CN204726537U - A kind of gas dam locating part, gas dam device and vehicle - Google Patents
A kind of gas dam locating part, gas dam device and vehicle Download PDFInfo
- Publication number
- CN204726537U CN204726537U CN201520335723.7U CN201520335723U CN204726537U CN 204726537 U CN204726537 U CN 204726537U CN 201520335723 U CN201520335723 U CN 201520335723U CN 204726537 U CN204726537 U CN 204726537U
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- gas dam
- gas
- dam
- master arm
- draw
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Abstract
The utility model relates to gas dam locating part, gas dam device and vehicle, gas dam locating part comprises limiting bracket, limiting bracket is provided with master arm, master arm have can in inward-outward direction the deformed end of elastic deformation, the deformed end of master arm is provided with notch towards the right side for being on gas dam and launching position time the draw-in groove of joining with gas dam card, draw-in groove has the front side cell wall and rear side cell wall that to swing from front to back on gas dam or to make draw-in groove move left with deformed end court to being pushed away by gas dam crest during front swing by rear.The utility model provides a kind of gas dam that improves and is launching the gas dam locating part of position stability and using gas dam device and the vehicle of this gas dam locating part.
Description
Technical field
The utility model relates to gas dam locating part, gas dam device and vehicle.
Background technology
The combustion efficiency of fuel during in order to improve high-speed cruising, some self-propelled vehiclees adopt installs gas dam device in the below of vehicle front, the lower ground Clearance that gas dam in gas dam device is formed makes the air-flow that should flow into vehicle bottom flow out from vehicle both sides, high velocity air is avoided directly to impact chassis to reduce the formation of whirlpool, improve the aerodynamic drag of vehicle when high-speed cruising, therefore can lifting vehicle high speed time fuel economy.
During high vehicle speeds, the effect of gas dam reduction air resistance is more obvious, during low speed, then effect is less, and gas dam is arranged on lower vehicle simultaneously, easily damages when running into road barrier, for this reason, the mode of operation needing gas dam can change self is in real time to adapt to the different speed of a motor vehicle, road conditions demand.The existing gas dam device " the passive extensible gas dam for vehicle " disclosed in Chinese patent CN102139671A that can change self mode of operation in real time, comprise the gas dam bottom the front trim panel for being hinged on vehicle, the hinge axes on gas dam along left and right and inward-outward direction direction extended, the rear end of front trim panel is provided with structural beams, coil spring is provided with between front trim panel and gas dam, gas dam has in rotation process to be packed up position and launches position, gas dam can be held in and pack up position by coil spring, when vehicle speed is comparatively up to during to rate of activation, by the direct impact effect of air-flow, gas dam is turning to launching position, when the speed of a motor vehicle reduces, gas dam is pulled to and packs up position by coil spring again, gas dam is when launching position and running into obstacle, can turn over avoiding obstacles further.Existing this gas dam device Problems existing is: spring to the pulling force on gas dam and air the pressure combined action to gas dam make a concerted effort to make gas dam to be held in launch position, due to reasons such as car speed instability or Uneven roads, this makes a concerted effort to be difficult to settle out, this just causes gas dam ceaselessly to rock, produce noise, or even impact reduces the effect to air conducting; Be exactly the bottom that gas dam is articulated with front trim panel in addition, gas dam is when stowed position, and still have part to be exposed in air, this can increase the risk damaged when obstacle is encountered on gas dam; By coil spring, gas dam is exerted a force, if coil spring is longer, the gas dam facing that gas dam then can be caused to be exposed to when stowed position in air is long-pending larger, affect the crossing ability of vehicle, if coil spring is shorter, when gas dam encounter obstacle need thoroughly to overturn backward time, coil spring may because deflection oversteps the extreme limit not resilient, therefore not easily find suitable coil spring.
Utility model content
The purpose of this utility model is to provide a kind of gas dam that improves at the gas dam locating part launching position stability; The purpose of this utility model is also to provide a kind of the gas dam device and the vehicle that use this gas dam locating part.
In order to solve the problem, in the utility model, the technical scheme of gas dam locating part is:
Gas dam locating part, comprise limiting bracket, limiting bracket is provided with master arm, master arm have can in inward-outward direction the deformed end of elastic deformation, the deformed end of master arm is provided with notch inwardly for being on gas dam and launching position time the draw-in groove of joining with gas dam card, draw-in groove have to swing from front to back on gas dam or by the rear draw-in groove that to make to being pushed away by gas dam crest during front swing with the front side cell wall of deformed end movement outwardly and rear side cell wall.
The forward and backward wall of described front side cell wall is that spacing becomes large inclined-plane from the inside to the outside gradually, and the forward and backward wall of described rear side cell wall is that spacing becomes large inclined-plane from the inside to the outside gradually.
Limiting bracket is also arranged at be arranged at intervals on the left of described master arm can in inward-outward direction the auxiliary hold-down arm of elastic deformation, the inner side of auxiliary hold-down arm is provided with for by the bearing surface of described deformed end pushing tow.
In the utility model, the technical scheme of gas dam device is:
Gas dam device, comprise the gas dam having and pack up position and launch position, also comprise gas dam locating part, gas dam locating part comprises limiting bracket, limiting bracket is provided with master arm, master arm have can in inward-outward direction the deformed end of elastic deformation, the deformed end of master arm is provided with notch towards gas dam for being on gas dam and launching position time the draw-in groove of joining with gas dam card, draw-in groove have to swing from front to back on gas dam or by the rear draw-in groove that to make to being pushed away by gas dam crest during front swing with the front side cell wall of deformed end movement and rear side cell wall.
The forward and backward wall of described front side cell wall is that spacing becomes large inclined-plane from the inside to the outside gradually, and the forward and backward wall of described rear side cell wall is that spacing becomes large inclined-plane from the inside to the outside gradually.
Limiting bracket is also provided with described master arm spaced can in inward-outward direction the auxiliary hold-down arm of elastic deformation, auxiliary hold-down arm, gas dam are positioned at the relative both sides of master arm, and the side that auxiliary hold-down arm closes on master arm is provided with for by the bearing surface of described deformed end pushing tow.
In the utility model, the technical scheme of vehicle is:
Vehicle, comprise car body and be arranged at the gas dam device on car body, gas dam device comprises the gas dam having and pack up position and launch position, be provided with for gas dam being limited in the spring packing up position between car body and gas dam, gas dam device also comprises gas dam locating part, gas dam locating part comprises limiting bracket, limiting bracket is provided with master arm, master arm have can in inward-outward direction the deformed end of elastic deformation, the deformed end of master arm is provided with notch towards gas dam for be on gas dam launch position time and the gas dam card draw-in groove of joining, draw-in groove have to swing from front to back on gas dam or by the rear draw-in groove that to make to being pushed away by gas dam crest during front swing with the front side cell wall of deformed end movement and rear side cell wall.
Limiting bracket is also provided with described master arm spaced can in inward-outward direction the auxiliary hold-down arm of elastic deformation, auxiliary hold-down arm, gas dam are positioned at the relative both sides of master arm, and the side that auxiliary hold-down arm closes on master arm is provided with for by the bearing surface of described deformed end pushing tow.
Car body comprises front trim panel and is placed in the structural beams on rear side of front trim panel, and gas dam is articulated with on described structural beams, and the described gas dam packing up position is on the upside of the bottom of described front trim panel, and gas dam is arranged in the zone of negative pressure of described vehicle bottom.
Described spring is clockwork spring, and clockwork spring is placed in spring case, and spring case is fixed on described car body, and clockwork spring is connected with described gas dam by hauling rope.
The beneficial effects of the utility model are: when vehicle speed improves, gas dam swings from front to back, gas dam coordinates draw-in groove is moved with deformed end with the front side cell wall pushing tow of draw-in groove, the front side cell wall of draw-in groove moves rear for gas dam is by open position, such gas dam has just been stuck in draw-in groove, by the position-limiting action of draw-in groove to gas dam, the stability of gas dam when launching position can be improved, if vehicle surprisingly encounters obstacle, gas dam coordinates with the rear side cell wall pushing tow of draw-in groove, draw-in groove dodges gas dam with deformed end, at this moment gas dam can swing backward by deviating from draw-in groove, gas dam is avoided to be damaged, if when the speed of vehicle is lower than rate of activation, spring will haul gas dam, gas dam is pushed draw-in groove open and resets.
Further, gas dam is arranged in the zone of negative pressure of vehicle bottom, when car speed is equal to or higher than rate of activation, gas dam rotates backward by negative pressure effect, gas dam just can be produced by front trim panel lower end and expose subsequently, and front air-flow and negative pressure combined action make gas dam move to and launch position, and the described gas dam packing up position is on the upside of the bottom of described front trim panel, such gas dam can not affect crossing ability during low vehicle speeds, avoids vehicle surprisingly to encounter obstacle.
Further, adopt clockwork spring to apply elastic acting force to gas dam, clockwork spring is connected with gas dam by hauling rope, less to the setting position restriction of clockwork spring like this, contributes to minimum altitude when improving stowed position, gas dam.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of vehicle in the utility model;
Fig. 2 is that gas dam is in when to pack up, and gas dam coordinates schematic diagram with car body;
Fig. 3 be gas dam be in launch position time, gas dam coordinates schematic diagram with car body;
Fig. 4 is gas dam when running into road obstacle, and gas dam coordinates schematic diagram with car body;
When Fig. 5 is Fig. 2 state, gas dam coordinates schematic diagram with gas dam locating part;
When Fig. 6 is Fig. 3 state, gas dam coordinates schematic diagram with gas dam locating part;
Fig. 7 is gas dam when running into road obstacle, and gas dam coordinates schematic diagram with gas dam locating part;
The structural representation of an embodiment of gas dam locating part in Fig. 8 the utility model;
Fig. 9 is the birds-eye view of Fig. 8;
Figure 10 is the structural representation of spring in the utility model.
Detailed description of the invention
The embodiment of vehicle is as shown in Fig. 1 ~ 10: the headlight 2 gentle dam device 4 comprising car body 1 and be arranged on car body, car body 1 comprises front trim panel 12 and is arranged at the structural beams 3 on rear side of front trim panel.Gas dam device comprises the gas dam 5 having and pack up position and launch position, gas dam is arranged in the zone of negative pressure of vehicle bottom, structural beams 3 comprises spaced front installation portion 11, middle installation portion 9 and rear installation portion 15 along the longitudinal direction, gas dam 5 is articulated with the bottom of middle installation portion 9, the bottom of front installation portion and the bottom of rear installation portion are respectively arranged with front limit block 13, the rear limiting stopper 14 of the forward and backward rotational limitation in restriction gas dam, wherein the front rotational limitation on gas dam be namely gas dam pack up position, the gas dam packing up position is on the upside of the bottom of front trim panel 12.Be provided with for gas dam being limited in the spring packing up position between car body and gas dam, in the present embodiment, spring is be arranged at the clockwork spring 21 in caving between front installation portion and middle installation portion, clockwork spring is placed in spring case 10, spring case 10 is fixed on structural beams, clockwork spring is connected with gas dam 5 with hauling rope 8 by transmission ring 20, and the middle part on gas dam is provided with the connecting bore 7 connected for hauling rope.
Gas dam device also comprises the gas dam locating part being arranged at two ends, left and right, gas dam, in the present embodiment, left and right directions is that inward-outward direction gas dam locating part comprises limiting bracket 14, limiting bracket is provided with master arm 16 and can in inward-outward direction the auxiliary hold-down arm 15 of elastic deformation, master arm 14 and auxiliary hold-down arm 15 interval are arranged, the auxiliary gentle dam of hold-down arm 15 5 lays respectively at the relative both sides of master arm, master arm 16 have can in inward-outward direction the deformed end of elastic deformation, one end that auxiliary hold-down arm closes on master arm is provided with the bearing surface for being deformed end pushing tow.The deformed end of master arm is provided with notch towards gas dam for be on gas dam launch position time and the gas dam card draw-in groove 17 of joining, notch refers to that towards gas dam the draw-in groove notch of gas dam, left side locating part is towards the right side, the draw-in groove notch of gas dam, right side locating part is towards a left side, draw-in groove have to swing from front to back on gas dam or by the rear draw-in groove that to make to being pushed away by gas dam crest during front swing with the front side cell wall 18 of deformed end movement and rear side cell wall 19, before the cell wall of front side, rear surface is that spacing becomes large inclined-plane by the right side gradually to front, before described rear side cell wall, rear surface is that spacing becomes large inclined-plane by the right side gradually to front, rear side cell wall protrudes from front side cell wall, this also just means that gas dam needs overcome larger resistance and could continue to swing backwards.
The working process of the gas dam device in the utility model is: when the speed of a motor vehicle is lower than rate of activation, and gas dam is limited in and packs up position by spring, and as shown in Figure 2, gas dam is pressed on corresponding limiting stopper; When car speed is equal to or higher than rate of activation, the negative pressure that gas dam is subject to is greater than the pulling force of spring, gas dam starts to rotate backwards, and when lower end, gas dam is by after producing on the downside of front trim panel, gas dam starts the direct impact being subject to front air-flow, under negative pressure and impulsive force reasonably act on, gas dam continues to rotate, until collide with the front side cell wall of draw-in groove, the front side cell wall that card is wiped is pushed away by gas dam crest, deformed end dodges gas dam thereupon moving, finally gas dam to be stuck in draw-in groove as shown in Figure 3; Rear side cell wall due to draw-in groove protrudes from the front side cell wall of draw-in groove, therefore gas dam needs to overcome larger resistance and could be rotated further backwards, this just makes it possible to be limited in firm for gas dam in draw-in groove, it is more firm that the arranging of auxiliary hold-down arm can make gas dam locate, because if car speed continues to increase within the specific limits, deformed end will be withstood by auxiliary hold-down arm, thus restriction gas dam is rotated further, by the setting of two-layer position limiting structure, the dam that enables to bring about the desired sensation meets the spacing demand of high speed; If vehicle surprisingly encounters obstacle, gas dam coordinates with the rear side cell wall pushing tow of draw-in groove, and now auxiliary hold-down arm also elastic deformation can occur as shown in Figure 4, and gas dam will be deviate from by draw-in groove, and continue to rotate back to another one limiting stopper; If car speed reduces within the specific limits, under spring and stream pressure effect, gas dam again will move in draw-in groove to be limited in and launch position, if car speed obviously reduces, traction gas dam is got back to and packed up position by spring.
In other embodiment of this vehicle: when a gas dam locating part just can be firm gas dam is limited in launch position time, gas dam locating part also can only have one; If the speed of a motor vehicle is not very high, when namely airflow acting force is not very large, auxiliary hold-down arm can not also be established, and rear side cell wall also can not protrude from front side cell wall; Transmission ring also can not be established, and now hauling rope can directly be connected with clockwork spring; Certain clockwork spring also can be replaced by coil spring; The gas dam packing up position also can lower than the bottom of front trim panel, and now gas dam is without the need to being arranged in zone of negative pressure; The front side cell wall of draw-in groove, the two sides of rear side cell wall can also be the planes be arranged in parallel, now need the corresponding end on gas dam to be arranged to ramp structure or spherical structure.
The embodiment of gas dam device is as shown in Fig. 1 ~ 10: the concrete structure of gas dam device is identical with the gas dam device described in above-mentioned each vehicle embodiments, is not described in detail in this.
The embodiment of gas dam locating part is as shown in Fig. 1 ~ 10: the concrete structure of gas dam locating part is identical with the gas dam locating part described in above-mentioned each vehicle embodiments, is not described in detail in this.
Claims (10)
1. gas dam locating part, it is characterized in that: comprise limiting bracket, limiting bracket is provided with master arm, master arm have can in inward-outward direction the deformed end of elastic deformation, the deformed end of master arm is provided with notch inwardly for being on gas dam and launching position time the draw-in groove of joining with gas dam card, draw-in groove have to swing from front to back on gas dam or by the rear draw-in groove that to make to being pushed away by gas dam crest during front swing with the front side cell wall of deformed end movement outwardly and rear side cell wall.
2. gas dam according to claim 1 locating part, is characterized in that: the forward and backward wall of described front side cell wall is that spacing becomes large inclined-plane from the inside to the outside gradually, and the forward and backward wall of described rear side cell wall is that spacing becomes large inclined-plane from the inside to the outside gradually.
3. gas dam according to claim 1 and 2 locating part, it is characterized in that: limiting bracket is also arranged at be arranged at intervals on the left of described master arm can in inward-outward direction the auxiliary hold-down arm of elastic deformation, the inner side of auxiliary hold-down arm is provided with for by the bearing surface of described deformed end pushing tow.
4. gas dam device, comprise the gas dam having and pack up position and launch position, it is characterized in that: also comprise gas dam locating part, gas dam locating part comprises limiting bracket, limiting bracket is provided with master arm, master arm have can in inward-outward direction the deformed end of elastic deformation, the deformed end of master arm is provided with notch towards gas dam for being on gas dam and launching position time the draw-in groove of joining with gas dam card, draw-in groove have to swing from front to back on gas dam or by the rear draw-in groove that to make to being pushed away by gas dam crest during front swing with the front side cell wall of deformed end movement and rear side cell wall.
5. gas dam according to claim 4 device, is characterized in that: the forward and backward wall of described front side cell wall is that spacing becomes large inclined-plane from the inside to the outside gradually, and the forward and backward wall of described rear side cell wall is that spacing becomes large inclined-plane from the inside to the outside gradually.
6. the gas dam device according to claim 4 or 5, it is characterized in that: limiting bracket is also provided with described master arm spaced can in inward-outward direction the auxiliary hold-down arm of elastic deformation, auxiliary hold-down arm, gas dam are positioned at the relative both sides of master arm, and the side that auxiliary hold-down arm closes on master arm is provided with for by the bearing surface of described deformed end pushing tow.
7. vehicle, comprise car body and be arranged at the gas dam device on car body, gas dam device comprises the gas dam having and pack up position and launch position, be provided with for gas dam being limited in the spring packing up position between car body and gas dam, it is characterized in that: gas dam device also comprises gas dam locating part, gas dam locating part comprises limiting bracket, limiting bracket is provided with master arm, master arm have can in inward-outward direction the deformed end of elastic deformation, the deformed end of master arm is provided with notch towards gas dam for be on gas dam launch position time and the gas dam card draw-in groove of joining, draw-in groove have to swing from front to back on gas dam or by the rear draw-in groove that to make to being pushed away by gas dam crest during front swing with the front side cell wall of deformed end movement and rear side cell wall.
8. vehicle according to claim 7, it is characterized in that: limiting bracket is also provided with described master arm spaced can in inward-outward direction the auxiliary hold-down arm of elastic deformation, auxiliary hold-down arm, gas dam are positioned at the relative both sides of master arm, and the side that auxiliary hold-down arm closes on master arm is provided with for by the bearing surface of described deformed end pushing tow.
9. the vehicle according to claim 7 or 8, it is characterized in that: car body comprises front trim panel and is placed in the structural beams on rear side of front trim panel, gas dam is articulated with on described structural beams, the described gas dam packing up position is on the upside of the bottom of described front trim panel, and gas dam is arranged in the zone of negative pressure of described vehicle bottom.
10. vehicle according to claim 9, is characterized in that: described spring is clockwork spring, and clockwork spring is placed in spring case, and spring case is fixed on described car body, and clockwork spring is connected with described gas dam by hauling rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520335723.7U CN204726537U (en) | 2015-05-22 | 2015-05-22 | A kind of gas dam locating part, gas dam device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520335723.7U CN204726537U (en) | 2015-05-22 | 2015-05-22 | A kind of gas dam locating part, gas dam device and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204726537U true CN204726537U (en) | 2015-10-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520335723.7U Withdrawn - After Issue CN204726537U (en) | 2015-05-22 | 2015-05-22 | A kind of gas dam locating part, gas dam device and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204726537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890742A (en) * | 2015-05-22 | 2015-09-09 | 郑州宇通客车股份有限公司 | Stop block for air dam, air dam device and vehicle |
-
2015
- 2015-05-22 CN CN201520335723.7U patent/CN204726537U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890742A (en) * | 2015-05-22 | 2015-09-09 | 郑州宇通客车股份有限公司 | Stop block for air dam, air dam device and vehicle |
| CN104890742B (en) * | 2015-05-22 | 2017-05-31 | 郑州宇通客车股份有限公司 | Air dam locating part, air dam device and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151028 Effective date of abandoning: 20170531 |