CN219624558U - Heat exchanger pipeline connection structure convenient to welding - Google Patents

Abstract

The utility model discloses a heat exchanger pipeline connection structure convenient to welding, the utility model discloses a plate heat exchanger, connecting piece is all installed at the top, bottom and the both ends of plate heat exchanger one side, first connecting pipe is all installed to the one end at plate heat exchanger one side top and the other end of one side bottom, the second connecting pipe is all installed to the other end at plate heat exchanger one side top and the one end of one side bottom. The utility model discloses be provided with the screw hole on the heat exchanger, all be provided with the screw thread on first connecting pipe and the second connecting pipe, first connecting pipe and second connecting pipe can be through the stable firm installation of screw thread on the heat exchanger before the welding, snap ring on first connecting pipe and the second connecting pipe can block into on the fixture block on the plate heat exchanger simultaneously, then the staff can pass through the weld ring with snap ring and fixture block welding, because fixture block and the reason of snap ring, be difficult for being worn by the welding to the less circumstances of welding appears.

Description

Heat exchanger pipeline connection structure convenient to welding

Technical Field

The utility model relates to a heat exchange accessory technical field specifically is a heat exchanger pipeline connection structure convenient to welding.

Background

The heat exchange shell of the common heat exchanger is provided with a plurality of heat exchange channels, the heat exchange channels are at least divided into two groups, and the two groups of heat exchange channels are not communicated with each other so as to flow through different liquid media, and heat exchange can be carried out between the liquid media.

The connecting pipe is fixed on plate heat exchanger through welded mode on traditional heat exchanger, but when the staff is welded, causes the welding point to be welded or the welding point is thinner easily, if the welding point of connecting pipe on the heat exchanger is thinner, causes heat exchanger's life to shorten for heat exchanger damages in the welding point of connecting pipe appears in the in-process of using.

Disclosure of Invention

An object of the present utility model is to provide a heat exchanger pipe connection structure convenient for welding, so as to solve the problem set forth in the above background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat exchanger pipeline connection structure convenient to welding, includes plate heat exchanger, connecting piece is all installed at top, bottom and both ends on one side of plate heat exchanger, first connecting pipe is all installed to the one end at one side top of plate heat exchanger and the other end of one side bottom, the second connecting pipe is all installed to the other end at one side top of plate heat exchanger and the one end of one side bottom, the both ends at one side top of plate heat exchanger and bottom all are provided with the fixture block, one side that first connecting pipe and second connecting pipe surface are close to plate heat exchanger has set gradually weld ring, snap ring and screw thread.

Preferably, threaded holes are formed in the two ends of the top and the bottom of one side of the plate heat exchanger, and the size of the threaded holes on the plate heat exchanger is equal to the size of the first connecting pipe and the size of the second connecting pipe.

Preferably, the plate heat exchanger is connected between the first connection pipe and the second connection pipe by means of a fit of threaded holes and threads.

Preferably, a groove is formed in one side, far away from the plate heat exchanger, of the clamping block, the size of the groove on the clamping block is matched with that of the clamping ring, and the clamping block is clamped with the clamping ring.

Preferably, the welding ring is connected with the clamping ring.

Compared with the prior art, the beneficial effects of the utility model are that: this heat exchanger pipeline connection structure convenient to welding is provided with the screw hole on the heat exchanger, all is provided with the screw thread on first connecting pipe and the second connecting pipe, and first connecting pipe and second connecting pipe can be through the stable firm installation of screw thread on heat exchanger before the welding, and snap ring on first connecting pipe and the second connecting pipe can block into on the fixture block on the plate heat exchanger simultaneously, then the staff can pass through the weld ring with snap ring and fixture block welding, because fixture block and the reason of snap ring, be difficult for being worn by the welding to the thinner condition of welding is difficult for appearing.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a side view of the present utility;

figure 3 is a side cross-sectional view of the utility tunnel junction.

In the figure: 1. a plate heat exchanger; 2. a connecting piece; 3. a first connection pipe; 4. a second connection pipe; 5. a clamping block; 6. a thread; 7. a clasp; 8. and welding the ring.

Detailed Description

The technical solutions of the present embodiments will be clearly and completely described below with reference to the drawings in the present embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments herein, which would be within the purview of one of ordinary skill in the art without the creative effort, are contemplated as falling within the scope of the present utility model.

Referring to fig. 1-3, an embodiment of the present utility model provides: the utility model provides a heat exchanger pipeline connection structure convenient to welding, including plate heat exchanger 1, connecting piece 2 is all installed at the top of plate heat exchanger 1 one side, bottom and both ends, first connecting pipe 3 is all installed to the one end at plate heat exchanger 1 one side top and the other end of one side bottom, second connecting pipe 4 is all installed to the other end at plate heat exchanger 1 one side top and the one end of one side bottom, be connected between first connecting pipe 3 and second connecting pipe 4 and plate heat exchanger 1, the both ends at plate heat exchanger 1 one side top and bottom all are provided with fixture block 5, one side that first connecting pipe 3 and second connecting pipe 4 surface are close to plate heat exchanger 1 has set gradually weld ring 8, snap ring 7 and screw thread 6, cooperate through fixture block 5 and snap ring 7 between with first connecting pipe 3 and second connecting pipe 4 and plate heat exchanger 1 on the looks joint.

In this embodiment, threaded holes are formed at both ends of the top and bottom of one side of the plate heat exchanger 1, and the size of the threaded hole on the plate heat exchanger 1 is equal to the size of the first connection pipe 3 and the size of the second connection pipe 4.

In the present embodiment, the plate heat exchanger 1 is connected between the first connection pipe 3 and the second connection pipe 4 by the engagement of the screw hole and the screw thread 6, and the first connection pipe 3 and the second connection pipe 4 are stably and firmly mounted on the plate heat exchanger 1 by the screw hole and the screw thread 6.

In this embodiment, the fixture block 5 is kept away from plate heat exchanger 1 one side and is seted up flutedly, and the size of the last recess of fixture block 5 and the size looks adaptation of snap ring 7, looks joint between fixture block 5 and the snap ring 7, and the staff can weld fixture block 5 and snap ring 7, further improves that first connecting pipe 3 and second connecting pipe 4 are stable firm installs on plate heat exchanger 1.

In the embodiment, the welding ring 8 is connected with the clamping ring 7, and the welding ring 8 plays a role in protecting the side walls of the first connecting pipe 3 and the second connecting pipe 4, so that the first connecting pipe 3 and the second connecting pipe 4 are prevented from being welded through.

Working principle: when the staff welds, first connecting pipe 3 and second connecting pipe 4 can be through screw hole and screw thread 6 stable firm installation on plate heat exchanger 1, can not makeed the mistake when making the staff weld to snap ring 7 passes through the recess card and goes into in the fixture block 5, then the staff only need with fixture block 5 and snap ring 7 welding together can, at welded in-process, avoid first connecting pipe 3 and second connecting pipe 4 to be welded through weld ring 8.

It will be evident to those skilled in the art that the present utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or scope of the utility model. Accordingly, the present embodiments are exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as references to orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in this application will be understood by those of ordinary skill in the art in a specific context.

Claims (5)

1. Heat exchanger pipeline connection structure convenient to welding, including plate heat exchanger (1), its characterized in that: connecting piece (2) are all installed at top, bottom and both ends on one side of plate heat exchanger (1), first connecting pipe (3) are all installed to the one end at one side top and the other end at one side bottom of plate heat exchanger (1), second connecting pipe (4) are all installed to the other end at one side top and the one end at one side bottom of plate heat exchanger (1), both ends at one side top and bottom of plate heat exchanger (1) all are provided with fixture block (5), one side that is close to plate heat exchanger (1) of first connecting pipe (3) and second connecting pipe (4) surface has set gradually weld ring (8), snap ring (7) and screw thread (6).

2. A heat exchanger tube connection for facilitating welding as defined in claim 1, wherein: screw holes are formed in the two ends of the top and the bottom of one side of the plate heat exchanger (1), and the size of the screw holes on the plate heat exchanger (1) is equal to the size of the first connecting pipe (3) and the size of the second connecting pipe (4).

3. A heat exchanger tube connection structure for facilitating welding as claimed in claim 2, wherein: the plate heat exchanger (1) is connected with the first connecting pipe (3) and the second connecting pipe (4) through the matching of the threaded holes and the threads (6).

4. A heat exchanger tube connection for facilitating welding as defined in claim 1, wherein: the clamping block (5) is provided with a groove on one side far away from the plate heat exchanger (1), the size of the groove on the clamping block (5) is matched with the size of the clamping ring (7), and the clamping block (5) is clamped with the clamping ring (7).

5. A heat exchanger tube connection for facilitating welding as defined in claim 1, wherein: the welding ring (8) is connected with the clamping ring (7).