CN105644635A - Anti-leakage spoiler and installation method thereof - Google Patents
Anti-leakage spoiler and installation method thereof Download PDFInfo
- Publication number
- CN105644635A CN105644635A CN201511005438.XA CN201511005438A CN105644635A CN 105644635 A CN105644635 A CN 105644635A CN 201511005438 A CN201511005438 A CN 201511005438A CN 105644635 A CN105644635 A CN 105644635A
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- spoiler
- positioning screw
- positioning
- inner sleeve
- overcoat
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- 238000009434 installation Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000010720 hydraulic oil Substances 0.000 claims description 60
- 239000003921 oil Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 238000004064 recycling Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 4
- 125000006850 spacer group Chemical group 0.000 abstract 5
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 17
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D35/00—Vehicle bodies characterised by streamlining
- B62D35/007—Rear spoilers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
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- Bolts, Nuts, And Washers (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention relates to automobile spoilers, in particular to an anti-leakage spoiler and an installation method thereof. The anti-leakage spoiler comprises a spoiler body which is fixed to the top of a backdoor outer plate. A plurality of connecting arms are arranged on the spoiler body. Connecting assemblies are embedded in the connecting arms. Each connecting assembly comprises a positioning pin, a positioning screw and a locking nut matched with the positioning screw, wherein the positioning bolt and the positioning pin penetrate through the backdoor outer plate. The spoiler body and the backdoor outer plate are fixed through the cooperation of the positioning screws and the locking nuts. The positioning screws are sleeved with elastic waterproof spacers. The positioning pins are sleeved with waterproof positioning spacers. The elastic waterproof spacers and the waterproof positioning spacers are sleeved with positioning spacers. The anti-leakage spoiler and the installation method thereof have the beneficial effects that an installation position can be effectively sealed, a waterproof effect is achieved, the buffering effect of the spoiler is improved, frequent vibration of the spoiler is prevented, and the vibration amplitude of the spoiler is reduced.
Description
Technical field
The present invention relates to a kind of automobile tail fin, especially relate to a kind of preventing water leakage spoiler and installation method thereof.
Background technology
Spoiler, as the extraneous adornment part of automobile, not only has effect attractive in appearance, and when in vehicle traveling process, the guiding that air-flow is subject to spoiler applies downward pressure to spoiler, according to the different earth-grasping forces that improve or reduce automobile of the radian of spoiler. Spoiler of the prior art and tailgate outward appearance are fixed, and the sealing of bearing is poor, cause waterproof effect poor. And spoiler is because the radian of spoiler is different from shape and the position of car roof and tailgate outside plate, causes spoiler self with respect to having relative vibration between tailgate outside plate. Along with the difference of car speed, air-flow varies in size, and causes the vibration frequency of spoiler under the different speed of a motor vehicle different with amplitude. Spoiler of the prior art and tailgate outside plate adopt and are rigidly connected, tailgate outside plate cannot carry out balance to the vibrations of spoiler self, in the time that spoiler and tailgate outside plate are slightly loosening, the frequency of spoiler self vibration and amplitude will be exaggerated, and cause spoiler frequently vibrations in the situation that of the different speed of a motor vehicle.
Summary of the invention
The present invention is mainly for the problems referred to above, provide a kind of can be effectively to installation site sealing, play waterproof effect, strengthen spoiler buffering effect, prevent that spoiler from frequently shaking, reducing preventing water leakage spoiler and the installation method thereof of spoiler vibration amplitude.
Object of the present invention is mainly achieved by following proposal: a kind of preventing water leakage spoiler, comprise the spoiler that is fixed on tailgate outside plate top, on described spoiler, be arranged with several linking arms, in linking arm, be embedded with coupling assembling, coupling assembling comprises alignment pin, positioning screw and the locking nut coordinating with positioning screw, positioning screw and alignment pin run through tailgate outside plate, spoiler and tailgate outside plate are fixed by positioning screw and locking nut, positioning screw outside is arranged with elastic water-proof pad, alignment pin outside is arranged with location waterproof gasket, elastic water-proof pad and waterproof gasket outside, location are arranged with locating shim, described elastic water-proof pad and location waterproof gasket are all " returning " font, locating shim is the figure of eight. on spoiler, be arranged with linking arm, be embedded coupling assembling in linking arm, spoiler is fixed on the top of tailgate outside plate by coupling assembling. coupling assembling comprises alignment pin, positioning screw and the locking nut coordinating with positioning screw, and alignment pin can be realized the location of spoiler, by the cooperation of locking nut and positioning screw, realizes the fixing of spoiler. in the time that spoiler shakes, positioning screw is as main stressed member, sheathed elastic water-proof pad outside positioning screw, elastic water-proof pad can strengthen the sealing of positioning screw outer surface, sheathed location waterproof gasket outside alignment pin, location waterproof gasket can strengthen the sealing of alignment pin outer surface, avoids outside water along positioning screw and alignment pin into the car. sheathed locating shim outside elastic water-proof pad and location waterproof gasket, locating shim can be to elastic water-proof pad and waterproof gasket location, location, avoid being subjected to displacement play between elastic water-proof pad and location waterproof gasket, further strengthen the sealing of whole coupling assembling and tailgate outside plate. in the time there are vibrations in spoiler, elastic water-proof pad can be to positioning screw and spoiler buffering, and under the different speed of a motor vehicle, the vibration frequency of spoiler is different with vibration amplitude, elastic water-proof pad can be offset by self Flexible change the vibrations of spoiler, slows down the self vibration of spoiler. elastic water-proof pad and location waterproof gasket are all " returning " font, have increased the fitting area of elastic water-proof pad to positioning screw outer surface, have increased the fitting area of location waterproof gasket to alignment pin outer surface, further strengthen sealing. locating shim is the figure of eight, and locating shim, by elastic water-proof pad and location waterproof gasket parcel and location, strengthens the positioning precision of elastic water-proof pad and location waterproof gasket, reduces elastic water-proof and location waterproof gasket generation play.
As preferably, described positioning screw outside is arranged with inner sleeve, and inner sleeve outside is arranged with overcoat.
As preferably, the axis place of described overcoat is provided with the sliding cavity for holding inner sleeve, and the outer pars intramuralis of overcoat is provided with ring cavity around the axis of overcoat, and ring cavity is communicated with sliding cavity; The axis place of inner sleeve is provided with downward opening liner chamber, and positioning screw is positioned at liner chamber, and the end face axis place in liner chamber is provided with through hole, is provided with the check valve that can be entered to liner cavity direction by sliding cavity in through hole; The axis place, one end that positioning screw is positioned at inner sleeve inside is provided with positioning chamber; In ring cavity, sliding cavity, liner chamber and positioning chamber, be all filled with hydraulic oil. The axis place of overcoat arranges sliding cavity, and sliding cavity is used for holding inner sleeve, and inner sleeve can be slided in sliding cavity, and the outer pars intramuralis of overcoat arranges ring cavity, and ring cavity is around the axis setting of overcoat, and ring cavity is communicated with sliding cavity. The outer surface of inner sleeve is fitted in interior slip of sliding cavity of overcoat, the axis place of inner sleeve arranges downward opening liner chamber, positioning screw fits tightly at liner inner cavity surface, at the end face axis place in liner chamber, through hole is set, and through hole has been realized being communicated with of liner chamber and sliding cavity. In through hole, be provided with check valve, check valve is can be entered to liner chamber by sliding cavity. The axis place, one end that positioning screw is positioned at inner sleeve inside is provided with positioning chamber, and positioning chamber is communicated with liner chamber, in ring cavity, sliding cavity, liner chamber and positioning chamber, is all filled with hydraulic oil. In the time that spoiler shakes, positioning screw and inner sleeve are with respect to axial relative displacement occurs between overcoat. Positioning screw drives inner sleeve in the time that overcoat direction stretches into, the hydraulic oil of inner sleeve end face in overcoat direction extruding sliding cavity, hydraulic oil in sliding cavity is to the extruding in ring cavity and push the hydraulic oil in ring cavity, meanwhile, also will have through check valve in sliding cavity enters in through hole and pushes the hydraulic oil in positioning chamber. Pressure after hydraulic oil pressurized in sliding cavity, ring cavity, liner chamber and positioning chamber is identical, hydraulic oil after pressurized applies axial reaction force to inner sleeve end face, realize the buffering of inner sleeve, and then realize the buffering of positioning screw, slow down vibration frequency and the vibration amplitude of spoiler. When spoiler vibrations, transmit vibrations to positioning screw, and positioning screw transmits vibrations on the hydraulic oil between inner sleeve and overcoat, hydraulic oil can cause time delay to vibrations, be pressure and the vibrations to hydraulic oil of positioning screw and inner sleeve, and between hydraulic oil reaction force, life period is poor, further strengthen buffering effect, slow down the vibrations of whole spoiler. Because positioning chamber, liner chamber, sliding cavity are identical with the hydraulic fluid pressure in ring cavity, can strengthen the supporting role to positioning screw of hydraulic oil in positioning chamber, prevent positioning screw bend by pressure. Hydraulic oil self has buffering and antihunt action, further reduces the radially vibrations between positioning screw, inner sleeve and overcoat. In like manner, when positioning screw maintains static, when overcoat is followed, between spoiler and positioning screw, axial relative displacement is occurred, overcoat is towards the direction under tension away from positioning screw, overcoat stretches towards the direction away from positioning screw and inner sleeve, hydraulic oil in positioning chamber cannot be discharged by check valve, the volume in sliding cavity, ring cavity and liner chamber is increased, hydraulic oil need to stretch, stretching hydraulic oil will be resisted outside atmospheric pressure, can strengthen equally buffering effect and increase buffering time delay, realize buffering and reduce vibrations.
As preferably, on described positioning screw outer wall, offer cannelure, in cannelure, be embedded with loop buffer piece, the diameter of loop buffer piece is greater than the diameter of positioning screw. On positioning screw outer wall, offer cannelure, in cannelure, be embedded with loop buffer piece, cannelure can be to loop buffer piece axial limiting, the diameter of loop buffer piece is greater than the diameter of positioning screw, utilize loop buffer piece to increase positioning screw and liner chamber Surface Contact pressure, and then increasing friction force, realize the location between positioning screw and inner sleeve. And can utilize loop buffer piece to increase the sealing between liner chamber and positioning screw, prevent that hydraulic oil from leaking. In the time that positioning screw shakes to inner sleeve transmission, loop buffer piece can radially cushion positioning screw, reduces the relative vibration between positioning screw and inner sleeve, and then reduces the vibrations transmission between inner sleeve and overcoat.
As preferably, the section configuration of described lining the outer surface of is square, and the section configuration of the outer surface of overcoat be square. The section configuration of lining the outer surface of is square, between inner sleeve and overcoat, cannot relatively rotate, and realizes anti-torsion function, and foursquare lining the outer surface of moment of torsion is even. The section configuration of the outer surface of overcoat is square, realizes the anti-torsion between overcoat and linking arm.
As preferably, described elastic water-proof pad is provided with protruding ring near axis place, protruding ring embed liner chamber inner and with liner chamber interference fit. Elastic water-proof pad is provided with protruding ring near axis place, protruding ring be embedded into liner chamber inner and with liner chamber interference fit, it is fixing that the liner chamber of inner sleeve can produce the spacing and interference fit of protruding ring, realize the location between elastic water-proof pad and inner sleeve, simultaneously, inside be enclosed within when being given a shock in sliding cavity and being subjected to displacement, protruding ring can be spacing to inner sleeve bottom surface. And utilize protruding ring to strengthen the sealing in liner chamber, prevent that the hydraulic oil in inner sleeve from leaking.
As preferably, on described sleeve side wall, be provided with oil-filled hole, oil-filled hole is connected with ring cavity, and oil-filled hole place is provided with sealing-plug. On sleeve side wall, be provided with oil-filled hole, because oil-filled hole is connected with ring cavity, can in ring cavity, sliding cavity, liner chamber and positioning chamber, supplement hydraulic oil by oil-filled hole. Producing when assembling, when positioning screw and inner sleeve pack sliding cavity into, can squeezed fluid force feed, utilize hydraulic oil that the air in overcoat is discharged along oil-filled hole, recycle the oil-filled hole of sealing-plug shutoff, be convenient to the assembling of overcoat, inner sleeve and positioning screw.
A kind of installation method of above-mentioned preventing water leakage spoiler, installation steps are as follows: 1) positioning screw is inserted in the liner chamber of inner sleeve, again inner sleeve is inserted to the sliding cavity of overcoat, be filled with hydraulic oil by oil-filled hole to ring cavity inside, hydraulic oil enters sliding cavity after being full of ring cavity, enter liner chamber by sliding cavity through check valve again, then entered the positioning chamber of positioning screw by liner chamber; 2) shutoff sealing-plug, is connected as a single entity overcoat, inner sleeve and positioning screw, then is fixed in linking arm on spoiler and with alignment pin and forms coupling assembling; 3) sheathed the first flashing outside positioning screw, sheathed location waterproof gasket outside alignment pin, then locating shim is set in to elastic water-proof pad and waterproof gasket outside, location; 4) spoiler is arranged on tailgate outside plate, now, the alignment pin that has run through location waterproof gasket penetrates in tailgate outside plate, the positioning screw that has run through elastic water-proof pad penetrates in tailgate outside plate, recycling locking nut screw thread is fixed on positioning screw, realizes the fixing of whole preventing water leakage spoiler.
As preferably, utilize welding manner that locking nut is weldingly fixed on tailgate outside plate.
Therefore, preventing water leakage spoiler of the present invention and installation method thereof possess following advantage: 1, in the time that spoiler shakes, positioning screw is as main stressed member, sheathed elastic water-proof pad outside positioning screw, elastic water-proof pad can strengthen the sealing of positioning screw outer surface, sheathed location waterproof gasket outside alignment pin, location waterproof gasket can strengthen the sealing of alignment pin outer surface, avoids outside water along positioning screw and alignment pin into the car, 2, sheathed locating shim outside elastic water-proof pad and location waterproof gasket, locating shim can be to elastic water-proof pad and waterproof gasket location, location, avoid being subjected to displacement play between elastic water-proof pad and location waterproof gasket, further strengthen the sealing of whole coupling assembling and tailgate outside plate, in the time there are vibrations in spoiler, elastic water-proof pad can be to positioning screw and spoiler buffering, under the different speed of a motor vehicle, the vibration frequency of spoiler is different with vibration amplitude, elastic water-proof pad can be offset by self Flexible change the vibrations of spoiler, slow down the self vibration of spoiler, 3, positioning screw drives inner sleeve in the time that overcoat direction stretches into, the hydraulic oil of inner sleeve end face in overcoat direction extruding sliding cavity, hydraulic oil in sliding cavity is to the extruding in ring cavity and push the hydraulic oil in ring cavity, simultaneously, also will have through check valve in sliding cavity enters in through hole and pushes the hydraulic oil in positioning chamber, sliding cavity, ring cavity, pressure after hydraulic oil pressurized in liner chamber and positioning chamber is identical, hydraulic oil after pressurized applies axial reaction force to inner sleeve end face, realize the buffering of inner sleeve, and then realize the buffering of positioning screw, slow down vibration frequency and the vibration amplitude of spoiler, when spoiler vibrations, transmit vibrations to positioning screw, and positioning screw transmits vibrations on the hydraulic oil between inner sleeve and overcoat, hydraulic oil can cause time delay to vibrations, be pressure and the vibrations to hydraulic oil of positioning screw and inner sleeve, and between hydraulic oil reaction force, life period is poor, further strengthen buffering effect, slow down the vibrations of whole spoiler.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of the present invention;
Accompanying drawing 2 is partial sectional views of spoiler and tailgate outside plate junction in the present invention;
Accompanying drawing 3 is cutaway views of overcoat in the present invention;
Accompanying drawing 4 is cutaway views of inner sleeve in the present invention;
Accompanying drawing 5 is cutaway views of positioning screw in the present invention;
Accompanying drawing 6 is cutaway views of Elastic waterproof gasket of the present invention;
Accompanying drawing 7 is the top views at locating shim place in the present invention.
Illustrate: 1-roof, 2-tailgate outside plate, 3-spoiler, 4-linking arm, 5-overcoat, 51-ring cavity, 52-sliding cavity, the oil-filled hole of 53-, 54-sealing-plug, 6-inner sleeve, 61-liner chamber, 62-through hole, 63-check valve, 7-positioning screw, 71-positioning chamber, 8-locking nut, 9-elastic water-proof pad, 91-protruding ring, 10-locates waterproof gasket, 11-locating shim, 12-alignment pin, 13-loop buffer piece, 14-hydraulic oil.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1:
As Fig. 1, shown in 2, a kind of preventing water leakage spoiler, comprise the spoiler 3 that is fixed on tailgate outside plate top, tailgate outside plate 2 chain connections are on roof 1, on spoiler, be arranged with four linking arms 4, in linking arm, be embedded with coupling assembling, coupling assembling comprises alignment pin 12, positioning screw 7 and the locking nut 8 coordinating with positioning screw, positioning screw and alignment pin run through tailgate outside plate, spoiler and tailgate outside plate are fixed by positioning screw and locking nut, positioning screw outside is arranged with elastic water-proof pad 9, alignment pin outside is arranged with location waterproof gasket 10, elastic water-proof pad and waterproof gasket outside, location are arranged with locating shim 11. as shown in Figure 7, elastic water-proof pad and location waterproof gasket are all " returning " font, and locating shim is the figure of eight. positioning screw outside is arranged with inner sleeve 6, and inner sleeve outside is arranged with overcoat 5. as shown in Figure 3, the axis place of overcoat is provided with the sliding cavity 52 for holding inner sleeve, the outer pars intramuralis of overcoat is provided with ring cavity 51 around the axis of overcoat, ring cavity is communicated with sliding cavity, the section configuration of the outer surface of overcoat is square, on sleeve side wall, be provided with oil-filled hole 53, oil-filled hole is connected with ring cavity, and oil-filled hole place is provided with sealing-plug 54. the section configuration of lining the outer surface of is square, as shown in Figure 4, the axis place of inner sleeve is provided with downward opening liner chamber 61, and positioning screw is positioned at liner chamber, the end face axis place in liner chamber is provided with through hole 62, is provided with the check valve 63 that can be entered to liner cavity direction by sliding cavity in through hole. as shown in Figure 5, the axis place, one end that positioning screw is positioned at inner sleeve inside is provided with positioning chamber 71, on positioning screw outer wall, offers cannelure, is embedded with loop buffer piece 13 in cannelure, and the diameter of loop buffer piece is greater than the diameter of positioning screw. in ring cavity, sliding cavity, liner chamber and positioning chamber, be all filled with hydraulic oil 14. as shown in Figure 6, elastic water-proof pad is provided with protruding ring 91 near axis place, protruding ring embed liner chamber inner and with liner chamber interference fit.
The installation method of above-mentioned preventing water leakage spoiler, installation steps are as follows: 1) positioning screw is inserted in the liner chamber of inner sleeve, again inner sleeve is inserted to the sliding cavity of overcoat, be filled with hydraulic oil by oil-filled hole to ring cavity inside, hydraulic oil enters sliding cavity after being full of ring cavity, enter liner chamber by sliding cavity through check valve again, then entered the positioning chamber of positioning screw by liner chamber; 2) shutoff sealing-plug, is connected as a single entity overcoat, inner sleeve and positioning screw, then is fixed in linking arm on spoiler and with alignment pin and forms coupling assembling; 3) sheathed the first flashing outside positioning screw, sheathed location waterproof gasket outside alignment pin, then locating shim is set in to elastic water-proof pad and waterproof gasket outside, location; 4) spoiler is arranged on tailgate outside plate, now, the alignment pin that has run through location waterproof gasket penetrates in tailgate outside plate, the positioning screw that has run through elastic water-proof pad penetrates in tailgate outside plate, recycling locking nut screw thread is fixed on positioning screw, realizes the fixing of whole preventing water leakage spoiler. Utilize welding manner that locking nut is weldingly fixed on tailgate outside plate.
On spoiler, be arranged with linking arm, be embedded coupling assembling in linking arm, spoiler is fixed on the top of tailgate outside plate by coupling assembling. Coupling assembling comprises alignment pin, positioning screw and the locking nut coordinating with positioning screw, and alignment pin can be realized the location of spoiler, by the cooperation of locking nut and positioning screw, realizes the fixing of spoiler. In the time that spoiler shakes, positioning screw is as main stressed member, sheathed elastic water-proof pad outside positioning screw, elastic water-proof pad can strengthen the sealing of positioning screw outer surface, sheathed location waterproof gasket outside alignment pin, location waterproof gasket can strengthen the sealing of alignment pin outer surface, avoids outside water along positioning screw and alignment pin into the car. Sheathed locating shim outside elastic water-proof pad and location waterproof gasket, locating shim can be to elastic water-proof pad and waterproof gasket location, location, avoid being subjected to displacement play between elastic water-proof pad and location waterproof gasket, further strengthen the sealing of whole coupling assembling and tailgate outside plate. In the time there are vibrations in spoiler, elastic water-proof pad can be to positioning screw and spoiler buffering, and under the different speed of a motor vehicle, the vibration frequency of spoiler is different with vibration amplitude, elastic water-proof pad can be offset by self Flexible change the vibrations of spoiler, slows down the self vibration of spoiler. Elastic water-proof pad and location waterproof gasket are all " returning " font, have increased the fitting area of elastic water-proof pad to positioning screw outer surface, have increased the fitting area of location waterproof gasket to alignment pin outer surface, further strengthen sealing. Locating shim is the figure of eight, and locating shim, by elastic water-proof pad and location waterproof gasket parcel and location, strengthens the positioning precision of elastic water-proof pad and location waterproof gasket, reduces elastic water-proof and location waterproof gasket generation play. The axis place of overcoat arranges sliding cavity, and sliding cavity is used for holding inner sleeve, and inner sleeve can be slided in sliding cavity, and the outer pars intramuralis of overcoat arranges ring cavity, and ring cavity is around the axis setting of overcoat, and ring cavity is communicated with sliding cavity. The outer surface of inner sleeve is fitted in interior slip of sliding cavity of overcoat, the axis place of inner sleeve arranges downward opening liner chamber, positioning screw fits tightly at liner inner cavity surface, at the end face axis place in liner chamber, through hole is set, and through hole has been realized being communicated with of liner chamber and sliding cavity. In through hole, be provided with check valve, check valve is can be entered to liner chamber by sliding cavity. The axis place, one end that positioning screw is positioned at inner sleeve inside is provided with positioning chamber, and positioning chamber is communicated with liner chamber, in ring cavity, sliding cavity, liner chamber and positioning chamber, is all filled with hydraulic oil. In the time that spoiler shakes, positioning screw and inner sleeve are with respect to axial relative displacement occurs between overcoat. Positioning screw drives inner sleeve in the time that overcoat direction stretches into, the hydraulic oil of inner sleeve end face in overcoat direction extruding sliding cavity, hydraulic oil in sliding cavity is to the extruding in ring cavity and push the hydraulic oil in ring cavity, meanwhile, also will have through check valve in sliding cavity enters in through hole and pushes the hydraulic oil in positioning chamber. Pressure after hydraulic oil pressurized in sliding cavity, ring cavity, liner chamber and positioning chamber is identical, hydraulic oil after pressurized applies axial reaction force to inner sleeve end face, realize the buffering of inner sleeve, and then realize the buffering of positioning screw, slow down vibration frequency and the vibration amplitude of spoiler. When spoiler vibrations, transmit vibrations to positioning screw, and positioning screw transmits vibrations on the hydraulic oil between inner sleeve and overcoat, hydraulic oil can cause time delay to vibrations, be pressure and the vibrations to hydraulic oil of positioning screw and inner sleeve, and between hydraulic oil reaction force, life period is poor, further strengthen buffering effect, slow down the vibrations of whole spoiler. Because positioning chamber, liner chamber, sliding cavity are identical with the hydraulic fluid pressure in ring cavity, can strengthen the supporting role to positioning screw of hydraulic oil in positioning chamber, prevent positioning screw bend by pressure. Hydraulic oil self has buffering and antihunt action, further reduces the radially vibrations between positioning screw, inner sleeve and overcoat. In like manner, when positioning screw maintains static, when overcoat is followed, between spoiler and positioning screw, axial relative displacement is occurred, overcoat is towards the direction under tension away from positioning screw, overcoat stretches towards the direction away from positioning screw and inner sleeve, hydraulic oil in positioning chamber cannot be discharged by check valve, the volume in sliding cavity, ring cavity and liner chamber is increased, hydraulic oil need to stretch, stretching hydraulic oil will be resisted outside atmospheric pressure, can strengthen equally buffering effect and increase buffering time delay, realize buffering and reduce vibrations. On positioning screw outer wall, offer cannelure, in cannelure, be embedded with loop buffer piece, cannelure can be to loop buffer piece axial limiting, the diameter of loop buffer piece is greater than the diameter of positioning screw, utilize loop buffer piece to increase positioning screw and liner chamber Surface Contact pressure, and then increasing friction force, realize the location between positioning screw and inner sleeve. And can utilize loop buffer piece to increase the sealing between liner chamber and positioning screw, prevent that hydraulic oil from leaking. In the time that positioning screw shakes to inner sleeve transmission, loop buffer piece can radially cushion positioning screw, reduces the relative vibration between positioning screw and inner sleeve, and then reduces the vibrations transmission between inner sleeve and overcoat. The section configuration of lining the outer surface of is square, between inner sleeve and overcoat, cannot relatively rotate, and realizes anti-torsion function, and foursquare lining the outer surface of moment of torsion is even. The section configuration of the outer surface of overcoat is square, realizes the anti-torsion between overcoat and linking arm. Elastic water-proof pad is provided with protruding ring near axis place, protruding ring be embedded into liner chamber inner and with liner chamber interference fit, it is fixing that the liner chamber of inner sleeve can produce the spacing and interference fit of protruding ring, realize the location between elastic water-proof pad and inner sleeve, simultaneously, inside be enclosed within when being given a shock in sliding cavity and being subjected to displacement, protruding ring can be spacing to inner sleeve bottom surface. And utilize protruding ring to strengthen the sealing in liner chamber, prevent that the hydraulic oil in inner sleeve from leaking. On sleeve side wall, be provided with oil-filled hole, because oil-filled hole is connected with ring cavity, can in ring cavity, sliding cavity, liner chamber and positioning chamber, supplement hydraulic oil by oil-filled hole. Producing when assembling, when positioning screw and inner sleeve pack sliding cavity into, can squeezed fluid force feed, utilize hydraulic oil that the air in overcoat is discharged along oil-filled hole, recycle the oil-filled hole of sealing-plug shutoff, be convenient to the assembling of overcoat, inner sleeve and positioning screw.
Should be understood that this embodiment is only not used in and limits the scope of the invention for the present invention is described. In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (9)
1. a preventing water leakage spoiler, comprise the spoiler that is fixed on tailgate outside plate top, it is characterized in that, on described spoiler, be arranged with several linking arms, in linking arm, be embedded with coupling assembling, coupling assembling comprises alignment pin, positioning screw and the locking nut coordinating with positioning screw, positioning screw and alignment pin run through tailgate outside plate, spoiler and tailgate outside plate are fixed by positioning screw and locking nut, positioning screw outside is arranged with elastic water-proof pad, alignment pin outside is arranged with location waterproof gasket, elastic water-proof pad and waterproof gasket outside, location are arranged with locating shim, described elastic water-proof pad and location waterproof gasket are all " returning " font, locating shim is the figure of eight.
2. preventing water leakage spoiler according to claim 1, is characterized in that, described positioning screw outside is arranged with inner sleeve, and inner sleeve outside is arranged with overcoat.
3. preventing water leakage spoiler according to claim 2, is characterized in that, the axis place of described overcoat is provided with the sliding cavity for holding inner sleeve, and the outer pars intramuralis of overcoat is provided with ring cavity around the axis of overcoat, and ring cavity is communicated with sliding cavity; The axis place of inner sleeve is provided with downward opening liner chamber, and positioning screw is positioned at liner chamber, and the end face axis place in liner chamber is provided with through hole, is provided with the check valve that can be entered to liner cavity direction by sliding cavity in through hole; The axis place, one end that positioning screw is positioned at inner sleeve inside is provided with positioning chamber; In ring cavity, sliding cavity, liner chamber and positioning chamber, be all filled with hydraulic oil.
4. preventing water leakage spoiler according to claim 3, is characterized in that, on described positioning screw outer wall, offers cannelure, is embedded with loop buffer piece in cannelure, and the diameter of loop buffer piece is greater than the diameter of positioning screw.
5. preventing water leakage spoiler according to claim 3, is characterized in that, the section configuration of described lining the outer surface of is square, and the section configuration of the outer surface of overcoat is square.
6. preventing water leakage spoiler according to claim 3, is characterized in that, described elastic water-proof pad is provided with protruding ring near axis place, protruding ring embed liner chamber inner and with liner chamber interference fit.
7. preventing water leakage spoiler according to claim 3, is characterized in that, is provided with oil-filled hole on described sleeve side wall, and oil-filled hole is connected with ring cavity, and oil-filled hole place is provided with sealing-plug.
8. one kind according to the installation method of the preventing water leakage spoiler described in any one in claim 1 to 7, it is characterized in that, installation steps are as follows: 1) positioning screw is inserted in the liner chamber of inner sleeve, again inner sleeve is inserted to the sliding cavity of overcoat, be filled with hydraulic oil by oil-filled hole to ring cavity inside, hydraulic oil enters sliding cavity after being full of ring cavity, then enters liner chamber by sliding cavity through check valve, then is entered the positioning chamber of positioning screw by liner chamber; 2) shutoff sealing-plug, is connected as a single entity overcoat, inner sleeve and positioning screw, then is fixed in linking arm on spoiler and with alignment pin and forms coupling assembling; 3) sheathed the first flashing outside positioning screw, sheathed location waterproof gasket outside alignment pin, then locating shim is set in to elastic water-proof pad and waterproof gasket outside, location; 4) spoiler is arranged on tailgate outside plate, now, the alignment pin that has run through location waterproof gasket penetrates in tailgate outside plate, the positioning screw that has run through elastic water-proof pad penetrates in tailgate outside plate, recycling locking nut screw thread is fixed on positioning screw, realizes the fixing of whole preventing water leakage spoiler.
9. the installation method of preventing water leakage spoiler according to claim 8, is characterized in that, utilizes welding manner that locking nut is weldingly fixed on tailgate outside plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511005438.XA CN105644635B (en) | 2015-12-28 | 2015-12-28 | Preventing water leakage spoiler and its installation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511005438.XA CN105644635B (en) | 2015-12-28 | 2015-12-28 | Preventing water leakage spoiler and its installation method |
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| CN105644635A true CN105644635A (en) | 2016-06-08 |
| CN105644635B CN105644635B (en) | 2017-11-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364576A (en) * | 2016-10-21 | 2017-02-01 | 广西大学 | Spoiler mounting structure |
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| CN204472927U (en) * | 2014-11-07 | 2015-07-15 | 上汽通用五菱汽车股份有限公司 | A kind of automobile rear spoiler |
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| JPH07285471A (en) * | 1994-04-21 | 1995-10-31 | Nippon Plast Co Ltd | Air spoiler for automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106364576A (en) * | 2016-10-21 | 2017-02-01 | 广西大学 | Spoiler mounting structure |
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| CN105644635B (en) | 2017-11-24 |
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