CN218233241U - Wheel safety protection mechanism suitable for tail gas detection of rear-drive vehicle - Google Patents
Wheel safety protection mechanism suitable for tail gas detection of rear-drive vehicle Download PDFInfo
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- CN218233241U CN218233241U CN202121434140.1U CN202121434140U CN218233241U CN 218233241 U CN218233241 U CN 218233241U CN 202121434140 U CN202121434140 U CN 202121434140U CN 218233241 U CN218233241 U CN 218233241U
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- mounting groove
- tail gas
- gas detection
- protection mechanism
- safety protection
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Abstract
The utility model belongs to the technical field of the automobile inspection, a wheel safety protection mechanism that tail gas detected suitable for back drive is disclosed, including setting up the lift railing in two sets of cylinder the place ahead, ground has seted up the mounting groove in cylinder one side, the length of mounting groove is greater than the interval of two cylinders, be provided with a plurality of cylinders that are vertical setting in the mounting groove, the telescopic link of cylinder with the lower extreme fixed connection of lift railing, the mounting groove is used for hiding the lift railing, the lift railing shifts out during the mounting groove, the lift railing is located vehicle chassis below, and this application has the effect that can effectively avoid the car to wash out the tail gas detection zone, reduces the vehicle and move forward and the potential safety hazard that leads to.
Description
Technical Field
The invention relates to the technical field of automobile detection, in particular to a wheel safety protection mechanism suitable for tail gas detection of a rear-drive automobile.
Background
The annual inspection of the vehicles is an inspection that every vehicle which obtains a formal license plate and a driving license has to carry out, namely, the vehicles are inspected according to the technical conditions of motor vehicle operation safety every year. The annual inspection of the vehicle can eliminate potential safety hazards of the vehicle in time, supervise and urge to strengthen the maintenance of the vehicle, and reduce traffic accidents. Before annual inspection, some preparation work (such as knowing some relevant information, online reservation, flow, vehicle attention-required problems and the like) is needed to ensure that the vehicle can normally and smoothly pass through.
When detecting the back drive at present, generally will place two rear wheels of car respectively in two sets of cylinders, then start the generator, the person of igniting controls the steering wheel, the mode that the car simulation was gone on the road, and two rear wheels rotate in the cylinder, then detect exhaust emission at the delivery pipe of car.
In view of the above-mentioned related art, the inventor believes that when the rear wheel rotates during the detection of the tail gas of the rear-drive vehicle, when the angle of the wheel deviates, the front wheel is in contact with the ground, the vehicle is easy to drive forwards, and potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
In order to carry out tail gas detection for the back-drive car, can reduce the potential safety hazard that the vehicle antedisplacement and lead to, this application provides a wheel safety protection mechanism that is applicable to the tail gas detection of back-drive car.
The application provides a pair of wheel safety protection mechanism suitable for tail gas detection of back drive car adopts following technical scheme:
the utility model provides a wheel safety protection mechanism suitable for tail gas detection of back drive car, is including setting up the lift railing in two sets of cylinder the place ahead, and ground has seted up the mounting groove in cylinder one side, the length of mounting groove is greater than the interval of two cylinders, be provided with a plurality of cylinders that are vertical setting in the mounting groove, the telescopic link of cylinder with the lower extreme fixed connection of lift railing, the mounting groove is used for hiding the lift railing, the lift railing shifts out during the mounting groove, the lift railing is located vehicle chassis below.
Through adopting above-mentioned technical scheme, carrying out tail gas detection time measuring to the back drive car, place two rear wheels of back drive car respectively in two sets of cylinders, then start a plurality of cylinders simultaneously, the telescopic link of cylinder stretches out, it stretches out the mounting groove to drive the lift railing, when rear wheel is at the cylinder internal rotation, and when meetting the too big drive car of the impact of rear wheel and rolling off the cylinder, the lift railing can play the effect of blockking to two rear wheels, effectively avoid the car to rush out the tail gas detection zone, can reduce the vehicle antedisplacement and the potential safety hazard that leads to.
Optionally, ground is followed the length direction of mounting groove is provided with the pivot, the pivot cover is established and is rotated and be connected with the apron, the apron is used for covering the mounting groove.
Through adopting above-mentioned technical scheme, because there can be some debris or dust in the car inspection scene, and debris or dust get into the mounting groove, conveniently clear up, set up the apron, need not to examine time measuring to the car, the apron can cover the mounting groove, effectively reduces the phenomenon that dust or debris got into the mounting groove.
Optionally, a step groove is formed in one side, away from the rotating shaft, of the ground, and when the cover plate is placed in the step groove, the cover plate is flush with the ground.
Through adopting above-mentioned technical scheme, set up the step groove, when the apron covers the mounting groove, the step groove can play the supporting role to the apron, makes apron and ground flush, and when the front wheel of car passed through the apron, it was convenient for make the car steadily travel.
Optionally, one side of the cover plate close to the step groove is provided with a plurality of groups of reinforcing ribs.
Through adopting above-mentioned technical scheme, set up the strengthening rib, can be at the intensity of reinforcing apron, when the preceding wheel of car or rear wheel travel from the apron, can reduce the possibility that the apron is pressed to be out of shape by the car.
Optionally, be provided with the rack on the lift railing, the length direction of rack sets up along vertical direction, the coaxial fixedly connected with of pivot with rack toothing's gear, the number of teeth of rack does the fourth of the number of teeth of gear.
Through adopting above-mentioned technical scheme, when needs raise the lift railing, start the cylinder, the telescopic link of cylinder stretches out, drives the lift railing and stretches out, rack and gear engagement, and the rack drives and drives gear revolve, and when the rack continued to shift up, drive gear revolve quarter circumference, make the apron rotate to perpendicular to ground to need not the manual apron of opening when needs raise the lift railing, can use manpower sparingly.
Optionally, two limiting grooves are formed in one surface, close to the roller, of the lifting handrail, and the width of each limiting groove is larger than the thickness of the rear wheel.
Through adopting above-mentioned technical scheme, set up the spacing groove, in case when the rear wheel dashes out the cylinder, the rear wheel joint can play limiting displacement to the rear wheel in the spacing inslot.
Optionally, the bottom surface of the limiting groove is provided with a plurality of groups of anti-slip strips.
Through adopting above-mentioned technical scheme, when back wheel joint in the spacing groove, the antislip strip can increase the frictional force of lift railing and back wheel to the increase is to the braking effect of car, thereby reduces the vehicle and moves forward and the potential safety hazard that leads to.
Optionally, the notch of the limiting groove is provided with a buffering cambered surface.
Through adopting above-mentioned technical scheme, set up the edges and corners of the notch of spacing groove into the buffering cambered surface, when the tire contacted with the spacing groove, can alleviate the notch to scraping and rubbing of tire, do benefit to when the protection is at the rear wheel when the cylinder rotation, and meet the too big drive car of the impact of rear wheel and roll out the cylinder, the lift railing can play the effect that blocks to two rear wheels, effectively avoids the car to wash out the detection zone, can reduce the vehicle and move forward and the potential safety hazard automobile tire that leads to.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the rear wheels rotate in the roller and the impact force of the rear wheels is too large to drive the automobile to run out of the roller, the lifting handrail can have a blocking effect on the two rear wheels, so that the automobile is effectively prevented from running out of a detection area, and potential safety hazards caused by forward movement of the automobile can be reduced;
2. when the lifting handrail needs to be lifted, the air cylinder is started, the telescopic rod of the air cylinder extends out to drive the lifting handrail to extend out, the rack is meshed with the gear, the rack drives the gear to rotate, and when the rack continuously moves upwards, the gear is driven to rotate for a quarter of a circle, so that the cover plate is rotated to be vertical to the ground, the cover plate does not need to be manually opened when the lifting handrail needs to be lifted, and manpower can be saved;
3. the edge angle of the notch of the limiting groove is set to be a buffering arc surface, when the tire is in contact with the limiting groove, the scratch and rub of the notch on the tire can be reduced, and the protection of an automobile tire is facilitated.
Drawings
Fig. 1 is an overall structure schematic diagram of a wheel safety protection mechanism suitable for tail gas detection of a rear-drive vehicle according to an embodiment of the present application.
Fig. 2 is a partial structural schematic view of the mounting groove and the lifting rail of fig. 1.
Fig. 3 is a schematic view of the overall structure of the rack gear of fig. 2.
Description of reference numerals: 1. lifting the railing; 2. mounting grooves; 3. a cylinder; 4. a limiting groove; 5. a drum; 6. buffering the arc surface; 7. a rotating shaft; 8. a cover plate; 9. a step groove; 10. reinforcing ribs; 11. a yielding groove; 12. a gear; 13. mounting blocks; 14. a rack; 15. a ground surface; 16. and (4) an anti-slip strip.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses wheel safety protection mechanism suitable for tail gas detection of back drive car. Referring to fig. 1 and 2, safety protection mechanism is including setting up lift railing 1 in two sets of cylinders 5 the place ahead, rectangle mounting groove 2 has been seted up to the bottom surface in two sets of cylinders 5 the place ahead, the length of mounting groove 2 is greater than the interval of two sets of cylinders 5, be provided with a plurality of cylinders 3 in the mounting groove 2, in this embodiment, the quantity of cylinder 3 is two sets of, two sets of cylinders 3 weld respectively in the both sides of mounting groove 2 bottom surfaces, the shape of lift railing 1 is the door type, two vertical parts of lift railing 1 weld respectively in the upper end of the telescopic link of two cylinders 3, when needing to make lift railing 1 block two rear wheels of back drive car, start cylinder 3, the telescopic link of cylinder 3 stretches out and drives lift railing 1 and moves outside mounting groove 2, when lift railing 1 stretches out mounting groove 2, lift railing 1 is less than vehicle chassis and ground 15's interval with ground 15.
Referring to fig. 1 and 2, two sets of rectangular spacing grooves 4 have been seted up to the one side that the lateral part of lift railing 1 is close to cylinder 5, the width of spacing groove 4 is greater than the thickness of rear wheel, when the car is rolled out from cylinder 5, two rear wheels joint respectively in the spacing groove 4 that corresponds, the bottom surface of spacing groove 4 bonds and has multiunit antislip strip 16, the material of antislip strip 16 is the rubber material, the impartial distance of multiunit antislip strip 16 just sets up along the horizontal direction, spacing groove 4 all sets up the buffering cambered surface 6 of keeping away from each other in the lateral wall of 16 length direction both sides of antislip strip, when rear wheel joint in spacing groove 4, buffering cambered surface 6 can reduce scraping to what the tire was worn and torn.
Referring to fig. 1 and 3, a rotating shaft 7 is arranged at the upper edge of the side wall of the mounting groove 2 far away from the roller 5, two ends of the rotating shaft 7 are respectively welded with the two side walls of the mounting groove 2, and the length direction of the rotating shaft 7 is arranged along the length direction of the mounting groove 2; the upside of mounting groove 2 is provided with rectangle apron 8, and apron 8 is used for covering mounting groove 2 completely, and 8 covers of apron are established on pivot 7 and are rotated through pivot 7 and connect.
Referring to fig. 2 and 3, a step groove 9 for placing a cover plate 8 is formed in the side wall of the mounting groove 2 away from the rotating shaft 7, and when the cover plate 8 rotates to be located in the step groove 9, the upper surface of the cover plate 8 is flush with the ground 15; the one side that apron 8 is close to mounting groove 2 is provided with multiunit vertically and horizontally staggered's strengthening rib 10, and strengthening rib 10 is used for increasing apron 8's compressive strength, when the car goes from apron 8 upper surface, can reduce the damage to apron 8.
Referring to fig. 2 and 3, a rectangular abdicating groove 11 is formed in a position, close to one end of the rotating shaft 7, on the ground 15, the abdicating groove 11 is communicated with the mounting groove 2, one end of the rotating shaft 7 is welded on the side wall of the abdicating groove 11 and is coaxially welded with a gear 12, and the gear 12 is partially located inside the abdicating groove 11; the upper edge of the side wall, close to the gear 12, of the lifting railing 1 is welded with a rectangular mounting block 13, the upper surface of the mounting block 13 is welded with a rack 14, the number of teeth of the rack 14 is one fourth of the number of teeth of the gear 12, when the rack 14 moves downwards for a certain distance, the rack 14 is meshed with the gear 12, and when the lifting railing 1 is completely positioned in the mounting groove 2, the rack 14 and the gear 12 are in a meshed state; when the cylinder 3 drives the lifting handrail 1 to move downwards, the rack 14 drives the gear 12 to rotate for a quarter of a circle, so that the cover plate 8 is turned for 90 degrees until the cover plate 8 is flush with the ground 15, and manpower can be saved.
The embodiment of the application relates to a wheel safety protection mechanism's implementation principle suitable for the tail gas detection of back drive car does: when tail gas detection is carried out on a rear-drive vehicle, two rear wheels of the rear-drive vehicle are respectively placed in two groups of rollers 5, then two cylinders 3 are started simultaneously, a telescopic rod of each cylinder 3 extends out to drive the lifting railing 1 to ascend, at the moment, the lifting railing 1 drives the rack 14 to ascend, the rack 14 drives the gear 12 to rotate, the cover plate 8 rotates by 90 degrees, when the lifting railing 1 completely extends out of the installation groove 2, the lifting railing 1 is positioned in front of the two rear wheels, and when the rear wheels run out of the rollers 5 in an emergency, the lifting railing 1 can brake the vehicle; after the tail gas to the car detects, start cylinder 3, make cylinder 3's telescopic link drive lift railing 1 and descend, when rack 14 moves down to meshing with gear 12 again, rack 14 drives the upset of apron 8, makes apron 8 cover mounting groove 2 completely.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a wheel safety protection mechanism suitable for tail gas detection of back drive car which characterized in that: including setting up lift railing (1) in two sets of cylinders (5) the place ahead, mounting groove (2) have been seted up in cylinder (5) one side to ground (15), the length of mounting groove (2) is greater than the interval of two cylinders (5), be provided with a plurality of cylinders (3) that are vertical setting in mounting groove (2), the telescopic link of cylinder (3) with the lower extreme fixed connection of lift railing (1), mounting groove (2) are used for hiding lift railing (1), lift railing (1) shifts out during mounting groove (2), lift railing (1) is located vehicle chassis below.
2. The wheel safety protection mechanism suitable for tail gas detection of the rear-drive vehicle of claim 1, characterized in that: ground (15) are followed the length direction of mounting groove (2) is provided with pivot (7), pivot (7) cover is established and is rotated and be connected with apron (8), apron (8) are used for covering mounting groove (2).
3. The wheel safety protection mechanism suitable for tail gas detection of the rear-drive vehicle of claim 2, characterized in that: one side of the ground (15) far away from the rotating shaft (7) is provided with a step groove (9), and when the cover plate (8) is placed in the step groove (9), the cover plate (8) is flush with the ground (15).
4. The wheel safety protection mechanism suitable for tail gas detection of the rear-drive vehicle of claim 3, wherein: and a plurality of groups of reinforcing ribs (10) are arranged on one surface of the cover plate (8) close to the step groove (9).
5. The wheel safety protection mechanism suitable for tail gas detection of the rear-drive vehicle of claim 2, characterized in that: be provided with rack (14) on lift railing (1), the length direction of rack (14) sets up along vertical direction, pivot (7) coaxial fixedly connected with gear (12) of rack (14) meshing, the number of teeth of rack (14) does the fourth of gear (12) number of teeth.
6. The wheel safety protection mechanism suitable for tail gas detection of the rear-drive vehicle of claim 1, characterized in that: two spacing grooves (4) are seted up to the one side that goes up and down railing (1) is close to cylinder (5), the width of spacing groove (4) is greater than the thickness of rear wheel.
7. The wheel safety protection mechanism suitable for tail gas detection of the rear-drive vehicle of claim 6, wherein: the bottom surface of the limiting groove (4) is provided with a plurality of groups of anti-slip strips (16).
8. The wheel safety protection mechanism suitable for tail gas detection of the rear-drive vehicle of claim 6, wherein: the notch of the limiting groove (4) is provided with a buffering cambered surface (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121434140.1U CN218233241U (en) | 2021-06-26 | 2021-06-26 | Wheel safety protection mechanism suitable for tail gas detection of rear-drive vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121434140.1U CN218233241U (en) | 2021-06-26 | 2021-06-26 | Wheel safety protection mechanism suitable for tail gas detection of rear-drive vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218233241U true CN218233241U (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121434140.1U Active CN218233241U (en) | 2021-06-26 | 2021-06-26 | Wheel safety protection mechanism suitable for tail gas detection of rear-drive vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218233241U (en) |
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2021
- 2021-06-26 CN CN202121434140.1U patent/CN218233241U/en active Active
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