CN216644631U - High-pressure-bearing refrigerant channel pipe fitting - Google Patents

Abstract

The utility model discloses a high-pressure-bearing refrigerant channel pipe fitting which comprises a first base body and a second base body, wherein the first base body and the second base body are spliced into a channel pipe through a buckle structure, and the spliced part is welded. The refrigerant channel pipe fitting is formed by splicing two U-shaped matrixes, the single matrix is formed by extrusion, so that the matrixes have high enough strength, and the two matrixes are spliced by a buckle structure with matched bosses and grooves, so that the radial connection strength between the two matrixes is also high enough.

Description

High-pressure-bearing refrigerant channel pipe fitting

Technical Field

The utility model belongs to the technical field of related devices of a refrigerating system, and particularly relates to a high-pressure-bearing refrigerant channel pipe fitting.

Background

The traditional condenser usually adopts a serpentine channel pipe (copper pipe) structure, a refrigerant flows in the serpentine channel along the serpentine channel pipe, and radiating fins are arranged on the serpentine channel pipe to dissipate heat, so that the condenser structure is poor in heat exchange effect.

The condenser can also be made into the following structures: adopt the header pipe that admits air, the structure that header pipe and cooling tube made up mutually up gives vent to anger, the header pipe that admits air sets up with the header pipe that gives vent to anger parallel to each other, connect one row of cooling tube that has the fin between the header pipe that admits air and the header pipe that gives vent to anger, in operation, high-temperature high-pressure gaseous refrigerant enters into earlier in the header pipe that admits air, then dispel the heat through the cooling tube, enter into the header pipe that gives vent to anger again, from the header pipe that gives vent to anger and discharge, this kind of condenser structure is owing to can make gaseous refrigerant flow through many cooling tubes side by side simultaneously, consequently, the heat transfer effect has been promoted. However, this structure has the following technical problems:

since a large amount of high-temperature and high-pressure gaseous refrigerant enters the inlet header pipe and the outlet header pipe, the inlet header pipe and the outlet header pipe need to have sufficient pressure-bearing properties, and if the pressure-bearing properties are insufficient, a risk of pipe explosion may occur.

Two ends of the radiating pipe are communicated with the air inlet collecting chamber pipe and the air outlet collecting chamber pipe respectively, and the technical problem to be solved is how to ensure the connection strength and the sealing performance of the connecting parts of the radiating pipe and the air inlet collecting chamber pipe and the air outlet collecting chamber pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a high-pressure-bearing refrigerant channel pipe fitting.

The utility model is realized by the following technical scheme:

the utility model provides a refrigerant passageway pipe fitting of high pressure-bearing, includes first base member and second base member, and first base member and second base member pass through buckle structure amalgamation and become the passageway pipe to weld in the amalgamation department.

In the above technical solution, N through holes for inserting the heat dissipation pipe are provided on the first base body or the second base body at equal intervals along the length direction thereof, and the through holes are preferably rectangular through holes.

In the above technical scheme, the first base body is provided with a boss, the second base body is provided with a groove corresponding to the boss, and the boss of the first base body is inserted into the groove of the second base body, so that the first base body and the second base body are spliced into the channel pipe.

In the above technical solution, a groove for accommodating solder is formed in an outer wall of a joint of the first base body and the second base body.

In the technical scheme, the first base body is a U-shaped base body, the second base body is also a U-shaped base body, and the outer walls of the two side walls of the first base body are respectively provided with a boss arranged along the length direction; correspondingly, grooves matched with the bosses are respectively arranged on the inner walls of the two side walls of the second base body; moreover, the outer walls of the two side walls of the first base body are attached to the inner walls of the two side walls of the second base body; the boss of the first base body is inserted into the groove of the second base body, so that the first base body and the second base body are spliced into the channel pipe.

In the technical scheme, the first base body is a U-shaped base body, the second base body is also a U-shaped base body, and the inner walls of the two side walls of the first base body are respectively provided with a boss arranged along the length direction; correspondingly, grooves matched with the bosses are respectively arranged on the outer walls of the two side walls of the second base body; the two side walls of the second base body are provided with parts which are sunken towards the inner side, the grooves are arranged on the outer wall of the sunken parts, the bosses of the first base body are inserted into the grooves of the second base body to be spliced into the channel pipe, and the two side walls of the channel pipe are planes.

In the technical scheme, the first base body is a cover plate, the second base body is a U-shaped base body, rib plates are arranged on two sides of the bottom surface of the cover plate along the length direction of the cover plate, and a boss arranged along the length direction is arranged on the outer side surface of each rib plate; correspondingly, grooves matched with the bosses are formed in the inner walls of the tops of the two side walls of the U-shaped base body; the boss of the cover plate is inserted into the groove of the U-shaped base body, so that the cover plate and the U-shaped base body are spliced into the channel pipe.

In the above technical scheme, a first inclined plane is arranged on the outer wall of the joint of the first base body and the second base body, a second inclined plane is arranged on the outer wall of the joint of the second base body and the first base body, and the first inclined plane and the second inclined plane form the groove for accommodating the solder.

In the technical scheme, the two side walls of the first base body or the second base body are symmetrically provided with the inserting grooves, the inserting grooves are formed in the length direction of the channel pipe, the inserting grooves are used for inserting the partition plates into the channel pipe, and the inner cavity of the channel pipe can be divided into two channels through the partition plates.

In the above technical scheme, the first substrate and the second substrate are both formed by extrusion.

Adopt a heat exchanger structure that refrigerant passageway pipe fitting and cooling tube of above-mentioned high pressure-bearing constitute: n radiating tubes are arranged between two parallel refrigerant channel pipe fittings and are perpendicular to the refrigerant channel pipe fittings, the N radiating tubes are arranged in parallel at equal intervals, and two ends of each radiating tube are fixedly connected with rectangular through holes in the refrigerant channel pipe fittings; one of the refrigerant channel pipe fittings is provided with a refrigerant inlet for introducing a refrigerant, the other refrigerant channel pipe fitting is provided with a refrigerant outlet, and the refrigerant is discharged from the refrigerant outlet after passing through the radiating pipe.

In the above technical scheme, the cooling tube is the square flat tube with the rectangular cross section, the shoveling fins are arranged on the upper and lower surfaces of the cooling tube, and the number of the flow channels in the cooling tube is N and the flow channels are arranged at intervals along the width direction of the cooling tube.

In the above technical solution, the inner wall of the refrigerant channel pipe fitting is welded to the connection gap of the heat dissipation pipe.

The utility model has the advantages and beneficial effects that:

the refrigerant channel pipe fitting is formed by splicing two U-shaped base bodies, the single base body is formed by extrusion, so that the base bodies have high enough strength, and the two base bodies are spliced by the buckling structures matched with the bosses and the grooves, so that the radial connection strength between the two base bodies is also high enough, and therefore, compared with the traditional refrigerant channel pipe fitting formed by stretching, the whole refrigerant channel pipe fitting has higher pressure bearing performance and prevents the danger of explosion. In addition, the splicing position of the two substrates of the refrigerant channel pipe is welded, so that the welding flux is filled in the splicing position, and the good sealing performance of the refrigerant channel pipe is ensured.

Because the refrigerant channel pipe fitting is split, namely, the refrigerant channel pipe fitting is formed by splicing two U-shaped matrixes, and N through holes for inserting the radiating pipes are formed in one U-shaped matrix at equal intervals along the length direction of the U-shaped matrix, the end parts of the radiating pipes can be conveniently inserted into the through holes of the matrix, the connecting parts of the radiating pipes on the inner side wall of the U-shaped matrix and the through holes can be welded, after the welding is finished, the other half of the U-shaped matrix is spliced on the U-shaped matrix with the radiating pipes welded to form the complete refrigerant channel pipe fitting, and compared with the structure that the radiating pipes are welded on the outer wall of the refrigerant channel pipe fitting, the structure that the radiating pipes are welded on the inner wall of the refrigerant channel pipe fitting has the following advantages that: on one hand, the cleanness of the outer wall of the refrigerant channel pipe fitting can be ensured; on the other hand, the strength and the sealing performance of the welding position can be better ensured (because the air pressure in the refrigerant channel pipe fitting is from the inside of the pipe to the outside of the pipe, if the welding position is welded outside the refrigerant channel pipe fitting, the welding flux at the welding position on the outer wall is easily exploded outwards by the air pressure to fall off); on the other hand, the efficiency of welding and assembling the radiating pipe and the refrigerant channel pipe fitting can be improved, because the interval between the radiating pipes is very small if the radiating pipes are welded outside the refrigerant channel pipe fitting, the welding heads are difficult to accommodate for welding, or the interval between the adjacent radiating pipes can only be increased for facilitating welding, so that the radiating capacity of the whole condenser can be weakened.

Drawings

Fig. 1 is a schematic structural diagram of a refrigerant passage pipe according to a first embodiment of the present invention.

Fig. 2 is a partially enlarged schematic view of a refrigerant passage pipe according to an embodiment of the utility model.

Fig. 3 is a schematic structural view of a refrigerant passage pipe according to a second embodiment of the present invention.

Fig. 4 is a partially enlarged view of the refrigerant passage pipe according to the second embodiment of the present invention.

Fig. 5 is a schematic structural view of a refrigerant passage pipe according to a third embodiment of the present invention.

Fig. 6 is a partially enlarged schematic view of a refrigerant passage pipe according to a third embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a heat dissipation pipe according to a fourth embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a heat exchanger including a refrigerant passage pipe and a heat dissipation pipe according to a fifth embodiment of the present invention.

For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.

Example one

Referring to the attached drawings 1-2, the high-pressure-bearing refrigerant channel pipe fitting comprises a first base body 1 and a second base body 2, wherein the first base body 1 and the second base body 2 are spliced into a channel pipe through a buckle. Specifically, in this embodiment, the first substrate 1 is a U-shaped substrate, the second substrate 2 is also a U-shaped substrate, and the outer walls of the two side walls of the first substrate 1 are respectively provided with a boss 1.1 arranged along the length direction; correspondingly, grooves 2.1 matched with the bosses 1.1 are respectively arranged on the inner walls of the two side walls of the second base body 2; moreover, the outer walls of the two side walls of the first substrate 1 are attached to the inner walls of the two side walls of the second substrate 2 (i.e. the distance between the outer walls of the two side walls of the first substrate 1 is substantially equal to the distance between the inner walls of the two side walls of the second substrate 2); when the first base body and the second base body are assembled, the lug boss of the first base body is inserted into the groove of the second base body, so that the first base body 1 and the second base body 2 are spliced into the channel pipe.

Furthermore, N rectangular through holes 3 are formed in the first base body or the second base body at equal intervals along the length direction of the first base body or the second base body, and the through holes are used for inserting the radiating pipes.

Further, first base member 1 and second base member 2 are extrusion to guaranteed its self high strength degree, because whole passageway pipe is formed by first base member 1 and second base member 2 through boss and recess matched with buckle structure concatenation, consequently the intensity of whole passageway pipe is higher than traditional key pressure-bearing capacity.

Furthermore, after the first substrate 1 and the second substrate 2 are spliced into the channel tube, the splicing position of the two is welded, so that the welded welding flux a is filled in the splicing position, and the reinforcing and sealing effects are achieved.

Example two

Referring to fig. 3-4, a high pressure-bearing refrigerant channel pipe fitting comprises a first base 4 and a second base 5, wherein the first base 4 and the second base 5 are spliced into a channel pipe through a buckle. Specifically, in this embodiment, the first substrate 4 is a U-shaped substrate, the second substrate 5 is also a U-shaped substrate, and the inner walls of the two side walls of the first substrate 4 are respectively provided with a boss 4.1 arranged along the length direction; correspondingly, grooves 5.1 matched with the bosses 4.1 are respectively arranged on the outer walls of the two side walls of the second base body 5; during assembly, the boss of the first base body is inserted into the groove of the second base body, so that the first base body 4 and the second base body 5 are spliced into a whole channel pipe.

Furthermore, the two side walls of the second substrate 5 are provided with inward concave parts c, and the grooves 5.1 are arranged on the outer walls of the concave parts c, so that the two side walls of the whole channel tube are planes and are more regular after the first substrate 4 and the second substrate 5 are spliced.

Further, a groove for accommodating the solder is formed in the outer wall of the joint of the first substrate 4 and the second substrate 5, that is, a first inclined surface is arranged on the outer wall of the joint of the first substrate 4 and the second substrate 5, a second inclined surface is arranged on the outer wall of the joint of the second substrate 5 and the first substrate 4, and the groove d for accommodating the solder is formed by the first inclined surface and the second inclined surface. After the first base body 4 and the second base body 5 are spliced into the channel pipe, the splicing position of the first base body and the second base body is welded, and the welded welding flux can fill the groove in the outer wall of the splicing position.

Furthermore, N rectangular through holes 6 are formed in the first base body or the second base body at equal intervals along the length direction of the first base body or the second base body, and the through holes are used for inserting the radiating pipes.

EXAMPLE III

Referring to fig. 5-6, a high pressure-bearing refrigerant channel pipe fitting comprises a first base body 7 and a second base body 8, wherein the first base body 7 and the second base body 8 are spliced into a channel pipe through a buckle. Specifically, in this embodiment, the first base 7 is a cover plate, the second base 8 is a U-shaped base, rib plates are arranged on two sides of the bottom surface of the cover plate along the length direction of the cover plate, and a boss 7.1 arranged along the length direction is arranged on the outer side surface of each rib plate; correspondingly, grooves 8.1 matched with the bosses 7.1 are formed in the inner walls of the tops of the two side walls of the U-shaped base body; when the U-shaped base body is assembled, the boss of the cover plate is inserted into the groove of the U-shaped base body, so that the cover plate and the U-shaped base body are spliced into the channel pipe.

Furthermore, N rectangular through holes 9 are formed in the cover plate at equal intervals along the length direction of the cover plate and used for inserting the radiating pipes.

Furthermore, the width of the cover plate is the same as that of the U-shaped base body, so that the channel pipe formed by splicing the cover plate and the U-shaped base body is a rectangular pipe.

Furthermore, a groove e for accommodating the solder is formed in the outer wall of the splicing part of the cover plate and the U-shaped base body, namely, a first inclined plane is arranged on the outer wall of the splicing part of the cover plate and the U-shaped base body, a second inclined plane is arranged on the outer wall of the splicing part of the U-shaped base body and the cover plate, and the groove e for accommodating the solder is formed by the first inclined plane and the second inclined plane. After the cover plate and the U-shaped base body are spliced into the channel pipe, the splicing position of the cover plate and the U-shaped base body is welded, and welding flux can fill the groove in the outer wall of the splicing position, so that a good welding and sealing effect is achieved.

Furthermore, slots 10 are symmetrically arranged on two side walls of the U-shaped base body, the slots are arranged along the length direction of the channel pipe, the slots are used for inserting partition plates into the channel pipe, and the inner cavity of the channel pipe can be divided into two channels through the partition plates.

Example four

Referring to fig. 7, the structure of the heat dissipation pipe in the above embodiment is: the radiating pipe 11 is a square flat pipe with a rectangular section, and the upper surface and the lower surface of the radiating pipe are provided with shoveled fins 11-1 which are arranged at equal intervals along the length direction of the radiating pipe; the fin and the radiating pipe are of an integrated structure, and the fin is a raised sheet metal sheet formed by scraping on the outer wall of the radiating pipe by using a scraper knife; the radiating pipe is internally provided with 11-2 flow channels, preferably, the number of the flow channels in the radiating pipe is 3-15, and the flow channels are arranged at intervals along the width direction of the radiating pipe. Furthermore, the fins are wavy, namely, the fins are provided with a plurality of continuous curved surfaces, and the heat dissipation effect of the fins can be improved by making the fins wavy. Further, the angle between the fins and the radiating pipe is preferably 50-89 degrees.

EXAMPLE five

Referring to fig. 8, the heat exchanger structure formed by the refrigerant passage tube a with high pressure bearing and the heat dissipation tube 11 is adopted:

set up N cooling tube 11 between two coolant passageway pipe fittings that are parallel to each other, cooling tube 11 is perpendicular with coolant passageway pipe fitting, and N cooling tube 11 equidistant mutual parallel arrangement, the both ends of every cooling tube with rectangle through-hole fixed connection on the coolant passageway pipe fitting. One of the cooling medium channel pipe fittings is provided with a cooling medium inlet for introducing a cooling medium, the other cooling medium channel pipe fitting is provided with a cooling medium outlet, and the cooling medium is discharged from the cooling medium outlet after passing through the radiating pipe 11.

Furthermore, the inner wall of the refrigerant channel pipe fitting and the connecting gap of the radiating pipe are welded. Namely, the junction of the radiating pipe of the inside wall of a U-shaped base body of refrigerant channel pipe fitting and through hole welds earlier, and after the welding was accomplished, again with half U-shaped base body amalgamation on this U-shaped base body that has the radiating pipe, form complete refrigerant channel pipe fitting. This kind of structure of welding cooling tube on refrigerant passageway pipe fitting inner wall compares and welds on refrigerant passageway pipe fitting outer wall and has following advantage: on one hand, the cleanness of the outer wall of the refrigerant channel pipe fitting can be ensured; on the other hand, the strength and the sealing performance of the welding position can be better ensured (because the air pressure in the refrigerant channel pipe fitting is from the inside of the pipe to the outside of the pipe, if the welding position is welded outside the refrigerant channel pipe fitting, the welding flux at the welding position on the outer wall is easily exploded outwards by the air pressure to fall off); on the other hand, the efficiency of welding and assembling the radiating pipe and the refrigerant channel pipe fitting can be improved, because if the radiating pipe is welded outside the refrigerant channel pipe fitting, because the distance between the radiating pipes is very small, the welding heads are difficult to hold for welding, or the distance between the adjacent radiating pipes can only be increased for facilitating welding, so that the radiating capacity of the whole condenser can be weakened.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The utility model being thus described by way of example, it should be understood that any simple alterations, modifications or other equivalent alterations as would be within the skill of the art without the exercise of inventive faculty, are within the scope of the utility model.

Claims (9)

1. The utility model provides a refrigerant passageway pipe fitting of high pressure-bearing which characterized in that: the device comprises a first base body and a second base body, wherein the first base body and the second base body are spliced into a channel pipe through a buckle structure and welded at the splicing position; n through holes for inserting the radiating pipes are formed in the first base body or the second base body at equal intervals along the length direction of the first base body or the second base body.

2. The high pressure refrigerant channel pipe fitting of claim 1, wherein: the first base body is provided with a boss, the second base body is provided with a groove corresponding to the boss, and the boss of the first base body is inserted into the groove of the second base body, so that the first base body and the second base body are spliced into the channel pipe.

3. The high pressure refrigerant passage pipe fitting of claim 1, wherein: a groove for accommodating solder is formed on the outer wall of the joint of the first base body and the second base body.

4. The high pressure refrigerant channel pipe fitting of claim 1, wherein: the first base body is a U-shaped base body, the second base body is also a U-shaped base body, and bosses arranged along the length direction are respectively arranged on the outer walls of the two side walls of the first base body; correspondingly, grooves matched with the bosses are respectively arranged on the inner walls of the two side walls of the second base body; moreover, the outer walls of the two side walls of the first base body are attached to the inner walls of the two side walls of the second base body; the boss of the first base body is inserted into the groove of the second base body, so that the first base body and the second base body are spliced into the channel pipe.

5. The high pressure refrigerant channel pipe fitting of claim 1, wherein: the first base body is a U-shaped base body, the second base body is also a U-shaped base body, and bosses arranged along the length direction are respectively arranged on the inner walls of the two side walls of the first base body; correspondingly, grooves matched with the bosses are respectively arranged on the outer walls of the two side walls of the second base body; the two side walls of the second base body are provided with parts which are sunken towards the inner side, the grooves are arranged on the outer wall of the sunken parts, the bosses of the first base body are inserted into the grooves of the second base body to be spliced into the channel pipe, and the two side walls of the channel pipe are planes.

6. The high pressure refrigerant channel pipe fitting of claim 1, wherein: the first base body is a cover plate, the second base body is a U-shaped base body, rib plates are arranged at two sides of the bottom surface of the cover plate along the length direction of the cover plate, and a boss arranged along the length direction is arranged on the outer side surface of each rib plate; correspondingly, grooves matched with the bosses are formed in the inner walls of the tops of the two side walls of the U-shaped base body; the boss of the cover plate is inserted into the groove of the U-shaped base body, so that the cover plate and the U-shaped base body are spliced into the channel pipe.

7. The high pressure refrigerant channel pipe fitting of claim 3, wherein: the outer wall of the joint of the first base body and the second base body is provided with a first inclined plane, the outer wall of the joint of the second base body and the first base body is provided with a second inclined plane, and the first inclined plane and the second inclined plane form a groove for containing the welding flux.

8. The high pressure refrigerant channel pipe fitting of claim 1, wherein: the inner wall of the refrigerant channel pipe fitting is welded with the joint seam of the radiating pipe.

9. A heat exchanger structure using the high pressure refrigerant passage pipe member and the radiating pipe as recited in any one of claims 1 to 8, wherein: n radiating tubes are arranged between two parallel refrigerant channel pipe fittings and are perpendicular to the refrigerant channel pipe fittings, the N radiating tubes are arranged in parallel at equal intervals, and two ends of each radiating tube are fixedly connected with rectangular through holes in the refrigerant channel pipe fittings; one of the refrigerant channel pipe fittings is provided with a refrigerant inlet for introducing a refrigerant, and the other refrigerant channel pipe fitting is provided with a refrigerant outlet; the radiating pipe is a square flat pipe with a rectangular cross section, the upper surface and the lower surface of the radiating pipe are provided with fins formed by shoveling, and the number of flow channels in the radiating pipe is N and the flow channels are arranged at intervals along the width direction of the radiating pipe.

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