CN202510904U - Negative-pressure multi-pass air inlet pipe assembly - Google Patents
Negative-pressure multi-pass air inlet pipe assembly Download PDFInfo
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- CN202510904U CN202510904U CN 201220113717 CN201220113717U CN202510904U CN 202510904 U CN202510904 U CN 202510904U CN 201220113717 CN201220113717 CN 201220113717 CN 201220113717 U CN201220113717 U CN 201220113717U CN 202510904 U CN202510904 U CN 202510904U
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- sebific duct
- duct body
- unit
- module
- suction tude
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Abstract
The utility model discloses a negative-pressure multi-pass air inlet pipe assembly. The negative-pressure multi-pass air inlet pipe assembly comprises four paths of unit rubber pipe bodies, wherein each path of unit rubber pipe body is hermetically communicated by a 'K'-shaped four-way communicating pipe; the first unit rubber pipe body and the second unit rubber pipe body are assembled on two through ports of the four-way communicating pipe respectively; the third unit rubber pipe body and the fourth unit rubber pipe body are assembled on two 'K'-shaped branched pipe orifices of the four-way communicating pipe respectively; the first unit rubber pipe body and the second unit rubber pipe body have the same inner and outer diameter; the pipe diameter of the third unit rubber pipe body is less than that of the second unit rubber pipe body and is more than that of the fourth unit rubber pipe body; and the first unit rubber pipe body, the second unit rubber pipe body, the third unit rubber pipe body, the fourth unit rubber pipe body and the four-way communicating pipe form a multi-pass integrated air inlet pipe assembly structure. The assembly has high high-temperature resistance, ageing resistance and impermeability and is particularly applicable to Naco engineering machinery.
Description
Technical field
The utility model relates to the engineering machinery fitting field, especially for receiving a kind of suction tude of section's engineering machinery, specifically is used to receive a kind of negative pressure multi-path suction tude assembly of section's engineering machinery.
Background technique
Engineering machinery is to substitute blue-collar facility, and its development is accompanied by the progress of industrial technology, is also promoting human civilization advance.In China, engineering machinery is the important component part of equipment manufacturing industry, and it is closely related with cubic metre of earth and stone construction work, road surface construction and maintenance, flowing type lifting handling operation and various construction engineering.The gas handling system of engineering machinery has comprised air-strainer, intake manifold, intake valve mechanism etc.After air-strainer filters out impurity, flow through Air flow meter in the gas handling system air, get into intake manifold, mix the oil gas that the back forms proper proportion, send into ignition in the cylinder, produce power by intake valve with the gasoline of oil nozzle ejection via intake duct.In the existing technology, the motor of most engineering machinery still tends to adopt the natural aspiration method on intake method.But employing natural aspiration method wants to improve the effective admission amount, just must manage to improve the speed of air inlet, reaches through the speed that improves air inlet to offer the required enough purposes of new fresh oxygen of motor fuel.Thereby can the spatial shape of suction tude guarantee the unimpeded of fluid in the gas handling system of engineering machinery, reduces the flow resistance of fluid, and furnish component can bear high temperature, high pressure and oil resistant, ageing-resistant etc. all be very crucial.Not only to possess above-mentioned ability as the air inlet pipeline in the gas handling system, also require its easy installation and removal quick simultaneously, sealing and the soundness changing easily and can guarantee to connect between pipe fitting.
Summary of the invention
The utility model technical problem to be solved is to above-mentioned existing technology present situation, and a kind of negative pressure multi-path suction tude assembly with high temperature resistant, ageing-resistant, anti-ozone and anti-fuel oil is provided.This assembly integrated form assembling, easy for installation, good airproof performance can satisfy the BCE103 requirement.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of negative pressure multi-path suction tude assembly; Comprise four road unit sebific duct bodies; Be connected by the sealing of " K " font four-way connecting tube between unit, every road sebific duct body; The first module sebific duct body and the second unit sebific duct body are fitted in respectively on the two corresponding straight-through ports of four-way connecting tube; The 3rd unit sebific duct body and the 4th unit sebific duct body are fitted in respectively on " K " shape two branch's mouths of pipe of four-way connecting tube; First module sebific duct body has identical inside/outside diameter size with the second unit sebific duct body, and the pipe diameter of the 3rd unit sebific duct body less than the pipe diameter of the second unit sebific duct body greater than the pipe diameter of the 4th unit sebific duct body; First module sebific duct body, the second unit sebific duct body and the 3rd unit sebific duct body, the 4th unit sebific duct body and having constituted together four-way connecting tube has the integrated form suction tude assembly structure of multi-path abnormity bore.
For optimizing technique scheme, the measure of taking also comprises:
Pipe rubber layer, fibre threads enhancement layer and outer tube rubber layer in above-mentioned unit, every road sebific duct body includes from inside to outside; Interior pipe rubber layer, fibre threads enhancement layer and outer tube rubber layer are extruded through the compound one of adhesive layer.
Have eight different spaces sections of trend after the 4th above-mentioned unit sebific duct body adopts sulfidization molding, and the length of run of the 4th unit sebific duct body is greater than the length of run of first module sebific duct body, the second unit sebific duct body and the 3rd unit sebific duct body.
Have five different spaces sections of trend after the 3rd above-mentioned unit sebific duct body adopts sulfidization molding, first module sebific duct body has two space sections of trend after adopting sulfidization molding at least.
Have six different spaces sections of trend after the second above-mentioned unit sebific duct body adopts sulfidization molding, and the length of run of the second unit sebific duct body is greater than the length of run of first module sebific duct body and the 3rd unit sebific duct body.
Second above-mentioned unit sebific duct body and the 4th unit sebific duct body are fitted in the same end of " K " font four-way connecting tube, and first module sebific duct body and the 3rd unit sebific duct body are fitted in to be gone up and the 4th unit sebific duct body and the corresponding the other end of the second unit sebific duct body " K " font four-way connecting tube.
Above-mentioned first module sebific duct body, the second unit sebific duct body, the 3rd unit sebific duct body and the 4th unit sebific duct body are connected through plastics injection sealing between connecting tube with four-way, and each mouth of pipe place of four-way connecting tube all has injection and connects the annular injection moulding seal ring that stays.
The two ends port of above-mentioned first module sebific duct body, the second unit sebific duct body, the 3rd unit sebific duct body and the 4th unit sebific duct body all has the two ends Transverse plane that vulcanization stays of attaching the names of pre-determined candidates.
Nitrile butadiene rubber and neoprene that above-mentioned interior pipe rubber layer and outer tube rubber layer are sulfur-bearing semi-annular jade pendant vulcanzing agent, age resister, reinforcing agent and plasticizing agent are mixed and made into, the aramid line layer of fibre threads enhancement layer on interior pipe rubber layer, weaving.
Compared with prior art, a kind of negative pressure multi-path suction tude assembly of the utility model, unit sebific duct body adopt nitrile butadiene rubber and neoprene to be mixed and made into; Thereby have good springiness, pull apart powerful high, advantage such as anti-ozone aging and resistance to heat are good; Four road unit sebific duct bodies and " K " font four-way connecting tube are integrated equipped mutually through the injection sealing, thereby the good airproof performance of its connection, can seepage; And cost is lower, and the suction tude assembly of integrated form has not only reduced the installation step of connecting, has improved working efficiency; And required component are few, guaranteed the sealing that connects.The utility model reliable in quality, high temperature resistant, ageing-resistant, ozone resistance have good bearing capacity well, can satisfy the assembling needs of gas handling system in the engineering machinery.
Description of drawings
Fig. 1 is the perspective view of the utility model;
Fig. 2 is the part section structural drawing of the utility model unit sebific duct body;
Fig. 3 is the longitudinal profile structural representation of the utility model unit sebific duct body.
Embodiment
Embodiment to the utility model describes in further detail below in conjunction with accompanying drawing.
Fig. 1 is extremely shown in Figure 3 to be the structural representation of the utility model.
Reference character wherein is: unit sebific duct body 1, interior pipe rubber layer 1a, fibre threads enhancement layer 1b, outer tube rubber layer 1c, Transverse plane 1d, first module sebific duct body 11, the second unit sebific duct body 12, the 3rd unit sebific duct body 13, the 4th unit sebific duct body 14, four-way connecting tube 2, annular injection moulding seal ring 2a.
As shown in Figure 1; A kind of negative pressure multi-path suction tude assembly of the utility model; Comprise four road unit sebific duct bodies 1; 1 of unit, every road sebific duct body is connected by " K " font four-way connecting tube 2 sealing; The first module sebific duct body 11 and the second unit sebific duct body 12 are fitted in respectively on the two corresponding straight-through ports of four-way connecting tube 2; The 3rd unit sebific duct body 13 and the 4th unit sebific duct body 14 are fitted in respectively on " K " shape two branch's mouths of pipe of four-way connecting tube 2; First module sebific duct body 11 has identical inside/outside diameter size with the second unit sebific duct body 12, and the pipe diameter of the 3rd unit sebific duct body 13 less than the pipe diameter of the second unit sebific duct body 12 greater than the pipe diameter of the 4th unit sebific duct body 14, first module sebific duct body 11, the second unit sebific duct body 12 and the 3rd unit sebific duct body 13, the 4th unit sebific duct body 14 and constituted integrated form suction tude assembly structure four-way connecting tube 2 together with multi-path abnormity bore.The utility model is to be exclusively used in to receive the suction tude assembly of section's engineering machinery; Four road unit sebific duct bodies 1 are through integrated assembling of four-way connecting tube 2; Guaranteed the sealing between the body connection; Make this product have longer working life,, thereby improved the speed of installation and removal because the utility model adopts the assembling of integrated form that the connection of each parts is become easily easily.The great advantage of the utility model be body endoporus even to; Internal surface is smooth; Can reduce the flow resistance of fluid greatly; Connect good airproof performance between sebific duct simultaneously, and have reliable in quality, high temperature resistant, ageing-resistant, ozone proof characteristics, it can bear the alternation of high temperature and low temperature and have good bearing capacity.
Among the embodiment, like Fig. 2, shown in Figure 3, for further improving the quality of products, pipe rubber layer 1a, fibre threads enhancement layer 1b and outer tube rubber layer 1c in unit, the every road sebific duct body 1 of the utility model includes from inside to outside; Interior pipe rubber layer 1a, fibre threads enhancement layer 1b and outer tube rubber layer 1c extrude through the compound one of adhesive layer.Interior pipe rubber layer 1a and outer tube rubber layer 1c adopt 90 extruders to extrude after the sizing material banburying.
Nitrile butadiene rubber and neoprene that interior pipe rubber layer 1a of the utility model and outer tube rubber layer 1c are sulfur-bearing semi-annular jade pendant vulcanzing agent, age resister, reinforcing agent and plasticizing agent are mixed and made into, the aramid line layer of fibre threads enhancement layer 1b on interior pipe rubber layer 1a, weaving.The sizing material of the utility model is mixed with neoprene by nitrile butadiene rubber and is equipped with sulphur semi-annular jade pendant vulcanzing agent, crosslinking agent TAIC, anti-aging agent RD, reinforcing agent 550, reinforcing agent 660, plasticizing agent 2250, stearic acid and tackiness agent to be processed, the aramid line layer that fibre threads enhancement layer 1b weaves on the interior pipe rubber layer 1a that extrudes for the knitting machine that adopts 28 pin numbers.Aramid line has the characteristics of powerful height, good heat resistance, adopts aramid line can guarantee that the light softness of this product body, good bending property can satisfy the bursting pressure of pipe, the manufacture cost of having practiced thrift product greatly simultaneously again.
Among the embodiment; Have eight different spaces sections of trend after the 4th unit sebific duct body 14 of the utility model adopts sulfidization molding, and the length of run of the 4th unit sebific duct body 14 is greater than the length of run of first module sebific duct body 11, the second unit sebific duct body 12 and the 3rd unit sebific duct body 13.Have five different spaces sections of trend after the 3rd unit sebific duct body 13 adopts sulfidization molding, have two space sections of trend at least after first module sebific duct body 11 adopts sulfidization molding.Have six different spaces sections of trend after the second unit sebific duct body 12 adopts sulfidization molding, and the length of run of the second unit sebific duct body 12 is greater than the length of run of first module sebific duct body 11 and the 3rd unit sebific duct body 13.
The sebific duct of the utility model adopts the sulfuration of lead-free sulphur semi-annular jade pendant, has avoided the pollution of atmosphere and PE, and this product to adopt the sulphur semi-annular jade pendant to vulcanize required cure time be 20 minutes, thereby enhance productivity, practiced thrift the energy simultaneously, reduced cost of production.The two ends port of the first module sebific duct body 11 of the utility model, the second unit sebific duct body 12, the 3rd unit sebific duct body 13 and the 4th unit sebific duct body 14 all has the two ends Transverse plane 1d that vulcanization stays that attaches the names of pre-determined candidates.This product vulcanization die adopts two ends to attach the names of pre-determined candidates, and die deformation is little, and the semi-finished product sebific duct need not cut, and has reduced the waste of two ends stub bars.
2 in the first module sebific duct body 11 of the utility model, the second unit sebific duct body 12, the 3rd unit sebific duct body 13 and the 4th unit sebific duct body 14 and four-way connecting tube are connected through plastics injection sealing, and each mouth of pipe place of four-way connecting tube 2 all has injection and connects the annular injection moulding seal ring 2a that stays.The utility model adopts injection back good airproof performance, can seepage, and also cost is low, and constant product quality can satisfy the needs of mechanical gas handling system.
Among the embodiment; The second unit sebific duct body 12 and the 4th unit sebific duct body 14 are fitted in the same end of " K " font four-way connecting tube 2, and first module sebific duct body 11 and the 3rd unit sebific duct body 13 are fitted on " K " font four-way connecting tube 2 and the 4th unit sebific duct body 14 and the second unit sebific duct body, the 12 corresponding the other ends.
The most preferred embodiment of the utility model is illustrated, and various variations of being made by those of ordinary skills or remodeling can not break away from the scope of the utility model.
Claims (9)
1. negative pressure multi-path suction tude assembly; Comprise four road unit sebific duct bodies (1); It is characterized in that: be connected by " K " font four-way connecting tube (2) sealing between described every road unit sebific duct body (1); The said first module sebific duct body (11) and the second unit sebific duct body (12) are fitted in respectively on the two corresponding straight-through ports of four-way connecting tube (2); Said the 3rd unit sebific duct body (13) and the 4th unit sebific duct body (14) are fitted in respectively on " K " shape two branch's mouths of pipe of four-way connecting tube (2); Said first module sebific duct body (11) has identical inside/outside diameter size with the second unit sebific duct body (12); And greater than the pipe diameter of the 4th unit sebific duct body (14), said first module sebific duct body (11), the second unit sebific duct body (12) and the 3rd unit sebific duct body (13), the 4th unit sebific duct body (14) and having constituted together four-way connecting tube (2) has the integrated form suction tude assembly structure of multi-path abnormity bore to the pipe diameter of the 3rd unit sebific duct body (13) less than the pipe diameter of the second unit sebific duct body (12).
2. a kind of negative pressure multi-path suction tude assembly according to claim 1 is characterized in that: pipe rubber layer (1a), fibre threads enhancement layer (1b) and outer tube rubber layer (1c) in described every road unit sebific duct body (1) includes from inside to outside; Pipe rubber layer (1a), fibre threads enhancement layer (1b) and outer tube rubber layer (1c) are extruded through the compound one of adhesive layer in said.
3. a kind of negative pressure multi-path suction tude assembly according to claim 2; It is characterized in that: described the 4th unit sebific duct body (14) has eight different spaces sections of trend after adopting sulfidization molding, and the length of run of the 4th unit sebific duct body (14) is greater than the length of run of first module sebific duct body (11), the second unit sebific duct body (12) and the 3rd unit sebific duct body (13).
4. a kind of negative pressure multi-path suction tude assembly according to claim 3; It is characterized in that: described the 3rd unit sebific duct body (13) has five different spaces sections of trend after adopting sulfidization molding, and said first module sebific duct body (11) has two space sections of trend after adopting sulfidization molding at least.
5. a kind of negative pressure multi-path suction tude assembly according to claim 4; It is characterized in that: the described second unit sebific duct body (12) has six different spaces sections of trend after adopting sulfidization molding, and the length of run of the second unit sebific duct body (12) is greater than the length of run of first module sebific duct body (11) and the 3rd unit sebific duct body (13).
6. a kind of negative pressure multi-path suction tude assembly according to claim 5; It is characterized in that: described second unit sebific duct body (12) and the 4th unit sebific duct body (14) are fitted in the same end of " K " font four-way connecting tube (2), and said first module sebific duct body (11) and the 3rd unit sebific duct body (13) are fitted in " K " font four-way connecting tube (2) and go up and the 4th unit sebific duct body (14) and the corresponding the other end of the second unit sebific duct body (12).
7. a kind of negative pressure multi-path suction tude assembly according to claim 6; It is characterized in that: be connected through plastics injection sealing between described first module sebific duct body (11), the second unit sebific duct body (12), the 3rd unit sebific duct body (13) and the 4th unit sebific duct body (14) and four-way connecting tube (2), each mouth of pipe place of four-way connecting tube (2) all has injection and connects the annular injection moulding seal ring (2a) that stays.
8. a kind of negative pressure multi-path suction tude assembly according to claim 7 is characterized in that: the two ends port of described first module sebific duct body (11), the second unit sebific duct body (12), the 3rd unit sebific duct body (13) and the 4th unit sebific duct body (14) all has the two ends Transverse plane (1d) that vulcanization stays of attaching the names of pre-determined candidates.
9. a kind of negative pressure multi-path suction tude assembly according to claim 8 is characterized in that: said fibre threads enhancement layer (1b) is for going up the aramid line layer of braiding at interior pipe rubber layer (1a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220113717 CN202510904U (en) | 2012-03-23 | 2012-03-23 | Negative-pressure multi-pass air inlet pipe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220113717 CN202510904U (en) | 2012-03-23 | 2012-03-23 | Negative-pressure multi-pass air inlet pipe assembly |
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| Publication Number | Publication Date |
|---|---|
| CN202510904U true CN202510904U (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220113717 Expired - Fee Related CN202510904U (en) | 2012-03-23 | 2012-03-23 | Negative-pressure multi-pass air inlet pipe assembly |
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| Country | Link |
|---|---|
| CN (1) | CN202510904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277611A (en) * | 2013-05-27 | 2013-09-04 | 宁波丰茂汽车零部件有限公司 | Heavy-caliber radiator metal tube assembly and manufacturing technique thereof |
-
2012
- 2012-03-23 CN CN 201220113717 patent/CN202510904U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277611A (en) * | 2013-05-27 | 2013-09-04 | 宁波丰茂汽车零部件有限公司 | Heavy-caliber radiator metal tube assembly and manufacturing technique thereof |
| CN103277611B (en) * | 2013-05-27 | 2014-12-31 | 宁波丰茂汽车零部件有限公司 | Heavy-caliber radiator metal tube assembly and manufacturing technique thereof |
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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: 20121031 Termination date: 20150323 |
|
| EXPY | Termination of patent right or utility model |