CN210120940U

CN210120940U - Sliding-inhibiting luggage case

Info

Publication number: CN210120940U
Application number: CN201821515444.9U
Authority: CN
Inventors: 蒋炘鑫; 胡传智; 王文沛; 罗阳
Original assignee: Wuhan University of Science and Engineering WUSE
Current assignee: Wuhan University of Science and Engineering WUSE; Wuhan University of Science and Technology WHUST
Priority date: 2018-09-17
Filing date: 2018-09-17
Publication date: 2020-03-03
Anticipated expiration: 2028-09-17

Abstract

The utility model relates to a slide-inhibiting luggage case, which comprises a case body; the handle comprises a handle and a connecting handle, the connecting handle is arranged on one side of the handle, an alloy rotating shaft is fixed inside the handle, and wire reels are respectively fixed at two ends of the alloy rotating shaft; the bottom end of the pull rod is positioned in the box body, the upper end of the pull rod is connected with the handle, a braking traction wire is arranged in the pull rod, and one end of the braking traction wire is fixed on the wire spool; the truckle is arranged at the bottom of the box body, a brake device is arranged in the truckle, and the brake device is connected with the other end of the braking traction wire. According to the utility model discloses a restrain and slide suitcase only needs the rotation through control handle, alright realize that the braking and the braking of suitcase are relieved, and the person of facilitating the use brakies under emergency or emergency.

Description

Sliding-inhibiting luggage case

Technical Field

The utility model relates to a suitcase technical field especially relates to a restrain and slide suitcase.

Background

The luggage case is a tool commonly used for carrying luggage in daily life, the luggage cases with various sizes and styles can be purchased in the market, and the functional requirements of people on the luggage case are continuously changed. Because the traditional luggage case has no function of sliding inhibition, when people carry the heavy luggage case to take transportation means such as buses and subways or run into a downhill and a road surface bulge, the luggage case out of control and sliding caused by gravity bring inconvenience to people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a restrain and slide suitcase is provided, the person of facilitating the use brakies the suitcase under emergency or emergency, has improved the stability and the controllability of suitcase.

According to the utility model discloses an embodiment, should restrain and slide the suitcase and include: a box body; the handle comprises a handle and a connecting handle, the connecting handle is arranged on one side of the handle, an alloy rotating shaft is fixed inside the handle, and wire reels are respectively fixed at two ends of the alloy rotating shaft; the bottom end of the pull rod is positioned in the box body, the upper end of the pull rod is connected with the handle, a braking traction wire is arranged in the pull rod, and one end of the braking traction wire is fixed on the wire spool; the truckle, the truckle set up in bottom of the box, the truckle embeds there is brake device, brake device with the other end of braking pull wire links to each other.

Therefore, the release and the retraction of the braking traction line in the pull rod can be controlled only by controlling the rotation of the handle, and then the braking traction line acts on the brake device in the caster wheel, so that the braking and the brake release of the luggage case are realized, and a user can brake conveniently in emergency or emergency.

In addition, according to the utility model discloses the luggage case that suppresses skidding of above-mentioned embodiment can also have following additional technical characterstic:

according to the utility model discloses an embodiment, the handle is provided with the spring chamber along handle axial direction in being close to the casing of the one end of connecting the handle, the spring chamber is close to the one side of connecting the handle and is provided with the through-hole, install the external screw thread cylindric lock in the through-hole, the non-screw thread end of external screw thread cylindric lock passes through-hole, screw thread end and one end have internal screw thread drum swivelling joint, the other end of drum is provided with the spring, the spring intracavity is arranged in jointly to drum and spring, just the one end that the drum was kept away from to the spring is fixed in. The spring cavity is characterized in that sliding grooves are formed in two sides of the inner wall of the spring cavity, sliding blocks corresponding to the sliding grooves are arranged on the cylinder and are in sliding connection with the sliding grooves, and a sliding plate is fixed on the upper surface of the cylinder. And the connecting handle is provided with a pin hole corresponding to the external thread cylindrical pin.

Thus, during braking, the sliding plate is slid toward the end of the cylinder where the spring is disposed, the spring is compressed, the cylindrical pin is separated from the pin hole, and the grip and the connection handle are disconnected. At the moment, the handle can be easily rotated, after the handle is rotated for a certain angle, the sliding plate is loosened, the cylindrical pin is reconnected with the corresponding pin hole under the action of the restoring force of the spring, and the handle is reconnected and fixed again.

According to the utility model discloses an embodiment, braking pull wire is reserved has certain length winding and is in on the wire reel.

Therefore, when braking, the handle is rotated, so that a certain length of braking traction wire can be released, and braking is realized.

According to the utility model discloses an embodiment, brake device includes master cylinder, brake cylinder and drum brake, master cylinder and brake cylinder intercommunication, brake cylinder is located drum brake. The brake master cylinder is characterized in that a master cylinder piston is arranged at the upper end of the brake master cylinder, a return spring is arranged in the master cylinder piston, a traction ring is arranged at the top of the master cylinder piston, and the traction ring is connected with the brake traction line. The brake master cylinder is filled with liquid, holes are formed in two ends of the brake master cylinder, and the holes are communicated with the brake wheel cylinder. The drum brake is provided with a pair of brake shoes, and the wheel cylinders are located between adjacent ends of the pair of brake shoes.

Therefore, when braking is carried out, the brake traction line is loosened, the piston of the brake main cylinder is downwards extruded under the action of the contraction force of the return springs on the two sides, so that liquid in the brake main cylinder enters the brake wheel cylinder through the holes on the two sides, the hydraulic pressure in the brake wheel cylinder is increased, the piston of the brake wheel cylinder is ejected towards the two sides and acts on the brake shoe, and finally the braking effect is achieved.

According to the utility model discloses an embodiment, the truckle contains left truckle and right truckle, left side truckle and right truckle are located the shaft both sides respectively, the shaft pass through the connecting axle with bottom half fixed connection, shaft and connecting axle are the cavity structure. The brake master cylinder is located inside the wheel shaft, the master cylinder piston is located in a cavity of the connecting shaft, and the drum brake is located in a tire of the caster.

From this, the stopper device can not additionally increase the volume or the quality of suitcase as the component part of suitcase, and the design is convenient small and exquisite to user's control demand is satisfied in nimble ingenious design.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic perspective view of a sliding-restraining trunk in an embodiment of the present invention.

Fig. 2 is a bottom view of the handle in the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a pull rod in an embodiment of the present invention.

Fig. 4 is a schematic structural view of a caster in an embodiment of the present invention.

Fig. 5 is a top view of a handle in an embodiment of the invention.

Fig. 6 is an exploded view of the handle according to the embodiment of the present invention.

Fig. 7 is a schematic sectional view of a handle according to an embodiment of the present invention.

Fig. 8 is a schematic view of a local internal structure of a caster according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a brake master cylinder and a brake master cylinder piston according to an embodiment of the present invention.

Fig. 10 is a schematic sectional view of a master cylinder and a master cylinder piston according to an embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a drum brake according to an embodiment of the present invention.

In the drawings, the reference numerals denote the following components:

a box body 1;

a handle 2; a grip 21; an alloy rotation shaft 211; a wire spool 2111; spring cavity 212, runner 2121; a through hole 213; an externally threaded cylindrical pin 214; cylinder 215, slide 2151; a spring 216; a connecting handle 22; pin holes 221;

a pull rod 3; a brake traction wire 31;

a caster 4; a brake device 41; a master brake cylinder 411; master cylinder piston 4111; a return spring 4112; a traction ring 4113; a hole 4114; brake wheel cylinders 412; brake wheel cylinder pistons 4121; a brake cylinder return spring 4122; a drum brake 413; a brake shoe 4131; a friction plate 4132; a brake drum 4133; a left caster 42; a tire 421; a right caster 43; a wheel shaft 44 and a connecting shaft 45.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The invention is described below with reference to specific embodiments in conjunction with fig. 1-11.

As shown in fig. 1, according to an embodiment of the present invention, the anti-slide luggage mainly comprises: the device comprises a box body 1, a handle 2, a pull rod 3 and a caster 4.

The handle comprises a grip 21 and a connecting handle 22, the connecting handle 22 is disposed on one side of the grip 21, an alloy rotating shaft 211 is fixed inside the grip 21, and wire reels 2111 (as shown in fig. 2) are disposed at two ends of the alloy rotating shaft 211. The bottom end of the pull rod 3 is positioned in the box body 1, the upper end of the pull rod is connected with the handle 2, a braking traction wire 31 (shown in figure 3) is arranged in the pull rod, and one end of the braking traction wire 31 is fixed on the wire spool 2111. The caster 4 is disposed at the bottom of the case, and a brake device 41 (shown in fig. 1 and 4) is disposed inside the caster, and the brake device 41 is connected to the other end of the brake traction wire 31. Therefore, the release and the retraction of the braking traction wire 31 in the pull rod 3 can be controlled only by controlling the rotation of the grip 21, and then the braking traction wire acts on the brake device 41 in the caster 4, so that the braking and the brake release of the luggage case are realized, and the braking of a user in an emergency or an emergency is facilitated.

As shown in fig. 5-7, in some embodiments of the present invention, a cylindrical spring cavity 212 is disposed in the housing of the handle 21 near the end of the connecting handle 22 along the axial direction of the handle 21, a through hole 213 is disposed on one side of the spring cavity 212 near the connecting handle 22, an external threaded cylindrical pin 214 is installed in the through hole 213, a non-threaded end of the external threaded cylindrical pin 214 passes through the through hole 213, a threaded end is rotatably connected to a cylinder 215 having an internal thread at one end, a spring 216 is disposed at the other end of the cylinder 215, the cylinder 215 and the spring 216 are disposed in the spring cavity 212 together, and one end of the spring 216 far from the cylinder 215 is fixed in the spring cavity. The spring cavity 212 has slide slots 2121 on its inner wall, the cylinder 215 has slide blocks (not shown) corresponding to the slide slots 2121 in its axial direction, the slide slots 2121 are connected to the slide blocks in a sliding manner, the cylinder 215 has slide plates 2151 fixed on its upper surface, and the connecting handle 22 has pin holes 221 corresponding to the externally threaded cylindrical pins 214. Therefore, during braking, when the sliding plate 2151 is slid toward the end of the cylinder 215 where the spring 216 is provided, the spring 216 is compressed, the cylindrical pin 214 is separated from the pin hole 221, the grip 21 and the connecting handle 22 are disconnected, at this time, the grip 21 can be easily rotated, after a certain angle of rotation, the sliding plate 2151 is released, the cylindrical pin 214 is reconnected to the corresponding pin hole 221 by the restoring force of the spring 216, and the grip 21 is fixed again by the connecting handle 22.

Preferably, the number of the pin holes can be multiple, so that the rotation angle of the grip can be controlled through different positions of the pin holes, and the strength of the brake can be controlled.

In some embodiments of the present invention, the brake pulling wire 31 is reserved with a certain length to be wound on the wire reel 2111. Therefore, during braking, the wire reel 2111 on the alloy rotating shaft rotates along with the handle 21, the braking traction wire 31 with a certain length is released, and the braking traction wire is loosened to realize braking.

As shown in fig. 8 to 11, in some embodiments of the present invention, brake device 41 includes a master cylinder 411, a wheel cylinder 412 and a drum brake 413, master cylinder 411 and wheel cylinder 412 are communicated, and wheel cylinder 412 is located in drum brake 413. The upper end of the brake master cylinder 411 is provided with a master cylinder piston 4111, the interior of the brake master cylinder piston 4111 is provided with a return spring 4112, and a top traction ring 4113 of the brake master cylinder piston 4111 is connected with the brake traction line 31. The master cylinder contains liquid, and has holes 4114 at both ends, and the holes 4114 are communicated with the wheel cylinders 412 (as shown in fig. 8-10). The drum brake 413 is provided with a pair of brake shoes 4131, and the wheel cylinders 412 are located between adjacent ends of the pair of brake shoes 4131 (as shown in fig. 11). Therefore, when the brake traction wire 31 is loosened, the master cylinder piston 4111 is pressed downwards under the action of the contraction force of the return springs 4112 on the two sides, so that the liquid in the master cylinder 412 enters the wheel cylinder 412 through the holes 4114 on the two sides, the hydraulic pressure in the wheel cylinder 412 is increased, the wheel cylinder piston 4121 is ejected towards the two sides, the friction plate 4132 attached to the brake shoe 4131 is in contact with the brake drum 4133 inside the caster, the friction force is increased, and the braking effect is finally achieved.

In some embodiments of the present invention, if the vehicle is going to move further, the sliding plate 2151 is slid again to the end of the cylinder 215 on which the spring 216 is disposed, the handle 21 is rotated in the opposite direction, the handle is reset, the sliding plate is released, the originally loosened brake traction wire 31 is wound back on the wire reel 2111 again, and becomes a tight state, the brake master cylinder piston 4111 is lifted under the pulling force of the brake traction wire 31, the liquid in the brake wheel cylinder 412 flows back into the brake master cylinder 411, the brake wheel cylinder 412 is hydraulically lowered, the wheel cylinder piston 4121 is retracted inwards, the brake shoe 4131 is separated from the brake drum 4133 under the action of the return spring 4122 of the brake wheel cylinder 412, and finally the brake is released.

In some embodiments of the present invention, the caster 4 comprises a left caster 42 and a right caster 43, the left caster 42 and the right caster 43 are respectively located at two sides of the axle 44, and the axle 44 is fixed to the bottom of the box 1 through a connecting shaft 45 (as shown in fig. 1 and 4). The axle 44 and the connecting shaft 45 each have a hollow structure. The master cylinder 411 is positioned in the cavity of the wheel shaft 44, the master cylinder piston 4111 is positioned in the cavity of the connecting shaft 45, and the drum brake 413 is positioned in the tire 421 of the caster 4. From this, the stopper device can not additionally increase the volume or the quality of suitcase as the component part of suitcase, and the design is convenient small and exquisite to user's control demand is satisfied in nimble ingenious design.

Specifically, a bottom plate (not shown) of the drum brake is fixed to the wheel shaft 44, and is kept stationary with respect to the wheel shaft 44, and the brake drum 4133 is mounted inside the tire 421 to rotate together with the caster 4.

Master cylinder 311 is preferably cylindrical to match the cavity of axle 44, and master cylinder piston 4111 is configured to match the cavity of connecting shaft 45.

Preferably, the brake master cylinder drag ring 4113 is fixed to the top of the master cylinder in a freely rotatable manner, and the caster connecting shaft 45 is fixed to the bottom of the housing 1 in a freely rotatable manner. The caster 4 of the luggage case can thereby be rotated in various directions.

In some embodiments of the present invention, the pull rod 3 is a retractable pull rod, and when the pull rod 3 is retracted into the box body 1, the braking traction wire 31 is loosened and is in a braking state; after the pull rod 3 is pulled out, the pull wire 31 is tightened, and the brake is released. Therefore, the luggage case is in a braking state when being placed statically under the condition that the pull rod is contracted, and the luggage case is prevented from slipping.

Although embodiments of the present invention have been described in detail above, those of ordinary skill in the art will understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A slide-inhibiting luggage case comprising:

a box body (1);

the handle (2) comprises a grip (21) and a connecting handle (22), the connecting handle (22) is arranged on one side of the grip (21), an alloy rotating shaft (211) is fixed inside the grip (21), and wire reels (2111) are respectively fixed at two ends of the alloy rotating shaft (211);

the bottom end of the pull rod (3) is positioned in the box body (1), the upper end of the pull rod is connected with the handle (2), a braking traction wire (31) is arranged in the pull rod, and one end of the braking traction wire (31) is fixed on the wire spool (2111);

the caster (4), the caster (4) set up in box (1) bottom, the built-in stopper device (41) that has of caster (4), stopper device (41) with the other end of braking pull wire (31) links to each other.

2. The sliding-inhibiting luggage case of claim 1, wherein the grip (21) is close to a cylindrical spring cavity (212) is arranged in the shell of one end of the connecting handle (22) along the axial direction of the grip, the spring cavity (212) is close to one side of the connecting handle (22) and is provided with a through hole (213), an external threaded cylindrical pin (214) is installed in the through hole (213), the non-threaded end of the external threaded cylindrical pin (214) passes through the through hole (213), the threaded end is rotatably connected with a cylinder (215) with an internal thread at one end, the other end of the cylinder (215) is provided with a spring (216), the cylinder (215) and the spring (216) are jointly arranged in the spring cavity (212), and one end of the spring (216) far away from the cylinder (215) is fixed in the spring cavity.

3. The sliding-inhibiting luggage case as claimed in claim 2, wherein sliding grooves (2121) are formed in both sides of the inner wall of the spring cavity (212), sliding blocks corresponding to the sliding grooves (2121) are arranged on the surfaces of both sides of the cylinder (215) along the axial direction, the sliding grooves (2121) are connected with the sliding blocks in a sliding manner, and a sliding plate (2151) is fixed on the upper surface of the cylinder (215).

4. The slide-inhibiting luggage case of claim 2 wherein said connecting handle (22) is provided with a pin hole (221) corresponding to said externally threaded cylindrical pin (214).

5. The anti-skid suitcase according to claim 1, characterized in that said braking traction wire (31) is wound on said spool (2111) with a predetermined length.

6. The skid-resistant luggage case as claimed in claim 1, wherein said brake device (41) comprises a master cylinder (411), a wheel cylinder (412) and a drum brake (413), said master cylinder (411) and wheel cylinder (412) being in communication, said wheel cylinder (412) being located inside said drum brake (413).

7. The skid-resistant luggage case as claimed in claim 6, wherein a master cylinder piston (4111) is disposed at the upper end of the master cylinder (411), a return spring (4112) is disposed inside the master cylinder piston (4111), a traction ring (4113) is disposed at the top of the master cylinder piston (4111), the traction ring (4113) is connected to the brake traction wire (31), the master cylinder (411) contains liquid, holes (4114) are formed at both ends of the master cylinder, the holes (4114) are communicated with a brake cylinder (413), a pair of brake shoes (4131) is disposed inside the drum brake (413), and the brake cylinder (412) is located between the adjacent ends of the pair of brake shoes (4131).

8. The slide-inhibiting luggage case of claim 6 or 7, wherein the caster (4) comprises a left caster (42) and a right caster (43), the left caster (42) and the right caster (43) are respectively arranged at two sides of a wheel axle (44), the wheel axle (44) is connected with the bottom of the luggage body (1) through a connecting shaft (45), and the interiors of the wheel axle (44) and the connecting shaft (45) are both in a cavity structure.

9. The anti-skid luggage case according to claim 8, characterized in that said master cylinder (411) is located in the cavity of said wheel axle (44), said master cylinder piston (4111) is located in the cavity of said connecting shaft (45), and said drum brake (413) is located in the tire (421) of said caster (4).