A kind of new structure conversion adapter
Technical field
The utility model relates to automobile engine accessory technical field, particularly relates to a kind of new structure conversion adapter be connected with electronic throttle for vehicle intercooler.
Background technique
Along with the minimizing of current petroleum resources, the high and Consumer of oil price is to the demand of high power, high pulling torque, and the use of supercharged engine gets more and more, and the favorable rating of Consumer to supercharged engine is more and more higher.The advantage of supercharged engine is also very outstanding, and oil consumption is low, and power is strong, and low speed torque is large, small displacement high-performance.It is higher that the working principle of supercharged engine determines suction pressure, at present, cold rear suction pressure is up at more than 2bar, pressurized gas not only propose high requirement to the resistance to pressure of the correlated parts such as electronic throttle, intake manifold, intercooler air outlet pipe, simultaneously also higher to the requirement of connection reliability between component.At present, after supercharging, intercooler air outlet pipe is connected with electronic throttle and many adopts sebific duct to add the Placement of clip, and the major defect of this kind of Placement existence has: 1. electronic throttle and the easy Joint failure of intercooler air outlet pipe cause coming off; This situation can cause engine suction mode to become natural aspiration by boosted suction, and turbosupercharger loses pressurization, and air-strainer also loses air filtering effect simultaneously, thus cause engine operating condition severe, and burn insufficient, over-emitting black exhaust, power degradation, even midway is flame-out.2. manufacturing mechanism interface disunity, switching time is long; 3. easily block partially during clip assembling, cause intercooler air outlet pipe to come off; 4. intercooler air outlet pipe assembling, dismounting difficulty; 5. the easy torsional deformation of intercooler air outlet pipe.Publication date is on December 24th, 2008, publication number is that the Chinese patent literature of CN201170399Y discloses a kind of Novel connection stop hoop for cooler gas barrel of heavy-duty car, comprise clip, the ring-shaped clip of described clip to be cross section be V-type, match with the aluminium ring in intercooler rubber pipe and the intercooler mouth of pipe respectively in its V-type side, clip fastening end is then fastening by fastening piece.There is structure simple, low cost and other advantages, easily come off on solving heavy-duty car intercooler air inlet/outlet rubber hose, affect the problem that vehicle normally uses and have certain effect.But this structure adopts the sphenoid surface on the sphenoid surface of the aluminium ring of V-type bi-side respectively in intercooler rubber pipe of clip and the intercooler mouth of pipe to be combined, the connection scheme that clip V-type face makes the sphenoid surface in intercooler rubber pipe on aluminium ring sphenoid surface and intercooler make the aluminium ring in intercooler rubber pipe push the radial anchor ring of sebific duct and intercooler pipes bore along the axial compression of two mouths of pipe to fit to anchor ring, easily occur loosening in automobile running vibration, cause joint to seal bad, thus affect engine efficiency.
Model utility content
The purpose of this utility model is that the connection for solving vehicle intercooler and electronic throttle in prior art is easily leaked gas or comes off, the problem that reliability is low, provides a kind of good airproof performance, connects reliable and simple load and unload new structure conversion adapter.
The concrete technological scheme that the utility model is adopted for achieving the above object is, a kind of new structure conversion adapter, for the interface between electronic throttle and intercooler air outlet pipe, described conversion adapter body cylindrically, the second cylindrical shell comprising the first cylindrical shell and be connected to one with the first drum shaft, the outer wall of the first cylindrical shell is provided with the first annular nib around the first cylindrical shell and the second annular nib, looping groove between first annular nib and the second annular nib, the barrel of the first cylindrical shell is provided with many and runs through barrel and across the axial slot (namely axial slot length is greater than the width of circular groove and runs through the bottom of circular groove) of circular groove, the inwall being close to the first cylindrical shell is provided with cylindrical sealing sleeve, the internal diameter of stuffing box gland and the external diameter of electronic throttle mouthpiece suitable, the external diameter of the second cylindrical shell and the internal diameter of intercooler air outlet pipe suitable.Cylindric conversion adapter body is applicable to and the docking of electronic throttle and intercooler air outlet pipe, and is facilitated by the electronic throttle output tube of different bore dock with intercooler air outlet pipe; And form fast interface with the second cylindrical shell of middle cooling pipe connecting end, be convenient to design and the unification of equipment interface in production process like this, adopt the fast interface of standard easy accessibility when production test and component assembling simultaneously, can effectively improve dismounting speed, improve productive temp, the reliability of connection is high.In addition, when adopting fast interface to be connected with intercooler air outlet pipe, intercooler air outlet pipe can rotate in conversion adapter radial direction, can not cause intercooler air outlet pipe distortion, distortion.In addition, conversion adapter first cylindrical shell arranges the circular groove for holding clip, and offer many in the bottom of circular groove and run through barrel and across the axial slot of circular groove, clip can be improved and act on enclasping force on conversion adapter, improve connection reliability.In addition, stuffing box gland is set at the inwall of the first cylindrical shell, plays good seal action.Therefore, the connection that conversion adapter of the present utility model solves vehicle intercooler and electronic throttle in prior art is easily leaked gas or comes off, the problem that reliability is low, is a kind of good airproof performance, connects reliable and simple load and unload new structure conversion adapter.
As preferably, be positioned on the first annular nib of the first cylindrical shell homonymy and the second annular nib and be equipped with breach, the breach of the second annular nib is provided with the first drum shaft to vertical spacing blend stop away from circular groove side, one end outer circumferential side (namely away from the first side, cylindrical shell axle center) of spacing blend stop is provided with the unsettled block extended to circular groove, is provided with the gap that can hold clip endless belt and pass between the bottom surface of unsettled block and circular groove.Breach, spacing blend stop and unsettled block combine, the loading of clip and the location of clip securing means can be facilitated, axially position-limiting action is being played when clip assembles, deflection when can effectively avoid clip to assemble, rib can also effectively prevent clip from coming off from conversion adapter simultaneously, when effectively preventing from tightening clip, clip axial rotation, dismantles when being convenient to the I& M of clip.
As preferably, the outer wall of the second cylindrical shell is provided with the bulge loop around the second cylindrical shell, the rectangular triangle of cross section of described bulge loop.Usual bulge loop is 2-4 bar, and its cross section is the right-angled triangle that can prevent intercooler air outlet pipe from coming off.The bulge loop of this triangular structure of right angle can make intercooler air outlet pipe and conversion adapter be connected firmly, and prevents intercooler air outlet pipe and conversion adapter because outlet pressure or vibrations come off.
As preferably, the external diameter of the first cylindrical shell is greater than the external diameter of the second cylindrical shell, and the internal diameter of the first cylindrical shell is greater than the internal diameter of the second cylindrical shell, and conversion adapter body interior is shoulder hole structure, the external diameter of stuffing box gland and the macropore internal diameter of shoulder hole suitable, the internal diameter of stuffing box gland is greater than the hole diameter of shoulder hole.
As preferably, the first annular nib is located at the opening of the first cylindrical shell, and the height of projection of the first annular nib is less than the height of projection of the second annular nib.The height of projection that the height of projection of the first annular nib is less than the second annular nib can facilitate the installation and removal of clip, guarantees that crossover sub mounting or dismounting are convenient.
As preferably, stuffing box gland is quality of rubber materials, and stuffing box gland and the first cylindrical shell integrated vulcanizing, stuffing box gland is provided with flanging structure near the first cartridge openings place.The rubber sealing boot that conversion adapter and closure connecting end adopt and conversion adapter body integrated vulcanizing shaping, rubber sealing boot can effectively ensure sealing, the cylindrical body of conversion adapter can ensure its structural strength effectively.
As preferably, the madial wall of stuffing box gland and outer side wall be axially equipped with saw tooth structure, the outer wall of electronic throttle output tube and the inwall of the first cylindrical shell are respectively equipped with the zigzag fashion disconnecting prevention structure with described saw tooth structure adaptation.Connecting part between stuffing box gland and electronic throttle output tube and the first cylinder inboard wall all adopts saw tooth structure, can make the sealing between conversion adapter with electronic throttle and be connected more reliable, effectively prevent gas leakage and both depart from.
As preferably, the inside of stuffing box gland is provided with overall ringwise sealed cavity, and sealed cavity is positioned at the middle part of stuffing box gland cross section, and chamber, the inner side wall that stuffing box gland is adjacent with electronic throttle output tube is provided with the pore that can be communicated with electronic throttle output tube.In the inside of stuffing box gland, sealed cavity is set, this cavity is communicated with electronic throttle output tube by a pore, like this, when the delivery pressure of electronic throttle increases, pressure in sealed cavity is along with increase, make the connection between stuffing box gland and electronic throttle output tube and conversion adapter first cylindrical shell more tight, effectively can prevent impact during pressure increase, conversion adapter caused, prevent conversion adapter from coming off; And when the delivery pressure of electronic throttle reduces, pressure in sealed cavity is along with reduction, connection relative relaxation now between stuffing box gland and electronic throttle output tube and conversion adapter first cylindrical shell some, solid construction stuffing box gland can be avoided to be in high pressure conditions for a long time in order to leakproof anticreep, this high pressure conditions easily makes the long-time pressurized of stuffing box gland and produces distortion, thus affects sealing effect and working life.
Alternatively, the inside of stuffing box gland is provided with overall ringwise sealed cavity, and sealed cavity is positioned at the middle part of stuffing box gland cross section, is filled with the air that pressure is 0.03 to 0.06Mpa in sealed cavity.This programme is a kind of replacement scheme of solid construction stuffing box gland, and in this programme, the inside of stuffing box gland is provided with sealed cavity, is filled with the air that air pressure is 0.03 to 0.06Mpa in sealed cavity.Due to the good fluidity of air, therefore the stuffing box gland of this programme is being subject to can producing larger distortion under extraneous pressure effect, make the connection between stuffing box gland and electronic throttle output tube and conversion adapter first cylindrical shell tightr, effectively can prevent impact during pressure increase, conversion adapter caused, prevent conversion adapter from coming off; Simultaneously because the deformation of stuffing box gland initiative is comparatively large, therefore the impact of extraneous pressure on stuffing box gland is less, can avoid the long-time pressurized of stuffing box gland and produce distortion, improves the working life of stuffing box gland.In addition, the air pressure in sealed cavity can not be too high or too low, and air pressure is too low, and stuffing box gland is partially soft, affects sealing effect; And air pressure is too high, the pressure increase suffered by stuffing box gland, affects the working life of stuffing box gland, and air pressure 0.03 to 0.06Mpa is better selection.
Conversion adapter of the present utility model has following advantages: 1, one end of conversion adapter adopts integrated fast inserting structure, can improve dismounting convenience and unified relevant production units interface; 2, conversion adapter body is evenly slotted, the rigidity of conversion adapter body can be reduced, improve effective enclasping force of clip; 3, by rubber sealing boot and conversion adapter body integrated vulcanizing, be convenient to assembling, improve sealing reliability simultaneously; 4, conversion adapter designs spacing rib when clip loads and tightens, improve reliability and the convenience of clip assembling; 5, adopt fast inserting structure to allow intercooler air outlet pipe to rotate, can effectively avoid middle cooling pipe torsional deformation.As can be seen here, the connection that the utility model efficiently solves vehicle intercooler and electronic throttle in prior art is easily leaked gas or comes off, and the problem that reliability is low has very high use value.
Accompanying drawing explanation
Fig. 1 is a kind of stereo decomposing structural representation of the present utility model;
Fig. 2 is that one of the present utility model analyses and observe decomposition texture schematic diagram;
A kind of partial structurtes sectional view when Fig. 3 is utility model works;
A kind of partial structurtes sectional view when Fig. 4 is utility model works;
A kind of linkage structure schematic diagram when Fig. 5 is utility model works.
In figure, 1. conversion adapter body, 2. the first cylindrical shell, 3. the second cylindrical shell, 4. the first annular nib, 5. the second annular nib, 6. circular groove, 7. axial slot, 8. stuffing box gland, 9. electronic throttle mouthpiece, 10. intercooler air outlet pipe, 11. breach, 12. spacing blend stops, 13. unsettled blocks, 14. clip endless belt, 15. bulge loops, 16. macropores, 17. apertures, 18. flanging structures, 19. madial walls, 20. outer side walls, 21. saw tooth structures, 22. sealed cavities, 23. pores.
Embodiment
Below by embodiment, and by reference to the accompanying drawings embodiment of the present utility model is described in further detail.
Embodiment 1
At Fig. 1, in embodiment 1 shown in Fig. 2, a kind of new structure conversion adapter, for the interface between electronic throttle and intercooler air outlet pipe, described conversion adapter body 1 cylindrically, the second cylindrical shell 3 comprising the first cylindrical shell 2 and be connected to one with the first drum shaft, the outer wall of the first cylindrical shell is provided with the first annular nib 4 and the second annular nib 5 around the first cylindrical shell, first annular nib is located at the opening of the first cylindrical shell, the height of projection of the first annular nib is less than the height of projection of the second annular nib, looping groove 6 between first annular nib and the second annular nib, be positioned on the first annular nib of the first cylindrical shell homonymy and the second annular nib and be equipped with breach 11, the breach of the second annular nib is provided with the first drum shaft to vertical spacing blend stop 12 away from circular groove side, one end outer circumferential side of spacing blend stop is provided with the unsettled block 13 extended to circular groove, is provided with the gap that can hold clip endless belt 14 and pass between the bottom surface of unsettled block and circular groove, the barrel of the first cylindrical shell is provided with many and runs through barrel and across the axial slot 7 of circular groove, the inwall being close to the first cylindrical shell is provided with cylindrical sealing sleeve 8, internal diameter and the electronic throttle mouthpiece 9(of stuffing box gland are shown in Fig. 5) external diameter suitable, the external diameter of the second cylindrical shell and the internal diameter of intercooler air outlet pipe 10 suitable, the outer wall of the second cylindrical shell is provided with the bulge loop 15 around the second cylindrical shell, described bulge loop is 2, the rectangular triangle of its cross section.
The external diameter of the first cylindrical shell is greater than the external diameter of the second cylindrical shell, the internal diameter of the first cylindrical shell is greater than the internal diameter of the second cylindrical shell, conversion adapter body interior is shoulder hole structure, the external diameter of stuffing box gland and macropore 16 internal diameter of shoulder hole suitable, stuffing box gland is quality of rubber materials, stuffing box gland and the first cylindrical shell integrated vulcanizing (separate in figure and draw), stuffing box gland is provided with flanging structure 18 near the first cartridge openings place, turnup structure is also provided with the breach corresponding with breach on annular nib, and the internal diameter of stuffing box gland is greater than aperture 17 internal diameter of shoulder hole.
Embodiment 2
The inside of stuffing box gland is provided with overall ringwise sealed cavity 22(and sees Fig. 3), sealed cavity is positioned at the middle part of stuffing box gland cross section, and be filled with the air that air pressure is 0.04Mpa in sealed cavity, all the other are identical with embodiment 1.
Embodiment 3
The madial wall 19 of stuffing box gland is axially equipped with saw tooth structure 21 with outer side wall 20, the outer wall of electronic throttle output tube and the inwall of the first cylindrical shell are respectively equipped with the zigzag fashion disconnecting prevention structure with described saw tooth structure adaptation, and all the other are identical with embodiment 1 or embodiment 2.
Embodiment 4
The inside of stuffing box gland is provided with overall ringwise sealed cavity, sealed cavity is positioned at the middle part of stuffing box gland cross section, chamber, the inner side wall that stuffing box gland is adjacent with electronic throttle output tube is provided with the pore 23(that can be communicated with electronic throttle output tube and sees Fig. 4), all the other are identical with embodiment 1 or embodiment 3.
In addition to the implementation; in the scope disclosed in claims of the present utility model and specification; technical characteristics of the present utility model or technical data can carry out reselecting and combining; thus form new mode of execution; the mode of execution that these the utility model are not described in detail is that those skilled in the art just can realize easily without the need to creative work, and therefore these mode of executions do not described in detail also should be considered as specific embodiment of the utility model and within protection domain of the present utility model.