CN201723856U - Core pipe and automobile air conditioner hose assembly containing the same - Google Patents
Core pipe and automobile air conditioner hose assembly containing the same Download PDFInfo
- Publication number
- CN201723856U CN201723856U CN2010202294543U CN201020229454U CN201723856U CN 201723856 U CN201723856 U CN 201723856U CN 2010202294543 U CN2010202294543 U CN 2010202294543U CN 201020229454 U CN201020229454 U CN 201020229454U CN 201723856 U CN201723856 U CN 201723856U
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- core pipe
- pipe
- groove
- flexible pipe
- hose assembly
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Abstract
The utility model discloses a core pipe and an automobile air conditioner hose assembly containing the same, which relate to the field of automobiles. The core pipe comprises a body and a plurality of rectangular grooves arranged on the body, wherein at least two sealing ring grooves are also arranged on the body, and are in separated arrangement. The automobile air conditioner hose assembly containing the core pipe comprises a hose, a sleeve and the core pipe, wherein the core pipe comprises the body and a plurality of rectangular grooves arranged on the body, wherein at least two sealing ring grooves are also arranged on the body, and are in separated arrangement, and sealing rings are respectively arranged in each sealing ring groove. The utility model adopts the design of the groove type cylindrical structure with the sealing ring grooves, further enhances the sealing performance of products, and reduces the medium loss, so the sealing performance and the environmental protection performance requirement of the products can be improved.
Description
Technical field
The utility model relates to a kind of pipe fitting and contains the assembly of this pipe fitting, particularly a kind of core pipe and contain the automotive air conditioning hose assembly of this core pipe.
Background technique
Along with popularizing of car air conditioner, and the raising of people's environmental consciousness, sealing requirements for the car air conditioner pipe-line system is also improving constantly, need constantly novel environmental protection refrigerant and the rational hose construction of Geng Jia of research and development on the one hand, the Placement for flexible pipe and metal-cored pipe also need improve continuous the improvement on the other hand.
As shown in Figure 1, existing automotive air conditioning hose assembly comprises flexible pipe 3, core pipe 1 and overlaps 2, and core pipe 1 one ends insert flexible pipe 3 inside, and the other end exposes core pipe 1, cover 2 flexible pipe 3 parts that are set on corresponding to the core pipe 1 that is inserted with.The gas-liquid medium can ooze out to the external world along the cover 2 and the slit of core pipe 1 in the hose assembly of this structure, causes the gas-liquid dielectric loss, and befouling environment.
As shown in Figure 2, described core pipe 1 body is a cylindrical body, and its outer surface that inserts an end of flexible pipe is provided with a plurality of rectangle grooves 1.1, and the diameter of described rectangle groove 1.1 bottom lands is that the diameter on D1, groove top is D2.When the D1 size is identical with inner diameter, when the D2 size was slightly larger than D1, the assembly pulling-out force was low, and the assembly sealing is poor; When the D1 size is identical with inner diameter, the D2 size is during greater than D1, and core pipe insertion force is big, the assembling difficulty, and manufacturing efficiency is low; When the D1 size less than inner diameter, when the D2 size was slightly larger than inner diameter, total member pulling-out force was low, the assembly sealing is poor; When the D1 size less than inner diameter, the D2 size is during greater than inner diameter, core pipe insertion force is big, the assembling difficulty, manufacturing efficiency is low; When the D1 size greater than inner diameter, the D2 size is during greater than D1, core pipe insertion force is big, the assembling difficulty, manufacturing efficiency is low.
Because the defective that above-mentioned Placement ubiquity assembling difficulty that prior art owing to the core tubular construction is unreasonable, therefore adopts and/or sealing differ from two aspects.
The model utility content
In order to overcome the defective that assembling difficulty of ubiquity in the prior art and/or sealing differ from two aspects, the utility model embodiment provides a kind of and has not only satisfied product performance but also satisfy the core pipe of producing assembling needs and environmental protection more and the automotive air conditioning hose assembly that contains this core pipe.Described technological scheme is as follows:
A kind of core pipe is used for the automotive air conditioning hose assembly, and described core pipe comprises body and is located at a plurality of rectangle grooves on the body, also is provided with seal groove on the described body, and described seal groove is at least two and separate and be provided with.
For simplified structure and guarantee sealability, described core pipe, wherein, described seal groove is two, one of them is arranged on that end away from the core pipe of described rectangle groove, and another is provided with near described the most last rectangle groove place, is provided with the boss of outstanding body between described two seal grooves.
For the ease of assembling, described core pipe, described rectangle groove groove top diameter is identical with the nominal bore diameter of described flexible pipe, and described rectangle groove groover rot diameter is slightly less than the nominal bore diameter of described flexible pipe.
The utility model also provides a kind of automotive air conditioning hose assembly that contains described core pipe, comprise flexible pipe, cover and core pipe, described core pipe comprises body and is located at a plurality of rectangle grooves on the body, also be provided with seal groove on the described body, described seal groove is at least two and separation setting, is respectively equipped with seal ring in described each seal groove.
For simplified structure and guarantee sealability, described automotive air conditioning hose assembly, wherein, one end of described core pipe inserts described flexible pipe inside, the other end exposes described core pipe, the flexible pipe outside that correspondence is provided with described core pipe is coated with described cover, stretch out away from an end of flexible pipe in the described cover and envelope described core pipe and then form hose assembly interface pipe fitting, seal groove on the described core pipe is two, correspond respectively to the contacting point of described cover and described core pipe, the contacting point of described flexible pipe and described core pipe, be provided with the boss of outstanding body between described two seal grooves, described boss is used to locate described flexible pipe.
For the ease of assembling, described automotive air conditioning hose assembly, wherein, described rectangle groove groove top diameter is identical with the nominal bore diameter of described flexible pipe, and described rectangle groove groover rot diameter is slightly less than the nominal bore diameter of described flexible pipe.
The beneficial effect of the technological scheme that the utility model embodiment provides is:
A kind of core pipe that the utility model provides adopts the design of the grooved round column structure of band seal groove, has guaranteed the sealing of product.
A kind of automotive air conditioning hose assembly that the utility model provides, change the structural type of prior art middle core pipe and the Placement of core pipe and flexible pipe, with the round column structure of the band rectangle groove of existing core pipe change to band seal ring and rectangle groove the grooved round column structure, further strengthened the sealing of product, reduce dielectric loss, thereby improved the sealing and the feature of environmental protection requirement of product.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment's technological scheme, to do one to the accompanying drawing that uses among the embodiment below introduces simply, apparently, below listed accompanying drawing only be embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is an automotive air conditioning hose assembly structure schematic representation described in the prior art;
Fig. 2 is the structural representation of the pipe of core described in Fig. 1;
Fig. 3 is the structural representation of the core pipe that provides of the utility model embodiment;
Fig. 4 is the automotive air conditioning hose assembly structure schematic representation that the utility model embodiment provides.
In the accompanying drawing, the component list of each label representative is as follows:
1 core pipe, 1.1 rectangle grooves, 1.2 seal grooves, 1.3 boss, 2 covers, 3 flexible pipes, 4 pipe fittings, 5 seal rings.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, the utility model mode of execution is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 3, a kind of core pipe described in the utility model, be used for the automotive air conditioning hose assembly, described core pipe 1 comprises body and is located at a plurality of rectangle grooves 1.1 on the body, because core pipe 1 has adopted 1.1 designs of multiple tracks rectangle groove, therefore riveted has well guaranteed the taking off property of tension of product at D3 size position.Also be provided with seal groove 1.2 on the described body, described seal groove 1.2 is at least two, and separates setting.Because core pipe 1 has adopted the design of the grooved round column structure of band seal ring 5, so guaranteed the sealing of product.For simplified structure and guarantee sealability, described seal groove 1.2 is preferably two; One of them is arranged on that end away from the core pipe 1 of described rectangle groove 1.1, i.e. the seal ring on the left side among Fig. 3, and it is used to prevent outwards reveal from the hard tube body; Another is provided with near described the most last rectangle groove 1.1 place, i.e. the seal ring on the right among Fig. 3, and it can prevent effectively that medium from outwards revealing from the flexible pipe part.Described rectangle groove 1.1 be front end to penetrate flexible pipe 3 ends.Flexible pipe 3 location are provided with the boss 1.3 of giving prominence to body between described two seal grooves 1.2 for convenience.For the ease of assembling, described rectangle groove 1.1 groove top diameter D3 are identical with the nominal bore diameter of described flexible pipe 3, and described rectangle groove 1.1 bottom land D4 diameters are slightly less than the nominal bore diameter of described flexible pipe 3, so reduced the insertion force when the assembly product assembles;
Core pipe processing method described in the utility model generally adopts core form of tubes processing method consistent with existing.Because core pipe described in the utility model adopts the grooved round column structure of band seal ring, and, its D3 size is identical with the flexible pipe nominal bore diameter, the D4 undersized is in the flexible pipe size, therefore can make the assembly product carry out guaranteeing in the riveted sealing of assembly product by the utility model with flexible pipe, reduce the insertion force of core pipe again, improved the assembling of assembly product.
As shown in Figure 4, the utility model also provides a kind of automotive air conditioning hose 3 assemblies that contain described core pipe, comprise flexible pipe 3, cover 2 and core pipe 1, described core pipe 1 comprises body and is located at a plurality of rectangle grooves 1.1 on the body, also be provided with seal groove 1.2 on the described body, described seal groove 1.2 is at least two and separation setting, is respectively equipped with seal ring 5 in described each seal groove 1.2.Therefore, guarantee the sealing of assembly product
For simplified structure and guarantee sealability, an end of described core pipe 1 inserts described flexible pipe 3 inside, and the other end exposes described core pipe 1.Flexible pipe 3 outsides that correspondence is provided with described core pipe 1 are coated with described cover 2, stretch out away from an end of flexible pipe 3 in the described cover 2 and envelope described core pipe 1 and then form hose assembly interface pipe fitting 4.Seal groove 1.2 on the described core pipe 1 is two, corresponds respectively to the contacting point of the contacting point of described cover 2 and described core pipe 1, described flexible pipe 3 and described core pipe 1.Be provided with the boss 1.3 of outstanding body between described two seal grooves 1.2, described boss 1.3 is used to locate described flexible pipe 3.For the ease of assembling, referring to Fig. 3, described rectangle groove 1.1 groove top diameter D3 are identical with the nominal bore diameter of described flexible pipe 3, and described rectangle groove 1.1 end diameter D4 is slightly less than the nominal bore diameter of described flexible pipe 3.
It is the one form that the utility model has adopted cover and pipe fitting, and has adopted the seal ring design that is distributed in core pipe boss both sides, has further strengthened the sealing of product, has reduced dielectric loss, thereby has improved the sealing and the feature of environmental protection requirement of product.Wherein, the D3 size of (referring to Fig. 3) core pipe is identical with the flexible pipe nominal bore diameter, and the D4 undersized is in the flexible pipe size, so can satisfy the requirement of the easy assembling of assembly product.
As shown in Figure 4, the assembly process of described automotive air conditioning hose assembly: the core pipe that at first will assemble seal ring 5 inserts flexible pipe 3, the rubber hose 3 of fit on core pipe is inserted in the cover 2 then, re-use certain pressure it is carried out riveted at D3 (referring to Fig. 3) position, promptly make core pipe, cover 2, flexible pipe 3 riveteds finish.
Therefore, the utility model can improve the sealing of product satisfying under the prerequisite that the production assembling enhances productivity, and reduces the effect of polluting thereby reach.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. a core pipe is used for the automotive air conditioning hose assembly, and described core pipe comprises body and is located at a plurality of rectangle grooves on the body, it is characterized in that, also is provided with seal groove on the described body, and described seal groove is at least two and separate and be provided with.
2. core pipe according to claim 1, it is characterized in that described seal groove is two, one of them is arranged on that end away from the core pipe of described rectangle groove, another is provided with near described the most last rectangle groove place, is provided with the boss of outstanding body between described two seal grooves.
3. core pipe according to claim 1 and 2 is characterized in that, described rectangle groove groove top diameter is identical with the nominal bore diameter of described flexible pipe, and described rectangle groove groover rot diameter is slightly less than the nominal bore diameter of described flexible pipe.
4. the automotive air conditioning hose assembly that contains the described core pipe of claim 1, comprise flexible pipe, cover and core pipe, described core pipe comprises body and is located at a plurality of rectangle grooves on the body, it is characterized in that, also be provided with seal groove on the described body, described seal groove is at least two and separation setting, is respectively equipped with seal ring in described each seal groove.
5. automotive air conditioning hose assembly according to claim 4, it is characterized in that, one end of described core pipe inserts described flexible pipe inside, the other end exposes described core pipe, the flexible pipe outside that correspondence is provided with described core pipe is coated with described cover, stretch out away from an end of flexible pipe in the described cover and envelope described core pipe and then form hose assembly interface pipe fitting, seal groove on the described core pipe is two, correspond respectively to the contacting point of described cover and described core pipe, the contacting point of described flexible pipe and described core pipe, be provided with the boss of outstanding body between described two seal grooves, described boss is used to locate described flexible pipe.
6. according to claim 4 or 5 described automotive air conditioning hose assemblies, it is characterized in that described rectangle groove groove top diameter is identical with the nominal bore diameter of described flexible pipe, described rectangle groove groover rot diameter is slightly less than the nominal bore diameter of described flexible pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202294543U CN201723856U (en) | 2010-06-13 | 2010-06-13 | Core pipe and automobile air conditioner hose assembly containing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202294543U CN201723856U (en) | 2010-06-13 | 2010-06-13 | Core pipe and automobile air conditioner hose assembly containing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201723856U true CN201723856U (en) | 2011-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202294543U Expired - Fee Related CN201723856U (en) | 2010-06-13 | 2010-06-13 | Core pipe and automobile air conditioner hose assembly containing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201723856U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075595A (en) * | 2013-01-25 | 2013-05-01 | 常州腾龙汽车零部件股份有限公司 | High-efficient enhanced type soft and hard combined connecting pipe and manufacturing method thereof |
| CN104455806A (en) * | 2014-12-12 | 2015-03-25 | 重庆华超金属有限公司 | Air conditioner shaped pipe set |
| CN108223945A (en) * | 2016-12-09 | 2018-06-29 | 常州腾龙汽车零部件股份有限公司 | A kind of air conditioning hose assembly connects core |
| CN111520548A (en) * | 2015-11-30 | 2020-08-11 | 维克托里克公司 | Sprinkler adapter and pipe plug |
-
2010
- 2010-06-13 CN CN2010202294543U patent/CN201723856U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075595A (en) * | 2013-01-25 | 2013-05-01 | 常州腾龙汽车零部件股份有限公司 | High-efficient enhanced type soft and hard combined connecting pipe and manufacturing method thereof |
| CN104455806A (en) * | 2014-12-12 | 2015-03-25 | 重庆华超金属有限公司 | Air conditioner shaped pipe set |
| CN111520548A (en) * | 2015-11-30 | 2020-08-11 | 维克托里克公司 | Sprinkler adapter and pipe plug |
| CN111520548B (en) * | 2015-11-30 | 2022-02-22 | 维克托里克公司 | Sprinkler adapter and pipe plug |
| CN108223945A (en) * | 2016-12-09 | 2018-06-29 | 常州腾龙汽车零部件股份有限公司 | A kind of air conditioning hose assembly connects core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20140613 |
|
| EXPY | Termination of patent right or utility model |