CN218627926U - Fixed bearing structure - Google Patents
Fixed bearing structure Download PDFInfo
- Publication number
- CN218627926U CN218627926U CN202222881110.6U CN202222881110U CN218627926U CN 218627926 U CN218627926 U CN 218627926U CN 202222881110 U CN202222881110 U CN 202222881110U CN 218627926 U CN218627926 U CN 218627926U
- Authority
- CN
- China
- Prior art keywords
- tube core
- fixing part
- end fixing
- heat exchange
- left end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a fixed supporting structure, which is provided with a tube core left end fixed part, a tube core right end fixed part and a tube core middle supporting part; the left end fixing part of the tube core is provided with a left fixing hole site corresponding to the specification of the heat exchange tube core, the right end fixing part of the tube core is provided with a right fixing hole site corresponding to the specification of the heat exchange tube core, the left end of the heat exchange tube core is inserted into the left fixing hole site and connected with the left end fixing part of the tube core, and the right end of the heat exchange tube core is inserted into the right fixing hole site and connected with the right end fixing part of the tube core; the tube core middle support part is arranged between the tube core left end fixing part and the tube core right end fixing part, and the heat exchange tube core is fixedly connected with the tube shell through the tube core middle support part. The utility model discloses can effectively reduce thermal deformation, effectively reduce the thermal deformation volume that both ends annex and heat transfer tube core received promptly, need not additionally increase elastic element and carry out the thermal compensation, ensure the stability of the inside fixed stay of heat transfer tube core.
Description
Technical Field
The utility model relates to a fixed bearing structure especially relates to a fixed bearing structure.
Background
EGR coolers are currently increasingly used in exhaust gas recirculation systems of various engines due to their high heat dissipation performance. The tube core of the tube-fin EGR cooler is arranged in a tube shell by a plurality of groups of heat exchange tubes, and belongs to a common EGR cooler type. Compared with a light EGR cooler, the medium and heavy EGR coolers have high heat exchange power, large volume and high requirements on vibration resistance and thermal shock resistance.
In the conventional technology, the tube fin type heat exchange tube core of the medium and heavy EGR cooler is usually supported and fixed by two structures inside the tube shell:
the first method is that a plurality of groups of comb-type baffle plates are arranged on a heat exchange tube mandrel in the axial direction, and the comb-type baffle plates are assembled with a heat exchange tube and then welded with the heat exchange tube through U-shaped grooves with the same specification as the heat exchange tube;
the second structure is that a plurality of groups of water channel fins are paved among heat exchange tube layers, and the heat exchange tubes are connected into a whole through the water channel fins, so that the radial thermal deformation of the heat exchange tubes can be reduced.
To the medium and heavy EGR cooler that heat transfer power is high, heat transfer tube core is long, foretell two kinds of modes all need take measures such as increasing elastic element (like panel beating bending member, bellows) to carry out axial thermal compensation to reduce because the thermal deformation influence that expend with heat and contract with cold caused, fixed effect is unstable.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a fixed stay structure solves because expend with heat and contract with cold influence the thermal deformation that causes, needs the problem of axial thermal compensation.
In order to achieve the above object, the present invention provides the following technical solutions: a fixed supporting structure is used for fixedly supporting an EGR cooler tube core and comprises a tube core left end fixing part, a tube core right end fixing part and a tube core middle supporting part;
the left end of the tube core is provided with a left fixing hole site corresponding to the specification of the heat exchange tube core, the right end fixing part of the tube core is provided with a right fixing hole site corresponding to the specification of the heat exchange tube core, the left end of the heat exchange tube core is inserted into the left fixing hole site and connected with the left end fixing part of the tube core, and the right end of the heat exchange tube core is inserted into the right fixing hole site and connected with the right end fixing part of the tube core;
the tube core middle supporting part is positioned between the tube core left end fixing part and the tube core right end fixing part, and the heat exchange tube core is fixedly connected with the tube shell through the tube core middle supporting part.
As a preferred scheme of the fixed supporting structure, the tube core middle supporting part comprises a left middle supporting plate and a right middle supporting plate, a left butt joint notch is formed at one end of the left middle supporting plate, and a right butt joint notch is formed at one end of the right middle supporting plate;
the left middle supporting plate is connected with the right butt joint notch on the right middle supporting plate through the left butt joint notch.
As a preferable scheme of the fixed supporting structure, a through hole is formed in the middle supporting part of the tube core, and the heat exchange tube core penetrates through the through hole.
Preferably, as a fixed supporting structure, the four corners of the tube core middle supporting part are provided with fixed protrusions, and the tube core middle supporting part is welded with the tube shell through the fixed protrusions.
As a preferable scheme of the fixed supporting structure, a fixed bulge is arranged in the middle of the edge part of the tube core middle supporting part, and the tube core middle supporting part is welded with the tube shell through the fixed bulge.
As a preferable scheme of the fixed supporting structure, the left middle supporting plate and the right middle supporting plate are molded into a whole in advance.
As a preferable scheme of the fixed supporting structure, auxiliary supporting parts are arranged at positions, which are away from the tube core middle supporting part, of the inner sides of the tube core left end fixing part and the tube core right end fixing part, and the auxiliary supporting parts adopt interlayer water channel fins which are distributed between the upper layer and the lower layer of the heat exchange tube core.
Preferably, the spacing between the interlayer water channel fins adopted by the auxiliary supporting part and the tube core middle supporting part does not exceed 60mm.
As a preferable scheme of the fixed supporting structure, the middle supporting part of the tube core adopts an interlayer water channel fin, and the heat exchange tube core is fixedly connected with the tube shell through the interlayer water channel fin.
The utility model has the advantages of as follows: the device is provided with a tube core left end fixing part, a tube core right end fixing part and a tube core middle supporting part; the left end fixing part of the tube core is provided with a left fixing hole site corresponding to the specification of the heat exchange tube core, the right end fixing part of the tube core is provided with a right fixing hole site corresponding to the specification of the heat exchange tube core, the left end of the heat exchange tube core is inserted into the left fixing hole site and connected with the left end fixing part of the tube core, and the right end of the heat exchange tube core is inserted into the right fixing hole site and connected with the right end fixing part of the tube core; the tube core middle supporting part is arranged between the tube core left end fixing part and the tube core right end fixing part, and the heat exchange tube core is fixedly connected with the tube shell through the tube core middle supporting part. The utility model discloses can effectively reduce thermal deformation, effectively reduce the thermal deformation volume that both ends annex and heat transfer tube core received promptly, need not additionally increase elastic element and carry out the thermal compensation, ensure the stability of the inside fixed stay of heat transfer tube core.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, proportion, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and the modification of any structure, the change of proportion relation or the adjustment of size all fall within the scope which can be covered by the technical content disclosed in the present invention without affecting the efficacy and the purpose which can be achieved by the present invention.
Fig. 1 is a schematic view of a fixing and supporting structure provided in an embodiment of the present invention;
fig. 2 is a schematic view of a plate-type tube core middle support portion provided in an embodiment of the present invention;
fig. 3 is a schematic view of an interlayer water channel fin provided in an embodiment of the present invention;
FIG. 4 is a schematic view of the fixing protrusions distributed on the edges of the middle supporting portion of the tube core provided in the embodiment of the present invention;
fig. 5 is a schematic view of an embodiment of the present invention in which interlayer water channel fins are used as the tube core middle support portion.
In the figure, 1, a die left end fixing part; 2. a tube core right end fixing part; 3. a die intermediate support; 4. a left fixation hole site; 5. a right fixation hole site; 6. a left intermediate support plate; 7. a right intermediate support plate; 8. a left butt joint notch; 9. a right butt joint notch; 10. through hole sites; 11. a fixed protrusion; 12. an auxiliary support portion; I. a heat exchange tube core; II. And (4) a pipe shell.
Detailed Description
The present invention is described in detail with reference to the specific embodiments, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure herein. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a fixed support structure for fixedly supporting an EGR cooler tube core, including a tube core left end fixing portion 1, a tube core right end fixing portion 2, and a tube core middle support portion 3;
the heat exchange tube core I comprises a tube core left end fixing part 1, a tube core right end fixing part 2, a tube core left end fixing hole position 4, a tube core right end fixing hole position 5 and a tube core right end fixing part 2, wherein the tube core left end fixing hole position 4 corresponds to the specification of the heat exchange tube core I;
the tube core middle support part 3 is arranged between the tube core left end fixing part 1 and the tube core right end fixing part 2, and the heat exchange tube core I is fixedly connected with the tube shell II through the tube core middle support part 3.
In this embodiment, the sizes and the numbers of the left fixing hole site 4 and the right fixing hole site 5 correspond to the specification of the heat exchange tube core I, so as to realize the insertion fixing of the end part of the heat pipe of the heat exchange tube core I, and welding is performed after the insertion to ensure the structural strength.
The design of the tube core middle supporting part 3 divides the longer heat exchange tube core I into two sections, cuts the axial stress generated by the heat exchange tube core I due to the influence of expansion with heat and contraction with cold at the middle position, effectively reduces the tube plates adopted by the tube core left end fixing part 1 and the tube core right end fixing part 2 and the thermal deformation quantity received by the heat exchange tube core I, and does not need to add a new elastic element. The axial stress that produces in the full length direction also divides into two parts, has formed two light-duty EGR coolers that length is shorter in other words, has greatly reduced the thermal deformation that pipe core left end fixed part 1, pipe core right-hand member fixed part 2 and pipe core intermediate strut portion 3 received, has promoted the reliability of structure.
With reference to fig. 2 and 3, in this embodiment, the tube core middle support part 3 includes a left middle support plate 6 and a right middle support plate 7, a left butt joint notch 8 is formed at one end of the left middle support plate 6, and a right butt joint notch 9 is formed at one end of the right middle support plate 7; the left middle supporting plate 6 is connected with the right middle supporting plate 7 through a left butt joint notch 8 and a right butt joint notch 9. The tube core middle support part 3 is provided with a through hole site 10, and the heat exchange tube core I passes through the through hole site 10. The four corners of the tube core middle support part 3 are provided with fixing bulges 11, and the tube core middle support part 3 is welded with the tube shell II through the fixing bulges 11.
Specifically, the tube core middle support part 3 can adopt split type design, design into left intermediate support plate 6 and right intermediate support plate 7 promptly, and left intermediate support plate 6 and right intermediate support plate 7 adopt left butt joint opening 8, the butt welding form of right butt joint opening 9, conveniently assemble, and in addition, left intermediate support plate 6 and right intermediate support plate 7 are fashioned as an organic whole in advance. Meanwhile, the through hole positions 10 play a role in limiting and fixing the heat exchange tube core I, and the welded left middle support plate 6 and the welded right middle support plate 7 cut off the original axial stress of the heat exchange tube core I on the whole length, so that the thermal deformation quantity of the heat exchange tube core I is effectively reduced.
The four corners of the tube core middle support part 3 are provided with arc-shaped fixing protrusions 11, the outer circle of each arc-shaped fixing protrusion 11 is the same as the inner diameter of the tube shell II, the tube core middle support part 3 and the tube shell II are welded into a whole through the arc-shaped fixing protrusions 11, and then the effect of fixing the heat exchange tube core I through the tube core middle support part 3 is achieved.
In the embodiment, an auxiliary support portion 12 is arranged at a position where the inner sides of the tube core left end fixing portion 1 and the tube core right end fixing portion 2 are away from the tube core middle support portion 3, the auxiliary support portion 12 is an interlayer water channel fin, and the interlayer water channel fin is distributed between an upper layer and a lower layer of the heat exchange tube core I. The space between the interlayer water channel fins and the tube core middle support part 3 adopted by the auxiliary support part 12 is not more than 60mm.
Concretely, for strengthening the fixed stability of heat transfer tube core I, according to heat transfer tube core I's length, add at tube core left end fixed part 1, tube core right-hand member fixed part 2 and tube core intermediate strut portion 3 and establish a set of or multiunit auxiliary strut portion 12, the water course fin between the structure adoption of auxiliary strut portion 12, the water course fin is laid between heat exchange tube layer and layer between layer, can reduce the heat exchange tube and radially warp, and it is little to the flow resistance of liquid medium, can ensure the smooth and easy circulation of low temperature medium.
The interlayer water channel fins are arranged between the heat exchange tubes, the interlayer distance is slightly smaller than the thickness of the water channel fins, and meanwhile, a pre-pressing force is applied to the interlayer water channel fins. The heat exchange tubes are connected and fixed through metal hot melting between the interlayer water channel fins. The distance between the interlayer water channel fins and the middle supporting plate is not more than 60mm, meanwhile, the distance between the interlayer water channel fins and the tube core left end fixing part 1 or the tube core right end fixing part 2 is not more than 60mm, the width of the interlayer water channel fins can be the same as the length of the subsection distance, and the fixing effect is guaranteed.
With reference to fig. 4, in an embodiment of the fixing and supporting structure, a fixing protrusion 11 is disposed in the middle of an edge portion of the die middle supporting portion 3, and the die middle supporting portion 3 is welded to the package II through the fixing protrusion 11. Wherein, fixed protruding 11 not only can design in the four corners, can also design in the middle part on limit, can play fixed effect equally.
With the assistance of fig. 5, in an embodiment of the fixing and supporting structure, the tube core middle supporting part 3 adopts an interlayer water channel fin, and the heat exchange tube core I is fixedly connected with the tube shell II through the interlayer water channel fin. The tube core middle support part 3 can adopt a plate form and can be the same as the auxiliary support part 12, interlayer water channel fins are adopted, the top of the outer side of the heat exchange tube core I and the bottom of the outer side of the heat exchange tube core I are welded with the interlayer water channel fins, the interlayer water channel fins are welded with the tube shell II, and therefore the heat exchange core body and the tube shell II are connected into a whole through the interlayer water channel fins. The structure principle is consistent with that of a plate type.
To sum up, the utility model is provided with a tube core left end fixing part 1, a tube core right end fixing part 2 and a tube core middle supporting part 3; the left end fixing part 1 of the tube core is provided with a left fixing hole site 4 corresponding to the specification of a heat exchange tube core I, the right end fixing part 2 of the tube core is provided with a right fixing hole site 5 corresponding to the specification of the heat exchange tube core I, the left end of the heat exchange tube core I is inserted into the left fixing hole site 4 and connected with the left end fixing part 1 of the tube core, and the right end of the heat exchange tube core I is inserted into the right fixing hole site 5 and connected with the right end fixing part 2 of the tube core; the tube core middle supporting part 3 is positioned between the tube core left end fixing part 1 and the tube core right end fixing part 2, and the heat exchange tube core I is fixedly connected with the tube shell II through the tube core middle supporting part 3. The design of the tube core middle supporting part 3 divides the longer heat exchange tube core I into two sections, cuts the axial stress of the heat exchange tube core I generated by the influence of expansion with heat and contraction with cold at the middle position, effectively reduces the heat deformation quantity of the tube plate adopted by the tube core left end fixing part 1 and the tube core right end fixing part 2 and the heat exchange tube core I, and does not need to add a new elastic element. The axial stress that produces in the full length direction also divides into two parts, has formed two light-duty EGR coolers that length is shorter in other words, has greatly reduced the thermal deformation that pipe core left end fixed part 1, pipe core right-hand member fixed part 2 and pipe core intermediate strut portion 3 received, has promoted the reliability of structure. The tube core middle support part 3 can adopt split type design, design into left middle support plate 6 and right middle support plate 7 promptly, and left middle support plate 6 and right middle support plate 7 adopt left butt joint opening 8, the butt joint form of right butt joint opening 9, conveniently assemble, and in addition, left middle support plate 6 and right middle support plate 7 are fashioned as an organic whole in advance. Meanwhile, the through hole positions 10 play a role in limiting and fixing the heat exchange tube core I, and the welded left middle support plate 6 and the welded right middle support plate 7 cut off the axial stress of the heat exchange tube core I on the whole length, so that the thermal deformation quantity of the heat exchange tube core I is effectively reduced. The four corners of the tube core middle supporting part 3 are provided with arc-shaped fixing protrusions 11, the outer circle of each arc-shaped fixing protrusion 11 is the same as the inner diameter of the tube shell II, the tube core middle supporting part 3 and the tube shell II are welded into a whole through the arc-shaped fixing protrusions 11, and therefore the effect of fixing the heat exchange tube core I through the tube core middle supporting part 3 is achieved. For strengthening the stability of heat exchange tube core I fixation, according to the length of heat exchange tube core I, add at tube core left end fixed part 1, tube core right-hand member fixed part 2 and tube core middle support portion 3 and establish a set of or multiunit auxiliary support portion 12, the structure of auxiliary support portion 12 adopts the water course fin between the layer, and the water course fin is laid between heat exchange tube layer and layer between layer, can reduce the radial deformation of heat exchange tube, and it is little to the flow resistance of liquid medium, can ensure the smooth and easy circulation of low temperature medium. The interlayer water channel fins are arranged between the heat exchange tubes, the interlayer distance is slightly smaller than the thickness of the water channel fins, and meanwhile, a pre-pressing force is applied to the interlayer water channel fins. The heat exchange tubes are connected and fixed through metal hot melting between the interlayer water channel fins. The distance between the interlayer water channel fins and the middle supporting plate is not more than 60mm, meanwhile, the distance between the interlayer water channel fins and the tube core left end fixing part 1 or the tube core right end fixing part 2 is not more than 60mm, the width of the interlayer water channel fins can be the same as the length of the subsection distance, and the fixing effect is guaranteed. The utility model discloses can effectively reduce thermal deformation, effectively reduce the thermal deformation volume that both ends accessory and heat transfer tube core I received promptly, need not additionally increase elastic element and carry out the thermal compensation, ensure the stability of the inside fixed stay of heat transfer tube core I.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention without departing from the spirit thereof.
Claims (9)
1. A fixed supporting structure is used for fixedly supporting an EGR cooler tube core and is characterized by comprising a tube core left end fixing part (1), a tube core right end fixing part (2) and a tube core middle supporting part (3);
the heat exchanger tube core comprises a tube core left end fixing part (1), a tube core right end fixing part (2) and a tube core right end fixing part (5), wherein the tube core left end fixing part (1) is provided with a left fixing hole site (4) corresponding to the specification of a heat exchanger tube core (I), the left end of the heat exchanger tube core (I) is inserted into the left fixing hole site (4) and connected with the tube core left end fixing part (1), and the right end of the heat exchanger tube core (I) is inserted into the right fixing hole site (5) and connected with the tube core right end fixing part (2);
the tube core middle supporting part (3) is positioned between the tube core left end fixing part (1) and the tube core right end fixing part (2), and the heat exchange tube core (I) is fixedly connected with the tube shell (II) through the tube core middle supporting part (3).
2. A fixed support structure as claimed in claim 1, wherein said tube core intermediate support portion (3) comprises a left intermediate support plate (6) and a right intermediate support plate (7), said left intermediate support plate (6) having a left docking slit (8) formed at one end thereof, said right intermediate support plate (7) having a right docking slit (9) formed at one end thereof;
the left middle supporting plate (6) is connected with the right middle supporting plate (7) through the left butt joint opening (8) and the right butt joint opening (9).
3. A fixed support structure according to claim 2, wherein said tube core intermediate support (3) is formed with a through hole site (10), through which through hole site (10) the heat exchanger tube core (I) passes.
4. A fixed support structure according to claim 3, wherein the die intermediate support (3) is provided with fixing projections (11) at four corners, and the die intermediate support (3) is welded to the case (II) by the fixing projections (11).
5. A fixed support structure according to claim 3, wherein a fixed protrusion (11) is provided in the middle of the edge of the tube core middle support part (3), and the tube core middle support part (3) is welded to the tube shell (II) through the fixed protrusion (11).
6. A fixed support structure as claimed in claim 2, characterised in that said left intermediate support plate (6) and said right intermediate support plate (7) are preformed in one piece.
7. A fixed supporting structure according to claim 1, characterized in that the positions of the inner sides of the tube core left end fixing part (1) and the tube core right end fixing part (2) which are deviated from the tube core middle supporting part (3) are provided with auxiliary supporting parts (12), the auxiliary supporting parts (12) adopt interlayer water channel fins, and the interlayer water channel fins are distributed between the upper layer and the lower layer of the heat exchange tube core (I).
8. A fixed support structure as claimed in claim 7, characterised in that the auxiliary support (12) employs inter-layer water channel fins spaced from the core intermediate support (3) by no more than 60mm.
9. A fixed support structure according to claim 1, characterized in that the tube core intermediate support (3) is formed by interlayer water channel fins, and the heat exchange tube core (I) is fixedly connected with the tube shell (II) through the interlayer water channel fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222881110.6U CN218627926U (en) | 2022-10-31 | 2022-10-31 | Fixed bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222881110.6U CN218627926U (en) | 2022-10-31 | 2022-10-31 | Fixed bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218627926U true CN218627926U (en) | 2023-03-14 |
Family
ID=85474600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222881110.6U Active CN218627926U (en) | 2022-10-31 | 2022-10-31 | Fixed bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218627926U (en) |
-
2022
- 2022-10-31 CN CN202222881110.6U patent/CN218627926U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5329988A (en) | Heat exchanger | |
| FR2791764B1 (en) | HEAT EXCHANGER WITH HEAD COLLECTOR | |
| JP6708172B2 (en) | Intercooler | |
| CN218627926U (en) | Fixed bearing structure | |
| JP2012137251A (en) | Multitubular heat exchanger | |
| CN100498125C (en) | Evaporation box of hot end heat sink for semiconductor electronic refrigerator | |
| CN215864785U (en) | Clamping piece type heat exchanger | |
| CN212030284U (en) | Modular salt melting sleeve heat exchanger structure with expansion joint | |
| CN102012180B (en) | Rectangular all-welded tubular heat supply network heater | |
| CN101266114A (en) | Aluminum spiral radiator | |
| CN214892799U (en) | Composite corrugated plate type heat exchange tower | |
| JP2005214586A (en) | Heat exchanger for cooling exhaust gas | |
| JPS63217197A (en) | Heat exchanger | |
| JPH0722607Y2 (en) | Heat exchanger | |
| CN219319144U (en) | Fin structure of heat exchanger | |
| CN219693970U (en) | Side plate for heat expansion and cold contraction resistance of automobile heat exchanger | |
| CN219736050U (en) | Heat exchanger | |
| CN220288355U (en) | Relieved tooth microchannel heat exchanger for refrigerator | |
| JP2009150572A (en) | Heat exchanger | |
| CN220039163U (en) | Collecting pipe and heat exchanger | |
| CN220023437U (en) | Multi-channel root sleeve reinforced anti-seismic radiator | |
| CN212692593U (en) | Heat exchange tube, core and heat exchanger | |
| CN216745672U (en) | Double-channel folding inner finned tube structure | |
| CN220853239U (en) | Heat exchange tube and heat exchanger | |
| CN216745630U (en) | Connecting structure of metal vacuum heat pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |