CN203500734U - Pipeline connection structure and four-way valve - Google Patents
Pipeline connection structure and four-way valve Download PDFInfo
- Publication number
- CN203500734U CN203500734U CN201320631621.0U CN201320631621U CN203500734U CN 203500734 U CN203500734 U CN 203500734U CN 201320631621 U CN201320631621 U CN 201320631621U CN 203500734 U CN203500734 U CN 203500734U
- Authority
- CN
- China
- Prior art keywords
- pipe
- jointing construction
- pipeline jointing
- diameter section
- honeycomb duct
- 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
- 238000010276 construction Methods 0.000 claims description 37
- 239000013464 silicone adhesive Substances 0.000 claims description 12
- 239000011253 protective coating Substances 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 238000005336 cracking Methods 0.000 abstract 1
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Images
Landscapes
- Valve Housings (AREA)
Abstract
The utility model provides a pipeline connection structure and cross valve, including first pipe and the second pipe of being connected with the side of the pipe wall of first pipe, wherein, the diameter of first pipe is greater than the diameter of second pipe, and the second pipe is including being responsible for the section and being located the hole enlargement section of the one end of being responsible for the section, the hole enlargement section and the first pipe welded connection of second pipe. According to the utility model, the pipeline connecting structure can relieve the problems of falling and cracking between the pipes caused by the thin pipelines; the four-way valve can avoid the problem that the four-way valve cannot work normally due to gas leakage between the guide pipe and the communicating pipe.
Description
Technical field
The utility model relates to pipeline connection area, more specifically, relates to a kind of pipeline jointing construction and four-way valve.
Background technique
Fig. 1 shows the structural representation of four-way valve of the idle call of prior art.As shown in Figure 1, the four-way valve of prior art comprises having control valve 10, the pilot valve 20 of connecting tube and the honeycomb duct 30 that connects pilot valve 20 and control valve 10, wherein, comprise the first connecting tube 101, the second connecting tube 102, third connecting pipe (not shown in figure 1) and the 4th connecting tube the connecting tube of control valve 10; Honeycomb duct 30 comprises the first honeycomb duct 301, the second honeycomb duct 302, the 3rd honeycomb duct 303 and the 4th honeycomb duct (not shown in figure 1), pilot valve 20 is connected with the first connecting tube 101 by the first honeycomb duct 301, and pilot valve 20 is connected with the second connecting tube 102 by the second honeycomb duct 302.
Fig. 2 is the broken section structural representation that the honeycomb duct of the four-way valve of prior art was connected with connecting tube.As shown in Figure 2, the first honeycomb duct 301 of the four-way valve of prior art was connected by Type of Welding with the first connecting tube 101, and because the diameter of the first honeycomb duct 301 is less, the first honeycomb duct 301 and the weld bond overlay area of the first connecting tube 101 are less; On the other hand, the first connecting tube 101 had the attachment hole being opened on its tube wall, and it is concordant with the internal face of the tube wall of the first connecting tube 101 that the first honeycomb duct 301 stretches into attachment hole end face interior and this first honeycomb duct 301.The first connecting tube 101 of above-mentioned four-way valve is stable not, reliable with being connected of the first honeycomb duct 301, in actual use very easily because air conditioner system Fatigue Vibration comes off, ftractures; Four-way valve may touch various harsh climate environment in Environmental Conditions simultaneously, as have a humid climate, be corrosive gas, liquid etc., easily the weld between the first connecting tube 101 and the first honeycomb duct 301 is formed to various catalyzed corrosion effects, finally cause the coolant leakage of four-way valve, cause air conditioner system normally to work.
Model utility content
The utility model object is to provide a kind of pipeline jointing construction, and wherein pipeline jointing construction can be alleviated the problem that comes off, ftractures between the tube and tube causing because pipeline is meticulous; Four-way valve can be avoided the problem that cannot normally work because of the four-way valve that honeycomb duct and the gas leakage between connecting tube cause.
According to an aspect of the present utility model, a kind of four-way valve is provided, comprise the second pipe that the side of the first pipe and tube wall with the first pipe is connected, wherein, the diameter of the first pipe is greater than the diameter of the second pipe, the second pipe comprises main leg and the extension diameter section that is positioned at one end of main leg, and the extension diameter section of the second pipe and the first pipe are welded to connect.
Further, the first pipe has the attachment hole being opened on its tube wall, and the extension diameter section of the second pipe stretches in attachment hole.
Further, the end face of the extension diameter section of the second pipe is positioned at the internal face inner side of the tube wall of the first pipe.
Further, the weld bond between the first pipe and the second pipe is outside equipped with protective coating.
Further, protective coating is made by silicone adhesive.
Further, silicone adhesive is dealcoholized type silicone adhesive.
Further, the part in the outer wall outside of the tube wall that is positioned at the first pipe of the weld bond covering extension diameter section of the first pipe and the second pipe and extension diameter section and main leg's transition joint.
Further, part, extension diameter section and the main leg's in the outer wall outside of the tube wall that is positioned at the first pipe of the weld bond covering extension diameter section of the first pipe and the second pipe transition joint and main leg's a part.
According to another aspect of the present invention, a kind of four-way valve is provided, comprise pilot valve and the control valve with connecting tube, pilot valve is connected by aforesaid pipeline jointing construction with control valve, the first pipe in this pipeline jointing construction as the second pipe in connecting tube, this pipeline jointing construction as honeycomb duct to connect pilot valve and control valve.
According to pipeline jointing construction of the present utility model and four-way valve, pipeline jointing construction comprises the second pipe that the side of the first pipe and tube wall with the first pipe is connected, wherein, the diameter of the first pipe is greater than the diameter of the second pipe, the second pipe comprises main leg and is positioned at the extension diameter section of one end of main leg, the extension diameter section of the second pipe and the first pipe are welded to connect, and because weld bond overlay area increases relatively, this pipeline jointing construction can be alleviated the problem that comes off, ftractures between the tube and tube causing because pipeline is meticulous; When this pipeline jointing construction is applied to four-way valve, more stable, reliable because of the connection of this pipeline jointing construction, the problem that the four-way valve that can avoid causing because of gas leakage cannot normally be worked.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the four-way valve of prior art;
Fig. 2 is the broken section structural representation that the honeycomb duct of the four-way valve of Fig. 1 was connected with connecting tube;
Fig. 3 is according to the structural representation of the utility model embodiment's four-way valve;
Fig. 4 is the broken section structural representation that the honeycomb duct of the four-way valve of Fig. 3 was connected with connecting tube.
Embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
The utility model embodiment's pipeline jointing construction comprises the second pipe that the side of the first pipe and tube wall with the first pipe is connected.Wherein, the diameter of the first pipe is greater than the diameter of the second pipe, and the second pipe comprises main leg and the extension diameter section that is positioned at one end of main leg, and the extension diameter section of the second pipe and the first pipe are welded to connect.
In the present embodiment, the first pipe has the attachment hole being opened on its tube wall, and the extension diameter section of the second pipe stretches in attachment hole.Preferably, the end face of the extension diameter section of the second pipe is positioned at the internal face inner side of the tube wall of the first pipe.
By above-mentioned setting, can increase the bonding area between the first pipe and the second pipe, thereby avoid the long-term problem of using rear the second pipe easily to come off, ftracture, make the connection between the first pipe and the second pipe more stable, reliable.
In the present embodiment, the weld bond between the first pipe and the second pipe is outside equipped with protective coating.Preferably, protective coating is made by silicone adhesive.Preferably, silicone adhesive is dealcoholized type silicone adhesive.Weld bond at above-mentioned the first pipe and the second pipe applies dealcoholized type silicone adhesive outward, can form at the outer surface of weld bond the protective coating of layer of transparent, because dealcoholized type silicone adhesive can solidify under normal temperature or low temperature, strong adhesion, so this setting makes pipeline jointing construction have the performances such as dustproof, anti-sulfur dioxide corrosion.
Preferably, the part in the outer wall outside of the tube wall that is positioned at the first pipe of the weld bond covering extension diameter section of the first pipe and the second pipe and extension diameter section and main leg's transition joint.In the present embodiment, preferably, the first pipe and the weld bond of the second pipe cover the transition joint of part, extension diameter section and main leg outside the outer wall of the tube wall that is positioned at the first pipe of extension diameter section and main leg's a part.
In above-mentioned setting, because weld bond overlay area increases relatively, this pipeline jointing construction can be alleviated the problem that comes off, ftractures between the tube and tube causing because pipeline is meticulous; Make the first pipe more stable and reliable with being connected of the second pipe, the second pipe is difficult for coming off from the first pipe.
As shown in Figure 3, embodiments of the invention also provide a kind of four-way valve, and this four-way valve comprises pilot valve 11, has the control valve 12 and the honeycomb duct 13 that is connected pilot valve 11 and control valve 12 of connecting tube.Wherein, pilot valve is connected by aforesaid pipeline jointing construction with control valve, the first pipe in this pipeline jointing construction as the second pipe in connecting tube, this pipeline jointing construction as honeycomb duct to connect pilot valve and control valve.
By above-mentioned setting, on the one hand, can increase the tensile strength at honeycomb duct and the weld bond place between connecting tube, thereby improve the functional reliability of four-way valve, extend the working life of four-way valve; On the other hand, owing to being coated in as connecting tube of the first pipe and good as the dealcoholized type silicone adhesive temp. variation resistant performance of the weld bond outer surface between the honeycomb duct of the second pipe, both the high temperature of 150 ° of abilities, the low temperature of ability-50 °, therefore can adapt to the operating difference variation of air-conditioning system better again.
As shown in Figure 3, preferably, in embodiment of the present utility model, control valve 12 comprises valve casing and the connecting tube being communicated with the inner chamber of valve casing.Wherein, comprise the first connecting tube 121, the second connecting tube 122, third connecting pipe 123 and the 4th connecting tube 124 connecting tube.Honeycomb duct 13 comprises the first honeycomb duct, the second honeycomb duct 132, the 3rd honeycomb duct 133 and the 4th honeycomb duct 134.The second connecting tube 122 of control valve 12 is connected with pilot valve 11 by the second honeycomb duct 132, and the 4th connecting tube 124 of control valve 12 is connected with pilot valve 11 by the 4th honeycomb duct 134.
When above-mentioned four-way valve is applied to air-conditioning system, preferably, the first connecting tube 121 connected vaporizer, and the second connecting tube 122 was return-air port, and third connecting pipe 123 is for connecting the port of condenser, and the 4th connecting tube 124 was exhaust port.One end of the second honeycomb duct 132 is communicated with return-air port, and the other end of the second honeycomb duct 132 is communicated with pilot valve 11.One end of the 4th honeycomb duct 134 is communicated with exhaust port, and the other end of the 4th honeycomb duct 134 is communicated with pilot valve 11.The first honeycomb duct is high pressure honeycomb duct, and the 3rd honeycomb duct 133 is low pressure honeycomb duct.High pressure honeycomb duct is communicated with the inner chamber of a side of the valve casing of control valve 12, and low pressure honeycomb duct is communicated with the inner chamber of the opposite side of the valve casing of control valve 12.
Fig. 4 shows the sectional structure schematic diagram being connected with the second honeycomb duct 132 the second connecting tube 122 of the utility model embodiment's four-way valve.As shown in Figure 4, the second connecting tube 122 adopted aforesaid pipeline jointing construction to be connected with the second honeycomb duct 132, the first pipe in this pipeline jointing construction as the second connecting tube 122, the second pipe as the second honeycomb duct 132.In the present embodiment, the second connecting tube 122 was made by red copper.
In the alternate embodiment not providing at the utility model, the 4th connecting tube 124 of four-way valve also can adopt aforesaid pipeline jointing construction to be connected with the 4th honeycomb duct 134.
From above description, can find out, embodiment of the present utility model has realized following technique effect: because pipeline jointing construction comprises the second pipe that the side of the first pipe and tube wall with the first pipe is connected, wherein, the diameter of the first pipe is greater than the diameter of the second pipe, the second pipe comprises main leg and is positioned at the extension diameter section of one end of main leg, the extension diameter section of the second pipe and the first pipe are welded to connect, because weld bond overlay area increases relatively, this pipeline jointing construction can be alleviated the problem that comes off, ftractures between the tube and tube causing because pipeline is meticulous; When this pipeline jointing construction is applied to four-way valve, as the second connecting tube of the first pipe and the second honeycomb duct as the second pipe and the 4th connecting tube all adopted above-mentioned pipeline jointing construction with the 4th honeycomb duct as the second pipe as the first pipe, the problem more stable, reliable because of the connection of this pipeline jointing construction, the four-way valve that can avoid causing because of gas leakage cannot normally be worked.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a pipeline jointing construction, comprise the second pipe that the side of the first pipe and tube wall with described the first pipe is connected, wherein, the diameter of described the first pipe is greater than the diameter of described the second pipe, it is characterized in that, described the second pipe comprises main leg and the extension diameter section that is positioned at one end of described main leg, and the described extension diameter section of described the second pipe and described the first pipe are welded to connect.
2. pipeline jointing construction according to claim 1, is characterized in that, described the first pipe has the attachment hole being opened on its tube wall, and the described extension diameter section of described the second pipe stretches in described attachment hole.
3. pipeline jointing construction according to claim 2, is characterized in that, the end face of the described extension diameter section of described the second pipe is positioned at the internal face inner side of the tube wall of described the first pipe.
4. pipeline jointing construction according to claim 1, is characterized in that, the weld bond between described the first pipe and described the second pipe is outside equipped with protective coating.
5. pipeline jointing construction according to claim 4, is characterized in that, described protective coating is made by silicone adhesive.
6. pipeline jointing construction according to claim 5, is characterized in that, described silicone adhesive is dealcoholized type silicone adhesive.
7. pipeline jointing construction according to claim 1, it is characterized in that, described the first pipe and the weld bond of described the second pipe cover part outside the outer wall of tube wall of described the first pipe of being positioned at of described extension diameter section and described extension diameter section and described main leg's transition joint.
8. pipeline jointing construction according to claim 1, it is characterized in that, described the first pipe and the weld bond of described the second pipe cover the transition joint of part, described extension diameter section and described main leg outside the outer wall of tube wall of described the first pipe of being positioned at of described extension diameter section and described main leg's a part.
9. a four-way valve, comprise pilot valve (11) and there is the control valve (12) of connecting tube, it is characterized in that, described pilot valve (11) is connected by the pipeline jointing construction described in any one in claim 1 to 8 with described control valve (12), the first pipe in this pipeline jointing construction as the second pipe in described connecting tube, this pipeline jointing construction as honeycomb duct to connect described pilot valve (11) and described control valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631621.0U CN203500734U (en) | 2013-10-12 | 2013-10-12 | Pipeline connection structure and four-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631621.0U CN203500734U (en) | 2013-10-12 | 2013-10-12 | Pipeline connection structure and four-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500734U true CN203500734U (en) | 2014-03-26 |
Family
ID=50331710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320631621.0U Expired - Fee Related CN203500734U (en) | 2013-10-12 | 2013-10-12 | Pipeline connection structure and four-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203500734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565646A (en) * | 2013-10-12 | 2015-04-29 | 珠海格力电器股份有限公司 | pipeline connection structure and four-way valve |
-
2013
- 2013-10-12 CN CN201320631621.0U patent/CN203500734U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565646A (en) * | 2013-10-12 | 2015-04-29 | 珠海格力电器股份有限公司 | pipeline connection structure and four-way valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201628315U (en) | Air-conditioner outdoor unit | |
| CN203500734U (en) | Pipeline connection structure and four-way valve | |
| CN201340149Y (en) | Air conditioner connecting pipe assembly | |
| CN104565646A (en) | pipeline connection structure and four-way valve | |
| CN203880259U (en) | Air conditioning hose used for vehicle | |
| CN202733238U (en) | Pipeline connection structure | |
| CN201083298Y (en) | Composite weaving hose | |
| CN202691367U (en) | Flange structure of main silencer air inlet pipe | |
| CN203770865U (en) | Metal composite foamed air ducts and connection structure thereof | |
| CN2890557Y (en) | Quick pipe joint for air conditioner | |
| CN201218380Y (en) | Fastener type connection elbow | |
| CN203614466U (en) | Centrifugal unit and hot gas bypass noise reduction structure thereof | |
| CN202791130U (en) | Pressure-reduction noise-reduction exhaust duct | |
| CN201302338Y (en) | Pressing type connector used for connecting large automobile air-conditioning pipes | |
| CN205896515U (en) | Three -way joint | |
| CN206191123U (en) | Anti negative pressure flexible rubber joint | |
| CN209245526U (en) | A kind of frequency-changeable compressor pipeline jointing construction | |
| CN204956006U (en) | Air condition compressor inhales, attach fitting of gas vent and pipeline | |
| CN204267193U (en) | A kind of engine aspirating system linkage structure | |
| CN208503684U (en) | A kind of oil-resistant high temperature-resistanrubber rubber pipe | |
| CN2895951Y (en) | Pipe adopter | |
| CN203258221U (en) | Novel turbo-charging composite pipe | |
| CN213776766U (en) | Petroleum pipeline joint with long service life | |
| CN201359125Y (en) | Self-supporting type pressure reducing valve | |
| CN206386596U (en) | One kind carries metal reinforcing ring bending rubber joint |
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: 20140326 Termination date: 20211012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |