CN2581788Y

CN2581788Y - Protector for metal pipe fitting

Info

Publication number: CN2581788Y
Application number: CN 02284968
Authority: CN
Inventors: 许明信
Original assignee: ZHONGJU INDUSTRY Co Ltd
Current assignee: ZHONGJU INDUSTRY Co Ltd
Priority date: 2002-11-12
Filing date: 2002-11-12
Publication date: 2003-10-22
Anticipated expiration: 2012-11-12

Abstract

The utility model relates to a protector for a metal pipe fitting, which is coated on the peripheral surface of an angular pipe union connected with a delivery pipe. The utility model comprises two semi-circular pipe bodes in a right angle shape bending type, wherein a connecting sheet is connected between the two semi-circular pipe bodies. The end heads of the two semi-circular pipe bodies are diminishing conical ring surfaces, and the parts adjacent to each conical ring surface are respectively provided with a hooking piece and an embedding sheet which correspond to each other; each hooking piece and each embedding sheet can be embedded and clamped into a hollow pipe body which forms a right angle shape bending type and is coated on the periphery of the angular pipe union, and the conical ring surfaces of the two semi-circular pipe bodies are combined into a conical pipe. The conical pipe is tightly attached to the peripheral surface of the delivery pipe, and the inner diameter of the corresponding part of the hollow pipe body and the angular pipe union is larger than the outer diameter of the angular pipe union. The utility model not only can be coated on the periphery of the angular pipe union to form a protective layer but also can provide an expanding space for the angular pipe union at the time of thermal expansion, and the deformation and breakage of the angular pipe union can be avoided; moreover, the construction is very convenient.

Description

The metal tube fittings protective gear

[technical field]

The utility model relates to a kind of metal tube fittings protective gear.

[background technique]

Along with prosperity of economy, the house also is transformed into brick earlier from previous wooden structure to be made and is transformed into concrete structure again, and in the process of building, need set various water power pipelines certainly.And general water power pipeline is to utilize plastic tube, but the pipeline of supply bathroom hot water because the misgivings pipeline can be heated and deliquescing, therefore must utilize metal tube as delivery pipe.In the setting of pipeline, can run into the place that bent angle is arranged certainly, as shown in Figure 1, the water and electricity worker just needs to cooperate an elbow 1 (or three-way pipe) to this, come with connecting tube as two delivery pipes 2, this elbow 1 can reach the effect of two delivery pipes 2 that continue admittedly, but, after concrete is filled out in filling, concrete 3 will tightly be coated on the side face of elbow 1, and when the delivering hot water, because object meeting expansion after meeting heat, but elbow 1 is subject to the tight coating of concrete 3, therefore can't expand outwardly, so that in use for some time, elbow 1 will deform, when serious in addition excessive the causing of stress break, or itself and delivery pipe 2 are spirally connected or the jointing that welds breaks, and cause pipeline to leak.

In order to prevent that aforementioned drawback of leaking from producing, someone develops the modification method at elbow 1 side face winding insulation material, by setting up of insulation material, not only have outside the heat insulation effect, be elastomer because of the insulation material simultaneously, can make 3 of elbow 1 and concrete form a buffer area, when avoiding elbow 1 to meet thermal expansion and replacing of concrete 3 and form stress, to prevent the deformation fracture of bend pipe pipe joint.But, because the thinner thickness of thermal insulating material, so that its effect is limited, simultaneously, needs advanced line pipe drive test examination behind pipe arrangement, observe whether the thing of stopping up or leaking is arranged, after definite pipeline was normal, the beginning can be incubated the winding processing of material, yet pipeline all is the centre that is positioned at reinforcing bar, hand to be stretched into the winding inconvenience very that is incubated material, therefore be necessary to be improved.

[model utility content]

The purpose of this utility model is to provide a kind of metal tube fittings protective gear; not only can be coated on the periphery of elbow, form a protective layer, the space of expanding in the time of more providing to meet thermal expansion simultaneously for elbow; and can avoid the deformation fracture of elbow, and construction is also very convenient.

In order to achieve the above object; the utility model provides a kind of metal tube fittings protective gear; it is the outer circumferential face that is coated on the elbow that connects delivery pipe; it is characterized in that: it comprises the two halves pipe body of the shape bending that meets at right angles; connect by connecting sheet in the middle of this two halves pipe body; the termination of this two halves pipe body is diminishing conical ring face; and be provided with corresponding part and the dummy slider of colluding respectively at nearly conical ring face place; this colludes the hollow tube that part and dummy slider hook inlay card form the rectangular-shaped bending of the periphery that is coated on this elbow; and the conical ring face of two halves pipe body is combined into a Taper Pipe; this Taper Pipe is posted by this delivery pipe outer circumferential face closely, and the internal diameter of this hollow tube and this elbow corresponding part is greater than the external diameter of elbow.

The utility model also provides a kind of metal tube fittings protective gear; it is the outer circumferential face that is coated on the three-way pipe that connects delivery pipe; it is characterized in that: it comprises two semicircle bodys that become the T shape; connect by connecting sheet in the middle of this two halves pipe body; the termination of this two halves pipe body is diminishing conical ring face; and be provided with corresponding part and the dummy slider of colluding respectively at nearly conical ring face place; this colludes the hollow tube that part and dummy slider hook inlay card form the T shape of the periphery that is coated on this three-way pipe; and the conical ring face of two halves pipe body is combined into a Taper Pipe; this Taper Pipe is posted by this delivery pipe outer circumferential face closely, and the internal diameter of this hollow tube and this three-way pipe corresponding part is greater than the external diameter of this three-way pipe.

Metal tube fittings protective gear of the present utility model; be to be coated on the elbow of connection delivery pipe or the outer circumferential face of three-way pipe; not only can be as the protection of elbow or three-way pipe; its inner internal diameter is greater than the external diameter of this elbow or three-way pipe simultaneously; and can provide the activity space that expands with heat and contract with cold for elbow or three-way pipe, avoid the deformed damaged of elbow or three-way pipe.

For being easier to understand structure of the present utility model and the effect that can reach, cooperate now

Graphic explanation is as back:

[description of drawings]

Fig. 1 is the schematic representation that the metal tube commonly used sets elbow.

Fig. 2 is the structural representation of the utility model one preferred embodiment.

Fig. 3 is the utility model embodiment's a user mode schematic representation.

Fig. 4 is another preferred embodiment structural representation of the utility model.

Fig. 5 is another embodiment's of the utility model a user mode schematic representation.

[embodiment]

At first see also Fig. 2; protective gear 4 of the present utility model is the semicircle bodys 41 by two corresponding rectangular-shaped bendings; 42 utilize a connecting piece 43 to be connected by the centre; simultaneously; two halves pipe body 41; 42 termination, both sides is diminishing conical ring face 44; 45; and establish at nearly conical ring face 44 places, termination, semicircle body 41 both sides and to collude part 46 with the ㄇ shape; on semicircle body 42 with collude part 46 opposite positions and then establish the dummy slider 47 that colludes body with tool; thereby as shown in Figure 3; at pipe arrangement and after testing; just the semicircle body 41 (42) of protective gear 4 can be coated on elbow 6 places; again second half pipe body 42 (41) is pushed closing to it; can utilize and collude part 46 and dummy slider 47 phase inlay cards; make the bent angle shape body that forms a hollow; and make protective gear 4 be coated on the outer circumferential face of elbow 6; the conical ring face 44 of while two ends; 45 form a Taper Pipe 48; and the internal diameter of this Taper Pipe 48 is just identical with the external diameter of delivery pipe 7; so can fit in the outer circumferential face of delivery pipe 7 closely; then after concrete eight is filled out in filling; by concrete eight protective gear 4 is sealed; and make protective gear 4 inner formation one contain the enclosed space of air; protective gear 4 volume inside are big than elbow 6 simultaneously; therefore; the periphery that not only can utilize protective gear 4 to cover elbow 6 forms a protective surface; inner simultaneously air is best thermal insulator; can be to form the function of insulation by the hot water of elbow 6; and most importantly; because the inside of protective gear 4; the internal diameter of the bent angle shape body of hollow is greater than the external diameter of elbow 6; provide an expansive space so can be elbow 6 chance thermal expansions; make elbow 6 not produce the misgivings of stress; and can prolong the life-span of using; and because of the action that only need push fastening can allow protective gear 4 fixed positions; therefore no matter when pipe arrangement with regard to fit; or tie up at reinforcing bar and need stretch into wherein that cover covers after establishing; still can assemble fit easily, and have the convenience of construction.

The inferior Fig. 4 that sees also; because in assembling delivery pipe 7; sometimes be not to utilize elbow 6 to continue; but utilize three-way pipe; therefore protective gear 5 also can be by the semicircle body 51 of two T shapes; 52 utilize connecting sheet 53 to link forms; it is same that respectively to hold neck at it also be a conical ring face 54; 55; and at nearly conical ring face 54; 55 places establish respectively with corresponding part 56 and the dummy slider 57 of colluding; so as shown in Figure 5; same protective gear 5 can utilize the mutual hook of colluding part 56 and dummy slider 57; and can be coated on the outer circumferential face of three-way pipe 9; and two conical ring faces 54; 55 also form a Taper Pipe 48 behind fit; be posted by the outer circumferential face of delivery pipe 7 closely, and the inside of protective gear 5 is big than three-way pipe 9 also, thereby; protective gear 5 has easy construction too; and have heat insulation function, and the expansive space of three-way pipe 9 when meeting thermal expansion can be provided, break to avoid three-way pipe to deform.

Claims

1; a kind of metal tube fittings protective gear; it is the outer circumferential face that is coated on the elbow that connects delivery pipe; it is characterized in that: it comprises the two halves pipe body of the shape bending that meets at right angles; connect by connecting sheet in the middle of this two halves pipe body; the termination of this two halves pipe body is diminishing conical ring face; and be provided with corresponding part and the dummy slider of colluding respectively at nearly conical ring face place; this colludes the hollow tube that part and dummy slider hook inlay card form the rectangular-shaped bending of the periphery that is coated on this elbow; and the conical ring face of two halves pipe body is combined into a Taper Pipe; this Taper Pipe is posted by this delivery pipe outer circumferential face closely, and the internal diameter of this hollow tube and this elbow corresponding part is greater than the external diameter of elbow.

2; a kind of metal tube fittings protective gear; it is the outer circumferential face that is coated on the three-way pipe that connects delivery pipe; it is characterized in that: it comprises two semicircle bodys that become the T shape; connect by connecting sheet in the middle of this two halves pipe body; the termination of this two halves pipe body is diminishing conical ring face; and be provided with corresponding part and the dummy slider of colluding respectively at nearly conical ring face place; this colludes the hollow tube that part and dummy slider hook inlay card form the T shape of the periphery that is coated on this three-way pipe; and the conical ring face of two halves pipe body is combined into a Taper Pipe; this Taper Pipe is posted by this delivery pipe outer circumferential face closely, and the internal diameter of this hollow tube and this three-way pipe corresponding part is greater than the external diameter of this three-way pipe.