CN2155405Y - steel pipe support - Google Patents

Abstract

A steel pipe strut is formed by combining an inner pipe and an outer pipe; the top end of the inner pipe is fixedly connected with an upper top plate, and the inner pipe wall of the inner pipe is provided with an adjusting hole; the lower section of the outer pipe forms a long pipe part, the upper section of the outer pipe forms an adjusting part, the long pipe part and the adjusting part are made of the same pipe body and are formed by rolling, the adjusting part is made into a thread section with a bead tooth shape and can be matched with the screw arrangement of a screw cap, the bottom end of the long pipe part is fixedly connected with a lower supporting plate, and the adjusting part is provided with a long groove; when the inner pipe is placed into the outer pipe, the fixing bolt is inserted into the strip groove and the adjusting hole for fixing, and when the nut is rotated, the nut props the fixing bolt, so that the inner pipe is propped upwards, and the supporting function of the steel pipe strut is achieved; the structure is strong, and is not easy to be brittle under load, thereby saving materials and reducing processing cost.

Description

The utility model relates to a steel pipe support, in particular to a steel pipe support of an outer pipe adjustment part.

In general construction and manufacturing projects, steel pipe pillars are often used to support the formwork, and the general steel pipe pillar 1, please refer to Figure 1, the steel pipe pillar 1 is generally composed of inner pipe 2 and outer pipe 3, And interior pipe 2 is to have suitable pipe length, and its top end is welded solid upper top plate 21, and the pipe wall radially of its interior pipe 2 is provided with the adjustment hole 240 that is equiaxial arrangement; (shown) is formed by welding the long tube part 31 of the lower segment and the adjusting part 340 of the upper segment. The adjusting part 340 can also be screwed with the nut 4, and the bottom end of the long tube part 31 is fixedly connected with the lower support plate 33. The adjustment part 340 is provided with a long slot 34 in the axial direction, the outer tube 3 can be inserted into the inner tube 2, and the fixing bolt 5 is inserted into the long slot 34 of the outer tube 3 and the adjustment hole 240 of the inner tube 2. When the nut 4 is rotated, the nut 4 can mainly support the fixed bolt 5, so as to force the inner pipe 2 to move up and support the supporting function of the steel pipe pillar 1; the above-mentioned steel pipe Although the pillar has a simple structure and is easy to use, however, there are still many unsatisfactory defects that need to be solved in practical applications:

1. Usually, the adjustment part 340 of the outer tube 3 is made into a square screw-shaped thread section, and the square screw has a certain tooth depth when it is machined, so the wall thickness of the adjustment part 340 on the upper part of the outer tube 3 must be relatively thick. The long tube part 31 of the lower part of the outer tube 3 has a large wall thickness (if it is smaller, the strength of the threaded section will not be enough), so the adjustment part 340 of the outer tube 3 is different from the long tube part 31 due to the difference in pipe diameter (such as the long tube part The pipe diameter of the adjustment part is the same as that of the adjustment part, then the material will be wasted), and welding must be used to weld it into one body. In this way, the outer pipe 3 will not have the Structural strength, but unable to play its supporting function.

2. The adjustment part 340 of the outer tube 3 and the long tube part 31 are processed by welding, and the processing cost is increased due to one more welding process.

3. Because the adjustment part 340 of the outer tube 3 is a thread section made of a square thread shape, in actual use, the mud attached to the thread section of the adjustment part 340 is often due to the relationship that the adjustment part 340 is a square thread shape. , and it is not easy to peel off the mud, so that it will cause the adjustment part 340 of the entire outer tube 3 to be covered with mud, and the convenient use of disassembly cannot be achieved; in today's pursuit of ideals, practicality and progress , the above-mentioned unloading traps become the goal of striving for improvement.

The main purpose of this utility model is to provide a steel pipe pillar, the long pipe part and the adjustment part of the outer pipe are made of the same pipe body, so that the overall outer pipe has excellent structural strength and is not easily affected. The load is brittle and can play its supporting function.

The secondary purpose of this utility model is to provide a steel pipe pillar, the adjustment part of the outer tube is formed by rolling to form a pearl-shaped thread section, so the adjustment part of the outer tube is attached during use. The mud is easily peeled off, making it easy to remove.

Another object of the present utility model is to provide a steel pipe pillar, the long pipe part and the adjustment part of the outer pipe are integrally made of pipe materials with the same pipe diameter, so the waste of materials can be saved, and multiple One welding process can reduce the processing cost.

The purpose of this utility model is achieved by the following technical solutions.

A steel pipe pillar, which is composed of an inner pipe and an outer pipe; an upper top plate is fixedly connected to the top of the inner pipe, and the inner pipe wall is radially provided with adjustment holes arranged in an equiaxial distance; the The lower part of the outer tube forms a long tube part, while its upper part forms an adjustment part. The adjustment part is screwed by a nut. There is a long slot, the inner tube is inserted into the outer tube, and the fixing bolt is inserted into the long slot of the outer tube and the adjustment hole of the inner tube. Therefore, when the nut is turned At the same time, the nut will be able to support the fixing bolt upwards, so as to force the inner tube to support and move upwards, so as to achieve the supporting function of the steel pipe pillar; its main features are:

The long tube part and the adjusting part of the outer tube are integrally formed by the same tube body, and the adjusting part is made of a pearl-shaped thread segment.

The purpose of the utility model can also be further realized by the following technical solutions. Wherein the threaded section formed by the adjustment part of the outer tube has a semi-circular arc shape.

Compared with the prior art, the utility model has obvious advantages. Due to the adoption of a new technical scheme, it is composed of an inner tube and an outer tube; the inner tube has a predetermined length, and its top is fixed to an upper top plate, and the inner tube wall is radially opened with equiaxed Adjustment holes arranged at a distance; the lower part of the outer tube forms a long tube part, while the upper part forms an adjustment part, which can be screwed with the nut. The bottom end of the long tube part is fixed to a support plate, and the adjustment part is opened along the axial direction There is a long slot, the outer tube can be inserted into the inner tube, and by inserting the fixing bolt into the long slot of the outer tube and the adjustment hole of the inner tube, when the nut is turned, the nut can be moved Support the fixed bolt upwards to force the inner pipe to move upwards to achieve the supporting function of the steel pipe pillar; its main features are: the long pipe part and the adjustment part of the outer pipe are made of the same pipe body, In addition, the adjustment part is formed by roll forming and made into a bead-shaped thread section; therefore, with the special structural design of the outer tube, it can have a good supporting strength and is not easy to be brittle, and can make the The mud stained on the adjustment part of the outer pipe is easily peeled off and removed. Therefore, in summary, the steel pipe pillar of the present invention, through the special structural design of the outer tube, can make the present utility model have the following advantages and effects in practical application:

1. The long tube part and the adjustment part of the outer tube are made of the same tube body, so the integral outer tube has excellent structural strength and is not easy to be brittle under load (the previous outer tube was very easy to be welded from a long The weld between the pipe part and the adjustment part is broken), which can play its good supporting function.

2. The adjustment part of the outer tube is formed by rolling to form a bead-shaped (semi-arc-shaped) thread section, so the formwork mud attached to the adjustment part of the outer tube is easily peeled off during use, making it It is removed, because the adjustment part is formed with a semi-arc-shaped thread, so when mud adheres, it can be easily knocked off with a light tap, unlike the conventional square screw-shaped adjustment part, which is difficult to peel off and remove.

3. Because the long pipe part and the adjustment part of the outer pipe are integrally made of pipe materials with the same pipe diameter, material waste can be saved, and one more welding process can be avoided, thereby reducing the processing cost.

The steel pipe pillar of the present invention will be described in detail below through preferred embodiments and accompanying drawings.

Fig. 1 is a schematic diagram of installation of a conventional steel pipe support.

Fig. 2 is a three-dimensional structural view of an outer tube adjustment part of a conventional steel tube support.

Fig. 3 is an exploded perspective view of a preferred embodiment of the present invention.

Fig. 4 is a partial enlarged view of the outer tube adjustment part of the preferred embodiment of the present invention.

Fig. 5 is a combined sectional view of a preferred embodiment of the present invention.

Please refer to Fig. 3, Fig. 4 and Fig. 5, the steel pipe pillar 10 of the present invention is composed of an inner pipe 20 and an outer pipe 30; The top plate 201 and the upper top plate 201 are used to support the upper plate formwork (not shown in the figure), and the tube wall of the inner tube 20 is radially provided with adjustment holes 202 arranged in equiaxes; the lower section of the outer tube 30 forms a long tube part 301, while the upper section forms an adjustment part 302, which can be screwed with the nut 40. The bottom end of the long tube part 301 is fixedly connected with a lower support plate 304, and the adjustment part 302 is provided with a long groove 303 in the axial direction, so that The outer tube 30 can be inserted into the inner tube 20, and by inserting the fixing bolt 50 into the elongated groove 303 of the outer tube 30 and the adjustment hole 202 of the inner tube 20, when the nut 40 is turned, the The nut 40 can support the fixing bolt 50 upwards, so as to force the inner pipe 20 to support and move upwards, so as to achieve the supporting function of the steel pipe pillar 10; Do further narration; And now only be specially explained as follows with regard to the characteristic part of the present utility model:

The long pipe portion 301 and the adjustment portion 302 of the outer pipe 30 of the present utility model are made of pipe materials with the same wall thickness and integrated into one body, and the adjustment portion 302 is matched with the inner mold and rolled by a roller (not shown). Forming to make a thread segment with a pearl tooth shape (semi-arc shape).

The adjustment part 302 of the outer tube 30 of the present utility model is formed by rolling, so the screw teeth formed by the adjustment part 302 have a certain tooth depth, and because the upper section of the outer tube 30 is rolled by the gravity of the roller, its outer The pipe wall material of pipe 30 can be extended to form the upper half part that has thread because of being squeezed, so can not have the situation of the waste material that produces with car screw thread in the past, therefore, when outer pipe 30 upper section of the utility model wants When forming the adjustment part 302 with screw teeth by rolling, the wall thickness of the upper section of the outer tube 30 is the same as the wall thickness of the long tube part 301 of the lower section, that is to say, the adjustment part 302 and the long tube part 301 adopt the same wall thickness. The pipe material can be made in one piece.

Claims (2)

1, a kind of tubular steel post, it is combined by interior pipe and outer tube; The top of pipe is connected with a upper plate in described, and its inner tubal wall radially offers the adjustment hole of wheelbase arrangements such as being; The hypomere of described outer tube forms long tube portion, its epimere then forms the adjustment part, described adjustment part is established by the spiral shell of nut, described long tube portion bottom is connected with fagging, and described adjustment part offers rectangular groove vertically, pipe is inserted described outer tube in described, and by dead bolt plant described outer tube rectangular groove and described on the adjustment hole of pipe, therefore, when the turn nut, to make described nut can up shore described dead bolt, with force described in pipe take advantage of a situation up hold mobile, to reach the function of carrying of described tubular steel post; Its principal character is:

The long tube portion of described outer tube and adjustment part are to be made by same body is one-body molded, and wherein said adjustment part is to make the thread segment with pearl tooth shape.

2, tubular steel post according to claim 1 is characterized in that: the formed thread segment in the adjustment part of described outer tube, its pearl tooth are to form the semicircle arcuation.

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