CN210809621U

CN210809621U - Shock-proof draw-bar box wheel set structure

Info

Publication number: CN210809621U
Application number: CN201922155170.8U
Authority: CN
Inventors: 侯议顺; 余群
Original assignee: Meilyu Technology Fujian Co ltd
Current assignee: Meilyu Technology Fujian Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-06-23
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a draw-bar box wheel group structure of moving away to avoid possible earthquakes, including the wheel seat combination, the lower part of wheel seat combination is provided with the cushion chamber, inlay in the cushion chamber and be equipped with the blotter, the bottom of cushion chamber is provided with axle seat portion, be connected with the gyro wheel on the axle seat portion, the wheel seat combination includes fixing base and connecting axle, the upper end of connecting axle with the fixing base is connected, the rear side an organic whole of connecting axle lower extreme is connected with the tailstock, the cushion chamber sets up on the tailstock. The application provides a draw-bar box wheelset structure equipment of moving away to avoid possible earthquakes is simple, practices thrift the cost.

Description

Shock-proof draw-bar box wheel set structure

Technical Field

The utility model relates to a draw-bar box technical field, concretely relates to draw-bar box wheel group structure of moving away to avoid possible earthquakes.

Background

The draw-bar box is a luggage case with a draw bar and rollers, and is widely used because the draw-bar box is one of necessary articles for traveling. The draw-bar box wheel set on the market at present does not have the function of moving away to avoid possible earthquakes mostly, and when meetting the road surface of jolting, the impact can be directly transmitted to the draw-bar box in, and the article of incasement easily receive the damage, has few draw-bar boxes in addition and realizes the function of moving away to avoid possible earthquakes through the spring, but its equipment is complicated, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a simple, the cost-effective wheel group structure of shock attenuation draw-bar box of equipment.

In order to achieve the above object, the utility model provides a following technical scheme: the wheel set structure of the shock-absorbing draw-bar box comprises a wheel seat assembly, wherein a buffer cavity is arranged at the lower part of the wheel seat assembly, a buffer cushion is embedded in the buffer cavity, a shaft seat part is arranged at the bottom of the buffer cavity, and rollers are connected onto the shaft seat part.

Further, the wheel seat assembly comprises a fixed seat and a connecting shaft, the upper end of the connecting shaft is connected with the fixed seat, the rear side of the lower end of the connecting shaft is integrally connected with a tailstock, and the buffer cavity is arranged on the tailstock.

Furthermore, the inner peripheral wall of the buffer cavity is provided with a positioning boss, and the periphery of the buffer pad is provided with a positioning groove matched with the positioning boss.

Furthermore, the buffer pad is in a meniscus shape, and the shaft seat part is accommodated in the concave part of the buffer pad.

Further, the cushion pad is made of soft rubber.

Furthermore, at least one buffer hole is formed in the buffer pad, and the buffer hole is a meniscus-shaped opposite-shaped hole.

Further, at least one buffering groove is formed in the buffering cushion, the buffering groove is a special-shaped groove, one end of the buffering groove extends towards one end of the buffering cushion in a bending mode, and the other end of the buffering groove extends towards the other end of the buffering cushion in a bending mode.

Further, the wheel seat assembly is subjected to secondary injection molding to form the cushion pad.

Furthermore, the lower part of the wheel seat assembly is connected with the axle seat part through a pair of connecting arms, the end parts of the connecting arms extend to form a first bent arm part and a second bent arm part, a through groove is formed between the first bent arm part and the second bent arm part, and the first bent arm part and the second bent arm part are both connected with the axle seat part.

Furthermore, the bottom of the shaft seat part is connected with a reinforcing rib, and the reinforcing rib is connected between the second bent arm parts of the pair of connecting arms.

According to the above technical solution, the utility model has the advantages that:

compared with the prior art, when receiving the impact, the utility model discloses a blotter produces the buffering effect and realizes the function of moving away to avoid possible earthquakes, and the utility model discloses the equipment is simple, practices thrift the cost.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. In the drawings:

fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is yet another exploded view of the present invention.

Fig. 4 is a schematic structural view of the wheel seat assembly of the present invention.

Fig. 5 is a schematic structural view of a cushion pad according to a first embodiment of the present invention.

Fig. 6 is a schematic structural view of a cushion pad according to a second embodiment of the present invention.

Fig. 7 is a schematic structural view of a cushion pad according to a third embodiment of the present invention.

Labeled as: the wheel seat assembly 1, the buffer cavity 11, the positioning boss 111, the axle seat 12, the connecting arm 13, the first curved arm 131, the second curved arm 132, the through slot 133, the reinforcing rib 14, the fixing seat 15, the connecting shaft 16, the tail seat 17, the buffer pad 2, the positioning slot 21, the recessed portion 22, the buffer hole 23, the round hole 23a, the opposite hole 23b, the buffer groove 24, the first curved segment 241, the second curved segment 242, the third curved segment 243, and the roller 3.

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.

Example one

As shown in fig. 1 to 5, a wheel set structure of a shock-absorbing draw-bar box comprises a wheel seat assembly 1 and two rollers 3, wherein the wheel seat assembly 1 comprises a fixed seat 15 and a connecting shaft 16, the upper end of the connecting shaft 16 is connected with the fixed seat 15, the rear side of the lower end of the connecting shaft 16 is integrally connected with a tailstock 17, a buffer cavity 11 penetrating through two side faces is arranged on the tailstock 17, a buffer pad 2 is embedded in the buffer cavity 11, the buffer pad 2 is in a meniscus shape, a shaft seat part 12 at the bottom of the buffer cavity 11 is accommodated in a concave part 22 of the buffer pad 2, and the rollers 3 are installed on the shaft seat.

As shown in fig. 4, the lower portion of the tailstock 17 is connected to the shaft seat 12 through a pair of connecting arms 13, the ends of the connecting arms 13 extend to form a first bent arm portion 131 and a second bent arm portion 132, a through slot 133 is formed between the first bent arm portion 131 and the second bent arm portion 132, the first bent arm portion 131 and the second bent arm portion 132 are both connected to the shaft seat 12, and in addition, the bottom of the shaft seat 12 is provided with a reinforcing rib 14, and the reinforcing rib 14 is connected between the second bent arm portions 132 of the pair of connecting arms 13.

Preferably, as shown in fig. 2, the inner peripheral wall of the buffer chamber 11 is provided with a positioning boss 111, and the outer periphery of the buffer pad 2 is provided with a positioning groove 21 matched with the positioning boss 111.

Preferably, the wheel-seat assembly 1 is injection molded over the cushion pad 2.

As shown in fig. 1 and 2, the cushion pad 2 is made of soft rubber, so that when the draw-bar box travels on a bumpy road surface, the shock-absorbing wheel set structure of the draw-bar box can absorb the shock received by the cushion pad 2 through elastic deformation, thereby achieving the shock-absorbing effect and more effectively protecting the draw-bar box.

Example two

As shown in fig. 6, the difference between the second embodiment and the first embodiment is that three buffer holes 23 are formed in the buffer pad 2, two ends of each buffer hole 23 penetrate through two side walls of the buffer pad 2, one buffer hole 23 is a meniscus-shaped opposite-shape hole 23b, the other two buffer holes 23 are round holes 23a, and the buffer holes 23 are increased according to the size design of the draw-bar box, so that the buffering effect is better.

EXAMPLE III

As shown in fig. 7, the difference between the third embodiment and the first embodiment is that a buffering groove 24 is formed on the side wall of the cushion pad 2, the buffering groove 24 is a special-shaped groove, the buffering groove 24 is composed of a first bending section 241, a second bending section 242 and a third bending section 243 which are sequentially connected, the first bending section 241 is in a "J" shape, the second bending section 242 is in an "M" shape, the third bending section 243 is in an "L" shape, the first bending section 241 is close to one end of the cushion pad 2, the third bending section 243 is close to the other end of the cushion pad 2, and the buffering groove 24 is increased according to the size design of the draw-bar box, so that the buffering effect is better.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a shock attenuation draw-bar box wheel group structure, includes wheel seat combination (1), its characterized in that, the lower part of wheel seat combination (1) is provided with cushion chamber (11), embedded blotter (2) that are equipped with of cushion chamber (11), the bottom of cushion chamber (11) is provided with axle seat portion (12), be connected with gyro wheel (3) on axle seat portion (12).

2. The wheel set structure of shock absorbing draw-bar box according to claim 1, wherein the wheel seat assembly (1) comprises a fixed seat (15) and a connecting shaft (16), the upper end of the connecting shaft (16) is connected with the fixed seat (15), the rear side of the lower end of the connecting shaft (16) is integrally connected with a tailstock (17), and the buffer cavity (11) is arranged on the tailstock (17).

3. The suspension rod box wheel set structure according to claim 2, wherein the inner peripheral wall of the buffer chamber (11) is provided with a positioning boss (111), and the outer periphery of the buffer pad (2) is provided with a positioning groove (21) matched with the positioning boss (111).

4. The suspension rod box wheel set structure according to claim 2, wherein the cushion pad (2) is crescent-shaped, and the axle seat portion (12) is received in the recess (22) of the cushion pad (2).

5. The suspension rod box wheel set structure according to claim 1, wherein the cushion pad (2) is made of soft rubber.

6. The suspension rod box wheel set structure according to claim 1, wherein the cushion pad (2) is provided with at least one cushion hole (23), and the cushion hole (23) is a crescent-shaped opposite hole (23 b).

7. The suspension rod box wheel set structure according to claim 1, wherein at least one buffer groove (24) is formed on the buffer pad (2), the buffer groove (24) is a shaped groove, one end of the buffer groove (24) extends in a bending way towards one end of the buffer pad (2), and the other end of the buffer groove (24) extends in a bending way towards the other end of the buffer pad (2).

8. The suspension rod box wheel set structure according to any one of claims 1 to 7, wherein the wheel seat assembly (1) is injection molded twice with the cushion pad (2).

9. The suspension rod box wheel set structure according to claim 1, wherein the lower portion of the wheel seat assembly (1) is connected to the axle seat portion (12) through a pair of connecting arms (13), the ends of the connecting arms (13) extend to form a first curved arm portion (131) and a second curved arm portion (132), a through slot (133) is formed between the first curved arm portion (131) and the second curved arm portion (132), and the first curved arm portion (131) and the second curved arm portion (132) are both connected to the axle seat portion (12).

10. The suspension rod box wheel set structure according to claim 9, wherein the bottom of the axle seat portion (12) is connected with a reinforcing rib (14), and the reinforcing rib (14) is connected between the second bent arm portions (132) of the pair of connecting arms (13).