CN213599616U - Resistance welding formed liquid storage device - Google Patents
Resistance welding formed liquid storage device Download PDFInfo
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- CN213599616U CN213599616U CN202021688361.7U CN202021688361U CN213599616U CN 213599616 U CN213599616 U CN 213599616U CN 202021688361 U CN202021688361 U CN 202021688361U CN 213599616 U CN213599616 U CN 213599616U
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Abstract
The utility model relates to the technical field of air conditioning equipment, in particular to a liquid storage device formed by resistance welding, which comprises a shell, an upper cover, a lower cover, a straight pipe and a bent pipe, wherein a port of the bent pipe assembled with the lower cover is provided with a first flaring, a connecting end of the straight pipe and the lower cover is provided with a second flaring, the middle of the lower cover is punched inwards to form a punched hole welded with the bent pipe, and punching burrs are arranged on the inner side of the punched hole; the edge of the first flaring of the bent pipe and the edge of the punched hole are welded by resistance welding, the second flaring of the straight pipe is assembled and welded with the first flaring, the lower cover is welded with the lower part of the shell, the upper cover is welded with the upper part of the shell, and the other end of the straight pipe penetrates through the upper cover and is welded with the upper cover. The utility model discloses the straight tube of reservoir adopts resistance welding with the lower cover when assembling with the first flaring and the second flaring that the return bend set up respectively, has effectively avoided the bad problem of welding, and the inboard punching press burr that punches a hole is favorable to increasing the return bend and the face of weld between punching a hole connects, has promoted the welding quality.
Description
Technical Field
The utility model relates to an air conditioning equipment technical field, concretely relates to fashioned reservoir of resistance welding.
Background
The liquid storage device is used as an important part in an air conditioning system, is suitable for the air suction end of the compressor, and has the functions of sucking the refrigerant subjected to the refrigeration cycle of the air conditioner, filtering the refrigerant and then conveying the filtered refrigerant to the compression cavity of the compressor for the next cycle of refrigeration cycle. Because of the refrigeration cycle, a small amount of refrigerating machine oil and impurities are mixed in the refrigerant, and the refrigerant is condensed into small droplets under the influence of the surrounding low-temperature environment. Through the liquid storage pot, filter impurity, with oil liquid drop, refrigerant liquid drop atomizing simultaneously, get into refrigeration cycle once more, avoid impurity to get into the compressor inside and cause the condition emergence of the dead compressor of card and compressed liquid.
However, the liquid storage device for the air conditioner compressor at present has three structures, namely a two-part structure, a three-part structure and an iron spinning structure. The straight suction pipe and the bent copper pipe of the three-part liquid storage device are made of pure copper materials, and a red copper welding wire and a brass welding wire are needed for welding, so that the material cost is high, overburning is easy to occur during welding, the strength of the liquid storage device is reduced, and the welding positioning is difficult; in addition, because flame brazing is adopted, copper-based welding wires are needed for welding, the material cost is high, the flame brazing environmental pollution is large, the small steel pipe and copper bent pipe type structure is complex, the assembly procedures are multiple, and the labor cost is high.
Disclosure of Invention
In order to overcome the shortcoming and the not enough that exist among the prior art, the utility model aims to provide a resistance welding fashioned reservoir, the straight tube of this reservoir is equipped with the second flaring that first flaring corresponds respectively with the return bend, adopt resistance welding when assembling with the lower cover, can reduce the flame brazing process of outlet duct, welding badly has effectively been avoided, the requirement of welding skill has been reduced, in addition, the punching a hole that covers down adopts the punching press tensile to the inboard production punching press burr that punches a hole, be favorable to increasing the return bend and the face of weld between punching a hole to meet, and strengthen the effect from the crystallization, welding quality has been promoted, show and reduced the bad condition of traditional copper pipe weld part leakage, can show and promote reservoir intensity.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a fashioned reservoir of resistance welding which characterized in that: the straight pipe is arranged in the shell, one end of the bent pipe penetrates through the lower cover and is connected with the lower cover, a first flaring is arranged at the port of one end, connected with the lower cover, of the bent pipe, the straight pipe is welded with the lower cover, a second flaring is arranged at the port of one end, welded with the lower cover, of the straight pipe, the second flaring corresponds to the first flaring, the inner diameter of the second flaring is larger than the outer diameter of the first flaring, a punched hole penetrating through the lower cover is arranged in the middle of the lower cover, and punching burrs are arranged on the inner side of the hole wall of the punched hole; the one end that the return bend was provided with first flaring inserts in the punching hole, the lateral wall outside of first flaring with the pore wall that punches a hole adopts resistance welding to weld, the lateral wall of lower cover and second flaring adopts resistance welding to weld, upper cover and casing upper portion welding, lower cover and casing lower part welding, the other end of keeping away from first flaring of straight tube runs through upper cover and upper cover resistance welding.
Furthermore, the bent pipe is made of a copper-iron composite material, the bent pipe copper-iron composite material takes low-carbon steel or stainless steel as a base material, and the outer diameter of the base material is covered with a copper layer with the thickness of 0.1-200 mu m.
Furthermore, a first stamping inclined plane is arranged at the first flaring, and a second stamping inclined plane is arranged at the second flaring.
Further, the inclined plane angle of the first stamping inclined plane is 30-60 degrees, and the inclined plane angle of the second stamping inclined plane is 30-60 degrees.
Further, the lower cover is made of low-carbon steel or stainless steel and is punched into an arc-shaped structure, and the thickness of the lower cover is 1-3 mm; furthermore, the lower cover of the upper cover is made of low-carbon steel or stainless steel and is punched into an arc-shaped structure.
Furthermore, the edge of the punched hole is a plane part, and the length of the punching burr is 0.01-0.5 mm.
Furthermore, the straight pipe is made of low-carbon steel or stainless steel, the thickness of the straight pipe is 0.5-3mm, and the flaring height of the second flaring is 0.5-10 mm.
Further, the liquid storage device further comprises a separation plate, the separation plate is arranged in the shell and positioned in the middle of the shell, the separation plate is perpendicular to the side wall of the shell, and the peripheral edge of the separation plate is connected with the side wall of the shell.
Furthermore, the liquid storage device also comprises a filter screen which is arranged in the shell and is positioned at one end of the shell, which is welded with the upper cover; the inner side of the side wall of the shell is convexly provided with a first annular convex ring and a second annular convex ring, and the first annular convex ring and the second annular convex ring are respectively used for fixing the separating plate and the filter screen.
Furthermore, the peripheral edge of the filter screen is provided with an elastic piece, and the elastic piece is tightly attached to the inner edge of the side wall of the shell.
The beneficial effects of the utility model reside in that: the utility model discloses the straight tube of reservoir is equipped with the second flaring that first flaring corresponds respectively with the return bend, adopt resistance welding when assembling with the lower cover, can reduce the flame brazing process of outlet duct, the welding is bad effectively avoided, the requirement of welding skill has been reduced, in addition, the punching a hole that covers down adopts the punching press tensile to the inboard production punching press burr that punches a hole, be favorable to increasing the return bend and punch a hole between the face of weld and connect, and strengthen from the effect of crystallization, the welding quality has been promoted, show and reduce the bad condition of traditional copper pipe leakage weld part, can show and promote reservoir intensity.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention;
fig. 2 is a schematic structural view of a straight pipe according to the present invention;
fig. 3 is a cross-sectional view of the lower cover of the present invention;
fig. 4 is a schematic view of the elbow structure of the present invention;
fig. 5 is a partial cross-sectional view of the elbow of the present invention;
fig. 6 is another schematic cross-sectional structure of the present invention.
The reference signs are: 1-shell, 11-first annular convex ring, 12-second annular convex ring, 2-upper cover, 3-lower cover, 31-punching hole, 32-plane part, 4-straight pipe, 41-second flaring, 411-second stamping inclined surface, 5-bent pipe, 51-first flaring, 511-first stamping inclined surface, 52-base material, 53-copper layer, 6-filter screen, 7-separation plate and 8-elastic piece.
Detailed Description
In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1 to 6, which are not intended to limit the present invention.
See fig. 1-6, a fashioned reservoir of resistance welding, includes casing 1, upper cover 2, lower cover 3, straight tube 4 and return bend 5, straight tube 4 sets up in casing 1, the one end of return bend 5 passes lower cover 3 and is connected with lower cover 3, the port department of the one end that return bend 5 and lower cover 3 are connected is provided with first flaring 51, the port department of the one end that straight tube 4 and lower cover 3 are connected is provided with second flaring 41, second flaring 41 is corresponding with first flaring 51, and the internal diameter of second flaring 41 is greater than the external diameter of first flaring 51, second flaring 41 and first flaring 51 set up when same axis, the clearance between the outside of first flaring 51 and the inboard of second flaring 41 is 0.1-2mm, the middle part of lower cover 3 is provided with the hole 31 that punches a hole 3, the pore wall inboard of punching hole 31 is equipped with the punching burr, the edge of the punched hole 31 is a plane part 32, and the length of the punched burr is 0.01-0.5 mm; one end, provided with a first flared opening 51, of the bent pipe 5 is inserted into the punched hole 31, the outer side of the side wall of the first flared opening 51 is welded with the hole wall of the punched hole 31 by resistance welding, the flat part 32 of the lower cover 3 and the side wall of the second flared opening 41 are welded by resistance welding, the upper cover 2 is welded with the upper part of the shell 1, the lower cover 3 is welded with the lower part of the shell 1, and the other end, far away from the first flared opening 51, of the straight pipe 4 penetrates through the upper cover 2 and is welded with the upper cover 2 by resistance welding; the bent pipe 5 is made of a copper-iron composite material, the bent pipe 5 is made of low-carbon steel or stainless steel serving as a base material 52, and a copper layer 53 with the thickness of 0.1-200 mu m is coated on the outer diameter side of the bent pipe 5; further, the thickness of the lower cover 3 is 1-3mm, and the upper cover 2 and the lower cover 3 are both made of low-carbon steel or stainless steel and are punched into arc-shaped structures.
In the embodiment, the straight pipe 4 and the bent pipe 5 of the liquid storage device are respectively provided with the second flaring 41 corresponding to the first flaring 51, and the lower cover 3 is assembled by resistance welding, so that the flame brazing process of the gas outlet pipe can be reduced, poor welding is effectively avoided, the requirement of welding skill is lowered, in addition, the punched hole 31 on the lower cover 3 is punched and stretched to the inner side of the punched hole 31 to generate punching burrs, the increase of the welding surface connection between the bent pipe 5 and the punched hole 31 is facilitated, the self-crystallization effect is enhanced, the welding quality is improved, the poor leakage condition of the traditional copper pipe welding part is obviously reduced, and the strength of the liquid storage device is obviously improved; the assembly of the bent pipe 5 is replaced by a copper bent pipe and a copper-iron composite bent pipe 5, so that the material cost can be obviously reduced, and the copper layer 53 is covered on the outer diameter side of the low-carbon steel or stainless steel base material 52, so that the internal base material can be well protected from being corroded, and meanwhile, the resistance welding with the lower cover 3 is facilitated; the arc-shaped upper cover 2 and the arc-shaped lower cover 3 can buffer liquid impact in the liquid storage device, play a role in noise reduction, and obviously improve the strength and quality of the liquid storage device
In this embodiment, the first flared end 51 is provided with a first stamping inclined surface 511, and the second flared end 41 is provided with a second stamping inclined surface 411. The inclined plane angle of the first stamping inclined plane 511 is 30-60 degrees, and the inclined plane angle of the second stamping inclined plane 411 is 30-60 degrees.
In this embodiment, the first stamping inclined plane 511 disposed at the first flaring 51 may be welded to the hole wall of the punching hole 31 of the lower cover 3, so as to increase the stability of the welding part, and meanwhile, the poor leakage of the traditional copper pipe welding part may be avoided, and the second stamping inclined plane 411 disposed at the second flaring 41 is disposed corresponding to the first stamping inclined plane 511, so as to facilitate the assembly welding among the straight pipe 4, the bent pipe 5 and the lower cover 3.
In this embodiment, the straight tube 4 is made of low carbon steel or stainless steel, the thickness of the straight tube is 0.5-3mm, and the flaring height of the second flaring 41 is 0.5-10 mm.
In the embodiment, the straight pipe 4 is a low-carbon steel straight pipe or a stainless steel straight pipe, and the straight pipe 4 is made of low-carbon steel or stainless steel, so that the condition of poor leakage of the welding part of the traditional copper pipe can be well avoided, and meanwhile, the material cost is obviously reduced.
In this embodiment, the liquid storage device further includes a filter screen 6 and a separation plate 7, the separation plate 7 is disposed in the casing 1 and located in the middle of the casing 1, the separation plate 7 is perpendicular to the side wall of the casing 1, and the peripheral edge of the separation plate 7 is connected to the side wall of the casing 1. The filter screen 6 is arranged in the shell 1 and is positioned at one end of the shell 1, which is welded with the upper cover 2; the inner side of the side wall of the shell 1 is convexly provided with a first annular convex ring 11 and a second annular convex ring 12, and the first annular convex ring 11 and the second annular convex ring 12 are respectively used for fixing the separating plate 7 and the filter screen 6.
In this embodiment, the peripheral edge of the filter screen is provided with an elastic member, and the elastic member is tightly attached to the inner edge of the side wall of the housing. In this embodiment, before the filter screen 6 is pressurized into the housing 1, an elastic member 8 is additionally disposed on the outer edge of the filter screen 6, and the elastic member 8 is tightly attached to the inner side of the sidewall of the housing 1 when the filter screen 6 is pressurized into the housing 1.
In the embodiment, the separation plate 7 which is press-mounted in the middle of the shell 1 of the liquid reservoir can reduce the flow of the liquid flowing through the liquid reservoir for the first time, the first annular convex ring 11 and the second annular convex ring 12 which are arranged on the inner side of the side wall of the shell 1 can reduce the flow of the liquid for the second time, and the flow speed of the liquid is reduced after the flow is reduced for the two times, so that the vapor-liquid separation can be better realized, and the noise is reduced; the filter screen 6 is arranged to prevent impurities in the pipeline of the liquid storage component from directly entering the compressor during use and operation, and the compressor is protected.
The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.
Claims (10)
1. The utility model provides a fashioned reservoir of resistance welding which characterized in that: the straight pipe is arranged in the shell, one end of the bent pipe penetrates through the lower cover and is connected with the lower cover, a first flaring is arranged at the port of one end, connected with the lower cover, of the bent pipe, the straight pipe is welded with the lower cover, a second flaring is arranged at the port of one end, welded with the lower cover, of the straight pipe, the second flaring corresponds to the first flaring, the inner diameter of the second flaring is larger than the outer diameter of the first flaring, a punched hole penetrating through the lower cover is arranged in the middle of the lower cover, and punching burrs are arranged on the inner side of the hole wall of the punched hole; the one end that the return bend was provided with first flaring inserts in the punching hole, the lateral wall outside of first flaring with the pore wall that punches a hole adopts resistance welding to weld, the lateral wall of lower cover and second flaring adopts resistance welding to weld, upper cover and casing upper portion welding, lower cover and casing lower part welding, the other end of keeping away from first flaring of straight tube runs through upper cover and upper cover resistance welding.
2. An electric resistance welded reservoir according to claim 1, wherein: the bent pipe is made of a copper-iron composite material, the bent pipe copper-iron composite material takes low-carbon steel or stainless steel as a base material, and the outer diameter of the base material is covered with a copper layer.
3. An electric resistance welded reservoir according to claim 1, wherein: the first flaring is provided with a first stamping inclined plane, and the second flaring is provided with a second stamping inclined plane.
4. A resistance-welded reservoir according to claim 3, wherein: the inclined plane angle of the first stamping inclined plane is 30-60 degrees, and the inclined plane angle of the second stamping inclined plane is 30-60 degrees.
5. An electric resistance welded reservoir according to claim 1, wherein: the lower cover is made of low-carbon steel or stainless steel and is punched into an arc-shaped structure, and the thickness of the lower cover is 1-3 mm.
6. An electric resistance welded reservoir according to claim 1, wherein: the edge of the punched hole is a plane part, and the length of the punching burr is 0.01-0.5 mm.
7. An electric resistance welded reservoir according to claim 1, wherein: the straight pipe is made of low-carbon steel or stainless steel, the thickness of the straight pipe is 0.5-3mm, and the flaring height of the second flaring is 0.5-10 mm.
8. An electric resistance welded reservoir according to claim 1, wherein: the liquid storage device further comprises a separation plate, the separation plate is arranged in the shell and located in the middle of the shell, the separation plate is perpendicular to the side wall of the shell, and the peripheral edge of the separation plate is connected with the side wall of the shell.
9. An electric resistance welded reservoir according to claim 8, wherein: the liquid storage device also comprises a filter screen which is arranged in the shell and is positioned at one end of the shell, which is welded with the upper cover; the inner side of the side wall of the shell is convexly provided with a first annular convex ring and a second annular convex ring, and the first annular convex ring and the second annular convex ring are respectively used for fixing the separating plate and the filter screen.
10. An electric resistance welded reservoir according to claim 9, wherein: the peripheral edge of filter screen is provided with the elastic component, the lateral wall inner edge of casing is hugged closely to the elastic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021688361.7U CN213599616U (en) | 2020-08-13 | 2020-08-13 | Resistance welding formed liquid storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021688361.7U CN213599616U (en) | 2020-08-13 | 2020-08-13 | Resistance welding formed liquid storage device |
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| Publication Number | Publication Date |
|---|---|
| CN213599616U true CN213599616U (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021688361.7U Active CN213599616U (en) | 2020-08-13 | 2020-08-13 | Resistance welding formed liquid storage device |
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| CN (1) | CN213599616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310350A (en) * | 2021-12-16 | 2022-04-12 | 东莞市金瑞五金股份有限公司 | Compressor liquid storage tank production line and production process thereof |
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2020
- 2020-08-13 CN CN202021688361.7U patent/CN213599616U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310350A (en) * | 2021-12-16 | 2022-04-12 | 东莞市金瑞五金股份有限公司 | Compressor liquid storage tank production line and production process thereof |
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