CN219515522U - Draw-bar box convenient to go up and down stairs - Google Patents

Abstract

The utility model discloses a draw-bar box convenient for going up and down stairs, which relates to the technical field of draw-bar boxes, in particular to a draw-bar box convenient for going up and down stairs.

Description

Draw-bar box convenient to go up and down stairs

Technical Field

The utility model relates to the technical field of draw-bar boxes, in particular to a draw-bar box convenient for going up and down stairs.

Background

The draw-bar box refers to a luggage box with a draw bar and rollers; is widely used because of convenient use. Meanwhile, the draw-bar box is also provided with a draw bar due to the fact that the draw-bar box is provided with a single-tube draw bar and a double-tube draw bar, and the tubes of the draw bar are also provided with square tubes and round tubes, so that the draw-bar box is convenient to drag during walking, and the burden is greatly reduced. However, the problem existing in the prior art is that the trolley case cannot move when going upstairs, and the trolley case needs to be lifted by manpower, so that certain potential safety hazards exist while labor is wasted.

According to the utility model, when the suitcase is pulled by the handle, the rubber belt sleeved by the movable wheel at the upper end of the sliding device abuts against the part of the stair opening extending out of the stair, and the rubber belt moves along with the extending part of the stair opening by pulling the suitcase, so that the suitcase can conveniently go up the stair without carrying a hand, and the strength is saved; however, the prior art still has problems in that although the rubber belt is provided so as to be slidable on stairs, the sliding device is mounted at one side of the case body and directly exposed to the outside of the case body, so that it is easily damaged, and meanwhile, the device is easily caught on feet without going up and down stairs, so that the device has certain limitations in use.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the draw-bar box which is convenient to go up and down stairs, and solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the device body includes box, pull rod, cat ladder subassembly, auxiliary assembly, universal wheel and buffering subassembly, the box top is provided with the pull rod, and the bottom half is connected with the universal wheel, box one side is provided with the cat ladder subassembly, the cat ladder subassembly includes mounting groove, electric telescopic handle, fixed plate, connecting rod, dead lever, pulley and rubber tape, the mounting groove has been seted up to box one end, the inside fixedly connected with electric telescopic handle of mounting groove, electric telescopic handle one end fixedly connected with fixed plate, the equal fixedly connected with connecting rod in fixed plate both ends, equal fixedly connected with dead lever in connecting rod one end, the fixed lever both ends are connected with the pulley, pulley outer wall cover is equipped with the rubber tape.

Preferably, the cat ladder subassembly one side is provided with auxiliary assembly, auxiliary assembly includes mounting panel, slider, spout, bolt and through-hole.

Preferably, the sliding grooves are symmetrically formed in two sides of one end of the box body, the sliding grooves are internally connected with sliding blocks in a sliding mode, and one end of each sliding block is fixedly connected with the mounting plate.

Preferably, bolts are arranged at the four ends of the mounting plate, and penetrate through the mounting plate and the sliding block and extend to the through holes at the upper ends of the sliding grooves.

Preferably, a buffer assembly is arranged between the universal wheel and the box body, and comprises a mounting frame, a connecting plate, a damper and a buffer spring.

Preferably, the universal wheel both ends all are connected with the mounting bracket, the mounting bracket top all is connected with the connecting plate through the threaded connection, the equal fixedly connected with attenuator of connecting plate upper end, the attenuator outer wall all encircles and is connected with buffer spring.

The utility model provides a draw-bar box convenient for going up and down stairs. The beneficial effects are as follows: this draw-bar box convenient to go up and down stairs through cat ladder subassembly and the auxiliary assembly that sets up, can realize accomodating rubber tape and pulley, has promoted the life of rubber tape and pulley, has also avoided the potential safety hazard simultaneously for the device practicality reinforcing, and application scope is wide.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a ladder assembly according to the present utility model;

FIG. 3 is a schematic view of the auxiliary assembly structure of the present utility model;

FIG. 4 is a schematic view of a buffer assembly according to the present utility model.

In the figure, 1, a device body; 2. a case; 3. a pull rod; 4. a ladder assembly; 41. a mounting groove; 42. an electric telescopic rod; 43. a fixing plate; 44. a connecting rod; 45. a fixed rod; 46. a pulley; 47. a rubber belt; 5. an auxiliary component; 51. a mounting plate; 52. a slide block; 53. a chute; 54. a bolt; 55. a through hole; 6. a universal wheel; 7. a buffer assembly; 71. a mounting frame; 72. a connecting plate; 73. a damper; 74. and a buffer spring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the embodiment of the present utility model provides a technical solution: the utility model provides a draw-bar box convenient to walk up and down stairs, includes device body 1, its characterized in that: the device body 1 includes box 2, pull rod 3, cat ladder subassembly 4, auxiliary assembly 5, universal wheel 6 and buffering subassembly 7, box 2 top is provided with pull rod 3, and box 2 bottom connection and universal wheel 6, box 2 one side is provided with cat ladder subassembly 4, cat ladder subassembly 4 includes mounting groove 41, electric telescopic handle 42, fixed plate 43, connecting rod 44, dead lever 45, pulley 46 and rubber belt 47, mounting groove 41 has been seted up to box 2 one end, the inside fixedly connected with electric telescopic handle 42 of mounting groove 41, electric telescopic handle 42 one end fixedly connected with fixed plate 43, the equal fixedly connected with connecting rod 44 in fixed plate 43 both ends, the equal fixedly connected with dead lever 45 in connecting rod 44 one end, the both ends of fixed lever 45 are connected with pulley 46, pulley 46 outer wall cover is equipped with rubber belt 47. By starting the electric telescopic rod 42, the rubber belt 47 and the pulley 46 are exposed out of the box body 2, and the rubber belt 47 slides along the stairs, so that the purpose of quickly going upstairs is achieved.

An auxiliary assembly 5 is arranged on one side of the ladder stand assembly 4, and the auxiliary assembly 5 comprises a mounting plate 51, a sliding block 52, a sliding groove 53, a bolt 54 and a through hole 55. The mounting plate 51 is pushed, so that the sliding block 52 slides in the sliding groove 53, and the moving effect is achieved.

The two sides of one end of the box body 2 are symmetrically provided with sliding grooves 53, sliding blocks 52 are connected inside the sliding grooves 53 in a sliding mode, and one end of each sliding block 52 is fixedly connected with a mounting plate 51. The protection can be provided to the ladder stand assembly 4 provided inside the inner case 2 by the provided mounting plate 51.

Bolts 54 are arranged at four ends of the mounting plate 51, and the bolts 54 penetrate through the mounting plate 51 and the sliding block 52 and extend to through holes 55 at the upper end of the sliding groove 53. The mounting plate 51 is fixed by pressing the bolts 54 such that the bottoms of the bolts 54 are inserted into the through holes 55.

A buffer assembly 7 is arranged between the universal wheel 6 and the box body 2, and the buffer assembly 7 comprises a mounting frame 71, a connecting plate 72, a damper 73 and a buffer spring 74. When the case 2 is impacted, the buffer spring 74 bounces up and down, and can provide a damping effect for the case 2.

The universal wheel 6 both ends all are connected with the mounting bracket 71, the mounting bracket 71 top all is connected with connecting plate 72 through the screw thread, all fixedly connected with attenuator 73 in connecting plate 72 upper end, the attenuator 73 outer wall all encircles and is connected with buffer spring 74. The buffer spring 74 and the damper 73 are matched with each other, so that the buffer and shock absorption effects of the box body 2 are further improved.

Working principle: when a user goes upstairs, the mounting plate 51 is pushed to enable the sliding block 52 to slide in the sliding groove 53 to achieve a moving effect, when the user goes upstairs, the bolt 54 is pressed down to enable the bottom of the bolt 54 to be inserted into the through hole 55, the mounting plate 51 is fixed, the electric telescopic rod 42 is started to push the fixing plate 43 to move downwards, the rubber belt 47 and the pulley 46 are exposed out of the inside of the box body 2, the box body 2 is carried by the pull rod 3 through pulling, the rubber belt 47 is enabled to contact the stairs, the pulley 46 in the rubber belt 47 is enabled to enable the rubber belt 47 to slide along the stairs, the purpose of fast upstairs is achieved, after the stairs are upstairs, the electric telescopic rod 42 is started to retract, the rubber belt 47 and the pulley 46 are accommodated into the inside of the box body 2, the universal wheel 6 at the bottom of the box body 2 is started to move, vibration can be relieved through the damper 73 and the buffer spring 74, and therefore the buffer and damping effect can be achieved.

The utility model relates to a device body, in particular to a device body; 2. a case; 3. a pull rod; 4. a ladder assembly; 41. a mounting groove; 42. an electric telescopic rod; 43. a fixing plate; 44. a connecting rod; 45. a fixed rod; 46. a pulley; 47. a rubber belt; 5. an auxiliary component; 51. a mounting plate; 52. a slide block; 53. a chute; 54. a bolt; 55. a through hole; 6. a universal wheel; 7. a buffer assembly; 71. a mounting frame; 72. a connecting plate; 73. a damper; 74. and a buffer spring. The components are all common standard components or components known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. Draw-bar box convenient to walk up and down stairs, including device body (1), its characterized in that: the device comprises a device body (1), wherein the device body comprises a box body (2), a pull rod (3), a cat ladder assembly (4), an auxiliary assembly (5), universal wheels (6) and a buffer assembly (7), the pull rod (3) is arranged at the top of the box body (2), the bottom of the box body (2) is connected with the universal wheels (6), the cat ladder assembly (4) is arranged on one side of the box body (2), the cat ladder assembly (4) comprises a mounting groove (41), an electric telescopic rod (42), a fixing plate (43), a connecting rod (44), a fixing rod (45), pulleys (46) and a rubber belt (47), the mounting groove (41) is formed in one end of the box body (2), the electric telescopic rod (42) is fixedly connected with the fixing plate (43), the connecting rods (44) are fixedly connected to the two ends of the fixing plate (43), the fixing rod (45) are fixedly connected with the fixing rod (45) at one end, the two ends of the fixing rod (45) are connected with the pulleys (46), and the outer walls of the pulleys (46) are sleeved with the rubber belt (47).

2. A trolley case for facilitating climbing up and down stairs according to claim 1, wherein: an auxiliary assembly (5) is arranged on one side of the ladder stand assembly (4), and the auxiliary assembly (5) comprises a mounting plate (51), a sliding block (52), a sliding groove (53), a bolt (54) and a through hole (55).

3. A trolley case for facilitating climbing up and down stairs according to claim 1, wherein: the novel refrigerator is characterized in that sliding grooves (53) are symmetrically formed in two sides of one end of the refrigerator body (2), sliding blocks (52) are connected inside the sliding grooves (53) in a sliding mode, and one end of each sliding block (52) is fixedly connected with a mounting plate (51).

4. A trolley case for facilitating climbing up and down stairs according to claim 2, wherein: bolts (54) are arranged at four ends of the mounting plate (51), and the bolts (54) penetrate through the mounting plate (51) and the sliding block (52) and extend to through holes (55) at the upper end of the sliding groove (53).

5. A trolley case for facilitating climbing up and down stairs according to claim 1, wherein: the universal wheel (6) and box (2) intermediate are provided with buffering subassembly (7), buffering subassembly (7) are including mounting bracket (71), connecting plate (72), attenuator (73) and buffer spring (74).

6. A trolley case for facilitating climbing up and down stairs according to claim 1, wherein: the universal wheel (6) both ends all are connected with mounting bracket (71), mounting bracket (71) top all is connected with connecting plate (72) through the screw thread, all fixedly connected with attenuator (73) in connecting plate (72) upper end, attenuator (73) outer wall all encircles and is connected with buffer spring (74).