CN2908604Y

CN2908604Y - Roadblock mark

Info

Publication number: CN2908604Y
Application number: CNU2006200066264U
Authority: CN
Inventors: 曾国恒
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-23
Filing date: 2006-02-23
Publication date: 2007-06-06
Anticipated expiration: 2016-02-23

Abstract

The utility model discloses a barricade alarming device, including a seat, a bursa body and a inflating device. The seat is provided with a base board, a shell and a containing space decided by the base board and the shell. The bursa body can be folded and set on the bursa body and decides certain inflating space. The inflating device is provided with a valve in containing space, a air tube connecting to the inflating space and valve and an inflating unit on one side of the valve fore charging air into the inflating space through air tube. Therefore, the bursa body is like a cone when the inflating space is full of air during use. On the other hand, the bursa body can be folded for storage to save storage space in the unused state.

Description

The roadblock attention device

Technical field

The utility model relates to a kind of roadblock attention device, particularly relates to a kind of type inflatable roadblock attention device.

Background technology

As shown in Figure 1, it is other with the warning marker as vehicle and pedestrian that general roadblock attention device 10 is positioned over builder's road, roadblock attention device 10 comprises a base 11, an and cone 12 of extending up by base 11 end faces, base 11 and cone 12 are one-body molded and be that plastic material is made, cone 12 external surface Pasting reflection alarming labels (figure does not show) are with the warning function of increase roadblock attention device 10 at night, yet roadblock attention device 10 volumes of this type are big, easily take up space during collection.

As shown in Figure 2, the roadblock attention device 20 of another kind of extensive use comprises the base 13 of a plastic material equally, an and cone 14, cone 14 is that a soft air-locked cloth or plastic skin are made, cone 14 external surface proximate base 13 places are provided with one can be for the valve 131 of inflation usefulness, can be in the time will using via valve 131 to cone 14 inner inflatable, make cone 14 generally be vertical, in the time will collecting, can cone 14 gas inside be discharged by valve 131, make cone 14 make things convenient for folding and the volume when reducing to collect.Yet roadblock attention device 20 weight of this type are lighter, and only support by base 13, therefore topple over easily when wind is big or are blown away, and can't reach the effect of caution.

The utility model content

A purpose of the present utility model is to provide a kind of type inflatable roadblock attention device of collecting and not taking up space of being easy to.

The utility model roadblock attention device comprises a base, a utricule and an aerating device.

Base has a substrate, and is arranged at housing on the substrate, and an accommodation space that is defined jointly by substrate and housing.But be arranged on the housing to the utricule folding, and define a plenum space.Aerating device has valve body, a tracheae that is connected with plenum space and valve body that is arranged in the accommodation space, reaches one and is arranged at valve body one side in order to throw gas in the plenum space the unit of inflating via tracheae.

Valve body comprises that one is arranged at body on the substrate, and is defined and the gas flow, that is connected with tracheae is formed at the first side wall of body one side by body, and one be arranged at the first side wall outside and with inflate first leg that the unit engages, this first side wall has at least onely to be made gas flow and inflates the air inlet that the unit is connected.

Inflating the unit comprises that one is arranged on the substrate and the hollow shell, that is engaged in first leg is arranged in the hollow shell movably and throw gas the inflating rod of gas flow into, and one is arranged in the first side wall and covers on the check valve sheet of air inlet inboard.

Inflating the unit comprises that one is arranged on the substrate and the hollow shell, that is engaged in first leg is arranged at the outer motor, of hollow shell and is arranged at and engages in the hollow shell and with motor gas is thrown into the flabellum of gas flow, reaches one and is arranged in the first side wall and covers on the check valve sheet of air inlet inboard.

Can make gas flow to gas flow through air inlet away from air inlet during gas pressure in check valve sheet is subjected to hollow shell, then covering on the gas that makes on the air inlet in the gas flow during gas pressure in check valve sheet is not subjected to hollow shell can't be in air inlet flows to hollow shell.

Valve body comprises second sidewall by the extension of body opposite side peripheral region radial outward, and second leg that axially extends outwardly by the second sidewall periphery, aerating device also has one and is arranged at the venting unit of second leg in order to the gas in the plenum space is discharged via tracheae, the venting unit comprises a lid that engages with second leg, one is arranged at the pressing plate in second leg, one is arranged at the flexible member between the first side wall and the pressing plate, one is bolted in the middle of the lid place and can orders about that pressing plate moves and part is exposed the outer degassing button of housing, and one be arranged in second leg and be connected to the waterproof gasket of second sidewall, and lid has at least one steam vent that gas flow is connected with the outside.

When degassing button is threaded to one when holding one's breath the position, pressing plate is connected to this waterproof gasket, the gas in the gas flow can't be discharged, via steam vent when degassing button is threaded to a deflation position, flexible member orders about pressing plate away from waterproof gasket, and the gas in the gas flow is discharged via steam vent.

The roadblock attention device also comprise one be arranged on the substrate and the luminescence unit, that is positioned at utricule below in order to the extraneous brightness of sensing and control the photosensitive unit of luminescence unit brightness in good time, one is arranged on the substrate and the power-supply unit that is electrically connected with photosensitive unit and luminescence unit, and one is arranged at the switch element that opens and closes in order to the control power-supply unit on the substrate.Luminescence unit comprises that a reflection shield, that is arranged on the substrate is arranged at the interior first circuit board of reflection shield, an and light-emitting component that is electrically connected on the first circuit board, photosensitive unit comprises that one is arranged on the substrate and the second circuit board that is electrically connected with first circuit board, and one be electrically connected on the second circuit board can be with the different and corresponding light resistor that produces different resistance values of extraneous brightness.

The roadblock attention device comprises that also one is arranged on the substrate and is positioned at the counterweight of aerating device opposite side, and counterweight is the bag that an inside can ccontaining liquid, also can be a hard block.

The embodiment of the utility model roadblock attention device inflates the plenum space of utricule by the unit of inflating of aerating device, therefore when user mode, the general tapered shape of utricule meeting, and by the configuration of counterweight, base can firmly be located, and the situation that blown away or topple over by wind can not take place.On the other hand, by the venting unit of aerating device the plenum space gas of utricule is discharged, therefore when obsolete state, but the utricule folding and can reduce taking of collection space so that collection.In addition, by extraneous brightness of photosensitive unit senses and the brightness of control luminescence unit in good time, heal when dark when extraneous brightness, light-source brightness that luminescence unit sends is brighter, makes the brightness of utricule more showy, with the raising warning function at night.

Description of drawings

Below by most preferred embodiment and accompanying drawing the utility model roadblock attention device is elaborated, in the accompanying drawing:

Fig. 1 is a stereogram of general roadblock attention device.

Fig. 2 is a stereogram of another kind of general roadblock attention device.

Fig. 3 is a stereogram of the first preferable enforcement of the utility model roadblock attention device.

Fig. 4 is a three-dimensional exploded view of this first preferred embodiment.

Fig. 5 is a three-dimensional exploded view of this first preferred embodiment.

Fig. 6 is a stereogram of a housing of this first preferred embodiment.

Fig. 7 is a stereogram of a substrate of this first preferred embodiment.

Fig. 8 is a stereogram of this first preferred embodiment, illustrates that a utricule is assembled on this housing.

Fig. 9 is a stereogram exploded view of an aerating device of this first preferred embodiment.

Figure 10 is the stereogram of a valve body of this first preferred embodiment.

Figure 11 is a cross-sectional schematic of being got along the straight line 11-11 among Fig. 4, illustrates that one inflates the unit gas is thrown in the gas flow of this valve body.

Figure 12 one is similar to the cross-sectional schematic of Figure 11, illustrates that the gas in this gas flow is disposed to the outside via the steam vent of a lid.

Figure 13 is a stereogram of this first preferred embodiment, and the state after the air bag folding of this utricule is described.

One flow process calcspar of this first preferred embodiment of Figure 14.

One circuit diagram of this first preferred embodiment of Figure 15.

Figure 16 is a three-dimensional exploded view of the second preferable enforcement of the utility model roadblock attention device.

Figure 17 is a three-dimensional exploded view of this second preferable enforcement.

Figure 18 is a cross-sectional schematic of this second preferable enforcement.

Figure 19 is a cross-sectional schematic of this second preferable enforcement.

Figure 20 is a three-dimensional exploded view of the 3rd preferable enforcement of the utility model roadblock attention device.

Figure 21 is a three-dimensional exploded view of the 4th preferable enforcement of the utility model roadblock attention device.

The specific embodiment

Aforementioned and other technology contents, characteristics and effect of the present utility model in the following detailed description that cooperates with reference to four graphic preferred embodiments, can clearly be understood.

Before the utility model is described in detail, be noted that in the following description content similar elements is to represent with identical numbering.

As shown in Figures 3 and 4, be first preferred embodiment of the utility model roadblock attention device, this roadblock attention device 200 comprises that a base 2, is arranged at utricule 3 on the base 2, is arranged at a counterweight 4, a luminescence unit 5, a photosensitive unit 6, a power-supply unit 7, a switch element 8 and an aerating device 9 in the base 2 respectively.

As Fig. 4, Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, base 2 comprises the accommodation space 23 that housing 22 on substrate 21 of the substrate 21 that without exception is square, a screw lock, is defined jointly by substrate 21 and housing 22, and most the keepers 24 that are arranged at housing 22 roof bottom surfaces.Place, substrate 21 contiguous front side prolongs left and right directions and is arranged at intervals with four following bolsters 211, the contiguous rear side of substrate 21 places are provided with four locating parts 212 that generally are accumbency L type, two locating parts 212 are adjacent to place, substrate 21 left sides at interval, 212 intervals of two locating parts are adjacent to place, substrate 21 right sides in addition, again, convex with four cylinders 213 on the substrate 21, per two cylinders 213 are located at interval between the locating part 212 of two left and right directions configuration, and the cylinder 213 of per two fore-and-aft directions configuration is provided with a microscler banking stop 214, and this banking stop 214 is positioned on the cylinder 213 by the mode of screw 215 lockings.In addition, the place prolongs fore-and-aft direction and is arranged at intervals with two protuberances 216 in the middle of the substrate 21, and place, contiguous left side prolongs fore-and-aft direction and is arranged at intervals with two reference columns 217.

Housing 22 comprises the projection 222 that the circular open 221 of being located at the roof place, most are located on roof bottom surface and adjacent openings 221 places and can be halved together with the latch 241 of described keeper 24, and four prolong left and right directions be arranged at intervals at the roof bottom surface and with following bolster 211 positions corresponding on bolster 223, again, housing 22 right side wall places are provided with the guide groove 224 that without exception is cross.

Utricule 3 comprises a rounded transparent substrate 31, and one be fused on the substrate 31 and be the air bag 32 of polyvinyl chloride (PVC) material, substrate 31 defines a plenum space 33 jointly with air bag 32, substrate 31 contiguous peripheral regions are provided with most the perforation 311 that supply latch 241 to wear, and substrate 31 bottom surfaces are provided with one and make plenum space 33 and outside first valve 312 that is connected, and air bag 32 external surface adjacent top end places are pasted with two reflection alarming labels 321 separately.When assembling utricule 3 and housing 22, utricule 3 is passed opening 221 by housing 22 bottom surfaces, make substrate 31 cover on the roof bottom surface of housing 22, and each perforation 311 is corresponding to each projection 222 position, pass perforation 311 backs by the latch 241 of keeper 24 and be halved together with projection 222, the substrate 31 that is about to utricule 3 is positioned on the housing 22.

Luminescence unit 5 comprises that one is arranged at the reflection shield of locating in the middle of the substrate 21 51, one is arranged at the first circuit board 52 in the reflection shield 51, an and light-emitting component 53 that is electrically connected on the first circuit board 52, light-emitting component 53 is a light emitting diode (LED), reflection shield 51 has one for the ccontaining basic shell 511 of first electroplax 52, and one be arranged on the basic shell 511 and gather the cover body 512 that back reflection is gone out in order to the light source that light-emitting component 53 is sent, these cover body 512 top peripheral regions protruded out outwardly two with the corresponding lug 513 in protuberance 216 positions, in the middle of protuberance 216 is arranged in lug 513, locate, cover body 512 can firmly be positioned on the substrate 21.

Photosensitive unit 6 comprises an and second circuit board 61 that with first circuit board 52 be electrically connected corresponding with reference column 217 positions; and one be electrically connected on the second circuit board 61 and can be with the different and corresponding light resistor (CDS) 62 that produces different resistance values of extraneous brightness; second circuit board 61 is positioned reference column 217 by the screw lock mode; and be electrically connected with first circuit board 52 with lead (figure does not show); light resistor 62 outer cover are provided with a stay pipe 63; an and top cover 64 that is covered on stay pipe 63 tops; these stay pipe 63 bottoms are fixed in second circuit board 61 end faces, do not produce bending or impaired situation because of the influence of external force in order to protection light resistor 62.

Power-supply unit 7 comprises that one is arranged at substrate 21 and contiguous protuberance 216 right sides and opening and is arranged at battery 72 in the battery case 71 towards the battery case 71, two of bottom surface, an and battery cover 73 that removably is covered on battery case 71 opening parts, battery case 71 adjacent openings places are provided with the groove 711 of rectangular shape without exception, reach a waterproof washer 712 that is arranged in the groove 711, in addition, by the configuration of lead, the battery 72 of power-supply unit 7 is electrically connected respectively with the first circuit board 52 of luminescence unit 5 and the second circuit board 61 of photosensitive unit 6.

Switch element 8 comprises that one is arranged at substrate 21 and is positioned at the pedestal 81 that battery case 71 front sides have perforate 811, one is arranged on the pedestal 81 and can partly exposes to the following gum cover 82 that push for the user at perforate 811 places, an and last gum cover 83 that is arranged at down on the gum cover 82, on, following gum cover 83,82 are positioned on the pedestal 81 by the screw lock mode, and on, following gum cover 83, be provided with a touch switch 84 that is electrically connected with power-supply unit 7 in 82, touch switch 84 bottom sides are arranged with a fitting 841 that connects with following gum cover 82, by ordering about touch switch 84 starts to control the open and close of power-supply unit 7 by depressing gum cover 82.

Counterweight 4 is arranged at the contiguous rear side of substrate 21 places, and it is the bag that an inside can ccontaining liquid, and counterweight 4 comprises that one is arranged at the limit, left side and takes up for liquid in interior mouth 41, and a stopper 42 that removably engages with mouth 41.When mounted, after four corner places of counterweight 4 are connected with locating part 212 inboards respectively, press on counterweight 4 end faces by banking stop 214, and make screw 215 pass banking stop 214 back screw locks in cylinder 213, counterweight 4 can firmly be limited on the substrate 21.

As Fig. 9, Figure 10 and shown in Figure 11, aerating device 9 has one and inflates unit 93 for what the valve body 91, of three-way valve was arranged at that tracheae 92, between the substrate 31 (Fig. 4) of valve body 91 1 sides and utricule 3 is arranged at valve body 91 right sides, and a venting unit 94 that is arranged at valve body 91 left sides.Valve body 91 comprises second sidewall 914 that first leg 913 that a cylindrical tube 911, is formed at the first side wall 912 on body 911 right sides, and axially extended towards the right side by the first side wall 912 peripheries, is extended by body 911 left side periphery radial outward, and second leg 915 that is axially extended towards a left side by second sidewall, 914 peripheries.Body 911 defines a gas flow 916, reach one and be located at second valve 917 that external surface is connected gas flow 916 and outside, the two ends of tracheae 92 are socketed on first valve 312 (Fig. 4) and second valve 917 respectively, and plenum space 33 (Fig. 4) is connected with gas flow 916.The first side wall 912 is provided with a hole clipping 918 that is positioned at the center, and three rings establish the air inlet 919 of hole clipping 918, and hole clipping 918 can be connected gas flow 916 with the outside with air inlet 919.

Inflating unit 93 comprises one and first leg, 913 positions corresponding inflator shape hollow shell 931, reach an inflating rod 932 that is arranged in movably in the hollow shell 931, inflating rod 932 has a cross section and generally is piston 934, that the cross body of rod 933, is arranged at the body of rod 933 left sides and is sheathed on the handle lid 936 that waterproof washer 935, two on the piston 934 can be connected in the body of rod 933 right-hand end places, and one with the corresponding check valve sheet 941 in hole clipping 918 positions.

Venting unit 94 comprises that the corresponding waterproof gasket 942, in one and second sidewall, 914 positions is located at the pressing plate 943, in waterproof gasket 942 left sides and is located at the lid 945 that the flexible member 944, between check valve sheet 941 and the pressing plate 943 can be sheathed on second leg 915, reaches a degassing button 946 that is bolted in lid 945 centers.Check valve sheet 941 has an axial region 947, axial region 947 right sides are provided with one first lamellar body 948, axial region 947 left sides are provided with second lamellar body 949 of an area greater than first lamellar body 948, offer a perforate 950 in the middle of the waterproof gasket 942, flexible member 944 is a compression spring, and lid 945 is provided with four steam vents 951.

When assembling aerating device 9, to be sheathed on hollow shell 931 external surfaces behind first leg, the 913 inner surface gluings, make first leg 913 mutually bonding with hollow shell 931, simultaneously the body of rod 933 and piston 934 are arranged in the hollow shell 931, make the body of rod 933 can drive piston 934 and in hollow shell 931, move back and forth.On the other hand, the axial region 947 of check valve sheet 941 is arranged in hole clipping 918, make first lamellar body 948 be connected to the first side wall 912 right sides, and second lamellar body 949 is connected to the first side wall 912 left sides and covers on air inlet 919, then waterproof gasket 942 is covered on second sidewall 914, flexible member 944 is arranged in perforate 950 and the one end is connected to second lamellar body 949, pressing plate 943 is inserted in second leg 915 afterwards, make flexible member 944 other ends be connected to pressing plate 943 right sides, after this moment lid 945 being sheathed on second leg 915, be positioned second leg 915 in the screw lock mode, degassing button 946 is bolted in lid 945 centers and connects with pressing plate 943 left sides the most at last.

As Fig. 4 and shown in Figure 8, aerating device 9 after the assembling is placed the last bolster 223 of housing 22, and the body of rod 933 protruded from the guide groove 224 that hollow shell 931 right sides places passes housing 22 right side walls, housing 22 screw locks after will assembling again are on substrate 21, spacing by upper and lower bolster 223,211, aerating device 9 can firmly be positioned in the base 2, at last handle lid 936 be connected in the right-hand end place of the body of rod 933, promptly finish the assembling of roadblock attention device 200.

As Fig. 4 and shown in Figure 11, when degassing button 946 when one holds one's breath the position, pressing plate 943 is connected to waterproof gasket 942 left sides, this moment, gas flow 916 interior gases can't be discharged via steam vent 951, therefore cover 936 places in the handle of inflating rod 932 and apply an axial pressure, piston 934 is pushed the direction of the gas in the hollow shell 931 toward air inlet 919, second lamellar body 949 of check valve sheet 941 is subjected under the gas pressure of air inlet 919, can away from the butt position of the first side wall 912, gas can be circulated in the gas flow 916 via air inlet 919 simultaneously, so the gas in the gas flow 916 can be circulated to tracheae 92 via second valve 917, be sent in the plenum space 33 of utricule 3 via tracheae 92 again, reciprocating motion by inflating rod 932 in hollow shell in 931, sustainable plenum space 33 inflations to utricule 3, when the gas in the plenum space 33 was saturated, the air bag 32 of utricule 3 promptly became cone-shaped as shown in Figure 3.

As Figure 12 and shown in Figure 13, with degassing button 946 when rotating just like the direction shown in the arrow V (Figure 13), degassing button 946 can be gradually away from lid 945, simultaneously the elastic-restoring force of flexible member 944 can order about pressing plate 943 away from the butt position of waterproof gasket 942, gas in the gas flow 916 can flow out via the perforate 950 of waterproof gasket 942, and passes to steam vent 951 discharges via the slit flow between the pressing plate 943 and second leg 915.When inflating rod 932 not starts, second lamellar body 949 of check valve sheet 941 covers on air inlet 919, so the gas in the gas flow 916 can't be circulated in the hollow shell 931.After the gas in the plenum space 33 (Fig. 4) of utricule 3 is discharged by steam vent 951, can be with air bag 32 foldings, so that do not take up space during collection.

As Fig. 3, Fig. 4 and shown in Figure 5, when roadblock attention device 200 during in user mode, because the configuration of counterweight 4 is arranged, so base 2 can firmly be located at builder's road when other, can not be blown away greatly or topples over because of wind.Consult the circuit block diagram of Figure 14 simultaneously, the user makes the light-emitting component 53 of luminescence unit 5 shinny by the following gum cover 82 of push switch unit 8, and the light source that this luminescence unit 5 is distributed makes the air bag 32 of utricule 3 seem more eye-catching.On the other hand, heal low and resistance value that produce is littler by the extraneous brightness of light resistor 62 induction of photosensitive unit 6, make the luminous efficiency of light-emitting component 53 promptly improve relatively, otherwise, the higher and resistance value that produce of the extraneous brightness of light resistor 62 induction heals when big, and the luminous efficiency of light-emitting component 53 promptly reduces relatively, therefore when the colour of sky is dim gradually, the luminous efficiency of light-emitting component 53 improves makes the brightness of air bag 32 more showy, more can improve the warning function at night.Again, the detailed circuit diagram of this circuit block diagram as shown in figure 15.

As Figure 16, Figure 17, Figure 18 and shown in Figure 19, be second preferred embodiment of the utility model roadblock attention device, its unitary construction is roughly identical with first embodiment with assembling mode, but the valve body 91 of aerating device 9 and the slightly difference of unit 96 of inflating.First leg 920 of valve body 91 is formed to extending outwardly by the outboard shafts of the first side wall 912, and first leg, 920 external diameters are less than body 911 external diameters.Inflating unit 96 comprises that one is arranged on the substrate 21 and the hollow shell 961 mutually bonding with first leg 920, hollow shell 961 has a lower cover 962 and and is covered on upper shell cover 963 on the lower cover 962, inflating unit 96 also comprises a motor 964 that is arranged at lower cover 962 belows and is electrically connected with power-supply unit 7, reaching one is arranged at, lower cover 963, between 962 and the flabellum 965 that engages with motor 964, drive flabellums 965 by a button of switch element 8 (figure does not show) control motor 964 and rotate, can make gas communication in the hollow shell 961 equally to gas flow 916.

As shown in figure 20, be the 3rd preferred embodiment of the utility model roadblock attention device, its unitary construction is roughly identical with first embodiment with assembling mode, and difference is that the counterweight 4 of this roadblock attention device 300 is the cement block of a hard.

As shown in figure 21, be the 4th preferred embodiment of the utility model roadblock attention device, its unitary construction is roughly identical with the 3rd embodiment with assembling mode, and difference is that the counterweight 4 of this roadblock attention device 300 is the cement block of a hard.

Conclude above-mentioned, roadblock attention device 200,300 among above-mentioned two embodiment, the plenum space 33 of utricule 3 is inflated in the unit 93,96 of inflating by aerating device 9, therefore when user mode, the tapered shape of air bag 32 meetings, and by the configuration of counterweight 4, base 2 can firmly be located, and the situation that blown away or topple over by wind can not take place.On the other hand, by the venting unit 94 of aerating device 9 plenum space 33 gases of utricule 3 are discharged, therefore when obsolete state, but air bag 32 foldings of utricule 3 and can reduce taking of collection space so that collection.In addition, by extraneous brightness of photosensitive unit 6 sensings and the brightness of control luminescence unit 5 in good time, when extraneous brightness is healed when dark, luminescence unit 5 light-source brightness that sends is brighter, make the brightness of air bag 32 more showy,, can reach the purpose of the utility model institute demand really to improve the warning function at night.

Claims

1. roadblock attention device is characterized in that:

This roadblock attention device comprises:

One base has a substrate, and is arranged at housing on this substrate, and an accommodation space that is defined jointly by this substrate and this housing;

One utricule is arranged on this housing, and this utricule defines a plenum space; And

One aerating device has valve body, a tracheae that is connected with this plenum space and this valve body that is arranged in this accommodation space, reaches one and is arranged at this valve body one side in order to throw gas in this plenum space the unit of inflating via this tracheae.

2. roadblock attention device as claimed in claim 1, it is characterized in that: this valve body comprises that one is arranged at body on this substrate, and is defined and the gas flow, that is connected with this tracheae is formed at the first side wall of this body one side by this body, and one be arranged at this first side wall outside and inflate first leg that the unit engages with this, and this first side wall has at least one this gas flow and this of making and inflates the air inlet that the unit is connected.

3. roadblock attention device as claimed in claim 2, it is characterized in that: this is inflated the unit and comprises that one is arranged on this substrate and the hollow shell, that is engaged in this first leg is arranged in this hollow shell movably and throw gas the inflating rod of this gas flow into, and one is arranged in this first side wall and covers on the check valve sheet of this air inlet inboard.

4. roadblock attention device as claimed in claim 2, it is characterized in that: this is inflated the unit and comprises that one is arranged on this substrate and the hollow shell, that is engaged in this first leg is arranged at the outer motor, of this hollow shell and is arranged at and engages in this hollow shell and with this motor gas is thrown into the flabellum of this gas flow, reaches one and is arranged in this first side wall and covers on the check valve sheet of this air inlet inboard.

5. as claim 3 or 4 described roadblock attention devices, it is characterized in that: can make gas flow to this gas flow through this air inlet away from this air inlet during gas pressure in this check valve sheet is subjected to this hollow shell, then covering on the gas that makes on this air inlet in this gas flow during gas pressure in this check valve sheet is not subjected to this hollow shell can't be in this air inlet flows to this hollow shell.

6. roadblock attention device as claimed in claim 2, it is characterized in that: this valve body comprises second sidewall by this body opposite side peripheral region radial outward extension, and second leg that axially extends outwardly by this second sidewall periphery, this aerating device also has one and is arranged at the venting unit of this second leg in order to the gas in this plenum space is discharged via this tracheae, this venting unit comprises a lid that engages with this second leg, one is arranged at the pressing plate in this second leg, one is arranged at the flexible member between this first side wall and this pressing plate, one is bolted in the middle of this lid the place and can orders about that this pressing plate moves and part is exposed the outer degassing button of this housing, and one be arranged in this second leg and be connected to the waterproof gasket of this second sidewall, and this lid has at least one steam vent that this gas flow is connected with the outside.

7. roadblock attention device as claimed in claim 6, it is characterized in that: when this degassing button is threaded to one when holding one's breath the position, this pressing plate is connected to this waterproof gasket, gas in this gas flow can't be discharged via this steam vent, when this degassing button is threaded to a deflation position, this flexible member orders about this pressing plate away from this waterproof gasket, and the gas in this gas flow is discharged via this steam vent.

8. roadblock attention device as claimed in claim 1, it is characterized in that: this roadblock attention device also comprise one be arranged on this substrate and the luminescence unit, that is positioned at this utricule below in order to the extraneous brightness of sensing and control the photosensitive unit of this luminescence unit brightness in good time, one is arranged on this substrate and the power-supply unit that is electrically connected with this photosensitive unit and this luminescence unit, and one is arranged on this substrate in order to control the switch element that this power-supply unit opens and closes.

9. roadblock attention device as claimed in claim 8, it is characterized in that: this luminescence unit comprises that a reflection shield, that is arranged on this substrate is arranged at the interior first circuit board of this reflection shield, an and light-emitting component that is electrically connected on this first circuit board, this photosensitive unit comprises that one is arranged on this substrate and the second circuit board that is electrically connected with this first circuit board, and one be electrically connected on this second circuit board can be with the different and corresponding light resistor that produces different resistance values of extraneous brightness.

10. roadblock attention device as claimed in claim 1 is characterized in that: this roadblock attention device comprises that also one is arranged on this substrate and is positioned at the counterweight of this aerating device opposite side.

11. roadblock attention device as claimed in claim 10 is characterized in that: this counterweight is the bag that an inside can ccontaining liquid.

12. roadblock attention device as claimed in claim 10 is characterized in that: this counterweight is a hard block.