CN212521052U

CN212521052U - Rough cement road surface draw-bar box pulley protection mechanism

Info

Publication number: CN212521052U
Application number: CN202021270187.4U
Authority: CN
Inventors: 陈金玲
Original assignee: Ruian Aoxin Luggage Accessories Co ltd
Current assignee: Ruian Aoxin Luggage Accessories Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-02-12
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a rough cement pavement draw-bar box pulley protection mechanism, which relates to the draw-bar box field and comprises a roller support column, one side of the roller support column is provided with a shaft hole, a damping rotating shaft is arranged in the shaft hole, in the structure of the utility model, when the draw-bar box is pulled to pass through the rough cement pavement, the roller rolling wheels of the draw-bar box are influenced by the pavement to drive the roller rolling bearing to move, the roller rolling bearing compresses a roller independent spring in an I-shaped groove to realize the primary damping, because the two roller rolling wheels of the draw-bar box independently move and do not mutually interfere, when the rough pavement is fluctuated, the two roller rolling wheels of the draw-bar box can simultaneously fit the ground and simultaneously bear force, thereby providing better damping performance and avoiding the damage of the wheels, the roller surrounding shield drives the roller mounting plate to move upwards around the, the effect of damping again is played, and the mechanical damage can be avoided to two damper's design.

Description

Rough cement road surface draw-bar box pulley protection mechanism

Technical Field

The utility model relates to a draw-bar box field, in particular to rough cement road surface draw-bar box pulley protection mechanism.

Background

The draw-bar box refers to the suitcase that has pull rod and gyro wheel, and the wheel then whole outsourcing is in the case outside, and such cylinder design makes the different topography of adaptation that this kind of draw-bar box can be better, just can easily walk up and down stairs if directly pulling the case, and the gyro wheel uses the universal wheel usually, and its structure allows 360 degrees rotations of level.

The pulley of current draw-bar box is fixed structure usually, and in the in-process of using the suitcase, often face different ground conditions, for example rough cement face, the gyro wheel is when passing through these road surfaces, lack good shock attenuation effect, cause the mechanical damage of gyro wheel, even cause the damage of the article of putting inside the draw-bar box owing to jolting, and the gyro wheel is when ground such as rough cement face, two wheels of same gyro wheel are difficult to accomplish simultaneously and are contacted ground, often only one wheel atress, another wheel is unsettled, under the impact of the gravity of draw-bar box and rough road surface, cause the wheel to damage easily, for this we have proposed a rough cement road surface draw-bar box pulley protection mechanism.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coarse cement road surface draw-bar box pulley protection mechanism to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coarse cement road surface draw-bar box pulley protection mechanism, including the gyro wheel support column, the shaft hole has been seted up to one side of gyro wheel support column, be provided with the shock attenuation axis of rotation in the shaft hole, the both ends of shock attenuation axis of rotation all run through shaft hole and fixed mounting have the arm that extends, the same gyro wheel mounting panel of one end fixedly connected with of two arms that extends, the equal fixed mounting in both sides that the gyro wheel mounting panel kept away from each other has the gyro wheel to surround the guard shield, the top side fixed mounting of gyro wheel mounting panel has spring base, one side fixed mounting of gyro wheel support column has spring footstock, the same wheel.

Preferably, a cardan shaft is fixedly mounted on the top side of the roller supporting column.

Preferably, I-shaped grooves are formed in the inner walls of the two sides of the roller surrounding protective cover.

Preferably, the same roller rotating bearing is arranged in the two I-shaped grooves in a sliding mode.

Preferably, an independent roller spring is arranged in the I-shaped groove, one end of the independent roller spring is fixedly connected with one side of the roller rotating bearing, and the other end of the independent roller spring is fixedly connected with the inner wall of the top side of the I-shaped groove.

Preferably, a roller mounting shaft is rotatably mounted in the roller rotating bearing, and two ends of the roller mounting shaft are fixedly provided with a draw-bar box rolling wheel.

Preferably, the outer side of the rolling wheel of the draw-bar box is fixedly sleeved with a rubber buffer ring.

The utility model discloses a technological effect and advantage:

1. the utility model discloses rational in infrastructure, when pulling draw-bar box when the rough cement road surface, draw-bar box rolling wheel receives the road surface influence, the up-and-down fluctuation motion, draw-bar box rolling wheel passes through the gyro wheel installation axle and drives gyro wheel rolling bearing motion, gyro wheel rolling bearing compresses the independent spring of gyro wheel in I shape recess, the cushioning effect of step originally, and because two draw-bar box rolling wheels move alone, mutual noninterference, when the rough fluctuation road surface, can two draw-bar box rolling wheels laminate ground simultaneously and receive the force simultaneously, also avoid the damage of wheel while providing better shock attenuation, meanwhile, gyro wheel surrounds the guard shield and drives the gyro wheel mounting panel and moves upwards around the shock attenuation axis of rotation, the gyro wheel mounting panel compresses wheel body damping spring through the spring base, play the effect of once more shock attenuation, the design of two damping mechanisms, can avoid mechanical damage;

2. the utility model discloses in, the rubber buffer ring in the wheel outside is rolled to the draw-bar box can make the draw-bar box roll the wheel when the coarse cement road surface, absorbs a large amount of rigid impact, and including the gyro wheel surrounds the most parcel of guard shield with the draw-bar box roll wheel, the horizontal striking that the barrier caused to the draw-bar box roll wheel when can avoiding complicated road surface situation, further protects the draw-bar box roll wheel not receive the damage when coarse road surfaces such as coarse cement.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged schematic view of the connecting position of the roller support column and the damping rotation shaft of the present invention;

fig. 4 is an enlarged schematic structural view of the joint of the rolling wheel and the roller protection cover of the draw-bar box of the present invention.

In the figure: 1. a roller supporting column; 2. an extension arm; 3. mounting a roller; 4. a damping rotating shaft; 5. a cardan shaft; 6. the roller surrounds the shield; 7. a trolley case rolling wheel; 8. a rubber buffer ring; 9. a spring top seat; 10. a spring mount; 11. a wheel body damping spring; 12. a shaft hole; 13. an I-shaped groove; 14. a roller independent spring; 15. the roller rotates the bearing; 16. the roller wheel is mounted on the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a rough cement road surface draw-bar box pulley protection mechanism as shown in fig. 1-4, including gyro wheel support column 1, shaft hole 12 has been seted up to one side of gyro wheel support column 1, be provided with shock attenuation axis of rotation 4 in the shaft hole 12, the both ends of shock attenuation axis of rotation 4 all run through shaft hole 12 and fixed mounting have extension arm 2, two same gyro wheel mounting panel 3 of the one end fixedly connected with of extension arm 2, the equal fixed mounting in both sides that gyro wheel mounting panel 3 kept away from each other has the gyro wheel to surround guard shield 6, the top side fixed mounting of gyro wheel mounting panel 3 has spring base 10, one side fixed mounting of gyro wheel support column 1 has spring footstock 9, the same damping spring 11 of one side fixedly connected with wheel body that spring footstock 9 and.

Further, in above-mentioned scheme, the top side fixed mounting of gyro wheel support column 1 has cardan shaft 5, through cardan shaft 5's setting, can realize that the 7 horizontal directions of draw-bar box rolling wheel rotate 360 to satisfy the walking demand of equidirectional not.

Further, in the above scheme, the roller surrounding shield 6 is provided with i-shaped grooves 13 on the inner walls of both sides thereof, and by the arrangement of the i-shaped grooves 13, the roller rotating bearing 15 and the roller independent spring 14 can be slidably mounted, and the roller rotating bearing 15 is kept to drive the trolley case rolling wheel 7 to move in the vertical direction.

Further, in the above scheme, the same roller rotating bearing 15 is slidably mounted in the two i-shaped grooves 13, and through the arrangement of the roller rotating bearing 15, a roller mounting shaft 16 can be mounted to realize independent rotation of the trolley case rolling wheel 7, so that under any terrain, the two wheels of the trolley case rolling wheel 7 are both in contact with the ground and are stressed.

Further, in the scheme, the roller independent spring 14 is arranged in the I-shaped groove 13, one end of the roller independent spring 14 is fixedly connected with one side of the roller rotating bearing 15, the other end of the roller independent spring 14 is fixedly connected with the inner wall of the top side of the I-shaped groove 13, and through the arrangement of the roller independent spring 14, the rolling wheels 7 of each draw-bar box can be independently damped, so that vibration is small when the road is covered with cement on a rough road surface.

Further, in the above scheme, a roller mounting shaft 16 is rotatably mounted in the roller rotating bearing 15, the two ends of the roller mounting shaft 16 are both fixedly mounted with the trolley case rolling wheels 7, and the trolley case rolling wheels 7 and the roller rotating bearing 15 can be connected through the arrangement of the roller mounting shaft 16, so that the trolley case rolling wheels 7 rotate along the roller rotating bearing 15.

Furthermore, in the above scheme, the rubber buffer ring 8 is fixedly sleeved on the outer side of the trolley case rolling wheel 7, and through the arrangement of the rubber buffer ring 8, a large amount of rigid impact acting on the trolley case rolling wheel 7 can be absorbed, so that the trolley case rolling wheel 7 is damped and prevented from being damaged.

This practical theory of operation:

when the draw-bar box is pulled to pass through a rough cement road surface, the rolling wheels 7 of the draw-bar box are influenced by the road surface and move up and down in an up-and-down fluctuating way, the rolling wheels 7 of the draw-bar box drive the rolling bearings 15 to move through the rolling wheel mounting shafts 16, the rolling bearings 15 compress the independent rolling wheel springs 14 in the I-shaped grooves 13, the damping effect is achieved initially, and the two rolling wheels 7 of the draw-bar box move independently and do not interfere with each other, when the rough road surface is in an up-and-down fluctuating way, the two rolling wheels 7 of the draw-bar box can be simultaneously attached to the ground and simultaneously stressed, the damage of the wheels is avoided while better damping performance is provided, meanwhile, the rollers surround the protective cover 6 to drive the rolling wheel mounting plate 3 to move upwards around the damping rotating shaft 4, the rolling wheel mounting plate 3 compresses the wheel damping springs 11 through the spring bases 10 to achieve, the trolley case rolling wheel 7 can absorb a large amount of rigid impact when passing through rough cement pavement, the roller surrounding shield 6 wraps most of the trolley case rolling wheel 7, so that transverse impact on the trolley case rolling wheel 7 caused by obstacles in complex pavement conditions can be avoided, and the trolley case rolling wheel 7 is further protected from being damaged in rough pavement such as rough cement.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a rough cement road surface draw-bar box pulley protection mechanism, includes gyro wheel support column (1), its characterized in that: shaft hole (12) have been seted up to one side of gyro wheel support column (1), be provided with shock attenuation axis of rotation (4) in shaft hole (12), the both ends of shock attenuation axis of rotation (4) all run through shaft hole (12) and fixed mounting have and extend arm (2), two one end fixedly connected with same gyro wheel mounting panel (3) of extending arm (2), the equal fixed mounting in both sides that gyro wheel mounting panel (3) kept away from each other has the gyro wheel to surround guard shield (6), the top side fixed mounting of gyro wheel mounting panel (3) has spring base (10), one side fixed mounting of gyro wheel support column (1) has spring footstock (9), one side fixedly connected with same wheel body damping spring (11) that spring footstock (9) and spring base (10) are close to.

2. The rough cement pavement draw-bar box pulley protection mechanism of claim 1, characterized in that: and a universal shaft (5) is fixedly mounted on the top side of the roller supporting column (1).

3. The rough cement pavement draw-bar box pulley protection mechanism of claim 1, characterized in that: the inner walls of two sides of the roller surrounding shield (6) are provided with I-shaped grooves (13).

4. The rough cement pavement draw-bar box pulley protection mechanism of claim 3, characterized in that: the same roller rotating bearing (15) is arranged in the two I-shaped grooves (13) in a sliding way.

5. The rough cement pavement draw-bar box pulley protection mechanism of claim 3, characterized in that: and a roller independent spring (14) is arranged in the I-shaped groove (13), one end of the roller independent spring (14) is fixedly connected with one side of a roller rotating bearing (15), and the other end of the roller independent spring (14) is fixedly connected with the inner wall of the top side of the I-shaped groove (13).

6. The rough cement pavement draw-bar box pulley protection mechanism of claim 4, wherein: and a roller mounting shaft (16) is rotatably mounted in the roller rotating bearing (15), and two ends of the roller mounting shaft (16) are fixedly provided with a draw-bar box rolling wheel (7).

7. The rough cement pavement draw-bar box pulley protection mechanism of claim 6, wherein: the outer side of the rolling wheel (7) of the draw-bar box is fixedly sleeved with a rubber buffer ring (8).