scheme of guiding sleeves at two sides is adopted.

However, in the first scheme, a single screw rod is adopted for transmission, the multistage square telescopic sleeves on two sides and the front and rear '#' -shaped connecting rod mechanisms are auxiliary balance mechanisms, and high requirements are placed on the assembly accuracy and the machining errors of the sleeves and the connecting rods. The second scheme adopts double-group screw rod transmission, the round telescopic sleeves on two sides are auxiliary balance mechanisms, the two groups of screw rods and the two sleeves are arranged in a straight line, and when the screw rods are subjected to front and back rotating loads or feet are uneven, the screw rods can be subjected to additional stress and are relatively large in abrasion. According to the scheme, each group of screw rods is an upper screw rod and a lower screw rod, the upper screw rods are sleeved on the lower screw rods in the moving process, and the installation is complex.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a riser of adjustable base height to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the riser of adjustable base height, the riser of adjustable base height includes:

the bottom end of the telescopic guide mechanism is connected with the surface of the lower mounting plate;

the power assembly is arranged between the upper mounting plate and the lower mounting plate, and the interior of the power assembly is in transmission connection with the transmission assembly; and

and the middle mounting plate is arranged between the power assembly and the upper mounting plate, the middle mounting plate is connected with the telescopic guide mechanism, and bottom feet are arranged at the bottom end of the telescopic guide mechanism.

Preferably, power component includes the inferior valve, and the inside of inferior valve is provided with two worm shaft driving motor, and two worm shafts of two worm shaft driving motor all mesh on be connected with drive gear, and drive gear and driven gear mesh are connected, and the top of inferior valve is provided with the epitheca.

Preferably, the epitheca is "protruding" font frame structure, and well mounting panel is "Contraband" font platelike structure, and well mounting panel is provided with two, and the both sides ladder groove department at the epitheca is detained respectively to two well mounting panels, and the epitheca passes through the screw connection with well mounting panel.

Preferably, a plurality of reserved openings are formed in the surfaces of the upper shell and the middle mounting plate.

Preferably, the transmission assembly comprises an upper screw rod and a lower screw rod, the upper screw rod is in threaded connection with an inner annular opening of the driving gear, the lower screw rod is in threaded connection with an inner annular opening of the driving gear, an upper flange is arranged at the top of the upper screw rod and fixed on the surface of the upper mounting plate, a lower flange is arranged at the bottom end of the lower screw rod, and the lower flange is fixed on the surface of the lower mounting plate.

Preferably, the two groups of driving gears are distributed in a staggered diagonal mode, and feet are located below the lower mounting plate.

Preferably, the telescopic guide mechanisms are composed of multi-stage telescopic sleeves, and two groups of telescopic guide mechanisms are arranged and symmetrically distributed around the power assembly.

Compared with the prior art, the beneficial effects of the utility model are that:

the lifter capable of adjusting the height of the base is designed with 4 lead screws in staggered arrangement and is spatially arranged with the round telescopic sleeves, so that the bearing rigidity of the mechanism is better and more stable; different from the scheme that the screw rod is meshed with the internal thread of the gear and is sleeved with the lower screw rod in the existing product, each screw rod is only meshed with the internal thread of the gear, and the structure is simpler.

Drawings

FIG. 1 is a schematic view of the utility model when it is contracted;

FIG. 2 is a schematic view of the utility model when extended;

FIG. 3 is a schematic view of the explosion structure of the present invention;

FIG. 4 is a schematic view of the power assembly of the present invention;

fig. 5 is a schematic view of the structure of the upper screw rod of the present invention.

In the figure: the device comprises an upper mounting plate 1, a middle mounting plate 2, a lower mounting plate 3, a power assembly 4, a double-worm-shaft driving motor 41, an upper shell 42, a lower shell 43, a driving gear 44, a driven gear 45, a transmission assembly 5, an upper screw rod 51, an upper flange 52, a lower screw rod 53, a lower flange 54, a telescopic guide mechanism 6 and a foot 7.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the present invention and are not to be considered as limiting, and that all other embodiments can be made by one of ordinary skill in the art without any inventive work.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 5, the present invention provides a technical solution: the lifter capable of adjusting the height of the base comprises an upper mounting plate 1, wherein two groups of telescopic guide mechanisms 6 are arranged on the surface of the upper mounting plate 1, and the bottom ends of the telescopic guide mechanisms 6 are connected to the surface of a lower mounting plate 3;

the power assembly 4 is arranged between the upper mounting plate 1 and the lower mounting plate 3, the power assembly 4 comprises a lower shell 43, a double-worm-shaft driving motor 41 is arranged inside the lower shell 43, two worm shafts of the double-worm-shaft driving motor 41 are respectively connected with a driving gear 44 in a meshing manner, the driving gear 44 is connected with a driven gear 45 in a meshing manner, an upper shell 42 is arranged above the lower shell 43, the upper shell 42 is of a convex frame structure, the middle mounting plate 2 is of an Contraband-shaped plate structure, the two middle mounting plates 2 are respectively buckled at stepped grooves at two sides of the upper shell 42, the upper shell 42 and the middle mounting plate 2 are connected through screws, a plurality of reserved openings are formed in the surfaces of the upper shell 42 and the middle mounting plate 2, and in the lifting process, the power assembly 4 is lifted together and is a moving part, and the rotation directions of the two groups of driving gears 44 are opposite;

the internal transmission of the power assembly 4 is connected with a transmission assembly 5, the transmission assembly 5 comprises an upper screw rod 51 and a lower screw rod 53, the upper screw rod 51 is screwed on an inner ring opening of the driving gear 44, the lower screw rod 53 is screwed on an inner ring opening of the driven gear 45, an upper flange 52 is arranged at the top of the upper screw rod 51, the upper flange 52 is fixed on the surface of the upper mounting plate 1, a lower flange 54 is arranged at the bottom end of the lower screw rod 53, and the lower flange 54 is fixed on the surface of the lower mounting plate 3;

well mounting panel 2 is located between power component 4 and the last mounting panel 1, and well mounting panel 2 is connected with flexible guiding mechanism 6, and flexible guiding mechanism 6 comprises multistage telescopic sleeve, and flexible guiding mechanism 6 is provided with two sets ofly, and two sets of flexible guiding mechanism 6 are about 4 symmetric distribution of power component, and the bottom of flexible guiding mechanism 6 is provided with footing 7, and drive gear 44 is dislocation diagonal distribution, and footing 7 is in the below of mounting panel 3 down.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The riser of adjustable base height, its characterized in that: the riser of adjustable base height includes:

the telescopic guide mechanism comprises an upper mounting plate (1), wherein two groups of telescopic guide mechanisms (6) are arranged on the surface of the upper mounting plate (1), and the bottom ends of the telescopic guide mechanisms (6) are connected to the surface of a lower mounting plate (3);

the power assembly (4) is arranged between the upper mounting plate (1) and the lower mounting plate (3), and the power assembly (4) is connected with the transmission assembly (5) in a transmission way; and

well mounting panel (2) is located between power component (4) and last mounting panel (1), and well mounting panel (2) is connected with flexible guiding mechanism (6), and the bottom of flexible guiding mechanism (6) is provided with footing (7).

2. The adjustable base height riser of claim 1, wherein: the power assembly (4) comprises a lower shell (43), a double-worm shaft driving motor (41) is arranged inside the lower shell (43), two worm shafts of the double-worm shaft driving motor (41) are all meshed with a driving gear (44), the driving gear (44) is meshed with a driven gear (45) and is connected with the driven gear, and an upper shell (42) is arranged above the lower shell (43).

3. The adjustable base height riser of claim 2, wherein: the epitheca 42 is "protruding" font frame structure, and well mounting panel (2) are "Contraband" font platelike structure, and well mounting panel (2) are provided with two, and both sides ladder groove department at epitheca (42) is detained respectively in two to mounting panel (2), and epitheca (42) and well mounting panel (2) pass through the screw connection.

4. The adjustable base height riser of claim 3, wherein: a plurality of reserved openings are formed in the surfaces of the upper shell (42) and the middle mounting plate (2).

5. The adjustable base height riser of claim 1, wherein: the transmission assembly (5) comprises an upper screw rod (51) and a lower screw rod (53), the upper screw rod (51) is in threaded connection with an inner ring opening of the driving gear (44), the lower screw rod (53) is in threaded connection with an inner ring opening of the driven gear (45), an upper flange (52) is arranged at the top of the upper screw rod (51), the upper flange (52) is fixed on the surface of the upper mounting plate (1), a lower flange (54) is arranged at the bottom end of the lower screw rod (53), and the lower flange (54) is fixed on the surface of the lower mounting plate (3).

6. The adjustable base height riser of claim 2, wherein: the two groups of driving gears (44) are distributed in a staggered diagonal manner, and the bottom feet (7) are positioned below the lower mounting plate (3).

7. The adjustable base height riser of claim 1, wherein: the telescopic guide mechanism (6) is composed of multi-stage telescopic sleeves, two groups of telescopic guide mechanisms (6) are arranged, and the two groups of telescopic guide mechanisms (6) are symmetrically distributed relative to the power assembly (4).

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