CN214250707U - Thin and high tooth internal thread copper pipe structure - Google Patents
Thin and high tooth internal thread copper pipe structure Download PDFInfo
- Publication number
- CN214250707U CN214250707U CN202120217630.XU CN202120217630U CN214250707U CN 214250707 U CN214250707 U CN 214250707U CN 202120217630 U CN202120217630 U CN 202120217630U CN 214250707 U CN214250707 U CN 214250707U
- Authority
- CN
- China
- Prior art keywords
- internal thread
- copper pipe
- internal
- thin
- tooth
- 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.)
- Expired - Fee Related
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 69
- 239000010949 copper Substances 0.000 title claims abstract description 69
- 239000000463 material Substances 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 description 6
- 230000007704 transition Effects 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Images
Landscapes
- Metal Extraction Processes (AREA)
Abstract
The utility model relates to a copper pipe technical field, it discloses thread copper pipe structure in thin and high tooth has solved the technical problem that does not have the application of 5mm thin and high tooth internal thread copper pipe yet, including the internal thread copper pipe, the internal surface equipartition of internal thread copper pipe has the internal thread, the external diameter 5mm of internal thread copper pipe, the cross section symmetry of internal thread self, the internal thread is the curved surface that the circular arc passes through from the addendum to the tooth root, and the lead angle is beta 16 ~ 20, tooth height HfThe internal thread is 0.10-0.14mm, the TWT is 0.25-0.65 mm, the TW is 0.20-0.40 mm, the crest angle alpha of the internal thread is 20-30 degrees, and the number n of racks in the pipe of the internal thread is 35. According to the technical proposal, the utility model discloses in utilizingThe outer diameter of the threaded copper pipe is 5mm, and the tooth form is a thin and high tooth form. Because the thin-diameter internal thread copper pipe has higher bearing capacity, the requirement of thinner wall thickness can be met while the same heat transfer performance is met, which means that the copper pipe has smaller mass per unit length and can save copper materials.
Description
Technical Field
The utility model relates to a copper pipe technical field, more specifically say, it relates to a screw thread copper pipe structure in thin high tooth.
Background
Refrigeration equipment is needed in the refrigeration cold chain market, energy exchange media in the refrigeration equipment generally circulate in copper pipes, and the structural design of the copper pipes indirectly influences the working performance of the refrigeration equipment. The copper pipe is used for conveying and working the energy exchange medium.
With the national requirements of energy conservation and environmental protection, energy conservation and high efficiency become the development direction of the refrigeration field. The common internal thread copper pipe can not meet the requirement, and compared with the common internal thread copper pipe, the small-diameter internal thread copper pipe is more suitable for the development requirements of miniaturization, light weight and new refrigerant replacement of the air conditioner. With the national requirements of energy conservation and environmental protection, energy conservation and high efficiency become the development direction of the refrigeration field. For various reasons, no 5mm thin and high tooth internal thread copper pipe is applied to the aspect at present.
SUMMERY OF THE UTILITY MODEL
To the technical problem that does not have the application of the thin and high tooth internal thread copper pipe of 5mm at present who provides in the background art, the utility model discloses the external diameter that utilizes the internal thread copper pipe is 5mm, and the profile of tooth is thin and high profile of tooth. Because the thin-diameter internal thread copper pipe has higher bearing capacity, the requirement of thinner wall thickness can be met while the same heat transfer performance is met, which means that the copper pipe has smaller mass per unit length and can save copper materials.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a thin and high tooth internal thread copper pipe structure, includes internal thread copper pipe, the internal surface equipartition of internal thread copper pipe has the internal thread, the external diameter 5mm of internal thread copper pipe, the cross section symmetry of internal thread self, the internal thread is the curved surface that the circular arc passes through from the addendum to the dedendum, internal thread lead angle is beta 16 ~ 20, internal thread tooth height HfThe internal thread is 0.10-0.14mm, the TWT of the internal thread is 0.25-0.65 mm, the bottom wall TW of the internal thread is 0.20-0.40 mm, the crest angle alpha of the internal thread is 20-30 degrees, and the number n of racks in the pipe of the internal thread is 35.
Through above-mentioned technical scheme, the external diameter of internal thread copper pipe is 5mm, and the profile of tooth is thin and high profile of tooth. Because the thin-diameter internal thread copper pipe has higher bearing capacity, the requirement of thinner wall thickness can be met while the same heat transfer performance is met, which means that the copper pipe has smaller mass per unit length and can save copper materials.
The size of a spinning forming die with S phi 5 multiplied by 0.23 multiplied by 0.12 is calculated by adopting a reverse pushing method, computer finite element software is adopted to simulate and form the tooth rule and the reason for forming the tooth shape defect, and a thin and high tooth internal thread copper pipe is drawn by a spinning means.
The utility model discloses further set up to: the lead angle of the internal thread is beta-16 degrees, and the tooth height H of the internal threadfIs 0.10 mm.
The utility model discloses further set up to: the lead angle of the internal thread is beta-17 degrees, and the tooth height H of the internal threadfIs 0.11 mm.
The utility model discloses further set up to: the lead angle of the internal thread is beta-18 degrees, and the tooth height H of the internal threadfIs 0.12 mm.
The utility model discloses further set up to: the thread of the internal thread is raisedThe angle is beta-19 degrees, and the tooth height H of the internal threadfIs 0.13 mm.
The utility model discloses further set up to: the lead angle of the internal thread is beta-20 degrees, and the tooth height H of the internal threadfIs 0.14 mm.
To sum up, the utility model discloses following beneficial effect has:
(1) the requirement of thinner wall thickness can be met while the same heat transfer performance is met, which means that the mass per unit length is smaller, and copper materials can be saved;
(2) the copper pipe improves the heat exchange effect, can greatly reduce the volume of the heat exchanger, and reduces the copper consumption.
Drawings
Fig. 1 is a schematic diagram of the cross-sectional structure of an internally threaded copper tube.
Reference numerals: 1. an internal threaded copper tube; 11. an internal thread.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
Example 1
The utility model provides a thin high tooth internal thread copper pipe structure, as shown in figure 1, including internal thread copper pipe 1, internal thread copper pipe 1's internal surface equipartition has internal thread 11, internal thread copper pipe 1's external diameter 5mm, and the cross section symmetry of internal thread 11 self, internal thread 11 are the curved surface of circular arc transition from the addendum to the dedendum, and the lead angle of internal thread 11 is 16 for beta, and the tooth height H of internal thread 11 is highfThe internal thread 11 has a TWT of 0.10mm, a bottom wall TW of 0.20-0.40 mm, a crest angle alpha of 20-30 degrees and a number of internal racks n of 35 in the pipe of the internal thread 11, wherein the TWT of the internal thread 11 is 0.25-0.65 mm.
Example 2
The utility model provides a thin high tooth internal thread copper pipe structure, as shown in figure 1, including internal thread copper pipe 1, internal thread copper pipe 1's internal surface equipartition has internal thread 11, internal thread copper pipe 1's external diameter 5mm, and the cross section symmetry of internal thread 11 self, internal thread 11 are the curved surface of circular arc transition from the addendum to the dedendum, and the lead angle of internal thread 11 is beta 17, and the tooth height of internal thread 11 is 17HfThe internal thread 11 has a TWT of 0.11mm, a bottom wall TW of 0.20-0.40 mm, a crest angle alpha of 20-30 degrees and a number of internal racks n of 35 in the pipe of the internal thread 11, wherein the TWT of the internal thread 11 is 0.25-0.65 mm.
Example 3
The utility model provides a thin high tooth internal thread copper pipe structure, as shown in figure 1, including internal thread copper pipe 1, internal thread copper pipe 1's internal surface equipartition has internal thread 11, internal thread copper pipe 1's external diameter 5mm, and the cross section symmetry of internal thread 11 self, internal thread 11 are the curved surface of circular arc transition from the addendum to the dedendum, and the lead angle of internal thread 11 is beta 18, and the tooth height H of internal thread 11 is highfThe internal thread 11 has a TWT of 0.12mm, a bottom wall TW of 0.20-0.40 mm, a crest angle alpha of 20-30 degrees and a number of internal racks n of 35 in the pipe of the internal thread 11, wherein the TWT of the internal thread 11 is 0.25-0.65 mm.
Example 4
The utility model provides a thin high tooth internal thread copper pipe structure, as shown in figure 1, including internal thread copper pipe 1, internal thread copper pipe 1's internal surface equipartition has internal thread 11, internal thread copper pipe 1's external diameter 5mm, and the cross section symmetry of internal thread 11 self, internal thread 11 are the curved surface of circular arc transition from the addendum to the dedendum, and the lead angle of internal thread 11 is 19 for beta, and the tooth height H of internal thread 11 is highfThe internal thread 11 has a TWT of 0.13mm, a bottom wall TW of 0.20-0.40 mm, a crest angle alpha of 20-30 degrees and a number of internal racks n of 35 in the pipe of the internal thread 11, wherein the TWT of the internal thread 11 is 0.25-0.65 mm.
Example 5
The utility model provides a thin high tooth internal thread copper pipe structure, as shown in figure 1, including internal thread copper pipe 1, internal thread copper pipe 1's internal surface equipartition has internal thread 11, internal thread copper pipe 1's external diameter 5mm, and the cross section symmetry of internal thread 11 self, internal thread 11 are the curved surface of circular arc transition from the addendum to the dedendum, and the lead angle of internal thread 11 is beta 20, and the tooth height H of internal thread 11 is highfThe internal thread 11 has a TWT of 0.14mm, a bottom wall TW of 0.20-0.40 mm, a crest angle alpha of 20-30 degrees and a number of internal racks n of 35 in the pipe of the internal thread 11, wherein the TWT of the internal thread 11 is 0.25-0.65 mm.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various 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 (6)
1. The utility model provides a thin and high tooth internal thread copper pipe structure, its characterized in that, includes internal thread copper pipe (1), the internal surface equipartition of internal thread copper pipe (1) has internal thread (11), the external diameter 5mm of internal thread copper pipe (1), the cross section symmetry of internal thread (11) self, internal thread (11) are the curved surface that the circular arc transited from the addendum to the dedendum, the lead angle of internal thread (11) is 16 ~ 20 for beta, the tooth height H of internal thread (11) is highfThe internal thread (11) has a TWT of 0.25-0.65 mm, a bottom wall TW of 0.20-0.40 mm, a tip angle alpha of 20-30 DEG, and a number of racks n in the pipe of 35 in the internal thread (11).
2. The slim and tall internal threaded copper pipe structure of claim 1, wherein: the lead angle of the internal thread (11) is beta-16 DEG, and the tooth height H of the internal thread (11)fIs 0.10 mm.
3. The slim and tall internal threaded copper pipe structure of claim 1, wherein: the lead angle of the internal thread (11) is beta-17 DEG, and the tooth height H of the internal thread (11)fIs 0.11 mm.
4. The slim and tall internal threaded copper pipe structure of claim 1, wherein: the lead angle of the internal thread (11) is beta-18 DEG, and the tooth height H of the internal thread (11)fIs 0.12 mm.
5. The slim and tall internal threaded copper pipe structure of claim 1, wherein: the screw of the internal thread (11)The lead angle is beta-19 degrees, and the tooth height H of the internal thread (11)fIs 0.13 mm.
6. The slim and tall internal threaded copper pipe structure of claim 1, wherein: the lead angle of the internal thread (11) is beta-20 DEG, and the tooth height H of the internal thread (11)fIs 0.14 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120217630.XU CN214250707U (en) | 2021-01-26 | 2021-01-26 | Thin and high tooth internal thread copper pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120217630.XU CN214250707U (en) | 2021-01-26 | 2021-01-26 | Thin and high tooth internal thread copper pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214250707U true CN214250707U (en) | 2021-09-21 |
Family
ID=77794708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120217630.XU Expired - Fee Related CN214250707U (en) | 2021-01-26 | 2021-01-26 | Thin and high tooth internal thread copper pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214250707U (en) |
-
2021
- 2021-01-26 CN CN202120217630.XU patent/CN214250707U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202993942U (en) | Heat transfer tube with external three-dimensional fins | |
| CN101655321A (en) | High-pressure aluminum plate-fin heat exchanger | |
| CN201892468U (en) | Internal thread copper pipe | |
| CN107990778A (en) | Efficient inner screw thread copper pipe | |
| CN214250707U (en) | Thin and high tooth internal thread copper pipe structure | |
| CN201706940U (en) | Internal screw tube and heat exchanger and air-conditioner adopting same | |
| CN1920465A (en) | Heat pipe with built-in sintering core and its manufacture | |
| CN206847460U (en) | A kind of heat exchange flat tube | |
| CN201277832Y (en) | Asymmetrical fins for reinforced heat transferring | |
| CN214250708U (en) | Efficient high-density-tooth internal-threaded copper pipe structure | |
| CN201715914U (en) | Small-diameter internal-thread pipe fitting | |
| CN210242529U (en) | High-pressure-resistant efficient heat transfer pipe with small diameter | |
| CN2548109Y (en) | Cross-teeth thread-inside seamless efficient heat-conductive tube | |
| CN112964113A (en) | Combined-tooth heat exchange copper pipe | |
| CN214757504U (en) | 5G cell-phone heat dissipation heat pipe oxygen-free copper pipe structure | |
| CN2831021Y (en) | Internal screw heat transfer tube | |
| CN211261914U (en) | Internal thread heat exchange tube | |
| CN200941026Y (en) | Spiral recess flat tubes | |
| CN214250709U (en) | Internal thread copper pipe structure | |
| CN2632449Y (en) | Internal thread super-thin copper pipes | |
| CN2879094Y (en) | Energy-saving heat transferring tube | |
| CN2467999Y (en) | Tubing | |
| CN2660465Y (en) | Heat exchanger using gas or hiquid as working medium | |
| CN2638013Y (en) | Main and auxiliary tooth cross thin teeth type seamless inner thread copper tube | |
| CN214747443U (en) | Cross-tooth internal thread seamless high-efficiency heat transfer pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |