CN204226888U - For the pipeline connection part of air conditioner - Google Patents
For the pipeline connection part of air conditioner Download PDFInfo
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- CN204226888U CN204226888U CN201420637910.6U CN201420637910U CN204226888U CN 204226888 U CN204226888 U CN 204226888U CN 201420637910 U CN201420637910 U CN 201420637910U CN 204226888 U CN204226888 U CN 204226888U
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- copper lining
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- steel pipe
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Abstract
The utility model discloses a kind of pipeline connection part for air conditioner, comprising: stainless steel pipe; Copper lining, described copper lining at least partially in be enclosed within described stainless steel pipe, the outer surface of described copper lining is welded on the internal surface of described stainless steel pipe; Copper pipe pipe fitting, is enclosed within described copper pipe pipe fitting in described copper lining, and the outer surface of described copper pipe pipe fitting is welded on the internal surface of described copper lining.According to the pipeline connection part for air conditioner of the present utility model, reduce technology difficulty, facilitate manufacturing operation, improve manufacturing efficiency.
Description
Technical field
The utility model relates to field of household appliances, particularly a kind of pipeline connection part for air conditioner.
Background technique
Pipeline connection part is the important component part of air-conditioning refrigeration system, and air conditioner carries out connection by cooling piece and forms refrigerant circulation passage, and it has the effects such as vibration and noise reducing.During existing pipeline connection part welding, the material between pipeline is different, and the more difficult grasp of welding procedure, has larger impact to manufacturing efficiency, coupling reliability.
Model utility content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the purpose of this utility model is to propose a kind of pipeline connection part for air conditioner, and this pipeline connection part reduces technology difficulty, improves manufacturing efficiency.
According to the pipeline connection part for air conditioner of the present utility model, comprising: stainless steel pipe; Copper lining, described copper lining at least partially in be enclosed within described stainless steel pipe, the outer surface of described copper lining is welded on the internal surface of described stainless steel pipe; Copper pipe pipe fitting, is enclosed within described copper pipe pipe fitting in described copper lining, and the outer surface of described copper pipe pipe fitting is welded on the internal surface of described copper lining.
According to the pipeline connection part for air conditioner of the present utility model, by arranging copper lining between stainless steel pipe and copper pipe pipe fitting, the welding of stainless steel pipe and copper pipe pipe fitting can be carried out between identical copper material, reduce technology difficulty, facilitate manufacturing operation, improve manufacturing efficiency.
In addition, following additional technical characteristics can also be had according to the pipeline connection part for air conditioner of the present utility model:
According to an embodiment of the present utility model, a part for the contiguous mouth of pipe of the inwall of described stainless steel pipe is outwards recessed with the assembling wall limiting annular, the joint of the remaining part of the inwall of described assembling wall and described stainless steel pipe limits stop surface, the outer surface of described copper lining is welded on described assembling wall, and the end face of described copper lining is only against on described stop surface.Thus, stop surface defines in copper lining the length be enclosed within stainless steel pipe, along the length direction of stainless steel pipe serving the effect of locating copper lining.
According to an embodiment of the present utility model, the end face weld of described copper lining is connected on described stop surface.Thus, make the connection of copper lining and stainless steel pipe more firm, increase the join strength of copper lining and stainless steel pipe.
According to an embodiment of the present utility model, described copper lining comprises main body portion and the first stop member, described first stop member extends radially outward from the periphery wall of one end of described main body portion, and described first stop member is only against on the end face of described stainless steel pipe.Thus, the first stop member serves positioning action, further defines in copper lining the length be enclosed within stainless steel pipe.
According to an embodiment of the present utility model, described copper lining also comprises the second stop member, and described second stop member radially extends internally from the internal surface of the other end of described main body portion, and the end face of described copper pipe pipe fitting is only against on described second stop member.Thus, the second stop member serves the effect of location, defines in copper pipe pipe fitting the length be enclosed within copper lining.
According to an embodiment of the present utility model, described first stop member is welded on the end face of described stainless steel pipe.Thus, improve the stability that copper lining is connected with stainless steel pipe, and then ensure that the safety and stability of pipeline connection part work.
According to an embodiment of the present utility model, the periphery wall being positioned at the part of described stainless steel pipe of described copper lining is provided with groove.
According to an embodiment of the present utility model, described groove is multiple, and described multiple groove is along the circumferential uniform intervals distribution of described copper lining.Thus, the effective location of copper lining can be realized, and make the weld seam high conformity between copper lining and stainless steel pipe, ensure that solder effectively permeates the conformity with welding effect.
According to an embodiment of the present utility model, described groove extends on the end face of described copper lining on the axial direction of described copper lining.Thus, ensure that solder effectively permeates the conformity with welding effect.
According to an embodiment of the present utility model, described copper lining and described stainless steel pipe transition fit, described copper lining and described copper pipe pipe fitting transition fit.Thus, before welding copper lining and copper pipe pipe fitting are fixed, improve the stability of welding.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the pipeline connection part according to the utility model embodiment;
Fig. 2 is the schematic diagram of the stainless steel pipe according to the utility model embodiment;
Fig. 3 is the erection drawing of stainless steel pipe according to the utility model embodiment and copper lining;
Fig. 4 is the erection drawing of stainless steel pipe according to another embodiment of the utility model and copper lining;
Fig. 5 is the plan view of the copper lining according to the utility model embodiment;
Fig. 6 is the side view of the copper lining according to the utility model embodiment;
Fig. 7 is the plan view of the copper lining according to another embodiment of the utility model;
Fig. 8 is the side view of the copper lining according to another embodiment of the utility model;
Fig. 9 is the schematic diagram of the position of weld-ring according to the utility model embodiment.
Reference character: pipeline connection part 100, stainless steel pipe 1, copper lining 2, copper pipe pipe fitting 3, main body portion 21, the first stop member 22, second stop member 23, assembling wall 101, stop surface 102, the internal face 103 of stainless steel pipe 1, groove 201, weld-ring 210.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
1 to Fig. 9 is described in detail the pipeline connection part 100 according to the utility model embodiment with reference to the accompanying drawings, and this pipeline connection part 100 may be used for air conditioner but is not limited thereto.
According to the pipeline connection part 100 for air conditioner of the present utility model, can comprise: stainless steel pipe 1, copper lining 2 and copper pipe pipe fitting 3.
Wherein, as shown in Figure 1, copper lining 2 at least partially in be enclosed within stainless steel pipe 1, the outer surface of copper lining 2 is welded on the internal surface of stainless steel pipe 1.
Particularly, the outer surface of copper lining 2 and the internal surface of stainless steel pipe 1 can adopt air protection one to weld, and alternatively, solder adopts phosphor bronze solder, and the temperature of welding is about 1030 DEG C ~ 1045 DEG C.
In other words, copper lining 2 can be enclosed within stainless steel pipe 1 in a part, certainly, also can all in be enclosed within stainless steel pipe 1.
With reference to shown in Fig. 1, be enclosed within copper lining 2 in copper pipe pipe fitting 3, the outer surface of copper pipe pipe fitting 3 is welded on the internal surface of copper lining 2.The length be enclosed within copper pipe pipe fitting 3 in copper lining 2 can be determined according to the actual requirements.
Particularly, the outer surface of copper pipe pipe fitting 3 and the internal surface of copper lining 2 can adopt gas brazing, and welding temperature can at about 740 DEG C.
According to the pipeline connection part 100 of the utility model embodiment, by arranging copper lining 2 between stainless steel pipe 1 and copper pipe pipe fitting 3, the welding of stainless steel pipe 1 and copper pipe pipe fitting 3 can be carried out between identical copper material, reduce technology difficulty, facilitate manufacturing operation, improve manufacturing efficiency.
In embodiments more of the present utility model, as shown in Figure 2, a part for the contiguous mouth of pipe of the inwall of stainless steel pipe 1 is outwards recessed with the assembling wall 101 limiting annular, and assembling wall 101 limits stop surface 102 with the joint of the remaining part of the inwall of stainless steel pipe 1.
That is, the inwall of stainless steel pipe 1 is not what seamlessly transit, the inside of stainless steel pipe 1 is formed with circular ledge structure, the ledge structure of this circle is limited jointly by the internal face of stop surface 102, assembling wall 101 and stainless steel pipe 1, assembling wall 101 is connected with the outer of stop surface 102, and the internal face 103 of stainless steel pipe 1 is connected with the inner edge of stop surface 102.
As shown in Figure 1, Figure 3 and Figure 4, the outer surface of copper lining 2 is welded on assembling wall 101, and the end face of copper lining 2 is only against on stop surface 102.Thus, stop surface 102 defines in copper lining 2 length be enclosed within stainless steel pipe 1, and the length direction along stainless steel pipe 1 serves the effect of locating copper lining 2.Designer can as required, design the distance of stop surface 102 to the end face of stainless steel pipe 1, to limit in copper lining 2 length be enclosed within stainless steel pipe 1.
Preferably, as shown in Figure 1, the end face weld of copper lining 2 is connected on stop surface 102.Thus, make the connection of copper lining 2 and stainless steel pipe 1 more firm, increase the join strength of copper lining 2 and stainless steel pipe 1.
In specific embodiments more of the present utility model, as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 7, copper lining 2 comprises main body portion 21 and the first stop member 22, first stop member 22 extends radially outward from the periphery wall of one end of main body portion 21, and the first stop member 22 is only against on the end face of stainless steel pipe 1.
As shown in figure 5 and figure 7, first stop member 22 is located on the periphery wall of the right-hand member of main body portion 21, the left side of the first stop member 22 is only against on the end face of stainless steel pipe 1, and then first stop member 22 serve positioning action, further define in copper lining 2 length be enclosed within stainless steel pipe 1.
Preferably, as Fig. 5 and shown in composition graphs 1 and Fig. 4, copper lining 2 can also comprise the second stop member 23, second stop member 23 and radially extend internally from the internal surface of the other end of main body portion 21, and the end face of copper pipe pipe fitting 3 is only against on the second stop member 23.
As shown in Figure 5, the second stop member 23 radially extends internally from the internal surface of the left end of main body portion 21, and the end face of copper pipe pipe fitting 3 can only be against on the right side of the second stop member 23.Thus, the second stop member 23 serves the effect of location, defines in copper pipe pipe fitting 3 length be enclosed within copper lining 2.
Further, the first stop member 22 is welded on the end face of stainless steel pipe 1.Thus, improve the stability that copper lining 2 is connected with stainless steel pipe 1, and then ensure that the safety and stability that pipeline connection part 100 works.
Particularly, as shown in Figure 9, weld-ring 210 can be set between the end face of copper lining 2 and stop surface 102, between the left side of the first stop member 22 of copper lining 2 and the end face of stainless steel pipe 1, then by 1030 DEG C ~ 1045 DEG C High Temperature Furnacess welderings, copper lining 2 be welded together with stainless steel pipe 1.
In embodiments more of the present utility model, as shown in Fig. 5 to Fig. 8, the periphery wall being positioned at the part of stainless steel pipe 1 of copper lining 2 is provided with groove 201.Groove 201 is multiple, and multiple groove 201 is along the axial uniform intervals distribution of copper lining 2.Thus, the effective location of copper lining 2 can be realized, and make the weld seam high conformity between copper lining 2 and stainless steel pipe 1, ensure that solder effectively permeates the conformity with welding effect.
Further, as shown in Fig. 5 to Fig. 8, groove 201 extends on the end face of copper lining 2 on the axial direction of copper lining 2.In example as shown in figure 5 and figure 7, groove 201 can be formed in the left end of copper lining 2 and axially extending on the left side of the first stop member 22 of right-hand member along copper lining 2.Thus, ensure that solder effectively permeates the conformity with welding effect.
In embodiments more of the present utility model, copper lining 2 and stainless steel pipe 1 transition fit, copper lining 2 and copper pipe pipe fitting 3 transition fit.Thus, before welding copper lining 2 is fixed with copper pipe pipe fitting 3, improve the stability of welding.
Pipeline connection part 100 in the utility model specific embodiment is briefly described with reference to the accompanying drawings.
This pipeline connection part 100 can comprise: stainless steel pipe 1, copper lining 2, copper pipe pipe fitting 3, linked together by solder between stainless steel pipe 1 and copper lining 2, is linked together between copper pipe pipe fitting 3 and copper lining 2 by solder.
First stainless steel pipe 1 and copper lining 2 are welded together, realized the axially locating of copper lining 2 by stop surface 102 and the first stop member 22, realized the radial location of copper lining 2 by the groove 201 on copper lining 2.
After stainless steel pipe 1 has welded with copper lining 2, welded by gas brazing with copper lining 2 by copper pipe pipe fitting 3, be welded between identical copper material herein and carry out, welding temperature is at about 740 DEG C again, facilitate manufacturing operation, improve the reliability of welding junction.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (10)
1., for a pipeline connection part for air conditioner, it is characterized in that, comprising:
Stainless steel pipe;
Copper lining, described copper lining at least partially in be enclosed within described stainless steel pipe, the outer surface of described copper lining is welded on the internal surface of described stainless steel pipe;
Copper pipe pipe fitting, is enclosed within described copper pipe pipe fitting in described copper lining, and the outer surface of described copper pipe pipe fitting is welded on the internal surface of described copper lining.
2. the pipeline connection part for air conditioner according to claim 1, it is characterized in that, a part for the contiguous mouth of pipe of the inwall of described stainless steel pipe is outwards recessed with the assembling wall limiting annular, the joint of the remaining part of the inwall of described assembling wall and described stainless steel pipe limits stop surface, the outer surface of described copper lining is welded on described assembling wall, and the end face of described copper lining is only against on described stop surface.
3. the pipeline connection part for air conditioner according to claim 2, is characterized in that, the end face weld of described copper lining is connected on described stop surface.
4. the pipeline connection part for air conditioner according to claim 1 and 2, it is characterized in that, described copper lining comprises main body portion and the first stop member, described first stop member extends radially outward from the periphery wall of one end of described main body portion, and described first stop member is only against on the end face of described stainless steel pipe.
5. the pipeline connection part for air conditioner according to claim 4, it is characterized in that, described copper lining also comprises the second stop member, described second stop member radially extends internally from the internal surface of the other end of described main body portion, and the end face of described copper pipe pipe fitting is only against on described second stop member.
6. the pipeline connection part for air conditioner according to claim 4, is characterized in that, described first stop member is welded on the end face of described stainless steel pipe.
7. the pipeline connection part for air conditioner according to claim 1 and 2, is characterized in that, the periphery wall being positioned at the part of described stainless steel pipe of described copper lining is provided with groove.
8. the pipeline connection part for air conditioner according to claim 7, is characterized in that, described groove is multiple, and described multiple groove is along the circumferential uniform intervals distribution of described copper lining.
9. the pipeline connection part for air conditioner according to claim 7, is characterized in that, described groove extends on the end face of described copper lining on the axial direction of described copper lining.
10. the pipeline connection part for air conditioner according to claim 1, is characterized in that, described copper lining and described stainless steel pipe transition fit, described copper lining and described copper pipe pipe fitting transition fit.
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CN201420637910.6U CN204226888U (en) | 2014-10-29 | 2014-10-29 | For the pipeline connection part of air conditioner |
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CN201420637910.6U CN204226888U (en) | 2014-10-29 | 2014-10-29 | For the pipeline connection part of air conditioner |
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CN106555910A (en) * | 2015-09-30 | 2017-04-05 | 浙江三花股份有限公司 | Pipe connecting structure and method, the pipeline assembly of air-conditioner set |
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CN108730665A (en) * | 2017-04-17 | 2018-11-02 | 新昌县四通机电有限公司 | A kind of muffler assembly |
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CN113236879A (en) * | 2021-04-21 | 2021-08-10 | 广东美的暖通设备有限公司 | Air conditioner pipe fitting, air conditioner pipeline and air conditioner |
WO2022037635A1 (en) * | 2020-08-21 | 2022-02-24 | 浙江盾安人工环境股份有限公司 | Pipe assembly connecting structure, piping assembly, four-way valve assembly and air conditioning system |
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CN106555910A (en) * | 2015-09-30 | 2017-04-05 | 浙江三花股份有限公司 | Pipe connecting structure and method, the pipeline assembly of air-conditioner set |
CN107345603A (en) * | 2016-05-06 | 2017-11-14 | 珠海华宇金属有限公司 | A kind of nozzle structure and its liquid reservoir |
CN108730665A (en) * | 2017-04-17 | 2018-11-02 | 新昌县四通机电有限公司 | A kind of muffler assembly |
CN110345319A (en) * | 2018-04-08 | 2019-10-18 | 杭州三花研究院有限公司 | A kind of pipe fitting joint structure, a kind of muffler, a kind of air-conditioning system and a kind of refrigeration system |
CN111195756A (en) * | 2018-11-19 | 2020-05-26 | 新昌县四通机电有限公司 | Welding method, manufacturing method and refrigerating system |
CN111594669A (en) * | 2019-02-21 | 2020-08-28 | 浙江三花智能控制股份有限公司 | Pipe fitting connecting structure |
CN111594637A (en) * | 2019-02-21 | 2020-08-28 | 浙江三花智能控制股份有限公司 | Four-way reversing valve |
CN111594637B (en) * | 2019-02-21 | 2023-12-05 | 浙江三花智能控制股份有限公司 | Four-way reversing valve |
WO2022037635A1 (en) * | 2020-08-21 | 2022-02-24 | 浙江盾安人工环境股份有限公司 | Pipe assembly connecting structure, piping assembly, four-way valve assembly and air conditioning system |
EP4130537A4 (en) * | 2020-12-07 | 2023-11-15 | GD Midea Heating & Ventilating Equipment Co., Ltd. | Pipeline connection structure, compressor assembly, and air conditioner |
WO2022121523A1 (en) * | 2020-12-07 | 2022-06-16 | 广东美的暖通设备有限公司 | Pipeline connection structure, compressor assembly, and air conditioner |
CN112775573A (en) * | 2021-02-02 | 2021-05-11 | 杭州祥博传热科技股份有限公司 | Brazed red copper radiator processing technology and red copper radiator |
CN113236879A (en) * | 2021-04-21 | 2021-08-10 | 广东美的暖通设备有限公司 | Air conditioner pipe fitting, air conditioner pipeline and air conditioner |
CN115283769A (en) * | 2022-08-17 | 2022-11-04 | 内蒙古第一机械集团股份有限公司 | Manufacturing method of oil tank sealing joint |
WO2024128258A1 (en) * | 2022-12-14 | 2024-06-20 | 株式会社鷺宮製作所 | Coated piping, method for forming coating, and coating member |
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