阅读说明：本技术 一种能在栏杆上固定的辅助上楼梯行李箱 (Can be at supplementary suitcase of going upstairs of fixed on railing ) 是由 刘继硬 于 2020-08-17 设计创作，主要内容包括：本发明公开了一种能在栏杆上固定的辅助上楼梯行李箱,包括箱体与底座,所述箱体内设有储物腔,所述储物腔左侧的开口向上的拉杆腔,所述拉杆腔下方设有第一齿轮腔,所述第一齿轮腔向上连通至外部并在中间设有第二齿轮腔,所述第二齿轮腔的上方设有第三齿轮腔,所述第三齿轮腔中设有传动机构,所述传动机构包括电机,所述电机动力连接有电机轴,所述电机轴上固定连接有第一皮带轮第一锥齿轮和棘轮,在要携带本行李箱上楼时,只需要将本行李箱左侧的部分挂在楼梯栏杆上,行李箱可以自己摆正,这时候紧握把手时行李箱便可以自动顺着栏杆往上走,万一手突然松开行李箱不会下滑,还能自己切换成为下楼模式。(The invention discloses an auxiliary stair-climbing luggage case capable of being fixed on a railing, which comprises a case body and a base, wherein a storage cavity is arranged in the case body, a pull rod cavity with an upward opening at the left side of the storage cavity is arranged at the left side of the storage cavity, a first gear cavity is arranged below the pull rod cavity, the first gear cavity is upwards communicated to the outside, a second gear cavity is arranged in the middle of the first gear cavity, a third gear cavity is arranged above the second gear cavity, a transmission mechanism is arranged in the third gear cavity, the transmission mechanism comprises a motor, the motor is in power connection with a motor shaft, a first belt pulley, a first bevel gear and a ratchet wheel are fixedly connected onto the motor shaft, when the luggage case is carried upstairs, only the left side of the luggage case needs to be hung on the stair railing, the luggage case can be self-adjusted, the luggage case can automatically move up along the railing when a handle is tightly held, and the luggage case cannot, and can be switched into a downstairs mode.)

1. The utility model provides a can be on supplementary stair suitcase of fixed on railing, includes box and base, its characterized in that: a storage cavity is arranged in the box body, a pull rod cavity with an upward opening is arranged at the left side of the storage cavity, a first gear cavity is arranged below the pull rod cavity, the first gear cavity is communicated upwards to the outside, a second gear cavity is arranged in the middle of the first gear cavity, a third gear cavity is arranged above the second gear cavity, a transmission mechanism is arranged in the third gear cavity, the transmission mechanism comprises a motor, the motor is in power connection with a motor shaft, a first belt pulley, a first bevel gear and a ratchet wheel are fixedly connected onto the motor shaft, a transmission cavity with a downward opening is arranged at the left side of the third gear cavity, a first roller shaft and a second roller shaft are slidably connected into the transmission cavity, a second bevel gear is fixedly connected onto the first roller shaft, a first spring and a first touch switch are fixedly connected between the upper end of the first roller shaft and the box body, and a third bevel gear is fixedly connected onto the second roller shaft, a second spring is fixedly connected between the upper end of the second roller shaft and the box body, rollers are fixedly connected to the first roller shaft and the second roller shaft, the first bevel gear = is engaged with the second bevel gear, the second bevel gear is engaged with the third bevel gear, a first transmission shaft is rotatably connected to the upper rear portion of the motor shaft, the first transmission shaft is fixedly connected to a second belt pulley and a fourth bevel gear respectively, the second belt pulley and the first belt pulley are driven by a belt, the box body on the left side of the first transmission shaft is rotatably connected to a third roller shaft and a fourth roller shaft, the third roller shaft is fixedly connected to a fifth bevel gear, the fourth roller shaft is fixedly connected to a sixth bevel gear, the fourth bevel gear is engaged with the fifth bevel gear, and the fifth bevel gear is engaged with the sixth bevel gear, the third roller shaft and the fourth roller shaft are also fixedly connected with the rollers respectively.

2. A stair-climbing assistance luggage case securable to a balustrade according to claim 1, wherein: a collar plate is fixedly connected to the outer ring of the ratchet wheel on the box body, a ratchet wheel outer ring is rotatably connected to the outer side of the collar plate, a plurality of ratchet wheel clamping pieces are hinged to the inner ring of the ratchet wheel outer ring, a seventh bevel gear is fixedly connected to the outer side of the ratchet wheel outer ring, a second transmission shaft is rotatably connected to the upper cavity surface and the lower cavity surface of the second gear cavity on the right side of the motor shaft, an eighth bevel gear is fixedly connected to the second transmission shaft and meshed with the seventh bevel gear, a third transmission shaft is slidably connected to the upper cavity surface and the lower cavity surface of the second gear cavity on the right side of the second transmission shaft, the upper end of the third transmission shaft extends to the outside and is fixedly connected with the lower end of a switching button and extends into the first gear cavity, a second touch-press switch is fixedly connected to the lower cavity wall of the first gear cavity below the lower end of the third transmission shaft, and, the ninth bevel gear may be engaged with the eighth bevel gear.

3. A stair-climbing assistance luggage case securable to a balustrade according to claim 1, wherein: the third transmission shaft is fixedly connected with a first gear in the first gear cavity, the upper cavity surface and the lower cavity surface of the first gear cavity on the right side of the third transmission shaft are rotatably connected with a first pull rod shaft which is hollow inside and has an upward opening, the upper end of the first pull rod shaft extends into the pull rod cavity and is in splined connection with a second railing shaft, the first pull rod shaft is fixedly connected with a second gear in the first gear cavity and is meshed with the first gear, the lower end of the first pull rod shaft extends into the brake cavity in the base and is fixedly connected with a slope sleeve, a fixing plate is placed on the slope sleeve, four brake blocks are rotatably connected onto the fixing plate and penetrate through the base from the brake cavity, the base is rotatably connected with a wheel frame at the positions where the brake blocks penetrate, two wheels are rotatably connected to two sides of the wheel frame respectively, and brake springs are fixedly connected between the parts of the brake blocks in the wheel frame and the lower end surface of the wheel frame respectively .

4. A stair-climbing assistance luggage case securable to a balustrade according to claim 1, wherein: the utility model discloses a handle, including the pull rod, pull rod intracavity wall sliding connection has the pull rod, pull rod upper end fixedly connected with handle, second pull rod axle upper end stretches into in the handle and fixedly connected with pinion, suitable position is equipped with the left chamber of opening just in the handle intracavity sliding connection has the trigger plate, fixedly connected with third in the right side chamber wall in chamber touches the pressure switch, the front and back side that triggers the board all is equipped with the rack, the rack that triggers the board front and back side all with pinion toothing, handle left end face top hinge is connected with the grip, the grip with trigger the board contact.

5. A stair-climbing assistance luggage case securable to a balustrade according to claim 1, wherein: the first touch switch and the third touch switch are required to be closed simultaneously to start the motor, and the second touch switch is closed to break the whole circuit.

Technical Field

The invention relates to the field of portable objects, in particular to an auxiliary stair-climbing luggage case capable of being fixed on a railing.

Background

The luggage case is a common and important prop in life, and is convenient for people to carry a large amount of luggage for trip, but the large and heavy luggage case is a troublesome thing when meeting stairs of higher floors;

most of the wheels of the luggage cases on the market do not have a braking function, and the luggage cases can be rolled on a slope or a vehicle and are very inconvenient to roll.

Disclosure of Invention

The invention aims to solve the technical problem of providing an auxiliary stair-climbing luggage case capable of being fixed on a railing, and realizing the function that the luggage case is fixed on the railing and automatically climbs up.

The invention is realized by the following technical scheme.

The invention relates to a luggage case structure diagram capable of being fixed on a railing and assisting in going upstairs, which comprises a case body and a base, wherein a storage cavity is arranged in the case body, a pull rod cavity with an upward opening is arranged at the left side of the storage cavity, a first gear cavity is arranged below the pull rod cavity, the first gear cavity is upwards communicated to the outside, a second gear cavity is arranged in the middle of the first gear cavity, a third gear cavity is arranged above the second gear cavity, a transmission mechanism is arranged in the third gear cavity, the transmission mechanism comprises a motor, the motor is in power connection with a motor shaft, a first belt pulley, a first bevel gear and a ratchet wheel are fixedly connected onto the motor shaft, a transmission cavity with a downward opening is arranged at the left side of the third gear cavity, a first roller shaft and a second roller shaft are slidably connected into the transmission cavity, a second bevel gear is fixedly connected onto the first roller shaft, a first spring and a first touch switch are fixedly connected between the upper end of the, a third bevel gear is fixedly connected to the second roller shaft, a second spring is fixedly connected between the upper end of the second roller shaft and the box body, rollers are fixedly connected to the first roller shaft and the second roller shaft, the first bevel gear = is engaged with the second bevel gear, the second bevel gear is engaged with the third bevel gear, a first transmission shaft is rotatably connected to the rear upper side of the motor shaft, a second belt pulley and a fourth bevel gear are respectively fixedly connected to the first transmission shaft, the second belt pulley and the first belt pulley are driven by a belt, a third roller shaft and a fourth roller shaft are rotatably connected to the box body on the left side of the first transmission shaft, a fifth bevel gear is fixedly connected to the third roller shaft, a sixth bevel gear is fixedly connected to the fourth roller shaft, and the fourth bevel gear is engaged with the fifth bevel gear, the fifth bevel gear is meshed with the sixth bevel gear, and the third roller shaft and the fourth roller shaft are respectively and fixedly connected with the rollers.

Further, a collar plate is fixedly connected to the outer ring of the ratchet wheel on the box body, a ratchet wheel outer ring is rotatably connected to the outer side of the collar plate, a plurality of ratchet wheel clamping pieces are hinged to the inner ring of the ratchet wheel outer ring, a seventh bevel gear is fixedly connected to the outer side of the ratchet wheel outer ring, a second transmission shaft is rotatably connected to the upper cavity surface and the lower cavity surface of the second gear cavity on the right side of the motor shaft, an eighth bevel gear is fixedly connected to the second transmission shaft, the eighth bevel gear is meshed with the seventh bevel gear, a third transmission shaft is slidably connected to the upper cavity surface and the lower cavity surface of the second gear cavity on the right side of the second transmission shaft, the upper end of the third transmission shaft extends to the outside and is fixedly connected with the lower end of a switching button, a second touch switch is fixedly connected to the lower cavity wall of the first gear cavity below the lower end of the third transmission shaft, and a ninth bevel gear is fixedly, the ninth bevel gear may be engaged with the eighth bevel gear.

Further, a first gear is fixedly connected to the third transmission shaft in the first gear cavity, a first pull rod shaft which is hollow inside and has an upward opening is rotatably connected to upper and lower cavity surfaces of the first gear cavity on the right side of the third transmission shaft, the upper end of the first pull rod shaft extends into the pull rod cavity and is in spline connection with a second rocker shaft, a second gear is fixedly connected to the first pull rod shaft in the first gear cavity and is engaged with the first gear, the lower end of the first pull rod shaft extends into the brake cavity in the base and is fixedly connected with a slope sleeve, a fixing plate is placed on the slope sleeve, four brake blocks are rotatably connected to the fixing plate, the four brake blocks penetrate through the base from the brake cavity, the base is rotatably connected with a wheel frame at the positions where the brake blocks penetrate, and two wheels are rotatably connected to two sides of the wheel frame respectively, and brake springs are fixedly connected between the parts of the brake blocks in the wheel frame and the lower end surface of the wheel frame respectively.

Further, sliding connection has the pull rod in the pull rod intracavity chamber wall, pull rod upper end fixedly connected with handle, second pull rod axle upper end stretches into in the handle and fixedly connected with pinion, suitable position is equipped with the opening left chamber just in the handle intracavity sliding connection has the trigger plate, fixedly connected with third touches the pressure switch in the right side chamber wall in chamber, the front and back side that triggers the board all is equipped with the rack, the rack that triggers the board front and back side all with pinion toothing, handle left end face top hinge is connected with the grip plate, the grip plate with trigger the board contact.

Furthermore, the first touch switch and the third touch switch are closed at the same time to start the motor, and the second touch switch is closed to break the whole circuit.

The invention has the beneficial effects that: the device simple structure, the simple operation only needs to hang this suitcase on the stair railing, suitcase alright with oneself just setting up, hold the handle alright with the automation up walk along the railing, if unexpected when going upstairs loosen hand suitcase can not glide, can oneself fix on the railing, can also have the mode that switches into going downstairs, when ground uses, this suitcase must hand the pull rod just can drag, self-braking tire prevents the displacement when the pine is handed.

Drawings

In order to more clearly illustrate the embodiments of the 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, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure at A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram at B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic view of the C-C full section structure in FIG. 2 according to the embodiment of the present invention;

FIG. 5 is a schematic view of the D-D full section structure of FIG. 1 according to an embodiment of the present invention;

FIG. 6 is a schematic view of the full section of E-E in FIG. 5 according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a corresponding mechanism of the outer ring of the ratchet gear in the embodiment of the invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The luggage case capable of being fixed on a railing for assisting to go upstairs, which is described in conjunction with the attached drawings 1-7, comprises a case body 1 and a base 4, wherein a storage cavity 2 is arranged in the case body 1, a pull rod cavity 53 with an upward opening at the left side of the storage cavity 2 is arranged in the left side of the storage cavity 2, a first gear cavity 6 is arranged below the pull rod cavity 53, the first gear cavity 6 is communicated upwards to the outside, a second gear cavity 7 is arranged in the middle of the first gear cavity 6, a third gear cavity 8 is arranged above the second gear cavity 7, a transmission mechanism 54 is arranged in the third gear cavity 8, the transmission mechanism 54 comprises a motor 17, the motor is in power connection with a motor shaft 21, a first belt pulley 18, a first bevel gear 20 and a ratchet 22 are fixedly connected on the motor shaft 21, a transmission cavity 70 with a downward opening is arranged at the left side of the third gear cavity 8, and a first roller shaft 10, a second bevel gear 13 is fixedly connected to the first roller shaft 10, a first spring 15 and a first touch switch 16 are fixedly connected between the upper end of the first roller shaft 10 and the box body 1, a third bevel gear 12 is fixedly connected to the second roller shaft 11, a second spring 14 is fixedly connected between the upper end of the second roller shaft 11 and the box body 1, rollers 9 are fixedly connected to the first roller shaft 10 and the second roller shaft 11, the first bevel gear 20= is meshed with the second bevel gear 13, the second bevel gear 13 is meshed with the third bevel gear 12, a first transmission shaft 41 is rotatably connected to the upper rear side of the motor shaft 21, a second belt pulley 40 and a fourth bevel gear 42 are fixedly connected to the first transmission shaft 41 respectively, the second belt pulley 40 is driven by a belt 19 with the first belt pulley 18, a third roller shaft 45 and a fourth roller shaft 45 are rotatably connected to the box body 1 on the left side of the first transmission shaft 41 A fifth bevel gear 43 is fixedly connected to the third roller shaft 45, a sixth bevel gear 44 is fixedly connected to the fourth roller shaft 46, the fourth bevel gear 42 is meshed with the fifth bevel gear 43, the fifth bevel gear 43 is meshed with the sixth bevel gear 44, and the rollers 9 are respectively and fixedly connected to the third roller shaft 45 and the fourth roller shaft 46.

Beneficially, a collar plate 23 is fixedly connected to the outer ring of the ratchet wheel 22 on the box body 1, a ratchet wheel outer ring 24 is rotatably connected to the outer side of the collar plate 23, a plurality of ratchet wheel clamping pieces 51 are hinged to the inner side of the ratchet wheel outer ring 24, a seventh bevel gear 52 is fixedly connected to the outer side of the ratchet wheel outer ring 24, a second transmission shaft 26 is rotatably connected to the upper and lower cavity surfaces of the second gear cavity 7 on the right side of the motor shaft 21, an eighth bevel gear 25 is fixedly connected to the second transmission shaft, the eighth bevel gear 25 is meshed with the seventh bevel gear 52, a third transmission shaft 28 is slidably connected to the upper and lower cavity surfaces of the second gear cavity 7 on the right side of the second transmission shaft 26, the upper end of the third transmission shaft 28 extends to the outside and is fixedly connected with a switching button 55, the lower end of the third transmission shaft 55 extends into the first gear cavity 6, a second contact switch 56 is fixedly connected to the lower cavity, a ninth bevel gear 27 is fixedly connected to the third transmission shaft 28 in the second gear chamber 7, and the ninth bevel gear 27 can be engaged with the eighth bevel gear 25.

Advantageously, a first gear 29 is fixedly connected to the third transmission shaft 28 in the first gear cavity 6, a first pull rod shaft 31 which is hollow inside and opens upward is rotatably connected to the upper and lower cavity surfaces of the first gear cavity 6 on the right side of the third transmission shaft 28, a second rail shaft 33 is connected to the upper end of the first pull rod shaft 31 and extends into the pull rod cavity 53, a second gear 30 is fixedly connected to the first pull rod shaft 31 in the first gear cavity 6, the third gear 30 is meshed with the first gear 29, a ramp sleeve 32 is fixedly connected to the lower end of the first pull rod shaft 31 and extends into the brake cavity 3 in the base 4, a fixing plate 5 is placed on the ramp sleeve 32, four brake pads 49 are rotatably connected to the fixing plate and extend from the brake cavity 3 to the base 4, and a wheel carrier 47 is rotatably connected to the base 4 where the brake pads 49 extend, two wheels 48 are respectively and rotatably connected to two sides of the wheel frame 47, and a brake spring 50 is fixedly connected between the middle part of the brake piece 49 in the wheel frame 47 and the lower end surface of the wheel frame 47.

Beneficially, there is a pull rod 34 slidably connected in the inner cavity wall of the pull rod cavity 53, a handle 35 is fixedly connected at the upper end of the pull rod, the upper end of the second pull rod shaft 33 extends into the handle 35 and is fixedly connected with a pinion 37, a cavity with a left opening is arranged at a proper position in the handle 35 and is slidably connected with a trigger plate 38 in the cavity, a third touch switch 36 is fixedly connected in the right cavity wall of the cavity, racks are arranged on the front side and the rear side of the trigger plate 38, the racks on the front side and the rear side of the trigger plate 38 are all meshed with the pinion 37, a holding plate 39 is hinged above the left end face of the handle 35, and the holding plate 39 is in contact with the trigger plate 38.

Advantageously, the first touch switch 16 and the third touch switch 36 need to be closed simultaneously to start the motor 17, and the second touch switch 56 is closed to break the entire circuit.

Sequence of mechanical actions of the whole device:

1: when going upstairs, the left-side extending part of the luggage case is hung on the rail, so that the rail is clamped between the rollers 9, the rollers 9 are pressed upwards by the rail, the first roller shaft 10 and the second roller shaft 11 compress the first spring 15 and the second spring 14 respectively to move upwards, the second bevel gear 13 and the third bevel gear 12 are engaged, the second bevel gear 13 and the first bevel gear 20 are engaged, the touch switch 15 is pressed and closed by the first roller shaft 10, at this time, the hand grips the handle 35, the grip plate 39 presses down the trigger plate 38, the trigger plate 38 presses the third touch switch 36 to close the third touch switch 36, the motor 17 is started after the first touch switch 15 and the third touch switch 36 are closed, the motor shaft 21 rotates and drives the first transmission shaft 41 and the second bevel gear 13 through the first pulley 18 and the first bevel gear 20 respectively, the second bevel gear 13 drives the first roller shaft 10 to rotate and drives the second roller shaft 11 through the third bevel gear 12, the rollers 9 on the first roller shaft 10 and the second roller shaft 11 rotate, the first transmission shaft drives the fifth bevel gear 43 and the sixth bevel gear 44 through the fourth bevel gear 42, the third roller shaft 45 and the fourth roller shaft 46 rotate, the rollers 9 on the fourth roller shaft 46 and the third roller shaft 45 rotate, and the luggage case moves upwards through the rotation of the rollers;

2: if the third touch switch 36 is turned off and the motor 17 stops rotating if the hand is released, the motor shaft 21 cannot rotate reversely due to the interaction of the ratchet wheel 22 and the ratchet wheel clamping pieces 51 on the ratchet wheel outer ring 24, so that the four rollers 9 cannot rotate reversely, and the luggage case can be still on the railing and cannot slide down;

3: when going down stairs, the switch 55 is pressed, the third transmission shaft 28 moves downwards, the second touch switch 56 is pressed by the third transmission shaft 28 to break the whole circuit, the ninth bevel gear 27 is engaged with the eighth bevel gear 25, the motor 17 does not rotate any more, the handle 35 is gripped, the grip plate 39 pushes down the trigger plate 38, the movement of the trigger plate 38 rotates the pinion 37, the pinion 37 drives the second pull rod shaft 33 and the first pull rod shaft 31 to rotate, the first pull rod shaft 31 drives the third transmission shaft 28 through the second gear 30 and the first gear 29, the third transmission shaft 28 drives the ratchet outer ring 24 through the ninth bevel gear 27, the eighth bevel gear 25 and the seventh bevel gear 52, the ratchet outer ring 24 rotates a certain angle to make the ratchet card 51 be pressed and retracted by the collar piece 23, the ratchet wheel 22 can slowly rotate reversely in the ring-shaped sheet 23, the four rollers 9 can rotate reversely, the luggage case can move downwards along the railing under the action of gravity, and the ratchet wheel card 51 can clamp the ratchet wheel 22 again when the hand holding the handle 35 is released, and the luggage case is static;

4: when the luggage case is dragged on the ground, the first pull rod shaft 33 rotates a certain angle due to the fact that the handle 35 is gripped, the slope sleeve 32 also rotates a certain angle, the slope sleeve 32 jacks up the fixed plate 5, the brake block 49 on the fixed plate 5 is lifted along with the compression brake spring 50, the wheel 48 is not in contact with the brake block 49 and can rotate freely, the luggage case can be dragged, if the handle 35 is gripped, the fixed plate 5 is pressed down by the slope sleeve 32, the first pull rod shaft 31 rotates reversely, the brake block 49 is pressed by the pressure of the brake spring 50 to press the wheel 48, the wheel 48 is locked and does not rotate, and the luggage case cannot move.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.