CN2155405Y - Steel pipe shore - Google Patents

Abstract

The utility model relates to a steel pipe shore which 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 wall of the inner pipe is provided with an adjusting hole. The lower segment of the outer pipe forms a long pipe part, and the upper segment forms an adjusting part. The long pipe part and the adjusting part are made of the same pipe body and formed through rolling, and the adjusting part is made into a thread segment in a bead tooth shape and can be matched with 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 an elongated slot. When the inner pipe is inserted in the outer pipe, fixation is realized by a fixing bolt which is inserted into the elongated slot and the adjusting hole. When the screw cap is rotated, the screw cap supports the fixing bolt to make the inner pipe supported upwards, so the function of the steel pipe shore is achieved. The utility model has high structural strength, difficult brittle failure by the affection of load, material saving and low processing cost.

Description

Steel pipe shore

The utility model relates to a kind of tubular steel post, particularly relates to the tubular steel post of a kind of outer tube adjustment part.

The common buildings manufacturing engineering, often be applied to tubular steel post and come a support plate mould, and general tubular steel post 1, see also shown in Figure 1, its tubular steel post 1 is combined by interior pipe 2 and outer tube 3, and interior pipe 2 is to have suitable pipe range, its top solid welding upper plate 21, and the tube wall of its interior pipe 2 radially offers the adjustment hole 240 of wheelbase arrangements such as being; Outer tube 3(sees also shown in Figure 2) then be that long tube portion 31 by hypomere constitutes with adjustment part 340 solid weldings of epimere, adjustment part 340 also can cooperate the spiral shell of nut 4 to establish, the then affixed fagging 33 down in long tube portion 31 bottoms, and adjustment part 340 offers rectangular groove 34 vertically, outer tube 3 can supply inserting of interior pipe 2, and by the rectangular groove 34 of the insertion outer tube 3 of dead bolt 5 and on the adjustment hole 240 of pipe 2, then when turn nut 4, to make nut 4 Your Majesty shore dead bolt 5, taking advantage of a situation with pipe 2 in forcing up holds mobilely, and reaches the function of carrying of tubular steel post 1; Though above-mentioned tubular steel post has ease of use simple in structure, yet, in the application of reality, still have much and use up desirable defectives and the need solution:

1, usually the adjustment part 340 of outer tube 3 is because of the thread segment of the side's of making thread shape, and square thread when car system because of having certain tooth depth, so adjustment part 340 pipe thicknesses of outer tube 3 epimeres must (be understood not enough as if the intensity of less then thread segment) greatly than long tube portion 31 pipe thicknesses of outer tube 3 hypomeres, so, (caliber as long tube portion and adjustment part is identical because of caliber different for the adjustment part 340 of outer tube 3 and long tube portion 31, then with waste material), and must adopt welding processing, being one with its solid welding, so, then the phenomenon of easy brittle failure will be arranged because of weld 6, and can make outer tube 3 not have structural intensity, and can't bring into play its year of function.

2, soldering is used with long tube portion 31 in the adjustment part 340 of outer tube 3, because of many one welding processes make processing cost increase.

3, the adjustment part 340 because of outer tube 3 is thread segments of the side's of making thread shape, so when reality is used, the mud that thread segment attached of adjustment part 340 is often because of the relation of adjustment part 340 side's of being thread shapes, and be difficult for mud is peeled off, makes its disengaging, to cause the adjustment part 340 of whole outer tube 3 to be stained with mud in the coating thus, use easily and fail to reach dismounting; In pursuing ideal, practicality and progressive today, above-mentioned unloading falls into and just becomes the target that lays siege to improvement.

Main purpose of the present utility model is to be to provide a kind of tubular steel post, and the long tube portion of its outer tube and adjustment part are to be made by same body, so that whole outer tube has splendid structural strength, and be not subject to the load brittle failure, can bring into play its year of function.

Secondary objective of the present utility model is to be to provide a kind of tubular steel post, and the adjustment part of its outer tube is through roll-forming, and makes the thread segment of pearl tooth shape, so the mud that the outer tube adjustment part is in use attached is peeled off, makes its removal easily.

Another purpose of the present utility model is to be to provide a kind of tubular steel post, the long tube portion and the adjustment part of its outer tube, and by the tube material of identical caliber is made into integration, thus can save the waste of material, and can avoid many one welding processing, and can cut down finished cost.

The purpose of this utility model is realized by following technical scheme.

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.

The purpose of this utility model can also further be realized by following technical scheme.The formed thread segment in the adjustment part of wherein said outer tube, its pearl tooth are to form the semicircle arcuation.

The utility model compared with prior art, advantage is fairly obvious.Owing to adopted new technical scheme, it is combined by interior pipe and outer tube; And interior pipe has predetermined pipe range, and the affixed upper plate in its top, and its inner tubal wall radially offers the adjustment hole of wheelbase arrangements such as being; And the hypomere of outer tube forms long tube portion, epimere then forms the adjustment part, and can cooperate the spiral shell of nut to establish, the affixed fagging once in long tube portion bottom, and the adjustment part offers rectangular groove vertically, outer tube can supply inserting of interior pipe, and by the rectangular groove of the insertion outer tube of dead bolt and on the adjustment hole of pipe, when this nut of turn, can make nut can up shore dead bolt, with pipe in forcing take advantage of a situation up hold mobile, to reach the function of carrying of tubular steel post; Its principal character is: the long tube portion of outer tube and adjustment part are to be made by same body, and wherein the adjustment part is through roll-forming, and make the thread segment with pearl tooth shape; Therefore, by the special construction design of outer tube, can make it have good propping up and carry intensity and be difficult for brittle failure, and the mud that the outer tube adjustment part is infected with is peeled off, removed easily.Therefore in sum, tubular steel post of the present utility model, by the special construction design of outer tube, can make the utility model in practical application, have following advantage and an effect:

1, the long tube portion of outer tube and adjustment part are to be made by same body, so the outer tube of tool globality has splendid structural strength, and be not subject to load brittle failure (outer tube in the past very easily ruptures from the weld of welding long tube portion and adjustment part), can bring into play its good year function.

2, the adjustment part of outer tube is through roll-forming, and make the thread segment of pearl tooth shape (semicircle arcuation), so the template die mud that the adjustment part of outer tube is in use attached is very easily peeled off, is made it to be removed, form screw thread with semicircle arcuation because of the adjustment part, when so mud attaches, as long as knock gently it is come off, and, be difficult to peel off, remove unlike the adjustment part of in the past square thread shape.

3, because the long tube portion and the adjustment part of outer tube, by the tube material of identical caliber is made into integration, thus can save the waste of material, and can avoid many one welding processing, and cut down finished cost.

Below by preferred embodiment and accompanying drawing tubular steel post of the present utility model is elaborated.

Fig. 1 is the installing schematic diagram of tubular steel post in the past.

Fig. 2 is the outer tube adjustment part three-dimensional structure diagram of tubular steel post in the past.

Fig. 3 is the exploded perspective view of the utility model preferred embodiment.

Fig. 4 is the partial enlarged drawing of the outer tube adjustment part of the utility model preferred embodiment.

Fig. 5 is the assembled sectional view of the utility model preferred embodiment.

See also Fig. 3, Fig. 4, shown in Figure 5, tubular steel post 10 of the present utility model is combined by interior pipe 20 and outer tube 30; And interior pipe 20 has predetermined pipe range, and its top is connected with upper plate 201, and upper plate 201 is in order to shoring template die (figure do not show), and tube wall of pipe 20 radially offers and is the adjustment hole 202 of waiting the wheelbase arrangement in it; The hypomere of outer tube 30 forms long tube portion 301, epimere then forms adjustment part 302, and can cooperate the spiral shell of nut 40 to establish, long tube portion 301 bottoms are connected with down fagging 304, and adjustment part 302 is offered a rectangular groove 303 vertically, make outer tube 30 can supply inserting of interior pipe 20, and the rectangular groove 303 of going into outer tube 30 by the plant of dead bolt 50 reaches on the adjustment hole 202 of interior pipe 20, when turn nut 40, to make nut 40 can up shore dead bolt 50, with pipe 20 in forcing take advantage of a situation up hold mobile, to reach the function of carrying of tubular steel post 10; Above-described aufbauprinciple is identical with in the past roughly, no longer is further described below at this; And now only partly specified as follows with regard to feature of the present utility model:

The long tube portion 301 of outer tube 30 of the present utility model and adjustment part 302 are the made one that is set as of tube material of identical wall thickness, and wherein adjustment part 302 is to cooperate internal mold and make roll-forming through running roller (figure does not show), and makes the thread segment with pearl tooth shape (semicircle arcuation).

The adjustment part 302 of outer tube 30 of the present utility model is because through roll-forming, so, adjustment part 302 formed threads have certain depth of threat, and because the epimere of outer tube 30 is after the roll-in of running roller gravity, the pipe wall material of its outer tube 30 has the upper half part of thread because of the extensible formation of being extruded, so do not have in the past the situation of the waste material that produces with thread cutting, therefore, when outer tube 30 epimeres desire roll-in formation of the present utility model has the adjustment part 302 of thread, the same the getting final product of long tube portion 301 wall thickness of the wall thickness of its outer tube 30 epimeres and hypomere that is to say that adjustment part 302 and long tube portion 301 adopt the tube material of identical wall thickness to be made into integration to get final product.

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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