Plastic external member for circular tube lifting upright post

Abstract

The utility model discloses a round tube lifting stand column plastic external member which comprises a supporting mechanism, the supporting mechanism comprises a first round tube, a first dustproof ring is clamped at the top end of the first round tube, and a plurality of first limiting grooves are formed in the first round tube around the axis of the first round tube in an annular array mode at equal intervals. A first lifting mechanism is slidably arranged in the first round pipe, a second lifting mechanism is slidably mounted in the first lifting mechanism, a mounting seat is connected to the top end of the second lifting mechanism and comprises a box, a cover plate covers the top end of the box, and the first lifting mechanism comprises a second round pipe. 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 round 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 structures such as display stands is relatively cumbersome, 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. However, the existing plastic kit is usually square-shaped, and the overall stability of the square-shaped plastic kit is poor. After long-term use, the lift column may become unstable, resulting in a relatively low service life. SUMMARY

[0004] The utility model aims at providing a round tube lift column plastic kit, which has the advantages of stable structure and long service life, and solves the problem of unstable structure of the current lifting mechanism.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a round tube lift column plastic kit, comprising a support mechanism, the support mechanism comprises a first circular tube, the top end of the first circular tube is clamped with a first dust ring, and a plurality of first limiting grooves are arranged at equal intervals in the form of a ring around the axis in the first circular tube, a first lifting mechanism is slidably arranged in the first circular tube, a second lifting mechanism is slidably installed in the first lifting mechanism, an installation seat is connected to the top end of the second lifting mechanism, the installation seat comprises a box body, a cover plate is attached to the top end of the box body, the first lifting mechanism comprises a second circular tube, a plurality of clamping plates are arranged at the bottom end of the outer edge surface of the second circular tube and slide in the first limiting grooves.

[0006] Preferably, a first limiting tube is arranged in the second circular tube, a limiting block is arranged at the top end of the first limiting tube, an internal thread tube is arranged in the limiting block, a base is connected to the bottom end of the second circular tube and the first limiting tube, a second dust ring is arranged at the top end of the second circular tube, and a plurality of second limiting grooves are arranged in the second circular tube.

[0007] Preferably, the inner edge surface of the first dust ring is attached to the outer edge surface of the second circular tube, the inner edge surface of the second dust ring is attached to the outer edge surface of the second lifting mechanism, and a clamping block is arranged at the bottom end of the second dust ring and embedded in the second limiting groove.

[0008] Preferably, the second lifting mechanism comprises a third circular tube, a plurality of protrusions are equidistantly arranged around the axis of the third circular tube at the bottom end of the outer edge surface of the third circular tube, and a second limiting tube is fixedly connected inside the third circular tube, an internally threaded block is arranged at the top end of the second limiting tube, and an externally threaded tube is spirally installed inside the internally threaded block.

[0009] Preferably, a threaded column is arranged in the externally threaded tube, the top end of the third circular tube 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 inside of the box body.

[0010] Preferably, a plurality of limiting strips are equidistantly arranged in a ring array around the axis of the third circular tube at the bottom end of the outer edge surface of the third circular tube, and an anti-disengagement block that slides in the second limiting tube is arranged at the bottom end of the externally threaded tube.

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

[0012] The utility model discloses a first circular tube, first limiting groove, second circular tube, first limiting tube, limiting block, internally threaded tube, base, third circular tube, threaded column, internally threaded block and externally threaded tube are set up, and the threaded column rotates and cooperates the internally threaded tube, and the first lifting mechanism is driven to complete lifting through the limiting block and first limiting tube, and the base abuts the bottom end of the second limiting tube, and the internally threaded block at the top end of the second limiting tube spirally cooperates the externally threaded tube, drives the third circular tube to complete lifting, and the first limiting groove and the second limiting groove that are arranged in the first circular tube and the second circular tube can be limited when the lifting stand lifts, prevent the relative rotation between the first circular tube and the second circular tube, have strong structural stability, and prolong the service life of the lifting stand. 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 explosion drawing of the utility model;

[0015] Figure 3 It is the vertical section structure schematic drawing of the utility model;

[0016] Figure 4 It is the vertical section structure schematic drawing of the utility model Figure 3 in the first lifting mechanism;

[0017] Figure 5 It is the vertical section structure schematic drawing of the utility model Figure 3 in the second lifting mechanism.

[0018] The reference signs and names in the drawing are as follows:

[0019] 1, support mechanism; 11, first circular tube; 12, first dustproof ring; 13, first limiting groove; 2, mounting seat; 21, box body; 22, cover plate; 3, first lifting mechanism; 31, second circular tube; 32, first limiting tube; 33, limiting block; 34, internally threaded tube; 35, base; 36, second dustproof ring; 37, second limiting groove; 4, second lifting mechanism; 41, third circular tube; 42, second limiting tube; 43, threaded column; 44, internally threaded block; 45, externally threaded tube. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below 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 skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "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 limited by "first", "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 explicitly specified and limited.

[0022] In the embodiments of the present application, unless otherwise explicitly specified 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 skilled 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.

[0023] Please refer to Figures 1 to 5The utility model provides a kind of embodiment: a round tube lifting stand column plastic kit, including support mechanism 1, support mechanism 1 includes first round pipe 11, first round pipe 11 top end and have first dust ring 12, and first round pipe 11 inside around its axis is ring array equidistantly opened with several first limiting slot 13, first round pipe 11 inside slidingly provided with first lifting mechanism 3, first lifting mechanism 3 inside slidingly installed with second lifting mechanism 4, second lifting mechanism 4 top end is connected with mounting seat 2, mounting seat 2 includes box 21, box 21 top end is covered with cover plate 22, first lifting mechanism 3 includes second round pipe 31, the outer edge surface bottom of second round pipe 31 is structured with several clamping plates sliding in first limiting slot 13, first limiting tube 32 is provided in second round pipe 31, limiting block 33 is provided in first limiting tube 32 top end, inner thread pipe 34 is provided in limiting block 33 inside, second round pipe 31 and first limiting tube 32 bottom end are commonly connected with base 35, second round pipe 31 top end is provided with second dust ring 36, and several second limiting slot 37 are provided in second round pipe 31 inside, the outer edge surface of second round pipe 31 is pasted the inner edge surface of first dust ring 12, the inner edge surface of second dust ring 36 is pasted the outer edge surface of second lifting mechanism 4, and the clamping block of second dust ring 36 bottom end is set in second limiting slot 37, second lifting mechanism 4 includes third round pipe 41, the outer edge surface bottom of third round pipe 41 is structured with several lugs around its axis equidistantly, and second limiting tube 42 is fixedly connected in third round pipe 41 inside, inner thread block 44 is provided in second limiting tube 42 inside top end, outer thread pipe 45 is spirally installed in inner thread block 44 inside, and thread column 43 is provided in outer thread pipe 45, third round pipe 41 top end is fixedly connected with box 21 bottom end, thread column 43 top end penetrates box 21, and extends into box 21 inside, the outer edge surface bottom of third round pipe 41 is structured with several limiting strips around its axis equidistantly in ring array, and the anti -drop block of outer thread pipe 45 bottom end is set in second limiting tube 42 and slides.

[0024] 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 the utility model can be realized in other specific forms without departing from the spirit or basic features thereof. 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. A plastic kit for a circular tube lifting column, comprising a support mechanism (1), characterized in that: The support mechanism (1) includes a first circular tube (11), the top end of which is fitted with a first dustproof ring (12), and the inside of the first circular tube (11) is provided with a plurality of first limiting grooves (13) arranged in a ring array around its axis. A first lifting mechanism (3) is slidably arranged inside the first circular tube (11), and a second lifting mechanism (4) is slidably installed inside the first lifting mechanism (3). The top end of the second lifting mechanism (4) is connected to a mounting base (2), the mounting base (2) includes a housing (21), the top end of the housing (21) is covered with a cover plate (22), the first lifting mechanism (3) includes a second circular tube (31), and the bottom end of the outer edge of the second circular tube (31) is provided with a plurality of clamping plates that slide in the first limiting grooves (13).

2. The plastic kit for a circular tube lifting column according to claim 1, characterized in that: The second round tube (31) is provided with a first limiting tube (32) inside. The first limiting tube (32) is provided with a limiting block (33) at the top end. The limiting block (33) is provided with an internal thread tube (34). The bottom ends of the second round tube (31) and the first limiting tube (32) are connected to a base (35). The top end of the second round tube (31) is provided with a second dustproof ring (36). The second round tube (31) is provided with a plurality of second limiting grooves (37) inside.

3. The plastic kit for a circular tube lifting column according to claim 2, characterized in that: The outer edge of the second round tube (31) is attached to the inner edge of the first dustproof ring (12), the inner edge of the second dustproof ring (36) is attached to the outer edge of the second lifting mechanism (4), and the bottom end of the second dustproof ring (36) is provided with a card block embedded in the second limiting groove (37).

4. The plastic kit for a circular tube lifting column according to claim 1, characterized in that: The second lifting mechanism (4) includes a third round tube (41). The bottom of the outer edge of the third round tube (41) is equidistantly constructed with several protrusions around its axis. A second limiting tube (42) is fixedly connected inside the third round tube (41). An internal threaded block (44) is provided at the top of the inside of the second limiting tube (42). An external threaded tube (45) is spirally installed inside the internal threaded block (44).

5. A plastic kit for a circular tube lifting column according to claim 4, characterized in that: The external threaded tube (45) is provided with a threaded post (43), the top end of the third round tube (41) is fixedly connected to the bottom end of the box (21), and the top end of the threaded post (43) penetrates the box (21) and extends into the interior of the box (21).

6. The plastic kit for a circular tube lifting column according to claim 4, characterized in that: The bottom edge of the third circular tube (41) is arranged in a ring array with several limiting strips at equal intervals around its axis, and the bottom end of the external threaded tube (45) is provided with an anti-detachment block that slides inside the second limiting tube (42).

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