CN215295980U - double-D-shaped pipe and parallel flow evaporator - Google Patents

Abstract

The utility model belongs to the field of radiators, and discloses a double-D-shaped pipe, which comprises two pipe bodies arranged side by side, wherein the section of each pipe body perpendicular to the length direction is D-shaped, and the upper surface of each pipe body is provided with a plurality of sockets for being spliced with radiating pipes; the first inserting plate is formed by connecting two D-shaped plates; two tip of body all are equipped with first slot, the D shaped plate of first picture peg inserts in the first slot of the body that corresponds and through welded mode and body sealing connection. The plugging device is reliable in plugging and more suitable for the working condition of high pressure, and meanwhile, the scheme also discloses a parallel flow evaporator adopting double D-shaped pipes.

Description

double-D-shaped pipe and parallel flow evaporator

Technical Field

The utility model relates to a radiator field, especially a two D type pipes, concurrent flow evaporimeters.

Background

The invention provides an invention patent application with application number ZL201711206229.0 in 2017 by Jingbin cooling and heating technology of the applicant company, and discloses an evaporator which comprises: a 1 st downcomer group comprising a plurality of 1 st heat exchange tubes arranged between a 1 st upper header and a 1 st lower header; and a 2 nd downcomer pipe group consisting of a plurality of 2 nd heat exchange pipes arranged between the 2 nd upper header and the 2 nd lower header and provided on the upstream side of the 1 st downcomer pipe group. The 1 st upper header is provided with a 1 st partition through which the upper ends of the 1 st lower flow tube group communicate, and the 2 nd upper header is provided with a 3 rd partition through which the upper ends of the 2 nd lower flow tube group communicate. A1 st flow dividing control part, in which a 1 st refrigerant passing part for communicating the two sub-zones is formed, is provided between the 1 st and 3 rd sub-zones.

In practical application, two ends of the liquid collecting part need to be blocked, and the existing blocking modes are all connected in a mode that a plug is clamped with the liquid collecting part. This kind of connected mode is unstable, and the end cap drops easily.

The technical problem that the present scheme will solve is: how to improve the plugging reliability of the double D-shaped pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a two D type pipes, its shutoff is reliable, is applicable to the operating mode of high pressure more, and the present case still discloses the concurrent flow evaporimeter who adopts two D type pipes simultaneously.

The utility model provides a technical scheme does: a double-D-shaped pipe comprises two pipe bodies which are arranged side by side, wherein the section of each pipe body, which is perpendicular to the length direction of the pipe body, is D-shaped, and the upper surface of each pipe body is provided with a plurality of sockets for being spliced with radiating pipes; the first inserting plate is formed by connecting two D-shaped plates; two tip of body all are equipped with first slot, the D shaped plate of first picture peg inserts in the first slot of the body that corresponds and through welded mode and body sealing connection.

In the double D-shaped pipe, the first slot includes a first opening disposed on a lower surface of the end of the pipe body and a second opening disposed on an upper surface of the end of the pipe body, and the second opening extends to a side surface of the pipe body; the D-shaped plate is inserted into the first opening and the second opening.

In the double D-shaped pipe, one of the pipe bodies is provided with an inlet, and the other pipe body is provided with an outlet.

In the double-D type pipe, a second slot is formed in the middle of the pipe body, a second inserting plate is inserted into the second slot, and the second inserting plate is hermetically connected with the pipe body in a welding mode;

the pipe body is divided into a front section and a rear section by a second inserting plate; the water inlet is arranged on the front section of the corresponding pipe body, and the water outlet is arranged on the front section of the corresponding pipe body;

the rear section of one of the pipe bodies is communicated with the rear section of the other pipe body through the connecting hole.

In the double D-shaped pipe described above, the portions of the two pipe bodies that are in contact with each other are connected by welding.

In the double D-shaped pipe, the first insert plate and the pipe body are welded and connected by brazing.

In the double D-shaped pipe, the second slot has the same structure as the first slot, and the second inserting plate has the same structure as the first inserting plate.

In the double D-shaped pipe, the pipe body is not exchanged with fluid from the outside except for the socket.

In the double D-shaped pipe, the lower surface of the pipe body is an arc surface.

In addition, the invention also discloses a parallel flow evaporator which comprises two layers of cores, a first double D-shaped pipe and a second double D-shaped pipe, wherein the first double D-shaped pipe is as described above, and the second double D-shaped pipe is as described above;

and two ends of the two layers of cores are inserted into the insertion openings of the first double D-shaped pipe and the second double D-shaped pipe.

After the technical scheme is adopted in the utility model, its beneficial effect who has is:

this scheme sets up first slot in two D types of pipes, and the shutoff of its tip is realized in first slot is inserted to first picture peg, and first picture peg can play the effect of shutoff and two spinal branchs body of connection.

By means of the plug-in connection, the plug-in connection type fluid pressure bearing device can bear larger fluid pressure.

Simultaneously, the present case still discloses a concurrent flow evaporimeter.

Drawings

Fig. 1 is a front view of embodiment 1 of the present invention;

fig. 2 is a left side view of embodiment 1 of the present invention;

fig. 3 is a bottom view of embodiment 1 of the present invention;

fig. 4 is a front view of embodiment 2 of the present invention;

fig. 5 is a right side view of embodiment 2 of the present invention;

fig. 6 is a left side view of embodiment 2 of the present invention;

fig. 7 is a bottom view of embodiment 2 of the present invention;

fig. 8 is a front view of the first and second socket boards according to embodiments 1 and 2 of the present invention;

fig. 9 is a front view of embodiment 3 of the present invention;

fig. 10 is a bottom view of embodiment 3 of the present invention.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.

Example 1:

referring to fig. 1 to 3 and 8, a double D-shaped pipe includes two pipe bodies 1 arranged side by side, a cross section of the pipe body 1 perpendicular to a length direction thereof is D-shaped, and a plurality of sockets 2 for being inserted with a radiating pipe (i.e., a flat pipe constituting a core 11 of embodiment 3) are provided on an upper surface of the pipe body 1; the plate is characterized by further comprising a first inserting plate 3, wherein the first inserting plate 3 is formed by connecting two D-shaped plates; the two ends of the pipe body 1 are respectively provided with a first slot, the D-shaped plate of the first plug board 3 is inserted into the corresponding first slot of the pipe body 1 and is connected with the pipe body 1 in a sealing manner in a welding manner, the first slot comprises a first opening 4 arranged on the lower surface of the end of the pipe body 1 and a second opening 5 arranged on the upper surface of the end of the pipe body 1, and the second opening 5 extends to the side surface of the pipe body 1; the D-shaped plate is inserted into the first opening 4 and the second opening 5.

The two lower parts of the first inserting plate 3 are clamped in the first opening 4 and the second opening 5, other positions of the first inserting plate 3 are contacted with the inner wall of the pipe body 1, and then the first inserting plate 3 is completely and hermetically connected with the pipe body 1 in a brazing mode.

By the mode, the reliability of plugging of the pipe body 1 can be effectively improved.

Preferably, the portions of contact between the two tubular bodies 1 are connected by welding.

Example 2:

referring to fig. 4-8, a double D-shaped pipe comprises two pipe bodies 1 arranged side by side, wherein the section of the pipe body 1 perpendicular to the length direction is D-shaped, and the upper surface of the pipe body 1 is provided with a plurality of sockets 2 for being inserted with radiating pipes; the plate is characterized by further comprising a first inserting plate 3, wherein the first inserting plate 3 is formed by connecting two D-shaped plates; the two ends of the pipe body 1 are respectively provided with a first slot, the D-shaped plate of the first plug board 3 is inserted into the corresponding first slot of the pipe body 1 and is connected with the pipe body 1 in a sealing manner in a welding manner, the first slot comprises a first opening 4 arranged on the lower surface of the end of the pipe body 1 and a second opening 5 arranged on the upper surface of the end of the pipe body 1, and the second opening 5 extends to the side surface of the pipe body 1; the D-shaped plate is inserted into the first opening 4 and the second opening 5; an inlet 6 is formed in one pipe body 1, an outlet 7 is formed in the other pipe body 1, a second slot 8 is formed in the middle of the pipe body 1, a second inserting plate 9 is inserted into the second slot 8, and the second inserting plate 9 is in sealing connection with the pipe body 1 in a welding mode; the pipe body 1 is divided into a front section and a rear section by a second inserting plate 9; the water inlet is arranged on the front section of the corresponding pipe body 1, and the water outlet is arranged on the front section of the corresponding pipe body 1; the rear section of one of the pipe bodies 1 is communicated with the rear section of the other pipe body 1 through a connecting hole 10.

This is a further double D-tube different from the one of example 1 in that two tubes 1 are divided into four by a second insert plate 9, two of which are communicated with each other, and the other two are provided with an inlet 6 and an outlet 7, which makes it possible to increase the path of the extension flow in combination with the double D-tube of example 1 and the core 11.

The first and second insertion plates 3 and 9 of the present embodiment are identical in structure and function to the first insertion plate 3 of embodiment 1.

Preferably, the portions of contact between the two tubular bodies 1 are connected by welding.

In embodiments 1 and 2, the lower surface of the pipe body 1 is a curved surface.

Example 3

Referring to fig. 9 and 10, a parallel flow evaporator includes two layers of cores 11, a first double D-tube a as described in example 1, and a second double D-tube B as described in example 2;

two ends of the two-layer core body 11 are inserted into the insertion opening 2 of the first double D-shaped pipe and the insertion opening 2 of the second double D-shaped pipe.

The fluid path is that the fluid enters a second double D-shaped pipe through an inlet 6, reaches a first double D-shaped pipe after entering one half of one layer of core 11, then enters the rear section of the pipe body 1 provided with the inlet 6 of the second double D-shaped pipe after entering the other half of one layer of core 11, then enters the rear section of the pipe body 1 provided with an outlet 7 of the second double D-shaped pipe, then enters the first double D-shaped pipe after entering one half of the other layer of core 11, then enters the front section of the pipe body 1 provided with the outlet 7 of the second double D-shaped pipe after entering the other half of the other layer of core 11, and then is output from the outlet 7.

The device is suitable for the working condition of fluid with large pressure, and has simple structure and convenient processing.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims (10)

1. A double-D-shaped pipe comprises two pipe bodies which are arranged side by side, wherein the section of each pipe body, which is perpendicular to the length direction of the pipe body, is D-shaped, and the upper surface of each pipe body is provided with a plurality of sockets for being spliced with radiating pipes; the device is characterized by also comprising a first inserting plate, wherein the first inserting plate is formed by connecting two D-shaped plates; two tip of body all are equipped with first slot, the D shaped plate of first picture peg inserts in the first slot of the body that corresponds and through welded mode and body sealing connection.

2. The double D-tube of claim 1, wherein the first slot comprises a first opening provided at a lower surface of the end of the tube body, a second opening provided at an upper surface of the end of the tube body, the second opening extending to a side of the tube body; the D-shaped plate is inserted into the first opening and the second opening.

3. The double D-tube of claim 2, wherein one of the tubes has an inlet and the other tube has an outlet.

4. The double D type pipe according to claim 3, wherein a second slot is arranged in the middle of the pipe body, a second inserting plate is inserted into the second slot, and the second inserting plate and the pipe body are hermetically connected in a welding manner;

the pipe body is divided into a front section and a rear section by a second inserting plate; the inlet is arranged on the front section of the corresponding pipe body, and the outlet is arranged on the front section of the corresponding pipe body;

the rear section of one of the pipe bodies is communicated with the rear section of the other pipe body through the connecting hole.

5. The double D-shaped pipe according to claim 1, wherein the portions of the two pipe bodies that are in contact with each other are connected by welding.

6. A double D-shaped pipe according to claim 1, wherein said first insert plate and said pipe body are welded by brazing.

7. The double D-tube of claim 4 wherein the second socket and the first socket are identical in construction and the second socket and the first socket are identical in construction.

8. The dual D-tube of claim 1, wherein the tube body is free of structure other than the socket for fluid communication with the outside.

9. The double D-tube of any one of claims 1-8, wherein the lower surface of the tube body is a cambered surface.

10. A parallel flow evaporator comprising two layers of cores, a first double D-tube as defined in any one of claims 4 to 7, a second double D-tube as defined in claim 8;

and two ends of the two layers of cores are inserted into the insertion openings of the first double D-shaped pipe and the second double D-shaped pipe.

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