CN2169023Y

CN2169023Y - PU foamed heat isolating pipe case with joint structure

Info

Publication number: CN2169023Y
Application number: CN 93215076
Authority: CN
Inventors: 李永丰
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-05-27
Filing date: 1993-05-27
Publication date: 1994-06-15
Anticipated expiration: 2003-05-27

Abstract

The utility model relates to the tongue-and-groove joint structure of a PU foamed heat isolating pipe plate for heat isolating pipes, comprising an upper and a lower heat isolating plates which can completely cover the outer ring of a pipe body. Each heat isolating plate is made of foamed materials with low heat-conduction coefficient and is provided with a tongue-and-groove which can be merged and connected. The utility model is characterized in that the tongues-and grooves of the upper and the lower heat isolating plates are provided with corresponding steps; the two heat isolating plates can be more tightly connected with the help of the vertical walls and the vertical angles of the steps and the connecting seam of the two heat isolating plates is prolonged to prevent the pipe body which is covered in the two isolating pipes from heat conducting dissipation. The heat isolating effect of a whole body is increased.

Description

PU foamed heat isolating pipe case with joint structure

The utility model relates to a kind of PU foam thermal insulation pipe warming plate tongue and groove and merges the design that is connected structure, especially refer to a kind of air-conditioning body, freezing tank, liquefaction saving and haulage device of being applicable to ... Deng, its appearance or thermal insulation pipe coat insulation, reduce the conduction of heat performance, keep most effective one the having tongue and groove and merge the PU foam thermal insulation pipe warming plate that is connected structure of cold insulation.

Under physical action, two articles has different temperatures, promptly can assimilate the temperature of its surrounding environment, and transmission of heat takes place each other, and the reception and registration of high temperature is in low temperature.Heat insulation work a kind of, being the material that makes as cold body remains in the state of cold insulation efficient the best, that is with of the conduction of the low material integral coating of particular thermal conductivity coefficient with isolated external heat, reach the unlikely raising of temperature of cold body, in like manner, be incubated that especially the cold insulation work disposal is proper, expending of its freezing main frame energy just can reduce to minimum, the essential meaning with energy saving.

Traditional PU foam thermal insulation pipe warming plate tongue and groove merges and is connected structure, as shown in Figure 1, in the one thermal insulation pipe 10 the petrochemical industry liquid or the freezing liquid material that can take up temperature utmost point low temperature, take up the cold insulation effect that thing can keep the best in this body for making, so often need outside in body with the low material of particular thermal conductivity coefficient, as synthetic fiber, the PU foam, polyurethane (PU) ... Deng cold insulation material, warm plate ladle cover cold insulation is in addition wrapped in the coating of tailoring into given shape, right its known traditional type warming plate 11,12 give the outer periphery that the ladle cover ring is overlying on this thermal insulation pipe 10, while two warming plates 11,12 in to when group its edge establish that respectively to develop face 13 be to be wall applying shape, so in fact this joint tongue and groove is to be a seam body groove structure, heat is scurried into via this in-line arrangement slit easily, and then the cold insulation effect is reduced, extremely undesirable.

Main purpose of the present utility model, tie up in improving above-mentioned traditional warming plate and merge the bad shortcoming of linking tongue and groove structure spatial shape, and a kind of PU foam thermal insulation pipe warming plate that tongue and groove merge to be connected structure that has is provided, it designs on the involutory contact edge of warming plate class's face, allow its class's face because of having setting up of vertical wall and vertical dead angle, make this joint tongue and groove be a kind of slit of continuous bend turnover spatial shape, its curved shape crease is that the seal at two insulation tongue and groove places is greatly improved, can be higher than simple in-line arrangement groove in the past, so have the effect of guaranteeing the better cold insulation efficient of its thermal insulation pipe.

Another purpose of the present utility model, be for a kind of PU foam thermal insulation pipe warming plate that tongue and groove merges the linking structure that has is provided, its tongue and groove merges and is connected structure because of having step shape joint rim, so integral body is not influenced and the separation that gets loose by minor impact power after warming plate butt joint combination, be a kind of new spatial form that engages the tongue and groove combined strength that improves.

So, for reaching above-mentioned purpose, inventor of the present utility model collection is actual for many years to be engaged in the experience of related work and to inscribe and found that a kind of novel heat insulation pipe warming plate is just a kind of to have tongue and groove and merge the PU foam thermal insulation pipe warming plate that is connected structure, it mainly is to include two warming plates that all right one way or the other ring covers the insulation body, it is connected this warming plate to establish on tongue and groove and has the enterprise that can cooperatively interact and meet class to group, borrow the level that has in this class, vertical subsides to touch face and lean, form tight contact veneer and can promote the cold insulation effect.The set class of described warming plate to group, the commissura end face that promptly lies in a warming plate is provided with one group of class, simultaneously again in another its commissura end face of symmetrical part warming plate be provided with can corresponding aforementioned this class pairing class, the structure of tongue and groove is when two warming plates merge linking whereby, this tongue and groove bonding crack just is a kind of driving fit seam of continuous bend, the spatial shape of analyzing this slit is by near the thermal insulation pipe side from inside to outside, has horizontal inseam respectively, the first turnover dead angle, vertical wall, many places driving fit portions such as the second turnover dead angle and horizontal out-seam, contact edge area in its driving fit seam increases, close edge length is pasted in contact to be increased, when condensing moisture content on the thermal insulation pipe, its moisture content more is added with to block in place, turnover dead angle and prevents that thermal energy conduction from infiltering into warming plate interlayer effect, and the absolute more known traditional type tongue and groove of the utility model is configured with better cold insulation effect for this reason.

For making the public further understanding be arranged, below lift a preferable specific embodiment now and be illustrated in conjunction with the accompanying drawings structure of the present utility model, characteristics.

Fig. 1 is that a known traditional type warming plate is connected the tongue and groove organigram.

Fig. 2 is that the utility model warming plate is connected tongue and groove structure detailed drawing.

Fig. 3 is that the utility model warming plate tongue and groove is connected the enforcement exemplary diagram.

Fig. 4 is the sectional schematic diagram after the combination of the utility model tongue and groove.

See also Fig. 2,3, PU foam thermal insulation pipe warming plate tongue and groove of the present utility model merges and is connected structure mainly is that it cuts open on the linking ora terminalis of portion A both sides and is provided with the class 211 that a plate body is concavity outside the convex on last warming plate 21, its linking ora terminalis that cuts open portion B both sides is provided with a plate body and becomes the corresponding class 221 of indent evagination on the following warming plate 22, two

warming plates

21,22 set in cut open the A of portion, B enterprise and close the space and just be enough to hold one thermal insulation pipe 30, that is the effect that can coat thermal insulation pipe 30 outer periphery and reach cold insulation is closed by the enterprise of two warming plates 21,22.And the warming plate tongue and groove merges in the linking structure, is to be connect with 221 enterprises of corresponding class by its class 211 to constitute.

See also Fig. 2, shown in 4, the tongue and groove of feature of the present utility model is as shown in Figure 4 after merging the linking tectonic association, the spatial shape system of its tongue and groove is a kind of driving fit seam 23 of continuous bending, have first level in this seam body from inside to outside respectively and paste close section 231, it connects last first corner 232 after extending a suitable length, the upwards vertical formation of seam body is vertically pasted close section 233 for one section behind this corner, the formation of this part corner part can cause heat conducting obstruction, another second corner 234 is connected in the upper limb of close section 233 of above-mentioned vertical subsides, afterwards, extend another second level again and paste close section 235, the whole contacting part that forms a class as (Z) shape, so tongue and groove merging spatial shape can greatly increase two warming plates 21, contact applying edge length between 22 can more be guaranteed and enhancement the cold insulation effect.

In sum, PU foam thermal insulation pipe warming plate tongue and groove of the present utility model merges and is connected total contact edge amplitude that structure has improved the warming plate tongue and groove, make the conduction of heat be difficult for entering to internal insulation pipe place via this tongue and groove linking seam, the cold insulation efficient of such work is significantly promoted, have use value.

Claims

1, a kind of PU foam thermal insulation pipe warming plate with tongue and groove merging linking structure, main system includes all right one way or the other ring and covers two warming plates that are incubated body, it is characterized in that:

It is connected this warming plate to establish on tongue and groove and has the enterprise that can cooperatively interact and meet class to group, borrows the level that has in this class, the vertical subsides to touch face and lean, and forms closely the contact veneer and can promote the cold insulation effect.