CN213323043U

CN213323043U - Portable vehicle shifter with ratchet mechanism

Info

Publication number: CN213323043U
Application number: CN202021775915.7U
Authority: CN
Inventors: 周依婷; 鲍卫宁
Original assignee: Jianghan University
Current assignee: Jianghan University
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-06-01
Anticipated expiration: 2030-08-24

Abstract

The utility model belongs to the technical field of automobile movement, and relates to a portable vehicle mover with a ratchet mechanism, which comprises a first supporting arm, a second supporting arm, a universal wheel, a left beam with a rack, a right beam, a gear and a pedal; the first supporting arm and the second supporting arm are parallel to each other; universal wheels are arranged at the bottoms of the first supporting arm and the second supporting arm; the first supporting arm is connected with a left cross beam with a rack; the second supporting arm is connected with the right cross beam; the right cross beam is sleeved outside the left cross beam with the rack; the pedal and the gear are arranged on the upper surface of the right cross beam; the upper surface of the right cross beam is provided with a working hole; the gear is meshed with a rack on the upper surface of the left beam with the rack through a working hole; in addition, the device also comprises an active pawl meshed with the gear; the pedal drives the gear to rotate forwards or backwards through the driving pawl. The utility model provides a fall to the ground gently, simple structure and be convenient for portable car shifting ware that contains ratchet of operation.

Description

Portable vehicle shifter with ratchet mechanism

Technical Field

The utility model belongs to the technical field of the car removes, a car moving device is related to, especially relate to a portable car moving device who contains ratchet.

Background

Along with the increasingly high urbanization process, the automobile holding capacity is continuously increased, the parking lot is more and more tense, the supply and demand of parking spaces are insufficient, and a large number of automobiles are parked without parking spaces. And the parking interval of the vehicle is smaller and smaller, and if the technology of the vehicle owner is not good, the vehicle is easy to scratch, so that economic loss is caused. The national quality is uneven, if the vehicle owner stops the vehicle randomly according to the regulations, the vehicle can be seriously influenced to enter or exit, and particularly the vehicle occupies emergency safety ports such as fire fighting channels, and the damage caused by the irregular vehicle owner is particularly serious.

When the automobile is parked, the wheels are in a braking state, the friction force between the wheels and the ground is large, and the automobile is difficult to move only by manpower without other equipment.

The types of the current domestic car shifter are as follows: fork truck type, hydraulic type, lever type and intelligent type etc. For a forklift type vehicle mover, the vehicle mover is small and portable and is convenient to carry, and one set of device can be placed in a trunk of an automobile and taken at any time. For the hydraulic vehicle mover, the vehicle mover does not have the faults of oil leakage, oil seepage and the like, and is firm and durable, and low in maintenance cost. To lever type vehicle mover, this vehicle mover chooses the foot to step on the formula, greatly reduced the strength that needs the expense, it is laborsaving to relax more. For the intelligent vehicle mover, the vehicle mover is simple in structure, low in cost and high in cost performance. Utility model CN2543740Y provides a general purpose vehicle shifter, and the problem that exists is that when lifting up the running-board after the car has moved, because the gravity of car is too big, can cause the running-board to kick-back rapidly, cause user's injury. The utility model with patent number 201520849268.2 provides a novel vehicle shifter, which comprises two supporting beams, universal wheels arranged at the lower parts of the two ends of the supporting beams, and two supporting frames arranged at the end parts of the supporting beams; the support frame is of a plug-in type structure and comprises a movable beam and a fixed beam, ridge teeth are arranged on the fixed beam, an opening is formed in the movable beam, a gear meshed with the ridge teeth is arranged at the upper part of the opening, shifting teeth are arranged at the end part of the pedal plate, and the shifting teeth are matched with the gear; one side of the gear is provided with a fixed gear; the gear is driven to be meshed with the ridge teeth through the shifting teeth, so that the position adjustment between the two supporting beams is realized. The utility model discloses an in-process when using, especially need take out this car ware that moves from the wheel bottom, mainly will fix tooth and gear and dial out, along with car gravity will move the car ware and strut, the car falls on ground. This way, the vehicle body is shaken slightly, causing a violent removal of the vehicle mover, and the suspension or tires of the vehicle are damaged heavily.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem existing in the background art, the utility model provides a fall to the ground gently, simple structure and be convenient for the portable car mover who contains ratchet of operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portable vehicle shifter with a ratchet mechanism comprises a first supporting arm, a second supporting arm, a universal wheel, a left cross beam with a rack, a right cross beam, a gear and a pedal; the first supporting arm and the second supporting arm are parallel to each other; universal wheels are arranged at the bottoms of the first supporting arm and the second supporting arm; the first supporting arm is connected with the left cross beam with the rack; the second supporting arm is connected with the right cross beam; the right cross beam is sleeved outside the left cross beam with the rack; the pedal and the gear are arranged on the upper surface of the right cross beam; the upper surface of the right cross beam is provided with a working hole; the gear is meshed with a rack on the upper surface of the left cross beam with the rack through a working hole; the method is characterized in that: the portable vehicle shifter with the ratchet mechanism also comprises a driving pawl meshed with the gear; the pedal drives the gear to rotate forwards or backwards through the driving pawl.

Preferably, the utility model discloses the gear that adopts passes through the gear shaft setting and along the axial upset of gear shaft at the upper surface of right crossbeam.

Preferably, the pedal used in the utility model comprises a connecting part and a treading part connected with the connecting part; the connecting part comprises a first connecting claw and a second connecting claw which are parallel to each other; a penetrating shaft penetrating through the first connecting claw and the second connecting claw is arranged on the connecting part; the first connecting claw and the second connecting claw are respectively arranged on two sides of the gear shaft and movably arranged on the upper surface of the right cross beam through the gear shaft; the active pawl is arranged between the first connecting claw and the second connecting claw through a penetrating shaft.

Preferably, the active pawl of the present invention is reversible about the axis of the through shaft.

Preferably, the active pawl comprises a first forked pawl and a second forked pawl connected with the first forked pawl; the first forked pawl and the second forked pawl are integrally Y-shaped; the first and second bifurcate pawls are operated non-simultaneously.

Preferably, the portable car mover with the ratchet mechanism adopted by the utility model also comprises a non-return pawl which is arranged on the upper surface of the right cross beam and is meshed with the gear.

Preferably, the upper surface of the right cross beam adopted by the utility model is provided with a non-return pawl connecting shaft; the non-return pawl is arranged on the upper surface of the right cross beam through a non-return pawl connecting shaft.

Preferably, the first support arm and the second support arm of the present invention are provided with freely rotatable rollers on the outside.

The utility model has the advantages that:

the utility model provides a portable vehicle mover with a ratchet mechanism, which comprises a first supporting arm, a second supporting arm, a universal wheel, a left beam with a rack, a right beam, a gear and a pedal; the first supporting arm and the second supporting arm are parallel to each other; universal wheels are arranged at the bottoms of the first supporting arm and the second supporting arm; the first supporting arm is connected with a left cross beam with a rack; the second supporting arm is connected with the right cross beam; the right cross beam is sleeved outside the left cross beam with the rack; the pedal and the gear are arranged on the upper surface of the right cross beam; the upper surface of the right cross beam is provided with a working hole; the gear is meshed with a rack on the upper surface of the left beam with the rack through a working hole; in addition, the portable vehicle shifter with the ratchet mechanism also comprises a driving pawl meshed with the gear; the pedal drives the gear to rotate forwards or backwards through the driving pawl. The utility model adopts the ratchet mechanism technology, and has two advantages, namely, the self-locking characteristic of the ratchet mechanism is utilized to prevent the vehicle shifter from slipping when in use; and secondly, a pawl capable of reversing is selected to realize the clockwise and anticlockwise rotation of the gear. The utility model discloses a rack and pinion meshing's technique, gear drive transmission ratio is very high, and other transmission methods of contrast have good transmission efficiency. The utility model discloses small and exquisite convenient, durable, design benefit, the mechanism is simple, and is with low costs, and extensive applicability is general. The pedal is stepped on through the manpower foot, makes two support arms be close to each other to the wheel is lifted in the extrusion, and a set of this product contains four car moving devices altogether, lifts up four tires in proper order, relies on 1-2 people's manpower again, can promote the automobile body and move toward arbitrary direction. The utility model provides a portable car moving device who contains ratchet can solve the following problem that exists in the actual life. Cleaning vehicles at the road junction, and facilitating the giving of special vehicles; the space for moving vehicles is reduced, the close arrangement of the vehicles is realized, and the utilization rate of a parking lot is improved; and removing the accident vehicle and recovering the normal traffic of the road. The utility model discloses can relax quick removing and hinder the vehicle, clearance blocks up the crossing to need not reserve certain space of moving for backing a car warehouse entry or side parking, directly make the car transversely stop into, realize that the vehicle is close arranged, improve the utilization ratio in parking place, there is very social value.

Drawings

Fig. 1 is a schematic structural view of a portable vehicle shifter with a ratchet mechanism provided by the present invention;

FIG. 2 is an enlarged schematic view of the active pawl and gear of the present invention;

wherein:

l-a pedal; 2-a roller; 3-a support arm; 4-universal wheels; 5-a left beam with a rack; 6-right cross beam; 7-a gear; 8-active pawl; 9-non-return pawl.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

referring to fig. 1, the utility model provides a portable vehicle shifter with a ratchet mechanism, which comprises a first supporting arm, a second supporting arm, a universal wheel 4, a left beam 5 with a rack, a right beam 6, a gear 7 and a pedal 1; the first supporting arm and the second supporting arm are parallel to each other; universal wheels 4 are arranged at the bottoms of the first supporting arm and the second supporting arm; the first supporting arm is connected with a left beam 5 with a rack; the second supporting arm is connected with the right cross beam 6; the right cross beam 6 is sleeved outside the left cross beam 5 with the rack; the pedal 1 and the gear 7 are both arranged on the upper surface of the right cross beam 6; the upper surface of the right cross beam 6 is provided with a working hole; the gear 7 is meshed with a rack on the upper surface of the left beam 5 with the rack through a working hole; the method is characterized in that: the portable vehicle shifter with the ratchet mechanism also comprises a driving pawl 8 meshed with the gear 7; the pedal 1 drives the gear 7 to rotate forwards or backwards through the driving pawl 8.

The gear 7 is provided on the upper surface of the right cross member 6 via a gear shaft and is turned in the axial direction of the gear shaft.

The pedal 1 comprises a connecting part and a treading part connected with the connecting part; the connecting part comprises a first connecting claw and a second connecting claw which are parallel to each other; the connecting part is provided with a through shaft which penetrates through the first connecting claw and the second connecting claw; the first connecting claw and the second connecting claw are respectively arranged at two sides of the gear shaft and are movably arranged on the upper surface of the right cross beam 6 through the gear shaft; the active pawl 8 is arranged between the first and the second coupling claw by means of a through shaft. The active pawl 8 can be turned around the axis of the through shaft.

Referring to fig. 2, the active pawl 8 of the present invention includes a first forked pawl and a second forked pawl connected to the first forked pawl; the first fork pawl and the second fork pawl are integrally Y-shaped; the first bifurcated pawl and the second bifurcated pawl operate non-simultaneously.

The portable car mover with the ratchet mechanism also comprises a check pawl 9 which is arranged on the upper surface of the right cross beam 6 and is meshed with the gear 7; the upper surface of the right cross beam 6 is provided with a non-return pawl connecting shaft; the non-return pawl 9 is arranged on the upper surface of the right cross beam 6 through a non-return pawl connecting shaft.

The first support arm and the second support arm are provided with a roller 2 which can freely rotate outside.

The left beam 5 with the rack is sleeved with the right beam 6; the gear 7, the pedal 1 and the non-return pawl 9 are movably connected to the right cross beam 6 through bolts; the active pawl 8 is movably connected to the pedal 1 through a bolt and can turn around a through shaft; the gear 7 is meshed with the left beam 5 with the rack; the left cross beam 5 with the rack is arranged on the first support arm and welded together; the right cross beam 6 is arranged on the second supporting arm and welded together; the supporting arm 3 (comprising a first supporting arm and a second supporting arm) is sleeved with the roller 2; the two ends of the supporting arm 3 are connected with universal wheels 4 through bolts.

The utility model discloses a concrete using-way is: as shown in figure 1, when a vehicle needs to be moved for a short distance, a universal wheel 4 of the vehicle shifter is placed on the ground, two supporting arms 3 of the vehicle shifter are pulled by hands, the tire is pushed in from the outside of the tire, the tire is placed at the middle position of a roller 2, a first branch pawl of a driving pawl 8 is meshed with a gear 7, a pedal 1 is repeatedly trodden by feet, the pedal 1 is meshed with a rack on the upper surface of a left cross beam 5 with a rack through the first branch pawl of the driving pawl 8 and the gear 7, the two supporting arms 3 are close to each other, the wheels are pressed and lifted, and the pedal 1 is stopped being trodden when the vehicle is lifted to a safe height for vehicle shifting. When needs remove the utility model provides a during transfer ware, upset initiative pawl 8 makes its card of second bifurcation pawl of initiative pawl 8 at gear 7's opposite side, tramples footboard 1 with the foot repeatedly, and footboard 1 meshes with the rack of the left crossbeam 5 upper surface of taking the rack through second bifurcation pawl and gear 7 of initiative pawl 8 mutually, can see two support arms 3 and keep away from each other, and the wheel is put down slowly, stops trampling footboard 1 when the wheel contacts ground completely, takes out the transfer ware.

The utility model discloses the ware that moves the car adopts pure mechanical type transmission, steps on the footboard through the foot, and the footboard drives initiative pawl, and initiative pawl promotes the gear and rotates on the rack, realizes that left and right crossbeam is close to each other to realize that left and right support arm is close to each other, paste tightly around two support arms, clip, lift up the tire. The operation is repeated for four times, and when all the four tires are supported to a safe height from the ground, 1-2 people can push the vehicle body to move in any direction. The vehicle shifter is small, exquisite, light, convenient to carry, low in cost, simple to operate, firm and durable, and brings convenience to our life.

Claims

1. A portable vehicle shifter with a ratchet mechanism comprises a first supporting arm, a second supporting arm, a universal wheel (4), a left beam (5) with a rack, a right beam (6), a gear (7) and a pedal (1); the first supporting arm and the second supporting arm are parallel to each other; universal wheels (4) are arranged at the bottoms of the first supporting arm and the second supporting arm; the first supporting arm is connected with a left cross beam (5) with a rack; the second supporting arm is connected with the right cross beam (6); the right cross beam (6) is sleeved outside the left cross beam (5) with the rack; the pedals (1) and the gears (7) are arranged on the upper surface of the right cross beam (6); the upper surface of the right cross beam (6) is provided with a working hole; the gear (7) is meshed with a rack on the upper surface of the left cross beam (5) with the rack through a working hole; the method is characterized in that: the portable car mover with the ratchet mechanism further comprises a driving pawl (8) meshed with the gear (7); the pedal (1) drives the gear (7) to rotate forwards or backwards through the driving pawl (8).

2. The portable car mover with ratchet mechanism as claimed in claim 1, wherein: the gear (7) is arranged on the upper surface of the right cross beam (6) through a gear shaft and overturns along the axial direction of the gear shaft.

3. The portable car mover with ratchet mechanism as claimed in claim 2, wherein: the pedal (1) comprises a connecting part and a treading part connected with the connecting part; the connecting part comprises a first connecting claw and a second connecting claw which are parallel to each other; a penetrating shaft penetrating through the first connecting claw and the second connecting claw is arranged on the connecting part; the first connecting claw and the second connecting claw are respectively arranged on two sides of the gear shaft and movably arranged on the upper surface of the right cross beam (6) through the gear shaft; the active pawl (8) is arranged between the first connecting claw and the second connecting claw through a penetrating shaft.

4. The portable car mover with ratchet mechanism as claimed in claim 3, wherein: the active pawl (8) can be turned around the axial direction of the through shaft.

5. The portable car mover with ratchet mechanism as claimed in claim 4, wherein: the active pawl (8) comprises a first forked pawl and a second forked pawl connected with the first forked pawl; the first forked pawl and the second forked pawl are integrally Y-shaped; the first and second bifurcate pawls are operated non-simultaneously.

6. The portable cart including a ratchet mechanism according to any of claims 1 to 5, wherein: the portable car mover with the ratchet mechanism further comprises a check pawl (9) which is arranged on the upper surface of the right cross beam (6) and meshed with the gear (7).

7. The portable car mover with ratchet mechanism as claimed in claim 6, wherein: a non-return pawl connecting shaft is arranged on the upper surface of the right cross beam (6); and the check pawl (9) is arranged on the upper surface of the right cross beam (6) through a check pawl connecting shaft.

8. The portable car mover with ratchet mechanism as claimed in claim 7, wherein: and rollers (2) which can freely rotate are arranged outside the first supporting arm and the second supporting arm.