CN214432403U

CN214432403U - Draw-bar box with long service life

Info

Publication number: CN214432403U
Application number: CN202023216994.0U
Authority: CN
Inventors: 刘敏; 沈敏
Original assignee: Zhejiang Minyu New Material Co ltd
Current assignee: Zhejiang Minyu New Material Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-22
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a long service life's draw-bar box, draw the case and bag including the pull rod and draw the case and bag, draw the case and bag pull rod, case and bag supporting legs, case and bag remove the universal wheel, and mechanism wheel is shared to pull rod gravity and dismantles the linking piece, wherein: four movable universal wheels of the luggage are respectively arranged at four corners below the draw-bar luggage case; the surface of the draw-bar draw-box case is connected with the draw-bar gravity sharing mechanism wheel through the disassembly connecting piece. The utility model discloses mechanism wheel is shared to pull rod gravity and the setting of dismantling the joint piece, and the setting of mechanism wheel is shared to pull rod gravity can share some gravity for the pull rod, avoids the pull rod to receive gravity too much or overweight and the condition that fracture and become flexible appears, and because the gravity of pull rod reduces, so the gravity that the user hand bore also can reduce, is convenient for reduce the required strength of user pulling case and bag.

Description

Draw-bar box with long service life

Technical Field

The utility model belongs to the technical field of the case and bag, especially, relate to a long service life's draw-bar box.

Background

The draw-bar box is a luggage case with a draw bar and rollers, and is widely used due to the convenient use, meanwhile, the draw-bar box is also provided with a draw bar due to the case, the draw bar is divided into a single-tube draw bar and a double-tube draw bar, the tube of the draw bar is divided into a square tube and a round tube, so that the draw-bar box can be conveniently dragged during walking, the burden is greatly reduced, the draw-bar box can be carried by hand and also can be dragged, the wheels of the draw-bar box used by people at ordinary times are basically positioned at the bottom of the case, although the use of the draw-bar box can be realized by the prior art.

The draw-bar box on the existing market can not share gravity for the draw bar, the draw-bar box can be loosened or broken when being used for a long time, the service life of the draw bar can not be guaranteed, and the change of the draw bar is expensive.

Therefore, the invention of the draw-bar box with long service life is necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a long service life's draw-bar box to solve the aforesaid and can't share gravity for the pull rod, draw the not hard up or the fracture of pull rod can appear in the long-time use of case, the life of pull rod can not be ensured, and the change of pull rod also comparatively expensive problem. The utility model provides a long service life's draw-bar box, includes that the draw-bar draws the case and bag, draws the case and bag pull rod, and case and bag supporting legs, case and bag remove the universal wheel, and the pull rod gravity shares mechanism wheel and dismantles the link joint piece, wherein: the draw-bar box is internally provided with the draw-bar box; the draw-bar is connected with a lifting component inside the draw-bar suitcase; the surface of one side of the draw-bar draw-box is provided with four supporting legs of the draw-bar draw-box; four movable universal wheels of the luggage are respectively arranged at four corners below the draw-bar luggage case; the surface of the draw-bar draw-box case is connected with the draw-bar gravity sharing mechanism wheel through the disassembly connecting piece; the pull rod gravity sharing mechanism wheel comprises a rotary carrier column, a lifting sleeve, a lifting cavity, a lifting rod, a sharing gravity wheel, an elastic spring and a blocking equipotential plate; the disassembly connecting piece comprises a connecting fixing block, a connecting threaded rod, a torsion plate and an installation fixing block.

The lifting sleeve is arranged at the center of the lower end face of the rotary carrier column; the lifting cavity is arranged inside the lifting sleeve; the lifting sleeve is connected with one end of the lifting rod through the lifting cavity; the other end of the lifting rod is connected with the sharing gravity wheel; the elastic spring is arranged on the periphery of the lifting rod; the rotary carrier column is provided with the blocking equipotential plate.

Two ends of the rotary carrier column are connected with the disassembly connecting piece through bearings; the rotary carrier column and the lifting sleeve are combined together to form a T-shaped structure; the upper end of the lifting rod penetrates into the lifting sleeve and is arranged in the lifting cavity; the lifting rod is a connecting rod made in an I shape.

The lower end of the elastic spring is connected with the inner side of the lower end of the lifting rod; the upper end of the elastic spring is connected with the periphery of the end face of the lower end of the lifting sleeve; the lifting rod is arranged inside the elastic spring; the blocking equipotential plate is arranged at the center of one side surface of the rotary carrier column; the blocking equipotential plate is a blocking block made of a rectangular block.

The connection threaded rod is arranged in the connection fixed block; one end of the connecting threaded rod is connected with the torsion plate; the other end of the connecting threaded rod is connected with the inside of the mounting fixing block.

The connecting fixed block is a semicircular disc made of a round; one side surface of the connecting fixed block is connected with the rotary carrier column through a bearing; the two mounting and fixing blocks are arranged on the surface of the draw-bar suitcase; the connecting threaded rod sequentially penetrates through the connecting fixed block and the mounting fixed block through threads to be connected.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses the setting of mechanism wheel is shared to pull rod gravity can share some gravity for the pull rod, avoids the pull rod to receive gravity too much or overweight and the condition that fracture and not hard up appears, and because the gravity of pull rod reduces, so the gravity that the user hand bore also can reduce, is convenient for reduce the required strength of user pulling case and bag.

2. The utility model discloses the setting that blocks the equipotential board then makes pull rod gravity share mechanism wheel through its self, and the pull rod draws case and bag and ground to form a triangle-shaped form, is convenient for improve the fastness that pull rod gravity shares mechanism wheel.

3. The utility model discloses the setting of dismantlement linking piece is then in order to avoid not needing pull rod gravity to share mechanism wheel and case and bag too excessively take up an area of, is convenient for reduce its area when not adapting to pull rod gravity to share mechanism wheel, and is convenient for take off and change.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the pull rod detachment joint of fig. 1 according to the present invention.

Fig. 3 is a schematic view of the wheel structure of the pull rod gravity sharing mechanism shown in fig. 1 according to the present invention.

In the figure:

1-a draw-bar suitcase, 2-a draw-bar suitcase, 3-a suitcase supporting foot, 4-a suitcase moving universal wheel, 5-a draw-bar gravity sharing mechanism wheel, 51-a rotating carrier column, 52-a lifting sleeve, 53-a lifting cavity, 54-a lifting rod, 55-a sharing gravity wheel, 56-an elastic spring, 57-a blocking equipotential plate, 6-a disassembly linking piece, 61-a linking fixed block, 62-a linking threaded rod, 63-a torsion plate and 64-an installation fixed block.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, 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 efforts shall belong to the protection scope of the present invention.

In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1 to 3:

the utility model provides a pair of long service life's draw-bar box, draw case and bag 1 including the pull rod, draw case pull rod 2, case and bag supporting legs 3, case and bag remove universal wheel 4, and mechanism wheel 5 is shared to pull rod gravity, and rotatory carrier post 51, lift cover 52, lift chamber 53, lifter 54 share gravity wheel 55, and elasticity spring 56 blocks equipotential plate 57, dismantles linking member 6, links up fixed block 61, links up threaded rod 62, torsion plate 63 and installation fixed block 64, wherein: the draw-bar suitcase and bag 1 is internally provided with the draw-bar suitcase draw-bar 2; the draw-bar 2 is connected with a lifting component inside the draw-bar suitcase 1; the surface of one side of the draw-bar draw-box case 1 is provided with four case supporting legs 3; four movable universal wheels 4 of the luggage are respectively arranged at the four corners below the draw-bar luggage 1; the surface of the draw-bar draw-box case 1 is connected with the draw-bar gravity sharing mechanism wheel 5 through the disassembly connecting piece 6; the lifting sleeve 52 is arranged at the center of the lower end face of the rotary carrier column 51; the lifting cavity 53 is arranged in the lifting sleeve 52; the lifting sleeve 52 is connected with one end of the lifting rod 54 through the lifting cavity 53; the other end of the lifting rod 54 is connected with the sharing gravity wheel 55; the elastic spring 56 is arranged on the periphery of the lifting rod 54; the rotary carrier column 51 is provided with the blocking equipotential plate 57; the engaging threaded rod 62 is arranged in the engaging fixed block 61; one end of the engagement threaded rod 62 is connected with the torsion plate 63; the other end of the engaging threaded rod 62 is connected with the inside of the mounting fixing block 64.

The working process can be seen from fig. 1, 2 and 3:

when the pull-out box is used for storing too many articles and the pull-out box is too heavy, the upper end joint fixing block 61 at the two ends of the rotary carrier column 51 is placed on the position of the installation fixing block 64, at the moment, the rotary torque plate 63 drives the joint threaded rod 62 to rotate, the joint threaded rod 62 penetrates through the joint fixing block 61 and the installation fixing block 64 in a threaded connection mode, so that the pull-rod gravity sharing mechanism wheel 5 is installed on the pull-out box 1, when the pull-out box is moved, one surface of the pull-rod gravity sharing mechanism wheel 5 is closer to the ground, at the moment, because the rotary carrier column 51 is connected with the joint fixing block 61 in a bearing mode, the sharing gravity wheel 55 moves downwards through the self weight until contacting with the ground, and at the moment, the blocking equipotential plate 57 also contacts with the surface of the pull-out box 1, so as to block the sharing wheel 55 from one side again, the state of sharing gravity wheel 55 and ground is vertical form, and because the weight of draw bar draw-box case and bag 1, so elasticity spring 56 can contract, and the lifter 54 upper end just can move to the inside top in lift chamber 53, avoids dismantling link 6 and appears damaging, and dismantles link 6 and can also reduce the weight that draw-box pull rod 2 received because of the slope of draw bar draw-box case and bag 1, and above-mentioned working process is favorable to doing: the setting of the pull rod gravity sharing mechanism wheel can share some gravity for the pull rod, avoid the pull rod to receive too much gravity or overweight and the condition of fracture and not hard up appears, and because the gravity of pull rod reduces, so the gravity that the user hand bore also can reduce, be convenient for reduce the required strength of user pulling case and bag, the setting of stopping equipotential board then makes the pull rod gravity sharing mechanism wheel through itself, the pull rod draws case and bag and ground to form a triangle-shaped, be convenient for improve the fastness of pull rod gravity sharing mechanism wheel, the setting of dismantling the linking piece is then in order not to need pull rod gravity sharing mechanism wheel and case and bag too take up an area, be convenient for reduce its area when not adapting to pull rod gravity sharing mechanism wheel, and be convenient for take off and change.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a long service life's draw-bar box which characterized in that: including pull rod draw-box case and bag (1), draw-box pull rod (2), case and bag supporting legs (3), case and bag remove universal wheel (4), pull rod gravity shares mechanism wheel (5) and dismantles linking piece (6), wherein: the draw-bar box (2) is arranged in the upper end face of the draw-bar draw-box (1); the draw-bar (2) is connected with a lifting component inside the draw-bar suitcase (1); the surface of one side of the draw-bar suitcase and bag (1) is provided with four suitcase supporting legs (3); four movable universal wheels (4) of the luggage are respectively arranged at the four corners below the draw-bar luggage (1); the surface of the draw-bar draw-box case (1) is connected with a draw-bar gravity sharing mechanism wheel (5) through the disassembly connecting piece (6); the pull rod gravity sharing mechanism wheel (5) comprises a rotary carrier column (51), a lifting sleeve (52), a lifting cavity (53), a lifting rod (54), a sharing gravity wheel (55), an elastic spring (56) and a blocking equipotential plate (57); the disassembly connecting piece (6) comprises a connecting fixing block (61), a connecting threaded rod (62), a torsion plate (63) and an installation fixing block (64).

2. A draw-bar box according to claim 1, having a long service life, characterized in that: the lifting sleeve (52) is arranged at the center of the lower end face of the rotary carrier column (51); the lifting cavity (53) is arranged in the lifting sleeve (52); the lifting sleeve (52) is connected with one end of the lifting rod (54) through the lifting cavity (53); the other end of the lifting rod (54) is connected with the sharing gravity wheel (55); the periphery of the lifting rod (54) is provided with the elastic spring (56); the rotary carrier column (51) is provided with the blocking equipotential plate (57).

3. A draw-bar box according to claim 1, having a long service life, characterized in that: two ends of the rotary carrier column (51) are connected with the disassembly connecting piece (6) through bearings; the rotary carrier column (51) and the lifting sleeve (52) are combined together to form a T shape; the upper end of the lifting rod (54) penetrates into the lifting sleeve (52) and is arranged in the lifting cavity (53); the lifting rod (54) is a connecting rod made in an I shape.

4. A draw-bar box according to claim 1, having a long service life, characterized in that: the lower end of the elastic spring (56) is connected with the inner side of the lower end of the lifting rod (54); the upper end of the elastic spring (56) is connected with the periphery of the end face of the lower end of the lifting sleeve (52); the lifting rod (54) is arranged inside the elastic spring (56); the blocking equipotential plate (57) is arranged at the central position of one side surface of the rotary carrier column (51); the blocking equipotential plate (57) is a blocking block made of a rectangular block.

5. A draw-bar box according to claim 1, having a long service life, characterized in that: the connecting threaded rod (62) is arranged in the connecting fixed block (61); one end of the engaging threaded rod (62) is connected with the torsion plate (63); the other end of the connecting threaded rod (62) is connected with the inside of the mounting fixing block (64).

6. A draw-bar box according to claim 1, having a long service life, characterized in that: the connecting fixed block (61) is a semicircular disc made of 2/3 circles; one side surface of the connecting fixed block (61) is connected with the rotary carrier column (51) through a bearing; the two mounting and fixing blocks (64) are arranged on the surface of the draw-bar suitcase (1); the connecting threaded rod (62) sequentially penetrates through the connecting fixed block (61) and the mounting fixed block (64) through threads to be connected.