JP5340326B2 - Spray device for vehicle tire house - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a spray device for a tire house of a vehicle, and in particular, a spray test for a tire house of a vehicle that accurately reproduces splashes splashed by a vehicle traveling on a road surface wetted with rainwater without driving the vehicle. It relates to the device.

  2. Description of the Related Art Conventionally, there are known apparatuses for reproducing a road surface condition wetted by rainwater or the like and testing tire slip and hydroplaning phenomenon in an automobile, for example, see Patent Document 1 and Patent Document 2.

  The device described in Patent Document 1 is wound around a pair of rotating rollers and rotates, and an endless belt in which a rotating tire is installed on an upper surface of the device, and water that passes under the endless belt are accommodated. The endless belt is rotated in synchronization with the tire. Then, when the endless belt rotates, water is drawn up on the upper water surface of the endless belt due to the viscosity of the water to form a water film, and the tire is rotated on the endless belt provided with this water film to create a running state. It has a structure that can reproduce the road surface condition wet with rainwater.

Japanese Patent Laid-Open No. 2006-153708.

  When the endless belt rotates, the device described in Patent Document 1 has a structure in which water is drawn up on the upper surface of the endless belt due to the viscosity of water to form a water film, and the tire is rotated on the water film. However, with this structure, it is very difficult to reproduce the actual traveling state, particularly traveling at a high speed, on an endless belt stretched over a pair of rollers.

  In addition, a fender liner and a rubber mudguard at the lower rear of the fender liner are installed in the tire house of the vehicle. ing. In the test in the tire house which suppresses the splash and mud splashed up from such a tire, in recent years, the test due to the influence of salt damage or acid rain has been increasing.

  Therefore, in order to test the influence of salt damage or acid rain, it is also conceivable to perform the test by storing salt water or acid water in a water tank through which an endless belt passes. However, when salt water or acidic water is stored in the water tank and the test is performed, there is a concern that the endless belt, the rotating roller, and the like are corroded. For this reason, conventionally, in order to test the influence of salt damage or acid rain, a hose or the like is fixed to the tire ground contact surface in another place, and salt water or acid water is removed from the hose without running the vehicle. The method of spraying inside and testing was adopted.

  However, with a method in which a hose or the like is fixed to the tire grounding surface and the test is performed by spraying salt water or acidic water from the hose into the tire house without running the vehicle, it can be easily applied to various vehicles having different tire sizes. I can't respond. For this reason, there is a problem that it is difficult to accurately reproduce the splashing splashed by the vehicle traveling on the road surface without causing the vehicle to travel.

  Therefore, a spray device for a tire house of a vehicle that can easily cope with a wide variety of vehicles having different tire sizes and can accurately reproduce the splashing splashed by the vehicle traveling on the road surface without actually traveling the vehicle. Therefore, a technical problem to be solved arises in order to provide this, and the present invention aims to solve this problem.

The present invention has been proposed in order to achieve the above object, and the invention according to claim 1 is a vehicle tire house that reproduces water splashing and the like in which the test water is sprayed into the tire house of the vehicle and the tire springs up. It met use spray device,
A base disposed movably on the installation surface of the tire;
A stay attached to the base that enables vertical adjustment and movement adjustment in the front-rear direction with respect to the tire;
A pipe-shaped nozzle member attached to the stay by providing a spray port for spraying the test water at the tip and providing a water suction port to which the hose supplying the test water is connected at the other end;
In a tire house spray device for a vehicle comprising :
The vertical adjustment of the stay attached to the base is adjusted by adjusting the protruding amount of the expansion / contraction auxiliary member provided on the upper end side of the stay main body and fixing it with a lock lever.
The movement of the stay in the front-rear direction is adjusted by making the lower end side of the stay main body slidable in a guide hole for stay provided in the front-rear direction on the base and fixing it with a lock lever.
A spray device for a tire house of a vehicle is provided.

  According to this configuration, the position of the nozzle member in the front-rear direction can be switched by moving the stay in the front-rear direction with respect to the base. Further, the position of the nozzle member in the height direction can be switched by extending or retracting the stay. Further, the switching of the position of the nozzle member in the left-right direction can be switched by moving the nozzle member in the left-right direction with respect to the stay. In this way, by adjusting the position of the nozzle member in the front and rear, top and bottom, and left and right directions, the position of the spray port for spraying the test water can be adjusted, which makes it possible for a wide variety of vehicles with different tire sizes. On the other hand, the test can be performed under the same conditions using the same tire house spraying device.

  According to a second aspect of the present invention, there is provided the vehicle according to the first aspect, wherein the base is provided with a pair of positioning fixing bars for positioning the front and rear of the tire so as to protrude from the base in the left-right direction of the tire. A tire house spray device is provided.

  According to this configuration, by positioning the pair of positioning fixing bars in the front and rear of the tire, the apparatus can be easily positioned at a predetermined position with respect to the tire.

  A third aspect of the present invention is the vehicle tire house according to the first or second aspect, wherein the nozzle member is provided with at least two or more spraying ports disposed on the left and right sides of the tire. A spraying device is provided.

  According to this configuration, the test can be performed by spraying test water into the tire house in a state closer to the time when the vehicle is running by using two or more nozzle members separated from each other on the left and right.

  According to a fourth aspect of the present invention, in the vehicle tire house according to the first, second, or third aspect, the stay having the nozzle member is provided on the base at least two apart in the front-rear direction. A spraying device is provided.

  According to this configuration, the test can be performed by spraying test water into the tire house in a state closer to the time when the vehicle travels by using two or more nozzle members separated forward and backward.

  According to a fifth aspect of the present invention, in the configuration of the first, second, third, or fourth aspect, the nozzle member rotates in the vertical direction with respect to the stay, and the test water spray angle of the spray port is set in the vertical direction. There is provided a spray device for a tire house of a vehicle that is adjustably attached to the vehicle.

  According to this configuration, the angle of the spray port of the nozzle member can be adjusted in the vertical direction, and the test can be performed by spraying test water into the tire house in a state closer to when the vehicle is running.

  A sixth aspect of the present invention is the spray device for a tire house of a vehicle according to the first, second, third or fourth aspect, wherein the nozzle member is attached to the stay so as to be movable and adjustable in the left-right direction. I will provide a.

  According to this configuration, the test can be performed by adjusting the angle of the spray port of the nozzle member in the left-right direction and spraying test water into the tire house in a state closer to when the vehicle is running.

  A seventh aspect of the present invention is the vehicle tire according to the first, second, third, fourth, fifth or sixth aspect, wherein the nozzle member is provided so as to be connectable to a hose supplying a muddy water-like substance. A house spraying device is provided.

  According to this configuration, a muddy water-like substance can be sprayed into the tire house for testing.

According to the first aspect of the present invention, a variety of vehicles having different tire sizes can be easily tested under the same conditions using the same tire house spraying device. It is not necessary to prepare a spraying device, and the storage management is simple and the management space is small. This improves economy.
Further, the vertical adjustment of the stay attached to the base is performed by adjusting the protruding amount of the expansion / contraction auxiliary member provided on the upper end side of the stay main body and fixing it with a lock lever. The adjustment of the movement of the stay in the front-rear direction is carried out by passing the test water through the stay guide hole provided in the front-rear direction on the base so that the lower end side of the stay body can be slid and fixed with a lock lever. The position of the spray port to be sprayed can be variably adjusted in the front-rear direction, and the height direction position of the spray port can be variably adjusted to appropriately correspond to the tire size, and the splashing of the tire can be accurately reproduced. be able to.

  In the invention according to claim 2, the front and rear positions of the tire and the tire house spraying device can be easily positioned by a pair of positioning fixing bars, and the test can be performed under the same conditions. In addition to the effect, the reliability of the test is improved.

  Since the invention according to claim 3 can test by spraying test water into the tire house in a state closer to when the vehicle is running, using two or more spray ports separated from each other on the left and right. Alternatively, in addition to the effects of the invention described in 2, the test reliability is further improved.

  Since the invention according to claim 4 can test by spraying test water into the tire house in a state closer to when the vehicle is running, using two or more nozzle members separated from each other in the front-rear direction. , 2 or 3, in addition to the effects of the invention, the reliability of the test is further improved.

  According to the fifth aspect of the present invention, the test can be performed by adjusting the angle of the spray port of the nozzle member in the vertical direction and spraying test water into the tire house in a state closer to when the vehicle is running. , 2, 3 or 4, in addition to the effects of the invention, the reliability of the test is further improved.

  According to the sixth aspect of the present invention, the test can be performed by adjusting the angle of the spray port of the nozzle member in the left-right direction and spraying test water into the tire house in a state closer to when the vehicle is running. , 2, 3 or 4, in addition to the effects of the invention, the reliability of the test is further improved.

  Since the invention according to claim 7 can be tested by spraying a muddy water substance into the tire house, in addition to the effect of the invention according to claim 1, 2, 3, 4, 5 or 6, A more realistic test can be performed.

The arrangement block diagram which shows the state which is testing using the tire house spraying apparatus which concerns on this invention. The top view of the spray apparatus for tire houses same as the above. The side view of the spray apparatus for tire houses same as the above. AA line expanded sectional view of FIG.

  The present invention provides a spray device for a tire house of a vehicle that can be applied to a wide variety of vehicles having different tire sizes and can accurately reproduce the splashing splashed by the vehicle traveling on the road surface without actually traveling the vehicle. In order to achieve the object of the present invention, in a vehicle tire house spraying device that reproduces the splash of test water sprayed into the tire house of the vehicle and splashing the tire, it is movably disposed on the ground contact surface of the tire. A base that is installed, a stay attached to the base that enables vertical expansion and contraction adjustment and movement adjustment in the front-rear direction with respect to the tire, and a spray port that sprays the test water on the tip. A pipe-shaped nozzle member attached to the stay by providing a water supply port to which a hose for supplying the test water is connected on the other end side. Ri was realized.

  Hereinafter, one example of a spray device for a tire house according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 4.

  FIG. 1 is an arrangement configuration diagram showing a state in which a test is performed to reproduce the splashing of a tire that is sprayed by spraying test water onto the tire house using the tire house spray device according to the present invention. .

  In the figure, a vehicle 11 to be tested, which is referred to as an “automobile”, has tires 12 arranged on the left and right of the front part and on the left and right of the rear part, and a tire house 13 is provided above each tire 12. The tire house 13 is also called a wheel house or a tire housing and constitutes a part of the vehicle body. The tire house 13 is made of metal and is shaped to cover the top of the tire 12.

  A surface of the tire house 13 on the tire 12 side is an outer surface of the automobile, and a fender liner (not shown) is attached to the tire house 13 so as to cover the outer surface.

  The fender liner prevents the body panel from being damaged by pebbles, muddy water, and the like that the tire 12 jumps from the road surface while the automobile 11 is traveling, and road noise generated by the tire 12 and the contact surface road surface E It is an exterior part of an automobile for reducing noise. Therefore, the fender liner is made of a material having good rigidity, durability, and sound absorption, and whether or not the attached fender liner is satisfactory in terms of durability and sound absorption is actually various. One example is a test in which rainwater or salt water test water is sprayed into the tire house 13 using the tire house spraying apparatus 20 of the present embodiment.

  As shown in FIG. 1, the tire house spraying device 20 for spraying the rainwater or salt water test water into the tire house 13 includes the tires 12 disposed on the left and right of the front and the left and right of the rear, respectively. 12, 12 and 12 are arranged in the vicinity. Further, the position and number of the tire house spraying device 20 are different depending on the test, and in this embodiment shown in the figure, the front left and right tires 12, 12 and the rear left and right tires 12, An example is shown in which the test is performed by arranging the test at all 12 positions.

  Next, the structure of the tire house spraying device 20 will be described in more detail with reference to FIGS. The tire house spraying apparatus 20 includes a base 21, a first positioning and fixing bar 22 a, a second positioning and fixing bar 22 b, a stay 23, and a nozzle member 25.

  The base 21 is a member formed of a plate-shaped steel plate extending in the front-rear direction of the automobile 11, and as shown in FIG. 4, the upper surface portion 21a and the left and right end portions of the upper surface portion 21a are directed outward. The left and right inclined surface portions 21b and 21c that incline and the suspended lower surface portions 21d and 21e that extend straight downward from the lower end portions of the inclined surface portions 21b and 21c, respectively, are integrally formed, the lower surface is opened, and the interior Is formed as a base having a hollow polygonal cross section.

  A stay guide hole 26 extending in the front-rear direction is formed in the upper surface portion 21 a of the base 21. A second positioning and fixing bar guide hole 27 extending in the front-rear direction is formed in the inclined surface portion 21 b of the base 21 facing the vehicle body.

  The first positioning and fixing bar 22a protrudes outward at a substantially right angle along the grounding surface E from the suspended surface 21d disposed to face the vehicle body of the base 21, and is fixed to the suspended surface 21d. Attached.

  One end side of the second positioning and fixing bar 22b is attached to the second positioning and fixing bar guide hole 27 of the base 21 via the bracket member 28, and the other end side extends along the grounding surface E from the drooping surface 21d. It protrudes outward at a substantially right angle and is arranged in a state substantially parallel to the first positioning and fixing bar 22a. The bracket member 28 is slidably engaged in the second positioning and fixing bar guide hole 27. The bracket member 28 has a lock lever 28a. The lock lever 28a can be slid in the second positioning / fixing bar guide hole 27 and non-slidable by the lock / unlock operation of the lock lever 28a. It can be switched.

  The second positioning and fixing bar 22b can be moved along the second positioning and fixing bar guide hole 27 together with the bracket member 28 when the lock lever 28a is unlocked. 2 The distance between the positioning and fixing bar 22b and the first positioning and fixing bar 22a can be adjusted. After the adjustment, when the lock lever 28a is switched to the locked state, the bracket member 28 is fixed, and the second positioning fixing bar 22b can be fixed at that position.

  A pair of stays 23 are provided in parallel in the front and rear. Each stay 23, 23 includes a main body 23a and an expansion / contraction auxiliary member 23b. The lower end side of the main body 23 a is slidably engaged with and attached to the stay guide hole 26 via a bracket member 29. Each bracket member 29, 29 is slidably engaged in the stay guide hole 26, and has a lock lever 29a. When the lock lever 29a is locked / unlocked, The guide hole 26 can be switched between a slidable state and a non-slidable state.

  The stays 23 and 23 can be moved along the stay guide holes 26 together with the bracket members 29 and 29 when the lock levers 29a and 29a are unlocked. The distance between the stays 23 and 23 and the position on the base 21 can be adjusted. After the adjustment, when the lock levers 29a and 29a are switched to the locked state, the bracket members 29 and 29 are respectively fixed, and the stays 23 and 23 can be fixed at the positions.

  Further, the expansion / contraction assisting members 23b and 23b provided on the upper end sides of the main body portions 23a and 23a are provided to be extendable and contractable with respect to the main body portions 23a and 23a, respectively. The expansion / contraction operation of the expansion / contraction assisting members 23b, 23b with respect to the main body portions 23a, 23a can be switched between a state in which expansion / contraction adjustment is possible and a state in which expansion / contraction adjustment is not possible by a lock / unlock operation of the lock levers 23c, 23c. ing.

  The expansion / contraction assisting members 23b and 23b of the stays 23 and 23 protrude from the main body portions 23a and 23a of the expansion / contraction assisting members 23b and 23b when the lock levers 23c and 23c are unlocked. The overall length of each of the stays 23, 23 can be expanded and contracted. In addition, after the adjustment, when the lock levers 23c and 23c are switched to the locked state, the positions of the expansion / contraction auxiliary members 23b and 23b can be fixed.

  The nozzle member 25 is attached to the upper end portions of the expansion / contraction auxiliary members 23b, 23b of the stays 23, 23 via a bracket member 31 so as to be slidable in the left-right direction of the vehicle body. The nozzle member 25 is a pipe-like member, has a pair of spray nozzles 25a, 25a provided with spray ports for spraying test water at the tip, and a water supply port 25b for supplying test water to the other end side. have.

  The bracket members 31, 31 can be rotated in the horizontal direction and the vertical direction, and the nozzle member 25 is held movably in the left-right direction with respect to the expansion / contraction auxiliary members 23b, 23b. Further, each of the bracket members 31 and 31 has a lock lever 31a. By the lock / unlock operation of the lock levers 31a and 31a, the nozzle members 25 and 25 are rotated in the horizontal direction and the vertical direction and in the left and right direction. The movement of can be adjusted.

  When the lock levers 31a and 31a are unlocked, the bracket members 31 and 31 rotate the bracket members 31 and 31 in the horizontal direction and the vertical direction to spray the spray nozzles 25a and 25a. The direction of the spray nozzles 25a and 25a can be adjusted by moving them in the left-right direction. After the adjustment, the positions of the bracket members 31 and 31 relative to the auxiliary members 23a and 23a can be fixed by switching the lock levers 23a and 23a to the locked state.

  When the tire house spraying device 20 configured as described above is set to perform a test, the first positioning and fixing device is first fixed to the front side or the rear side of the tire 12 of the automobile 11 that is transported to the test position. The base 21 is positioned with respect to the tire 12 by contacting the bar 22a. Thereafter, the lock by the lock bar 28 a is loosened, the second positioning and fixing bar 22 b is moved forward or rearward, and the second positioning and fixing bar 22 b is brought into contact with the rear or front side of the tire 12. When the second positioning and fixing bar 22b comes into contact with the tire 12, the lock bar 28a is locked. Thereby, the position of the base 21 in the front-rear direction is determined.

  Next, the position of the stays 23 and 23 and the height and orientation of the nozzle member 25 are adjusted, and the position and orientation of the spray nozzles 25a and 25a to spray test water into the tire house 13 are adjusted. . And after adjusting the position and direction of the said spray nozzles 25a and 25a in this way, test water is sent in from the water supply port 25b of the said nozzle member 25. FIG. When the test water is thus supplied into the nozzle member 25, the test water is sprayed into the tire house 13 from the spray nozzles 25a, 25a. Further, by adjusting the pressure of the test water supplied into the nozzle member 25, the state in which the tire 12 jumps up water or the like during vehicle travel is reproduced and tested without running the automobile 11. be able to.

  This test can be performed in any place, not limited to indoor and outdoor. When the test with supplying the test water is completed, the pipe for feeding the test water connected to the water supply port 25b of the nozzle member 25 is removed, and then the pipe for feeding the air is attached. Air is blown into the member 25 to completely remove the test water accumulated in the nozzle member 25, so that the spray nozzles 25 a and 25 a are clogged and rust is generated in the nozzle member 25. To prevent.

  In the tire house spray device 20 of this embodiment configured as described above, the position of the nozzle member 25 in the front-rear direction is switched by moving the stay 23 relative to the base 21 in the front-rear direction. Further, the switching of the position of the nozzle member 25 in the height direction can be switched by adjusting the extension and contraction of the auxiliary member 23b with respect to the main body portion 23a of the stay 23. The switching of the horizontal position and the vertical direction of the spray nozzle 25a can be switched by sliding and rotating the nozzle member 25 with respect to the auxiliary member 23a. Therefore, it is possible to perform tests under the same conditions using the same tire house spraying device 20 by switching and adjusting the position and orientation of various automobiles having different tire sizes.

  Moreover, although the case where rain water or salt water is sprayed as test water has been described in the above embodiment, a hose that supplies a muddy water substance is connected to the water supply port 25b of the nozzle member 25, and the nozzle member 25 is connected. Therefore, it is possible to supply a muddy water-like substance into the tire house 13, and if a muddy water-like substance is supplied, a more realistic test can be performed.

  It should be noted that the present invention can be variously modified without departing from the spirit of the present invention, and the present invention naturally extends to the modified ones.

  The present invention can be applied as a device for spraying muddy water or the like in addition to spraying salt water or acidic water into a tire house for testing.

DESCRIPTION OF SYMBOLS 11 Test vehicle automobile 12 Tire 13 Tire house 20 Tire house spraying device 21 Base 21a Upper surface part 21b, 21c Inclined surface part 21d, 21e Hanging lower surface part 22a First positioning fixing bar 22b Second positioning fixing bar 23 First stay 23a Main body part 23b Telescopic auxiliary member 23c Lock lever 25 Nozzle member 25a Spray nozzle spray port 25b Water supply port 26 Stay guide hole 27 Second positioning fixing bar guide hole 28 Bracket member 28a Lock lever 29 Bracket member 29a Lock lever 30 Bracket member 30a Lock lever 31 Bracket member 31a Lock lever E Grounding surface

Claims (7)

We met tire house spray device for a vehicle to reproduce the spray such as tire thrown up by spraying the test water in the tire house of the vehicle,
A base disposed movably on the installation surface of the tire;
A stay attached to the base that enables vertical adjustment and movement adjustment in the front-rear direction with respect to the tire;
A pipe-shaped nozzle member attached to the stay by providing a spray port for spraying the test water at the tip and providing a water suction port to which the hose supplying the test water is connected at the other end;
In a tire house spray device for a vehicle comprising :
The vertical adjustment of the stay attached to the base is adjusted by adjusting the protruding amount of the expansion / contraction auxiliary member provided on the upper end side of the stay main body and fixing it with a lock lever.
The movement of the stay in the front-rear direction is adjusted by making the lower end side of the stay main body slidable in a guide hole for stay provided in the front-rear direction on the base and fixing it with a lock lever.
A vehicle tire house spraying device.   2. The spray for a tire house of a vehicle according to claim 1, wherein the base is provided with a pair of positioning fixing bars for positioning the front and rear of the tire so as to protrude from the base in the left-right direction of the tire. apparatus.   The spray device for a tire house of a vehicle according to claim 1 or 2, wherein the nozzle member is provided with at least two or more spray ports arranged at left and right positions with the tire interposed therebetween.   4. The spray device for a tire house of a vehicle according to claim 1, wherein at least two stays to which the nozzle member is attached are provided apart from each other in the front-rear direction on the base.   5. The nozzle member is attached so as to be pivotable in the vertical direction with respect to the stay so that the test water spray angle of the spray port can be adjusted in the vertical direction. The vehicle tire house spray device according to claim.   The spray device for a tire house of a vehicle according to claim 1, 2, 3, or 4, wherein the nozzle member is attached to the stay so as to be movable in the left-right direction.   The spray device for a tire house of a vehicle according to claim 1, 2, 3, 4, 5 or 6, wherein the nozzle member is provided so as to be connectable to a hose for supplying a muddy water-like substance.

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