CN215524323U - U-shaped heat exchange tube easy to produce and long in service life - Google Patents
U-shaped heat exchange tube easy to produce and long in service life Download PDFInfo
- Publication number
- CN215524323U CN215524323U CN202121206207.6U CN202121206207U CN215524323U CN 215524323 U CN215524323 U CN 215524323U CN 202121206207 U CN202121206207 U CN 202121206207U CN 215524323 U CN215524323 U CN 215524323U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- exchange tube
- shaped heat
- groove
- wall
- 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
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a U-shaped heat exchange tube easy to produce and long in service life, and relates to the technical field of heat exchange tubes. The utility model comprises a right-angle bent pipe and a group of straight pipes, wherein one end of each straight pipe is provided with a connecting end head through a connecting part, the peripheral side surface of each connecting end head is provided with a positioning groove, the right-angle bent pipe comprises a group of symmetrically arranged half bent pipes, connecting sleeves are fixed at the two ends of each half bent pipe, each connecting sleeve is of a semicircular pipe body structure, the inner wall of each connecting sleeve is provided with a groove, the inner wall of each groove is provided with a positioning edge, and the inner wall of each half bent pipe is uniformly provided with a plurality of convex edges at intervals. According to the utility model, the U-shaped heat exchange tube is divided into two straight tubes and one right-angle bent tube, and the right-angle bent tube is divided into two half bent tubes, so that the straight tubes and the half bent tubes are produced and formed independently, the forming of the fins in the U-shaped heat exchange tube is facilitated, the forming quality of the fins in the U-shaped heat exchange tube can be ensured, the heat exchange efficiency of the heat exchange tube is improved, and the service life of the U-shaped heat exchange tube is indirectly prolonged.
Description
Technical Field
The utility model belongs to the technical field of heat exchange tubes, and particularly relates to a U-shaped heat exchange tube which is easy to produce and long in service life.
Background
In order to improve the heat exchange efficiency of U type heat exchange tube in the heat exchanger, avoid appearing the great condition of occupation space simultaneously, can set up interior fin in U type heat exchange tube now, however because the existence of right angle bent pipe portion, because the problem that difficult shaping or shaping effect are not good can appear in the existence of interior fin, the while can appear that inside fin warp, the body pressurized is great and the inside fin appears the condition such as conflict to cause the problem that life reduces.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a U-shaped heat exchange tube which is easy to produce and long in service life.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a U-shaped heat exchange tube with easy production and long service life, which comprises a right-angle bent tube and a group of straight tubes;
one end of the straight pipe is provided with a connecting end through a connecting part, and the peripheral side surface of the connecting end is provided with a positioning groove;
the right-angle bent pipe comprises a group of symmetrically arranged half bent pipes, connecting sleeves are fixed at two ends of each half bent pipe, each connecting sleeve is of a semicircular pipe body structure, a groove is formed in the inner wall of each connecting sleeve, and a positioning edge is arranged on the inner wall of each groove;
a plurality of convex edges are uniformly arranged on the inner wall of the semi-bent pipe at intervals, and the cross section of each convex edge is of a semicircular structure;
a set of half return bend welded fastening each other, the connection end is located the recess and with recess clearance fit, the location is along being located the constant head tank and with constant head tank clearance fit.
Furthermore, screw holes are formed in two sides of the connecting sleeve, and positioning screws are arranged in the screw holes between the connecting sleeves at two ends of the right-angle bent pipe.
Further, the connecting sleeve outside is equipped with the embedded groove, the embedded groove is concentric and the intercommunication with the screw, the nut portion setting of screw is in the embedded groove.
Furthermore, the inner wall of the straight pipe is provided with an inner fin piece, the inner fin piece comprises a plurality of spiral fin edges, and the spiral fin edges are annularly arranged on the inner wall of the straight pipe.
Furthermore, the connecting part is of a conical pipe structure, and a reinforcing welding groove is formed between the connecting part and the connecting sleeves at the end parts of the two half bent pipes.
Furthermore, the inner diameter of the connecting end head and the inner diameter of the connecting sleeve are consistent with the inner diameter of the half bent pipe.
The utility model has the following beneficial effects:
1. according to the utility model, the U-shaped heat exchange tube is divided into two straight tubes and one right-angle bent tube, and the right-angle bent tube is divided into two half bent tubes, so that the straight tubes and the half bent tubes are produced and formed independently, the forming of the fins in the U-shaped heat exchange tube is facilitated, the forming quality of the fins in the U-shaped heat exchange tube can be ensured, the heat exchange efficiency of the heat exchange tube is improved, and the service life of the U-shaped heat exchange tube is indirectly prolonged.
2. The U-shaped heat exchange tube can play a role in positioning through the matching of the connecting end head and the connecting sleeve, is convenient to fix the two half bent tubes during subsequent production, is convenient to fix the two half bent tubes and the straight tube, and is convenient for workers to assemble and produce the U-shaped heat exchange tube.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a U-shaped heat exchange tube of the present invention with easy production and long service life;
FIG. 2 is a schematic structural view of a straight pipe and a half of a bent pipe after being connected;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
in the drawings, the components represented by the respective reference numerals are listed below:
1-right-angle bent pipe, 2-straight pipe, 101-semi-bent pipe, 102-connecting sleeve, 103-groove, 104-positioning edge, 105-convex edge, 106-screw hole, 107-embedded groove, 201-connecting end, 202-positioning groove, 203-spiral wing edge and 204-connecting part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention is a U-shaped heat exchange tube with easy production and long service life, which comprises a right-angle bent tube 1 and a group of straight tubes 2;
one end of the straight pipe 2 is provided with a connecting end 201 through a connecting part 204, and the peripheral side surface of the connecting end 201 is provided with a positioning groove 202;
the right-angle bent pipe 1 comprises a group of symmetrically arranged half bent pipes 101, connecting sleeves 102 are fixed at two ends of each half bent pipe 101, each connecting sleeve 102 is of a semicircular pipe body structure, a groove 103 is formed in the inner wall of each connecting sleeve 102, and a positioning edge 104 is arranged on the inner wall of each groove 103;
a plurality of convex edges 105 are uniformly arranged on the inner wall of the half bent pipe 101 at intervals, and the cross section of each convex edge 105 is of a semicircular structure;
the half-bends 101 are welded and fixed to each other, the connecting end 201 is located in the groove 103 and is in clearance fit with the groove 103, and the positioning edge 104 is located in the positioning groove 202 and is in clearance fit with the positioning groove 202.
As shown in fig. 3, both sides of the connecting sleeve 102 are provided with screw holes 106, and a positioning screw is provided in the screw hole 106 between the connecting sleeves 102 at both ends of the two right-angle bends 1.
As shown in fig. 3, an insertion groove 107 is provided on the outer side of the connection sleeve 102, the insertion groove 107 is concentric with and communicates with the screw hole 106, and the nut portion of the screw is disposed in the insertion groove 107.
As shown in fig. 1-2, the inner wall of the straight tube 2 is provided with an inner fin member, the inner fin member includes a plurality of spiral fin edges 203, and the plurality of spiral fin edges 203 are annularly arranged on the inner wall of the straight tube 2.
The connecting portion 204 is a tapered pipe structure, and a reinforcing weld groove is formed between the connecting portion 204 and the connecting sleeves 102 at the end portions of the two half-bent pipes 101.
As shown in fig. 2-3, the inner diameter of the connection end 201 and the inner diameter of the connection sleeve 102 are both the same as the inner diameter of the half elbow 101,
the production method comprises the following steps: the straight pipe 2 with the inner fin is manufactured in advance, the half bent pipes 101 with the convex edges 105 are formed at the same time, the end portions of the two half bent pipes 101 are sleeved on the end portions of the two straight pipes 2 through the matching of the positioning edges 104 and the positioning grooves 202 to achieve the positioning effect, the pre-fixing effect can be achieved through the screw holes 106 and the screws, the position of the U-shaped heat exchange pipe is convenient to limit subsequently, and the subsequent welding and fixing between the two half bent pipes 101 are convenient to achieve.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides an easily produce U type heat exchange tube of high life, includes right angle return bend (1) and a set of straight tube (2), its characterized in that:
one end of the straight pipe (2) is provided with a connecting end (201) through a connecting part (204), and the peripheral side surface of the connecting end (201) is provided with a positioning groove (202);
the right-angle bent pipe (1) comprises a group of symmetrically arranged half bent pipes (101), connecting sleeves (102) are fixed at two ends of each half bent pipe (101), each connecting sleeve (102) is of a semicircular pipe body structure, a groove (103) is formed in the inner wall of each connecting sleeve (102), and a positioning edge (104) is formed in the inner wall of each groove (103);
a plurality of convex edges (105) are uniformly arranged on the inner wall of the semi-bent pipe (101) at intervals, and the cross section of each convex edge (105) is of a semicircular structure;
and the half bent pipes (101) are welded and fixed with each other, the connecting end heads (201) are positioned in the grooves (103) and are in clearance fit with the grooves (103), and the positioning edges (104) are positioned in the positioning grooves (202) and are in clearance fit with the positioning grooves (202).
2. The U-shaped heat exchange tube easy to produce and long in service life according to claim 1, wherein screw holes (106) are formed in both sides of the connecting sleeve (102), and positioning screws are arranged in the screw holes (106) between the connecting sleeves (102) at both ends of the two right-angle elbows (1).
3. The easy-to-produce long-life U-shaped heat exchange tube according to claim 2, characterized in that the outside of the connecting sleeve (102) is provided with an embedded groove (107), the embedded groove (107) is concentric and communicated with the screw hole (106), and the nut part of the screw is arranged in the embedded groove (107).
4. An easily producible long-life U-shaped heat exchange tube according to claim 1, wherein the inner wall of the straight tube (2) is provided with an inner fin member, the inner fin member comprises a plurality of spiral fin edges (203), and the plurality of spiral fin edges (203) are annularly arranged on the inner wall of the straight tube (2).
5. An easily producible and long-life U-shaped heat exchange tube according to claim 1, wherein the connecting portion (204) is a tapered tube structure, and a reinforcing weld groove is formed between the connecting portion (204) and the connecting sleeve (102) at the end of the two half-bent tubes (101).
6. An easily producible long-life U-shaped heat exchange tube according to claim 1, wherein the inner diameter of the connection end (201) and the inner diameter of the connection sleeve (102) are both in accordance with the inner diameter of the half bend (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121206207.6U CN215524323U (en) | 2021-06-01 | 2021-06-01 | U-shaped heat exchange tube easy to produce and long in service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121206207.6U CN215524323U (en) | 2021-06-01 | 2021-06-01 | U-shaped heat exchange tube easy to produce and long in service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215524323U true CN215524323U (en) | 2022-01-14 |
Family
ID=79806089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121206207.6U Active CN215524323U (en) | 2021-06-01 | 2021-06-01 | U-shaped heat exchange tube easy to produce and long in service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215524323U (en) |
-
2021
- 2021-06-01 CN CN202121206207.6U patent/CN215524323U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3689972A (en) | Method of fabricating a heat exchanger | |
| US4633056A (en) | Method for manufacturing special-section tubes for tubular heat exchangers and tubes provided by such method | |
| CN215524323U (en) | U-shaped heat exchange tube easy to produce and long in service life | |
| CN201547443U (en) | Small bending radius elbow pipe fitting with straight pipe section | |
| CN102052866A (en) | Finned tube type heat exchanger and manufacturing method thereof | |
| US2146352A (en) | Heat exchanger | |
| JP2013113525A (en) | Double tube | |
| CN202708369U (en) | Corrugated reelable connecting pipe | |
| CN213631075U (en) | Gas collecting pipe assembly | |
| CN204786526U (en) | Elliptical tube air heater's heat exchange pipe and pipe plate's connection seal structure | |
| CN209867172U (en) | Flaring device | |
| CN205317053U (en) | Heat exchange tube with radiating fin | |
| EP0175743B1 (en) | Method of manufacturing hairpin configured tubes | |
| CN212458083U (en) | Novel heat transfer pipe | |
| CN215984088U (en) | Header and heat collector thereof | |
| EP3795739A3 (en) | Clothes dryer | |
| CN205617126U (en) | Condenser for dry cleaner | |
| CN202329375U (en) | Collecting pipe for heat exchanger, collecting pipe and connecting pipe assembly and heat exchanger | |
| CN221147267U (en) | Inserted sheet formula heat pump microchannel heat exchanger | |
| CN2825159Y (en) | Expansion bar for fixing and connecting condenser tube and radiator fin | |
| CN220649206U (en) | High-frequency welding spiral finned tube with elbow | |
| CN215063875U (en) | Heat exchanger | |
| CN205119912U (en) | Heat exchanger easy to assemble | |
| CN214889620U (en) | Riveting formula pipeline coupling assembling | |
| CN209876173U (en) | Special-shaped seamless titanium alloy pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |