CN211120133U - Collecting pipe of automobile air conditioner evaporator - Google Patents
Collecting pipe of automobile air conditioner evaporator Download PDFInfo
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- CN211120133U CN211120133U CN201922101061.8U CN201922101061U CN211120133U CN 211120133 U CN211120133 U CN 211120133U CN 201922101061 U CN201922101061 U CN 201922101061U CN 211120133 U CN211120133 U CN 211120133U
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- sealing cover
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- board
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Abstract
The utility model discloses a vehicle air conditioner evaporimeter pressure manifold, which comprises a pipe body, the body includes mainboard, longitudinal baffle, cross slab, closing cap, imports and exports stifled cap, the mainboard both sides are equipped with the portion of upwards bending, and the closing cap both sides are equipped with the portion of bending downwards, and the portion of upwards bending and the mutual lock of the portion of bending downwards set up longitudinal baffle along body length direction between mainboard and the closing cap, cut apart into two lumens through the space of longitudinal baffle between mainboard and the closing cap, and the interval sets up a plurality of antithetical couplet through-holes on the longitudinal baffle, and two lumens switch on each other through antithetical couplet through-hole, and the one end of lumen is equipped with imports and exports stifled cap, and the other. The utility model provides a production technology that current product exists complicated, the input cost is high, the compressive capacity is weak, the poor problem of refrigerant flow equalization nature.
Description
Technical Field
The utility model relates to an on-vehicle air conditioning system, especially a vehicle air conditioner evaporimeter pressure manifold.
Background
At present, the parallel flow evaporator gradually occupies the mainstream evaporator market with the technical advantages of compact structure, high heat exchange efficiency and good mold universality. However, the collecting pipe used as the core component of the evaporator still has the defects of high mold investment cost, high process processing difficulty and the like.
At present, the collecting pipe structure of the mainstream parallel flow evaporator in the market is mainly as follows:
1) two Half section of jurisdiction (be brazing with aluminum alloy composite sheet) lock structure, this structure mould input cost is higher, and receives the stamping process restriction, and two chamber allies oneself with the through-hole flow area less, and the evaporimeter flow resistance is high.
2) Two D type tubular construction, this tubular construction adopt for brazing aluminum alloy composite panel process into the mouth venturi tube through high frequency welding, are subject to the high frequency welding technology, and used material strength can not be too high, causes the product crushing resistance poor, and airtight detection yielding, and the single tube purchase cost is high.
3) The profile is clad with a brazing foil structure. The structure is extremely difficult to punch a through hole on the internal longitudinal diaphragm, a punching cutter needs to be stretched into one end of the collecting pipe, the axial depth of the punching cutter along the collecting pipe is limited, the hole cannot be uniformly arranged in the whole flow length, the refrigerant has poor flow uniformity, and the heat exchange efficiency of the product is low. And this structure needs to paste the punching press of brazing filler metal paper tinsel on the section bar surface, easily causes the product to braze the time wrapped up air and can not in time discharge and make the soldering seam mix with the air.
4) The integrated collecting pipe (CN 205209023U) is punched and bent by using a brazing aluminum alloy composite plate coil stock, a series of large-scale precise continuous dies are required to be used for realizing the structure, the investment cost of the dies is very high, and the dies need to be conditionally and selectively used.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a novel vehicle air conditioner evaporimeter collecting pipe structure solves the production technology complicacy that current product exists, input cost is high, the compressive capacity is weak, the poor problem of refrigerant flow uniformity nature.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a vehicle air conditioner evaporimeter pressure manifold, includes the body, the body includes mainboard, longitudinal baffle, cross slab, closing cap, imports and exports stifled cap, the mainboard both sides are equipped with the portion of upwards bending, and the closing cap both sides are equipped with the portion of bending downwards, and the portion of bending upwards is buckled with the portion of bending downwards each other, sets up longitudinal baffle along body length direction between mainboard and the closing cap, cuts apart into two lumens through the space between mainboard and the closing cap of longitudinal baffle, and the interval sets up a plurality of antithetical couplets through-hole on the longitudinal baffle, and two lumens switch on each other through antithetical couplet through-hole, and the one end of lumen is equipped with imports and exports stifled cap.
Furthermore, the main board and the sealing cover are consistent in width, a buckling groove is formed in the outer side of the lower end of the downward bending portion of the sealing cover, and the upper end portion of the upward bending portion of the main board is embedded into the buckling groove.
Furthermore, the middle of the bottom surface of the sealing cover is provided with a groove corresponding to the longitudinal partition plate, a plurality of longitudinal bulges are arranged at intervals at the bottom of the longitudinal partition plate, and the main board is provided with longitudinal inserting holes corresponding to the longitudinal bulges.
Furthermore, horizontal protrusions are arranged at the top and the bottom of the horizontal partition plate, and horizontal insertion holes corresponding to the horizontal protrusions are formed in the seal cover and the main board.
Furthermore, lateral protrusions are arranged on the lateral edges of the transverse partition boards, and lateral insertion grooves corresponding to the lateral protrusions are formed in the upward bending portion of the main board.
Further, the length of the longitudinal protrusion is larger than the depth of the longitudinal insertion hole; the length of the transverse bulge is greater than the depth of the transverse insertion hole, and the length of the lateral bulge is equal to the depth of the lateral insertion groove.
Furthermore, the middle part of the inlet and outlet plugging cap is provided with a refrigerant inlet and outlet, the edge of the inlet and outlet plugging cap is provided with an annular outer enclosure, and the annular outer enclosure is buckled on the outer sides of the main board and the sealing cover.
Furthermore, the inner side of the annular outer enclosure is provided with a rounding.
Furthermore, the main board, the longitudinal partition board, the sealing cover, the transverse partition board and the inlet and outlet plugging caps are all made of aluminum alloy materials.
Furthermore, the main board, the longitudinal partition board and the transverse partition board are formed by punch forming of an aluminum alloy composite board for brazing of a brazing material layer with double surfaces, the sealing cover is a section and is formed by hot extrusion of aluminum alloy, the upward bending part is formed by bending two sides of the main board, the lower bending part is formed by hot extrusion and drawing of two sides of the sealing cover, and the annular outer enclosure is formed by punch forming of a plate.
The utility model discloses an advantage that structural feature compares with prior art as follows:
1) compared with a two-piece type Half structure collecting pipe, the longitudinal clapboard of the utility model is processed independently, the flow cross section area of the connecting hole which can be processed is larger, the flow resistance of the evaporator can be obviously reduced, the refrigeration efficiency of the system is improved, and the investment cost of the mould is lower than that of the former;
2) compared with a double-D-shaped pipe structure, the pipe body section of the utility model can use aluminum alloy materials with higher strength, so that the collecting pipe can bear higher pressure and is not deformed after airtight test and various pressure resistance reliability tests; and the purchase cost is lower.
3) Compare with section bar laminating brazing filler metal paper tinsel structure, the utility model discloses a longitudinal baffle processes alone, can evenly arrange the antithetical couplet through-hole in two chambeies of UNICOM in whole flow structure, makes the refrigerant distribute more evenly, and evaporimeter heat exchange efficiency is higher. And the mainboard adopts the aluminium alloy composite board for brazing, has avoidd the risk that the air mingled with, makes the brazed joint quality higher, and the product reliability is better.
4) Compare with the integrated into one piece's of bending pressure manifold with brazing with the punching press of aluminum alloy composite sheet coil stock, the utility model discloses a mould input cost only is its one-third.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a front view of a longitudinal partition;
FIG. 3 is a front view of the motherboard;
FIG. 4 is a top view of the motherboard;
FIG. 5 is a front view of a transverse partition;
FIG. 6 is an assembly view of the transverse partition, the main panel and the longitudinal partition;
FIG. 7 is a front view of the closure;
FIG. 8 is a left side view of the closure;
FIG. 9 is an assembly view of the transverse partition, the main panel, the longitudinal partition and the cover;
FIG. 10 is a schematic view of the inlet/outlet plugging cap;
FIG. 11 is a structural assembly diagram of the present invention;
in the figure: 1-a transverse partition; 2, a main board; 2-1-upward bending part; 3-longitudinal partition board; 4-inlet and outlet blocking caps; 4-1-refrigerant inlet and outlet; 4-2-annular outer enclosure; 5-sealing the cover; 5-1-downward bending part; 5-2-catching groove; 6-longitudinal bulge; 7-a through-hole; 8-longitudinal plug holes; 9-transverse plug holes; 10-lateral plug groove; 11-a lateral bulge; 12-a lateral projection; 13-a lumen; 14-a groove; 15-flat tube interface.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 11, the utility model discloses a vehicle air conditioner evaporimeter pressure manifold, including the body, the body includes mainboard 2, longitudinal baffle 3, closing cap 5, 2 both sides of mainboard are equipped with the portion of bending 2-1 upwards, 5 both sides of closing cap are equipped with the portion of bending 5-1 downwards, the portion of bending 2-1 upwards with the mutual lock of the portion of bending 5-1 downwards, set up longitudinal baffle 3 along body length direction between mainboard 2 and the closing cap 5, divide into two lumens 13 through longitudinal baffle 3 with the space between mainboard 2 and the closing cap 5, the interval sets up a plurality of antithetical couplet through-holes 7 on the longitudinal baffle 3, two lumens 13 switch on each other through antithetical couplet through-holes 7, the one end of lumen 13 is equipped with exit cap 4, the other end and the middle part of lumen 13 set up transverse baffle 1 along body width direction.
In this embodiment, the buckling structure of the upward bending portion 2-1 and the downward bending portion 5-1 is that the main board 2 and the sealing cover 5 have the same width, a buckling groove 5-2 is formed in the outer side of the lower end of the downward bending portion 5-1 of the sealing cover 5, and the upper end of the upward bending portion 2-1 of the main board 2 is partially embedded into the buckling groove 5-2.
In this embodiment, the fixing structure of the longitudinal partition 3 is that a groove 14 corresponding to the longitudinal partition 3 is formed in the middle of the bottom surface of the cover 5, the groove 14 can limit the longitudinal partition 3, and the groove depth of the groove 14 is greater than the matching depth of the longitudinal partition 3 to accommodate the manufacturing and assembling tolerance of the longitudinal partition 3. The bottom of the longitudinal partition board 3 is provided with a plurality of longitudinal bulges 6 at intervals, and the main board 2 is provided with longitudinal inserting holes 8 corresponding to the longitudinal bulges 6. The longitudinal plug-in holes 8 are staggered with the flat pipe interfaces 15 on the main board 2. The longitudinal plug hole 8 is tightly matched with the longitudinal bulge 6.
In this embodiment, the fixing structure of the transverse partition board 1 is that the top and the bottom of the transverse partition board 1 are both provided with transverse protrusions 11, the seal cover 5 and the main board 2 are both provided with transverse insertion holes 9 corresponding to the transverse protrusions 11, and the transverse protrusions 11 are tightly matched with the transverse insertion holes 9. Preferably, in order to improve the assembly stability of the transverse partition board 1, the lateral edge of the transverse partition board 1 is provided with a lateral protrusion 12, and the upward bent part 2-1 is provided with a lateral insertion groove 10 corresponding to the lateral protrusion 12. The lateral projections 12 are tightly fitted with the lateral plug grooves 10.
In this embodiment, it is further preferable that the length of the longitudinal protrusion 6 is greater than the depth of the longitudinal insertion hole 8; the length of the transverse projection 11 is larger than the depth of the transverse plugging hole 9, and the length of the lateral projection 12 is equal to the depth of the lateral plugging groove 10. Carry out riveting fixed with mainboard 2, longitudinal baffle 3, closing cap 5, transverse baffle 1 during the assembly of being convenient for.
In this embodiment, the middle of the inlet/outlet blocking cap 4 is provided with two refrigerant inlets/outlets 4-1, which are respectively communicated with one of the tube cavities 13. The edge of the inlet and outlet plugging cap 4 is provided with an annular outer enclosure 4-2, and the annular outer enclosure 4-2 is buckled on the outer sides of the main board 2 and the sealing cover 5. Preferably, the inner side of the annular outer enclosure 4-1 is provided with a rounding, so that the annular outer enclosure 4-2 is guided, and the assembly efficiency of the inlet and outlet plugging cap 4 is improved.
The utility model discloses a mainboard 2, longitudinal baffle 3, closing cap 5, transverse baffle 1, import and export stifled cap 4 all adopt the aluminum alloy material. The main board 2, the longitudinal partition board 3 and the transverse partition board 1 are formed by punching and molding aluminum alloy composite boards for brazing with brazing layers on two sides, the sealing cover 5 is formed by hot extrusion and drawing of aluminum alloy, the upward bending part 2-1 is formed by bending and drawing two sides of the main board 2, the downward bending part 5-1 is formed by hot extrusion and drawing two sides of the sealing cover 5, and the annular outer enclosure 4-1 is formed by punching and molding plates.
The utility model discloses vehicle air conditioner evaporimeter pressure manifold is when assembling: inserting a longitudinal bulge 6 at the bottom of a longitudinal partition plate 3 into a longitudinal inserting hole 8 of a main plate 2, inserting a lateral bulge 12 of a transverse partition plate 1 into a lateral inserting groove 10 of an upward bending part 2-1 of the main plate 2, and simultaneously inserting a transverse bulge 11 at the bottom of the transverse partition plate 1 into a transverse inserting hole 9 of the main plate 2 in place; then the longitudinal partition plate 3, the transverse partition plate 1 and the main plate 2 are riveted and fixed through a riveting tool, and during riveting, the parts of the longitudinal bulge 6 and the transverse bulge 11, which extend out of the plug-in hole and the plug-in groove, are punched through a cutter to deform, so that the parts are tightly connected with the plug-in hole and the plug-in groove; then, assembling the sealing cover 5, inserting the transverse protrusion 11 at the top of the transverse partition plate 1 into the transverse insertion hole 9 of the sealing cover 5, inserting the groove 16 into the top of the longitudinal partition plate 3, simultaneously buckling the upper bending part 2-1 and the lower bending part 5-1 in place, riveting and fixing the sealing cover 5 and the transverse partition plate 1, and punching the part of the transverse protrusion 11 extending out of the insertion hole by a cutter to deform the part so as to form tight connection with the insertion hole. And finally, the inlet and outlet plugging cap 4 is buckled on the outer sides of the main board 2 and the sealing cover 5. From this point, the manifold assembly is complete.
Then the collecting pipe is assembled with the flat pipe of the evaporator and other fittings, and the joints among the main plate 2, the longitudinal clapboard 3, the sealing cover 5, the transverse clapboard 1, the inlet and outlet plugging caps 4 and the joints of the parts and other fittings of the evaporator are tightly connected through a brazing process, thereby finally finishing the production of the evaporator.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an automobile air conditioner evaporimeter pressure manifold, includes the body, its characterized in that: the pipe body comprises a main board (2), a longitudinal partition board (3), a transverse partition board (1), a sealing cover (5) and an inlet and outlet plugging cap (4), upward bending parts (2-1) are arranged on two sides of the main board (2), downward bending parts (5-1) are arranged on two sides of the sealing cover (5), the upward bending parts (2-1) and the downward bending parts (5-1) are buckled with each other, a longitudinal partition board (3) is arranged between the main board (2) and the sealing cover (5) along the length direction of the pipe body, divide into two lumen (13) through longitudinal baffle (3) with the space between mainboard (2) and closing cap (5), the interval sets up a plurality of antithetical couplet through-holes (7) on longitudinal baffle (3), and two lumen (13) switch on each other through antithetical couplet through-hole (7), and the one end of lumen (13) is equipped with to import and export stifled cap (4), and the other end and the middle part of lumen (13) set up horizontal partition (1) along body width direction.
2. A header for an evaporator of an automotive air conditioner according to claim 1, wherein: the main board (2) and the sealing cover (5) are consistent in width, a buckling groove (5-2) is formed in the outer side of the lower end of a downward bending part (5-1) of the sealing cover (5), and the upper end part of the upward bending part (2-1) of the main board (2) is embedded into the buckling groove (5-2).
3. A vehicle air conditioner evaporator manifold as recited in claim 1 or 2, wherein: the middle of the bottom surface of the sealing cover (5) is provided with a groove (14) corresponding to the longitudinal partition plate (3), the bottom of the longitudinal partition plate (3) is provided with a plurality of longitudinal bulges (6) at intervals, and the main board (2) is provided with longitudinal inserting holes (8) corresponding to the longitudinal bulges (6).
4. A header for an evaporator of an automotive air conditioner according to claim 3, wherein: the top and the bottom of the transverse partition plate (1) are respectively provided with a transverse protrusion (11), and the sealing cover (5) and the main plate (2) are respectively provided with a transverse insertion hole (9) corresponding to the transverse protrusion (11).
5. An automotive air conditioning evaporator header according to claim 4, wherein: lateral protrusions (12) are arranged on the lateral edges of the transverse partition plate (1), and lateral insertion grooves (10) corresponding to the lateral protrusions (12) are formed in the upward bending portion (2-1) of the main plate (2).
6. An automotive air conditioning evaporator header according to claim 5, wherein: the length of the longitudinal bulge (6) is greater than the depth of the longitudinal splicing hole (8); the length of the transverse protrusion (11) is larger than the depth of the transverse insertion hole (9), and the length of the lateral protrusion (12) is equal to the depth of the lateral insertion groove (10).
7. An automotive air conditioning evaporator header according to claim 6, wherein: the middle part of the inlet and outlet blocking cap (4) is provided with a refrigerant inlet and outlet (4-1), the edge of the inlet and outlet blocking cap (4) is provided with an annular outer enclosure (4-2), and the annular outer enclosure (4-2) is buckled on the outer sides of the main board (2) and the sealing cover (5).
8. An automotive air conditioning evaporator header according to claim 7, wherein: the inner side of the annular outer enclosure (4-1) is provided with a rounding.
9. A vehicle air conditioner evaporator manifold as recited in claim 8, wherein: the main board (2), the longitudinal partition board (3), the sealing cover (5), the transverse partition board (1) and the inlet and outlet plugging caps (4) are all made of aluminum alloy materials.
10. A vehicle air conditioner evaporator manifold as recited in claim 9, wherein: the main board (2), the longitudinal partition board (3) and the transverse partition board (1) are formed by punching an aluminum alloy composite board for brazing with a brazing material layer on the double surfaces, the sealing cover (5) is a section bar and is formed by hot extrusion of aluminum alloy, the upward bending part (2-1) is formed by bending two sides of the main board (2), the lower bending part (5-1) is formed by hot extrusion and drawing of two sides of the sealing cover (5), and the annular outer enclosure (4-1) is formed by punching a board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922101061.8U CN211120133U (en) | 2019-11-29 | 2019-11-29 | Collecting pipe of automobile air conditioner evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922101061.8U CN211120133U (en) | 2019-11-29 | 2019-11-29 | Collecting pipe of automobile air conditioner evaporator |
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| Publication Number | Publication Date |
|---|---|
| CN211120133U true CN211120133U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922101061.8U Active CN211120133U (en) | 2019-11-29 | 2019-11-29 | Collecting pipe of automobile air conditioner evaporator |
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| CN (1) | CN211120133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762907A (en) * | 2019-11-29 | 2020-02-07 | 南京协众汽车空调集团有限公司 | Collecting pipe of automobile air conditioner evaporator |
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2019
- 2019-11-29 CN CN201922101061.8U patent/CN211120133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762907A (en) * | 2019-11-29 | 2020-02-07 | 南京协众汽车空调集团有限公司 | Collecting pipe of automobile air conditioner evaporator |
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