Oval tube lifting stand column plastic external member

Abstract

The utility model discloses an oval tube lifting stand column plastic external member which comprises a supporting mechanism, the supporting mechanism comprises a first oval tube, a first dustproof ring is clamped at the top end of the first oval tube, a first lifting mechanism is arranged in the first oval tube in a sliding mode, and a second lifting mechanism is installed in the first lifting mechanism in a sliding mode. The top end of the second lifting mechanism is connected with a mounting seat, the mounting seat comprises a box body, the top end of the box body is covered with a cover plate, the first lifting mechanism comprises a second oval pipe, the cross section of the first oval pipe is in an annular runway shape, and a sealing plate used for mounting is arranged at the bottom end in the first oval pipe; a first limiting pipe is arranged in the second oval pipe, a limiting block is arranged at the top end of the first limiting pipe, and an inner threaded pipe is arranged in the limiting block, the lifting mechanism has the advantages of being stable in structure and long in service life, and the problem that an existing lifting mechanism is unstable in structure is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lift column technical field, concretely is a kind of oval tube lift column plastic kit. BACKGROUND

[0002] Before the emergence of lift column technology, the height adjustment function of many devices relies on relatively simple mechanical structure. For example, the height of early tables, workbenches and other furniture is fixed, and cannot meet the individualized needs of different users for height. Moreover, the way of adjusting the height of some temporary exhibition stands and other structures is relatively clumsy, and may require complex tools and a large amount of manpower.

[0003] The lift column plastic kit is usually driven by a threaded rod to lift the internal kit of the lift column, but the existing plastic kit is usually square-shaped, and the overall structure of the square-shaped plastic kit has poor stability, which may cause unstable lifting after long-term use, resulting in low service life. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of oval tube lift column plastic kit, with the advantages of stable structure and long service life, solving the problem of unstable structure of current lifting mechanism.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of oval tube lift column plastic kit, including support mechanism, the support mechanism includes first oval tube, the first oval tube top end is clamped with first dust ring, and first oval tube is slidably arranged with first lifting mechanism in the inside, the first lifting mechanism is slidably installed with second lifting mechanism in the inside, the second lifting mechanism top end is connected with mounting seat, the mounting seat includes box, the box top end is covered with cover plate, the first lifting mechanism includes second oval tube.

[0006] Preferably, the first oval tube is annular runway-shaped in cross section, and a sealing plate for mounting is arranged at the bottom of the first oval tube.

[0007] Preferably, the second oval tube is provided with a first limiting tube inside, the first limiting tube is provided with a limiting block at the top end, the limiting block is provided with an internal thread tube inside, the second oval tube and the first limiting tube are jointly connected with a base at the bottom end, and the second oval tube is provided with a second dust ring at the top end.

[0008] Preferably, the outer edge surface of the second oval tube is attached to the inner edge surface of the first dust ring, and the inner edge surface of the second dust ring is attached to the outer edge surface of the second lifting mechanism.

[0009] Preferably, the second lifting mechanism comprises a third elliptical pipe, a second limiting pipe is fixedly connected inside the third elliptical pipe, an internally threaded block is arranged at the top end of the second limiting pipe, and an externally threaded pipe is spirally installed inside the internally threaded block.

[0010] Preferably, a threaded column is arranged in the externally threaded pipe, the top end of the third elliptical pipe is fixedly connected with the bottom end of the box body, and the top end of the threaded column penetrates through the box body and extends into the box body.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The utility model discloses a first elliptical pipe, a second elliptical pipe, a first limiting pipe, a limiting block, an internally threaded pipe, a base, a third elliptical pipe, a threaded column, an internally threaded block and an externally threaded pipe are arranged, the threaded column is rotated and cooperated with the internally threaded pipe, the first lifting mechanism is driven to complete lifting through the limiting block and the first limiting pipe, the base abuts the bottom end of the second limiting pipe, the internally threaded block at the top end of the second limiting pipe is spirally cooperated with the externally threaded pipe, the third elliptical pipe is driven to complete lifting, the first elliptical pipe and the second circular pipe are arranged in annular runway shape, can be positioned when the lifting column lifts, have strong structural stability, and the service life of the lifting column is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view structural schematic drawing of the utility model;

[0014] Figure 2 It is the vertical section structure schematic drawing of the utility model;

[0015] Figure 3 It is the utility model Figure 2 The enlarged schematic drawing of structure in A place of the utility model;

[0016] Figure 4 It is the utility model Figure 2 The enlarged schematic drawing of structure in B place.

[0017] The reference signs and names in the drawings are as follows:

[0018] 1, support mechanism;11, first elliptical pipe;12, first dustproof ring;2, mounting seat;21, box body;22, cover plate;3, first lifting mechanism;31, second elliptical pipe;32, first limiting pipe;33, limiting block;34, internally threaded pipe;35, base;36, second dustproof ring;4, second lifting mechanism;41, third elliptical pipe;42, second limiting pipe;43, threaded column;44, internally threaded block;45, externally threaded pipe. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application.

[0020] In the description of the embodiments of the present application, it should be understood that the positions or the position relationships indicated by the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the positions or the position relationships shown in the drawings, and are only for the purpose of facilitating the description of the embodiments of the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular position, be constructed and operated in a particular position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0021] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0022] Please refer to Figures 1 to 4The utility model provides an embodiment: an oval tube lifting stand column plastic kit, including support mechanism 1, support mechanism 1 includes first oval tube 11, first oval tube 11 top end card and has first dust ring 12, and first oval tube 11 inside slide and be provided with first lifting mechanism 3, first lifting mechanism 3 inside slide and be provided with second lifting mechanism 4, second lifting mechanism 4 top end is connected with mounting seat 2, and mounting seat 2 includes box 21, and the box 21 top end is covered with cover plate 22, first lifting mechanism 3 includes second oval tube 31, and first oval tube 11 cross section is annular racecourse shape, and first oval tube 11 inside bottom end is provided with the sealing plate for installation, second oval tube 31 is provided with first limiting pipe 32 inside, and first limiting pipe 32 top end is provided with limiting block 33, and limiting block 33 inside is provided with internal thread pipe 34, and second oval tube 31 and first limiting pipe 32 bottom end are connected with base 35 in common, and second oval tube 31 top end is provided with second dust ring 36, and second oval tube 31 outer edge surface sticks to first dust ring 12 inner edge surface, and second dust ring 36 inner edge surface sticks to second lifting mechanism 4 outer edge surface, and second lifting mechanism 4 includes third oval tube 41, and third oval tube 41 inside fixedly connected with second limiting pipe 42, and second limiting pipe 42 inside top end is provided with internal thread block 44, and internal thread block 44 inside screw installation has outer thread pipe 45, and outer thread pipe 45 is provided with screw column 43 inside, and third oval tube 41 top end is fixedly connected with the bottom of box 21, and screw column 43 top end penetrates box 21, and extends into box 21 inside.

[0023] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An elliptical tube lift column plastic kit comprising a support mechanism (1) characterized by: The support mechanism (1) includes a first elliptical pipe (11), the first dustproof ring (12) is clamped at the top end of the first elliptical pipe (11), and the first lifting mechanism (3) is slidably arranged in the first elliptical pipe (11), the second lifting mechanism (4) is slidably installed in the first lifting mechanism (3), the mounting seat (2) is connected to the top end of the second lifting mechanism (4), the mounting seat (2) includes a box body (21), the cover plate (22) is covered at the top end of the box body (21), and the first lifting mechanism (3) includes a second elliptical pipe (31).

2. An elliptical tube lift column plastic kit according to claim 1, characterized in that: The first elliptical pipe (11) is annular runway-shaped in cross section, and a sealing plate for mounting is arranged at the bottom of the first elliptical pipe (11).

3. An elliptical tube lift column plastic kit as claimed in claim 1, characterized by: The second elliptical pipe (31) is internally provided with a first limiting pipe (32), the first limiting pipe (32) is provided with a limiting block (33) at the top end, the limiting block (33) is internally provided with an internally threaded pipe (34), the second elliptical pipe (31) and the first limiting pipe (32) are jointly connected with a base (35) at the bottom, and the second elliptical pipe (31) is provided with a second dustproof ring (36) at the top end.

4. An elliptical tube lift column plastic kit as claimed in claim 3, characterized by: The outer edge surface of the second elliptical pipe (31) is attached to the inner edge surface of the first dustproof ring (12), and the inner edge surface of the second dustproof ring (36) is attached to the outer edge surface of the second lifting mechanism (4).

5. An elliptical tube lift column plastic kit as defined in claim 1, wherein: The second lifting mechanism (4) includes a third elliptical pipe (41), the third elliptical pipe (41) is fixedly connected with a second limiting pipe (42) internally, the second limiting pipe (42) is provided with an internally threaded block (44) at the top end internally, and the internally threaded block (44) is spirally installed with an externally threaded pipe (45) internally.

6. An elliptical tube lift column plastic kit as claimed in claim 5, characterized by: The externally threaded pipe (45) is internally provided with a threaded column (43), the top end of the third elliptical pipe (41) is fixedly connected with the bottom end of the box body (21), the threaded column (43) penetrates through the box body (21) at the top end and extends into the box body (21) internally.

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