Joint type combined steel pipe

Abstract

The utility model discloses a joint type combined steel pipe which comprises a steel pipe body, the steel pipe body comprises a head end and a tail end, an inserting pipe is arranged at the head end, a locking block is arranged on the outer wall of the inserting pipe, a first indicating line is arranged on the outer wall of the end, close to the head end, of the steel pipe body, and the first indicating line points to the locking block. A connecting disc is arranged at the tail end; the steel pipe connecting device has the advantages that steel pipes can be connected in an end-to-end connection mode, the steel pipes can be continuously lengthened according to the length requirement of a use occasion, the steel pipes are fixed by rotating and locking after being inserted, time and labor are not needed to be consumed by manual welding, efficiency is high, and a field worker only lifts one ends of the steel pipes to be inserted and then rotates for connection; and traditional welding can be carried out only by rotating two steel pipes, manpower loss is greatly reduced, the carrying difficulty is lowered, and operation is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steel pipe processing, concretely to a link formula combined steel pipe. BACKGROUND

[0002] Steel pipe is a tubular product made of steel, widely used in construction, machinery, petroleum, chemical industry, transportation and other fields, the specification, size and performance of steel pipe can be customized according to specific requirements, and common standards on the market include GB, ASTM, API and the like. The production and processing technology of steel pipe is continuously developed, which promotes its application in various industries.

[0003] And steel pipe is a root, if length is short when using, multiple steel pipes need to be connected, and the length of steel pipe is prolonged by welding or connecting piece at the connecting place, when connecting steel pipe in large quantities, welding steel pipe and fixed steel pipe need to consume a lot of manpower, and the efficiency is low, and the weight of steel pipe is higher than that of plastic pipe, so that the steel pipe is difficult to operate when connecting. SUMMARY

[0004] (I) technical problem solved

[0005] The technical problem to be solved by the utility model is that when connecting steel pipe in large quantities, welding steel pipe and fixed steel pipe need to consume a lot of manpower, and the efficiency is low, and the weight of steel pipe is higher than that of plastic pipe, so that the steel pipe is difficult to operate when connecting.

[0006] (II) technical scheme

[0007] To solve the above problems, the utility model provides the following technical scheme:

[0008] A link formula combined steel pipe, including steel pipe body, the steel pipe body includes the first end and the tail end, the first end is equipped with the spigot pipe, the spigot pipe outer wall is equipped with locking block, the steel pipe body is close to the first end one end outer wall and is equipped with the first indicating line, the first indicating line points to the locking block, the tail end is equipped with the connecting disc, the connecting disc is close to the tail end one side and is equipped with the spout, the connecting disc is close to the first end one side and is equipped with the fixed groove, the steel pipe body is close to the tail end one end outer wall and is equipped with the second indicating line, the second indicating line points to the fixed groove, the steel pipe body outer wall is equipped with anti -skid line still.

[0009] Further, the steel pipe body is close to the first end one end and is equipped with sealing rubber ring.

[0010] Further, the spigot pipe and the steel pipe body material are same, and are integrally formed with the steel pipe body, the diameter of the spigot pipe is same with the diameter of the connecting disc inner wall.

[0011] Further, the locking block is a semi-circular cross-section column, symmetrically arranged on the outer wall of the plug-in pipe, the shape of the locking block, the shape of the socket and the shape of the fixing groove are the same.

[0012] Further, the socket penetrates the connecting disc, and the fixing groove is a recess opened on one side of the connecting disc.

[0013] (Three) beneficial effects

[0014] The beneficial effects of the utility model are:

[0015] The steel pipes can be connected through the end-to-end connection, and can be continuously extended according to the length requirement of the use occasion, and are fixed by inserting and then rotating and locking, without manual welding, which is time-consuming and laborious, and has high efficiency, only the on-site workers lift one end of the steel pipe, insert it and then rotate it to connect, which saves the traditional welding, which requires rotating two steel pipes, greatly reduces the labor loss, reduces the difficulty of carrying and is convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the perspective view of the utility model;

[0017] Figure 2 is another angle perspective view of the utility model;

[0018] Figure 3 is the connection schematic view of the utility model;

[0019] Figure 4 is the connection side view of the utility model;

[0020] Figure 5 is the A-A cross-sectional view;

[0021] Marked in the figure: 1-steel pipe body, 2-plug-in pipe, 3-first indicating line, 4-connecting disc, 5-socket, 6-fixing groove, 7-second indicating line, 8-anti-skid pattern, 1a-first end, 1b-tail end, 2a-locking block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] In the description of the utility model, need understanding is, the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, so it can not be understood as a limitation on the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a kind of jointed combined steel pipe shown in the drawing, including steel pipe body 1, steel pipe body 1 includes first end 1a and tail end 1b, first end 1a is equipped with spigot 2, spigot 2 outer wall is equipped with locking block 2a, steel pipe body 1 is equipped with first indicating line 3 in the outer wall of one end close to first end 1a, first indicating line 3 is directed to locking block 2a, tail end 1b is equipped with connecting disc 4, connecting disc 4 is equipped with spout 5 in one side close to tail end 1b, connecting disc 4 is equipped with fixed slot 6 in one side close to first end 1a, steel pipe body 1 is equipped with second indicating line 7 in the outer wall of one end close to tail end 1b, second indicating line 7 is directed to fixed slot 6, steel pipe body 1 outer wall is also equipped with anti-skid line 8.

[0025] Steel pipe body 1 is equipped with sealing rubber ring in one end close to first end 1a, after the connection of more than two steel pipe bodies 1, the connecting place is sealed by sealing rubber ring, when being used as water pipe or drainage and liquid pipeline, sealing is carried out by sealing rubber ring, and when being used as protective pipe and structure pipe, sealing rubber ring can be removed.

[0026] Spigot 2 is same in material with steel pipe body 1, and is integrally formed with steel pipe body 1, the diameter of spigot 2 is same with the inner wall diameter of connecting disc 4, and spigot 2 is used as connecting piece for connecting first end 1a and tail end 1b, when connecting, two steel pipe bodies are placed upside down (here, upside down is marked for the convenience of understanding, and can also be left and right and front and back, etc.), i.e. the steel pipe body 1 connected by connecting disc 4 is upper steel pipe, and the lower steel pipe is connected by spigot 2, locking block 2a is connected to spout 5 on connecting disc 4, then spigot 2 in steel pipe body 1 is pushed in, after entering, steel pipe body 1 is rotated, so that second indicating line 7 is aligned with first indicating line 7, at this time, locking block 2a is above fixed slot 6, then lower steel pipe of steel pipe body 1 is pulled down, so that locking block 2a falls into fixed slot 6, fixed slot 6 limits and fixes spigot 2, and the connection of two steel pipe bodies 1 is completed, at this time, there is gap between two steel pipe bodies 1, when separating, the lower steel pipe is pushed up, so that two steel pipe bodies 1 are overlapped, at this time, locking block 2a is ejected from fixed slot 6, then two steel pipe bodies 1 are rotated again or only one of them is rotated, so that first indicating line 3 of lower steel pipe is aligned with first indicating line 3 of upper steel pipe, i.e. lower steel pipe can be pulled out to complete separation.

[0027] Locking block 2a is a semi-circular cross-section column, symmetrically set up in the outer wall of the plug-in pipe 2, the shape of the locking block 2a, the shape of the socket 5 and the shape of the fixed groove 6 are the same, the locking block 2a is used to be fixed by the socket 5 and into the fixed groove 6, and the fixed groove 6 has a bottom to support.

[0028] The socket 5 penetrates the connecting disc 4, and the fixed groove 6 is a recess on one side of the connecting disc. Please refer to Figure 2 The fixed groove 6 is recessed or said to be a notch and has a bottom to support the locking block 2a.

[0029] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0030] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A spliced composite steel pipe, characterized by: The utility model provides a steel pipe body (1) including first end (1a) and tail end (1b), be equipped with the splicing pipe (2) at first end (1a), the splicing pipe (2) outer wall is equipped with locking block (2a), the steel pipe body (1) is equipped with first indicating line (3) near one end outer wall of first end (1a), first indicating line (3) points to locking block (2a), is equipped with the connecting disc (4) at tail end (1b), the connecting disc (4) is equipped with spigot (5) near one side of tail end (1b), the connecting disc (4) is equipped with fixed groove (6) near one side of first end (1a), the steel pipe body (1) is equipped with second indicating line (7) near one end outer wall of tail end (1b), second indicating line (7) points to fixed groove (6), the steel pipe body (1) outer wall is also equipped with antiskid line (8).

2. A spigot-fitted composite steel pipe according to claim 1, characterized in that: The steel pipe body (1) is provided with a sealing rubber ring near one end of the first end (1a).

3. The spliced composite steel pipe according to claim 1, wherein: The splicing pipe (2) is made of the same material as the steel pipe body (1) and is integrally formed with the steel pipe body (1). The diameter of the splicing pipe (2) is the same as the inner diameter of the connecting disc (4).

4. The spliced composite steel pipe according to claim 1, wherein: The locking block (2a) is a semicircular cross-section column, symmetrically arranged on the outer wall of the splicing pipe (2). The shape of the locking block (2a), the shape of the spigot (5), and the shape of the fixed groove (6) are the same.

5. The spliced composite steel pipe according to claim 1, wherein: The spigot (5) penetrates the connecting disc (4), and the fixed groove (6) is a recess formed on one side of the connecting disc.

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