CN204923463U - Coiled pipe heat exchanger business turn over working medium is chewed screw thread and is compressed tightly coupling mechanism - Google Patents
Coiled pipe heat exchanger business turn over working medium is chewed screw thread and is compressed tightly coupling mechanism Download PDFInfo
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- CN204923463U CN204923463U CN201520064529.XU CN201520064529U CN204923463U CN 204923463 U CN204923463 U CN 204923463U CN 201520064529 U CN201520064529 U CN 201520064529U CN 204923463 U CN204923463 U CN 204923463U
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Abstract
The utility model discloses a coiled pipe heat exchanger business turn over working medium is chewed screw thread and is compressed tightly coupling mechanism installs in the water tank of water heater, and a business turn over through -hole has been seted up to this water tank, and it includes, and a coiled pipe heat exchanger, a working medium are chewed, a double -screw bolt, afterbody that this working medium was chewed with step in business turn over through -hole welding, anterior inside wall that working medium was chewed have one, the radial terminal surface of step was provided with the internal thread in should, coiled pipe heat exchanger inlays and establishes in working medium is chewed, and coiled pipe heat exchanger's front end has a first hem of externally folded, this first hem with the beveled laminate of interior step, the double -screw bolt with interior screw -thread fit compresses tightly first hem. The utility model discloses utilize argon arc solder joint stress, deformation, the little characteristics of crackle incline to and chew anterior internal thread with working medium and chew interior step with hem to the working medium that the double -screw bolt cooperation compressed tightly the heat exchanger, thereby to accomplish working medium and chew the sealed of front end, the sealed design of two departments effectively prevents seepage and corruption.
Description
Technical field
The utility model relates to water heater, and especially a kind of coil exchanger turnover working medium chews screw thread compaction connecting mechanism.
Background technology
Along with the progress of technology, the sealing requirements of water heater turnover working medium being chewed to position is more and more higher, and existing working medium to chew bindiny mechanism very simple and easy, and this position is the high frequency treatment of current scour, very easily there is seepage and corrosion, this hidden danger is huge for the qualitative effects of product, and therefore, how improving sealing that working medium chews bindiny mechanism to solve seepage is this area technical problem urgently to be resolved hurrily.
Utility model content
For solving the problems of the technologies described above, the utility model spy proposes a kind of coil exchanger turnover working medium and chews screw thread compaction connecting mechanism.
The technical solution adopted in the utility model is:
A kind of coil exchanger turnover working medium chews screw thread compaction connecting mechanism, be installed on the water tank of water heater, this water tank offers a turnover through hole, it comprises a coil exchanger, one working medium is chewed, one stud, the afterbody that this working medium is chewed welds with described turnover through hole, the front inner wall that working medium is chewed has step in, the radial end face of this interior step is provided with internal thread, described coil exchanger is embedded in working medium is chewed, and the front end of coil exchanger has the first flanging of outwards bending, fit in the inclined-plane of this first flanging and described interior step, described stud and described screw-internal thread fit also compress described first flanging.
Further, it also comprises a pad, and this pad is arranged between the inclined-plane of the first flanging and described interior step.
Further, the aperture of described turnover through hole is the second flanging, and the afterbody that working medium is chewed and described turnover through hole junction are outer step, and this second flanging is connected mutually with described outer step, and the solder joint of described welding is positioned at the joining place of this second flanging and outer step.
Further, the gap filling between the described second flanging back side and outer step has seal.
Preferably, described seal is epoxy resin.
Preferably, described pad is red copper pad.
Preferably, described working medium is chewed and is passed in and out and is welded as argon arc welding between through hole.
In addition, described working medium chews front end outer side wall is external screw teeth.
The beneficial effects of the utility model:
What the utility model coil exchanger turnover working medium chewed screw thread compaction connecting mechanism arranges argon arc solder joint in the working medium gap of chewing between water tank, the arc burning of argon arc welding is utilized to stablize, heat is concentrated, arc column temperature is high, welding production efficiency is high, the features such as heat affected area is narrow, welded solder joint stress, distortion, crackle is made to be inclined to little, meanwhile, working medium is chewed anterior internal thread and is coordinated with stud flanging to the working medium compressing heat exchanger to chew interior step, thus completing the sealing that working medium chews front end, two place's Seal Design effectively prevent seepage.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further.
Fig. 1 is schematic diagram of the present utility model.
Detailed description of the invention
With reference to shown in Fig. 1, for a kind of coil exchanger turnover working medium of the present utility model chews screw thread compaction connecting mechanism, be installed on the water tank 10 of water heater, this water tank 10 offers a turnover through hole, it comprises a coil exchanger 20, one stainless steel working medium chews 30, one red copper pad 40, one stud 50, this working medium chews the afterbody of 30 and described turnover through hole argon arc welding, it is external screw teeth 301 that working medium chews 30 front end outer side walls, the front inner wall that working medium chews 30 has step in, the radial end face of this interior step is provided with internal thread 302, described coil exchanger 20 is embedded to be chewed in 30 in working medium, and the front end of coil exchanger 20 has the first flanging 201 of outwards bending, this pad 40 is arranged between the inclined-plane 303 of the first flanging 201 and described interior step, described stud 50 coordinates with described internal thread 302 and compresses described first flanging 201 and pad 40 inclined-plane 303 to interior step, complete the sealing that working medium chews 30 front ends.
As the optimal design of the technical program, the aperture of described turnover through hole is the second flanging, working medium chew 30 afterbody and described turnover through hole junction be outer step, this second flanging is connected mutually with described outer step, the solder joint 60 of described argon arc welding is positioned at the joining place of this second flanging and outer step, and this project organization is reasonable, and joining place is without indisposed sense, solder joint stress, distortion, crackle are inclined to little, and product design is attractive in appearance; Further, the gap filling between the described second flanging back side and outer step has epoxy resin 70, and the secondary waterproof as the technical program designs, and ensures the risk that seepage can not occur further.
The foregoing is only preferred embodiments of the present utility model, the utility model is not limited to above-mentioned embodiment, as long as the technical scheme realizing the utility model object with basic same approach all belongs within protection domain of the present utility model.
Claims (8)
1. a coil exchanger turnover working medium chews screw thread compaction connecting mechanism, be installed on the water tank of water heater, this water tank offers a turnover through hole, it is characterized in that: comprise a coil exchanger, one working medium is chewed, one stud, the afterbody that this working medium is chewed welds with described turnover through hole, the front inner wall that working medium is chewed has step in, the radial end face of this interior step is provided with internal thread, described coil exchanger is embedded in working medium is chewed, and the front end of coil exchanger has the first flanging of outwards bending, fit in the inclined-plane of this first flanging and described interior step, described stud and described screw-internal thread fit also compress described first flanging.
2. a kind of coil exchanger turnover working medium according to claim 1 chews screw thread compaction connecting mechanism, and it is characterized in that: it also comprises a pad, this pad is arranged between the inclined-plane of the first flanging and described interior step.
3. a kind of coil exchanger turnover working medium according to claim 1 and 2 chews screw thread compaction connecting mechanism, it is characterized in that: the aperture of described turnover through hole is the second flanging, the afterbody that working medium is chewed and described turnover through hole junction are outer step, this second flanging is connected mutually with described outer step, and the solder joint of described welding is positioned at the joining place of this second flanging and outer step.
4. a kind of coil exchanger turnover working medium according to claim 3 chews screw thread compaction connecting mechanism, it is characterized in that: the gap filling between the described second flanging back side and outer step has seal.
5. a kind of coil exchanger turnover working medium according to claim 4 chews screw thread compaction connecting mechanism, it is characterized in that: described seal is epoxy resin.
6. a kind of coil exchanger turnover working medium according to claim 2 chews screw thread compaction connecting mechanism, it is characterized in that: described pad is red copper pad.
7. a kind of coil exchanger turnover working medium according to claim 1 chews screw thread compaction connecting mechanism, it is characterized in that: described working medium is chewed and passed in and out and is welded as argon arc welding between through hole.
8. a kind of coil exchanger turnover working medium according to claim 1 chews screw thread compaction connecting mechanism, it is characterized in that: it is external screw teeth that described working medium chews front outsides wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064529.XU CN204923463U (en) | 2015-01-29 | 2015-01-29 | Coiled pipe heat exchanger business turn over working medium is chewed screw thread and is compressed tightly coupling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064529.XU CN204923463U (en) | 2015-01-29 | 2015-01-29 | Coiled pipe heat exchanger business turn over working medium is chewed screw thread and is compressed tightly coupling mechanism |
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| CN204923463U true CN204923463U (en) | 2015-12-30 |
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| CN201520064529.XU Active CN204923463U (en) | 2015-01-29 | 2015-01-29 | Coiled pipe heat exchanger business turn over working medium is chewed screw thread and is compressed tightly coupling mechanism |
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| CN (1) | CN204923463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613648A (en) * | 2015-01-29 | 2015-05-13 | 广东百思特管业科技有限公司 | Threaded compression connecting mechanism of working medium inlet and outlet nozzle of coiled pipe heat exchanger |
-
2015
- 2015-01-29 CN CN201520064529.XU patent/CN204923463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613648A (en) * | 2015-01-29 | 2015-05-13 | 广东百思特管业科技有限公司 | Threaded compression connecting mechanism of working medium inlet and outlet nozzle of coiled pipe heat exchanger |
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