CN212153192U

CN212153192U - Ratchet drum type parking limiting and anti-collision device

Info

Publication number: CN212153192U
Application number: CN202020377267.3U
Authority: CN
Inventors: 裴玉龙; 常铮; 刘静
Original assignee: Northeast Forestry University
Current assignee: Northeast Forestry University
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-12-15
Anticipated expiration: 2030-03-23

Abstract

A ratchet drum type parking limiting anti-collision device is characterized by comprising a front ratchet drum box and a rear ratchet drum box which are identical, wherein each ratchet drum box comprises a box body, a ratchet drum and a pawl assembly, the box body can be divided into a dustproof shell and a fixed base, the ratchet drum can be divided into a drum, a ratchet gear, a cylindrical roller and a fixed middle shaft, and the pawl assembly can be divided into a pawl and a pawl rebounding device.

Description

Ratchet drum type parking limiting and anti-collision device

Technical Field

The utility model belongs to the technical field of the safety control of parkking, concretely relates to spacing buffer stop of ratchet drum-type parking.

Background

Along with the increase of motor vehicle's volume of keeping, the difficult problem of parking is more outstanding, the distribution of next-door neighbour's range formula is all taken on present many parking stalls, make the parking stall concentration more and more high, the space is more and more littleer around the parking stall, this type of design though can make full use of space, improve parking density, nevertheless to the driver who is not familiar with the condition, especially the not enough conscientious novice driver of parking technique, it is extremely easy to lead to colliding with wall body, barrier or other vehicles around the parking stall often owing to the brake when getting into the parking stall in-process, and then lead to the vehicle impaired, for solving above-mentioned problem, the utility model provides an utilize ratchet cylinder unidirectional rotation's characteristic to realize the accurate parking stop device who parks of vehicle.

Disclosure of Invention

For solving current partial parking stall problem of bumping when parkking the utility model discloses utilize ratchet device can only unidirectional rotation's characteristic, through ratchet gear's effect, make the vehicle that drives into the parking stall when the front and back wheel contacts ratchet cylinder simultaneously, the accessible wheel drives the cylinder idle running and reaches the purpose that prevents the vehicle to continue to advance and hit wall or other barriers, when the vehicle drives out the parking stall, the wheel is rotatory in the opposite direction, ratchet cylinder is because ratchet gear's effect can't rotate, makes the vehicle can normally drive away from the parking stall.

A ratchet drum type parking limiting anti-collision device is characterized by comprising a front ratchet drum box and a rear ratchet drum box which are completely identical, wherein each ratchet drum box comprises a box body, a ratchet drum and a pawl assembly, the box body can be divided into a dustproof shell and a fixed base, the ratchet drum can be divided into a drum, a ratchet gear, a cylindrical roller and a fixed middle shaft, the pawl assembly can be divided into a pawl and a pawl rebounding device, the dustproof shell is a protective shell of the ratchet drum box and can prevent foreign matters such as sand grains, stones and the like from damaging the internal structure of the box body, two rectangular openings are formed above the dustproof shell to ensure that the drum can be fully contacted with left and right wheels of a vehicle, the fixed base is a frame of the ratchet drum box and is used for fixing and supporting other structures in the ratchet drum box, the fixed middle shaft penetrates through the whole ratchet drum box and is fixed on the fixed base, the roller and the ratchet gear are connected in a welding mode to form the ratchet roller capable of synchronously rotating around the fixed middle shaft, the ratchet gear is distributed in the middle and two sides of the ratchet roller, the cylindrical roller is assembled between the ratchet roller and the fixed middle shaft to form a bearing system to reduce friction, and the pawl rebounding device are fixed on the fixed base on the periphery of the ratchet gear through the pawl rotating shaft to control the unidirectional rotation of the ratchet gear.

Ratchet wheel cylinder's cylinder diameter should not be less than 20cm, and should set up in every ratchet wheel cylinder case and be no less than 4 ratchet wheel cylinders, and 4 pawl subassembly should be no less than to every ratchet wheel gear configuration.

Two ratchet roller case central point intervals around should equal the wheel base of the car of parking, for 240 supplyes 260 cm.

Ratchet wheel cylinder can only unidirectional rotation, and will be dead unable the rotation by automatic locking in the opposite direction.

Ratchet cylinder surface is provided with the bar arch for frictional force between reinforcing ratchet cylinder and the automobile tire.

The utility model has the advantages that:

1. when a vehicle driving into the parking space reaches a designated parking position, the vehicle is prevented from continuously moving forward in a manner that the wheels drive the ratchet wheel roller to idle, so that a driver is prevented from colliding with surrounding obstacles due to untimely braking, accidents are reduced, and when the vehicle drives out of the parking space, the ratchet wheel roller is automatically locked under the action of the pawl assembly, and the vehicle does not influence the normal driving out of the parking space.

2. The utility model discloses a mechanical type structure, the function is reliable, need not the power consumption and easily installs, applicable in all kinds of parking stalls.

Drawings

Fig. 1 is a schematic view of the overall structure of a ratchet roller type parking limiting and collision preventing device, fig. 2 is a view of the using effect of the ratchet roller type parking limiting and collision preventing device, fig. 3 is a schematic view of the structure of a ratchet roller of the ratchet roller type parking limiting and collision preventing device, fig. 4 is a schematic view of the cross section of the ratchet roller type parking limiting and collision preventing device, and fig. 5 is a schematic view of the longitudinal section of the ratchet roller type parking limiting and collision preventing device.

The device comprises a dustproof shell 1, a ratchet wheel roller 2, a ratchet wheel gear 2-1, a roller 2-2, a cylindrical roller 2-3, a pawl rotating shaft 4, a fixed middle shaft 5, a pawl rebounding device 6, a rebounding spring 6-1, a rebounding ejector rod 6-2, a bolt 7 and a fixed base 8.

Detailed Description

The following will describe in further detail embodiments of the present invention with reference to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5: when the ratchet wheel device is used daily, when a vehicle driving into a parking space reaches a designated position, the front wheel and the rear wheel of the vehicle are simultaneously contacted with the rollers of the front ratchet wheel roller box and the rear ratchet wheel roller box of the utility model, at the moment, the wheels drive the ratchet wheel roller 2 to rotate around the fixed middle shaft 5, the rotating direction is opposite to the rotating direction of the wheels, when the ratchet wheel roller 2 rotates, the arc transition surface of the ratchet tooth back of the ratchet wheel gear 2-1 extrudes the pawl 3, the rebound spring 6-1 of the pawl rebound device 6 is compressed, the pawl 3 is further expanded outwards, until the next ratchet wheel is rotated, the pawl 3 can rebound to the original position under the action of the pawl rebound device 6, and then the next ratchet tooth back is extruded to continue to expand outwards so as to reciprocate, so as to ensure that the ratchet wheel roller 2 can normally rotate, thereby realizing that the front wheel and the rear wheel of the vehicle respectively drive, the purpose of preventing the vehicle from continuing to advance; when a vehicle is driven out of a parking space, the rotating directions of the wheels and the vehicle entering the parking space are opposite, the wheels apply a rotating trend opposite to the rotating direction of the wheels to the ratchet wheel drum 2, at the moment, the pawl 3 interacts with the tooth spaces of the ratchets of the ratchet wheel gear 2-1, and an outward acting force cannot be applied to the pawl 3, so that the rebound spring 6-1 of the pawl rebound device 6 cannot be compressed, the pawl 3 is always clamped in the tooth spaces of the ratchets of the ratchet wheel gear 2-1, the ratchet wheel drum 2 cannot rotate, at the moment, the ratchet wheel drum 2 is in a locked state, and the vehicle can normally drive out of the parking space without being influenced by the idle rotation of the ratchet wheel drum 2.

Claims

1. A ratchet drum type parking limiting anti-collision device is characterized by comprising a front ratchet drum box and a rear ratchet drum box which are completely identical, wherein each ratchet drum box comprises a box body, a ratchet drum and a pawl assembly, the box body can be divided into a dustproof shell and a fixed base, the ratchet drum can be divided into a drum, a ratchet gear, a cylindrical roller and a fixed middle shaft, the pawl assembly can be divided into a pawl and a pawl rebounding device, the dustproof shell is a protective shell of the ratchet drum box and can prevent foreign matters such as sand grains, stones and the like from damaging the internal structure of the box body, two rectangular openings are formed above the dustproof shell to ensure that the drum can be fully contacted with left and right wheels of a vehicle, the fixed base is a frame of the ratchet drum box and is used for fixing and supporting other structures in the ratchet drum box, the fixed middle shaft penetrates through the whole ratchet drum box and is fixed on the fixed base, the roller and the ratchet gear are connected in a welding mode to form the ratchet roller capable of synchronously rotating around the fixed middle shaft, the ratchet gear is distributed in the middle and two sides of the ratchet roller, the cylindrical roller is assembled between the ratchet roller and the fixed middle shaft to form a bearing system to reduce friction, and the pawl rebounding device are fixed on the fixed base on the periphery of the ratchet gear through the pawl rotating shaft to control the unidirectional rotation of the ratchet gear.

2. A ratchet drum type parking limiting bump preventing device as claimed in claim 1, wherein the diameter of the ratchet drum should not be less than 20cm, and not less than 4 ratchet drums should be provided in each ratchet drum box, and not less than 4 pawl assemblies should be provided for each ratchet gear.

3. The ratchet roller type parking limit anti-collision device as claimed in claim 1, wherein the distance between the center points of the front and rear ratchet roller boxes is equal to the wheel base of the parked car, which is 240 and 260 cm.

4. The ratchet drum type parking limit anti-collision device as claimed in claim 1, wherein the ratchet drum can only rotate in one direction, and will be automatically locked and unable to rotate in the opposite direction.

5. The ratchet drum type parking limiting anti-collision device as claimed in claim 1, wherein the ratchet drum is provided with a strip-shaped protrusion on a surface thereof for enhancing a frictional force between the ratchet drum and a car tire.