CN211268960U

CN211268960U - Draw-bar box capable of hiding universal wheels

Info

Publication number: CN211268960U
Application number: CN201922235434.0U
Authority: CN
Inventors: 徐启金
Original assignee: Wenzhou Weishun Case Co ltd
Current assignee: Wenzhou Weishun Case Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-08-18
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a can hide draw-bar box of universal wheel, including the draw-bar box, the bottom left and right sides of draw-bar box has all processed first recess, two the slide bar rigid coupling is in the bottom left and right sides of first recess, two the outer wall of slide bar all slides and links to each other and have a sliding sleeve, two the inboard rigid coupling of sliding sleeve has first diaphragm, the outside the outer wall of sliding sleeve slides with the inner wall that leads to the groove and links to each other, the outside the top rigid coupling of sliding sleeve has the handle. This can hide draw-bar box of universal wheel passes through the slide bar, the cooperation between sliding sleeve and the universal wheel, make the universal wheel can slide into first recess or shift out first recess, it is fixed position to have avoided there being the universal wheel to be located draw-bar box bottom, when the user places it, generally the selection transversely places the draw-bar box, avoid universal wheel and ground contact, the universal wheel can be with the whole arms that transmit the user of the vibrations of its production, very big influence user removes the process of draw-bar box.

Description

Draw-bar box capable of hiding universal wheels

Technical Field

The utility model relates to a draw-bar box technical field specifically is a can hide draw-bar box of universal wheel.

Background

The draw-bar box is provided withPull rodAndroller wheelIs/are as followsLuggage case. It is widely used because of its convenient use. Meanwhile, the draw-bar box is also provided with a draw bar, a single-tube draw bar and double draw barsThe branch of pipe pull rod, the pipe of pull rod also has the branch of square pipe and pipe, in order to drag when convenient walking, alleviate the burden greatly, though current draw-bar box universal wheel can realize the removal to the draw-bar box, but there is the universal wheel to be fixed position in draw-bar box bottom, when the user places it, the normal selection is transversely placed the draw-bar box, avoid universal wheel and ground contact, cause the draw-bar box to remove, but transversely place and probably cause draw-bar box surface and ground to contact, cause the problem of draw-bar box surface wear, and there is current draw-bar box when removing, when universal wheel and ground concavo-convex department contacted, the universal wheel can be with the whole arms that transmit the user of vibrations that it produced, the process that the user of very big influence removed the draw-bar box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can hide draw-bar box of universal wheel to although current draw-bar box universal wheel that proposes in solving above-mentioned background can realize the removal to draw-bar box, nevertheless there is the universal wheel to be located draw-bar box bottom portion for fixed position, when the user places it, the normal selection transversely places draw-bar box, avoid universal wheel and ground contact, cause the draw-bar box to remove, but transversely place and probably cause draw-bar box surface and ground to contact, cause the problem of draw-bar box surface wear.

In order to achieve the above object, the utility model provides a following technical scheme: a draw-bar box capable of hiding universal wheels comprises a draw-bar box, wherein first grooves are formed in the left side and the right side of the bottom of the draw-bar box, through grooves are formed in the outer sides of the inner walls of the two first grooves, second grooves are formed in the tops of the inner walls of the two first grooves, and moving mechanisms are arranged inside the two first grooves;

the moving mechanism comprises a sliding rod, a sliding sleeve, a first transverse plate and a handle;

two the slide bar rigid coupling is in the bottom left and right sides of first recess, two the outer wall of slide bar all slides and links to each other there is the sliding sleeve, two the inboard rigid coupling of sliding sleeve has first diaphragm, the outside the outer wall of sliding sleeve slides with the inner wall that leads to the groove and links to each other, the outside the top rigid coupling of sliding sleeve has the handle.

Preferably, the surface of the handle is threaded.

Preferably, the bottom of the sliding sleeve on the outer side is provided with a first fixing mechanism;

the first fixing mechanism comprises a first clamping rod, a first spring, a clamping groove block, a barrel, a square rod, a vertical rod and a second spring;

two first kelly all links to each other in the bottom of outside sliding sleeve, two through round pin axle activity the inboard joint of first kelly has first spring, two the outer wall joint of first kelly has the draw-in groove piece, two draw-in groove piece rigid coupling in the left and right sides of draw-bar box respectively, the bottom rigid coupling of draw-in groove piece has the barrel, the inner wall left and right sides rigid coupling of barrel has the square pole, the outer wall of square pole slides and links to each other has two montants, two the inboard of montant all contacts in the outside of two first kellies, the outer wall clearance fit of square pole has the second spring, the both ends joint of second spring is in the inboard of two montants.

Preferably, the two card slot blocks are positioned on the same horizontal line.

Preferably, a damping mechanism is arranged at the top of the first transverse plate;

the damping mechanism comprises a first round rod, an elastic ball, a second round rod, a second transverse plate and a universal wheel;

two first pole communicates respectively in the top left and right sides of first diaphragm, two the outer wall of first pole and the inner wall clearance fit of second recess, two the equal clearance fit of inner wall of first pole has the elastic ball, two the inner wall clearance fit of first pole has the second pole, two the top of second pole all contacts with the bottom of elastic ball, two the bottom rigid coupling of second pole has the second diaphragm, the universal wheel is installed to the bottom of second diaphragm.

Preferably, a second fixing mechanism is arranged inside the second groove;

the second fixing mechanism comprises a clamping block, a second clamping rod and a third spring;

the fixture block is fixedly connected to the tops of the two first round rods, the outer wall of the fixture block is in clearance fit with the inner wall of the second groove, the top of the inner wall of the second groove is movably connected with the two second clamping rods through pin shafts, the two second clamping rods can be connected with the fixture block in a clamped mode, the two outer sides of the second clamping rods are connected with third springs in a clamped mode, and the two outer sides of the third springs are connected with the left side and the right side of the inner wall of the second groove in a clamped mode respectively.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization.

This draw-bar box that can hide universal wheel passes through the slide bar, the cooperation between sliding sleeve and the universal wheel for the universal wheel can slide into first recess or shift out first recess, it is fixed position to have avoided having had the universal wheel to be located draw-bar box bottom, when the user places it, the selection is usually transversely placed with the draw-bar box, avoid universal wheel and ground contact, cause the draw-bar box to remove, but transversely place and probably cause the draw-bar box surface to contact with ground, cause draw-bar box surface wear.

This draw-bar box that can hide universal wheel is through the cooperation between first kelly, second kelly and the fixture block for the universal wheel shifts out the inside back of first recess, can fix, prevents that the universal wheel from not fixing, and inside the second recess that slides in, can't drive the draw-bar box and remove, when the inside of universal wheel immigration first recess, also can fix, reciprocates after avoiding the inside of universal wheel immigration first recess.

This can hide draw-bar box of universal wheel passes through the cooperation between first round bar, second round bar and the elastic ball for when the universal wheel drives the draw-bar box and removes, can carry out the shock attenuation, avoided having had current draw-bar box when removing, when the universal wheel contacted with ground concavo-convex, the universal wheel can be with the whole arms that transmit the user of vibrations of its production, very big influence user removes the process of draw-bar box.

Drawings

FIG. 1 is a schematic view of the connection relationship of the present invention;

FIG. 2 is a schematic view showing the connection relationship between the sliding sleeve, the sliding rod and the first clamping rod in FIG. 1;

FIG. 3 is a schematic view of the connection relationship between the first clamping bar, the vertical bar and the sliding sleeve in FIG. 1;

fig. 4 is a schematic view of a connection relationship between the second groove, the second clamping rod and the third spring in fig. 1.

In the figure: 1. draw-bar box, 2, first recess, 3, logical groove, 4, second recess, 5, moving mechanism, 501, slide bar, 502, sliding sleeve, 503, first diaphragm, 504, handle, 6, first fixed establishment, 601, first kelly, 602, first spring, 603, draw-in groove piece, 604, barrel, 605, square bar, 606, montant, 607, second spring, 7, damper, 701, first round bar, 702, elastic ball, 703, second round bar, 704, second diaphragm, 705, universal wheel, 8, second fixed establishment, 801, fixture block, 802, second kelly, 803, third spring.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a draw-bar box capable of hiding universal wheels comprises a draw-bar box 1, wherein first grooves 2 are respectively processed on the left side and the right side of the bottom of the draw-bar box 1, through grooves 3 are respectively processed on the outer sides of the inner walls of the two first grooves 2, second grooves 4 are respectively processed on the tops of the inner walls of the two first grooves 2, a moving mechanism 5 is respectively arranged inside the two first grooves 2, the moving mechanism 5 comprises slide bars 501, a slide sleeve 502, a first transverse plate 503 and a handle 504, the two slide bars 501 are fixedly connected with the left side and the right side of the bottom of the first grooves 2, the outer walls of the two slide bars 501 are respectively connected with the slide sleeve 502 in a sliding manner, so that the slide sleeve 502 can move up and down on the outer wall of the slide bar 501, the first transverse plate 503 is fixedly connected with the inner sides of the first grooves 1, the outer wall of the outer side slide sleeve 502 is connected with the inner walls of the through grooves 3 in a sliding manner, so that the, the top of outside sliding sleeve 502 is fixedly connected with handle 504, and handle 504 is used for driving outside sliding sleeve 502 to carry out the elevating movement, and the surface processing of handle 504 has the screw thread, and the screw thread is used for increasing the frictional force between handle 504 and the hand.

The bottom of the outer sliding sleeve 502 is provided with a first fixing mechanism 6, the first fixing mechanism 6 comprises a first clamping rod 601, a first spring 602, clamping groove blocks 603, a cylinder 604, a square rod 605, vertical rods 606 and a second spring 607, the two first clamping rods 601 are movably connected to the bottom of the outer sliding sleeve 501 through pin shafts, the inner sides of the two first clamping rods 601 are clamped with the first spring 602, the elastic coefficient of the first spring 602 is 4500N 5500M, the first spring 602 gives an outward force to the two first clamping rods 601, the outer walls of the two first clamping rods 601 are clamped with clamping groove blocks 603, so that the sliding sleeve 501 can be fixed at the bottom of the sliding rod 501 by the first clamping rods 601, the two clamping groove blocks 603 are respectively fixedly connected to the left side and the right side of the draw-bar box 1, the bottom of the clamping groove blocks 603 is fixedly connected with the cylinder 604, the left side and the right side of the inner wall of the cylinder 604 is fixedly connected with the square rod 605, the outer wall of the square rod 605 is connected with the, the vertical rods 606 can slide left and right on the inner wall of the square rod 605, the inner sides of the two vertical rods 606 are in contact with the outer sides of the two first clamping rods 601, when the two vertical rods 606 move in opposite directions, the two first clamping rods 601 can move, the first clamping rods 601 are not clamped with the clamping groove blocks 603, the sliding sleeve 501 can move up and down on the outer wall of the sliding rod 501, a second spring 607 is in clearance fit with the outer wall of the square rod 605, the elastic coefficient of the second spring 607 is 4500-.

The top of the first transverse plate 503 is provided with a damping mechanism 7, the damping mechanism 7 comprises a first round bar 701, an elastic ball 702, a second round bar 703, a second transverse plate 704 and a universal wheel 705, the two first round bars 701 are respectively communicated with the left side and the right side of the top of the first transverse plate 503, the outer walls of the two first round bars 701 are in clearance fit with the inner wall of the second groove 4, after the first horizontal plate 503 moves upward, the two first round rods 802 can enter the interior of the second groove 4, the inner walls of the two first round rods 701 are in clearance fit with the elastic balls 702, the inner walls of the two first round rods 701 are in clearance fit with the second round rods 703, the second round rods 703 can move up and down on the inner wall of the first round rod 701, the tops of the two second round rods 703 are in contact with the bottom of the elastic ball 702, the elastic ball 702 provides downward force to the second round rods 703, the bottoms of the two second round rods 703 are fixedly connected with a second transverse plate 704, and universal wheels 705 are installed at the bottoms of the second transverse plate 704.

The second groove 4 is internally provided with a second fixing mechanism 8, the second fixing mechanism 8 comprises a fixture block 801, a second fixture rod 802 and a third spring 803, the fixture block 801 is fixedly connected to the tops of the two first round rods 701, the outer wall of the fixture block 801 is in clearance fit with the inner wall of the second groove 4, so that the fixture block 801 can move into the second groove 4, the top of the inner wall of the second groove 4 is movably connected with the two second fixture rods 802 through a pin shaft, the two second fixture rods 802 can be clamped with the fixture block 801, so that the fixture block 801 can be fixed after moving into the second groove 4, and further the universal wheel 705 can be fixed after moving into the first groove 2, the outer sides of the two second fixture rods 802 are both clamped with the third spring 803, the elastic coefficient of the third spring 803 is 4500 and 5500N \ M, the outer sides of the two third springs 803 are respectively clamped with the left and right sides of the inner wall of the second groove 4, the third spring 803 gives the second chucking rod 802 an inward force.

When the draw-bar box capable of hiding the universal wheels is used, when a user needs to use the draw-bar box 1, the user moves the handles 504 at two sides downwards to drive the sliding sleeve 502 to move downwards, when the sliding sleeve 502 moves downwards, the clamping block 801 and the second clamping rod 802 are not clamped, so that the universal wheels 705 are not fixed, when the sliding sleeve 502 moves downwards, the sliding sleeve 502 drives the first transverse plate 503 to move downwards, when the sliding sleeve 502 moves to the lowest end of the sliding rod 501, the first clamping rod 601 at the bottom of the outer sliding sleeve 502 is clamped with the clamping groove block 603, so that the universal wheels 705 move out of the first groove 2 and then are fixed, so that the user can drive the draw-bar box 1 to move through the rotation of the universal wheels 705, when the draw-bar box 1 moves, the universal wheels absorb shock on uneven ground through the elastic deformation of the elastic balls 702, when the user finishes using the draw-bar box 1, the user presses the vertical rod 606 on the two sides, so that the vertical rod 606 moves in opposite directions, the first clamping rod 601 moves inwards, the first clamping rod 601 is limited by the clamping groove block 603, and after the limitation is eliminated, the user moves the handle 504, so that the handle 504 drives the universal wheel 705 to move into the first groove 2, the clamping block 801 and the second clamping rod 802 are clamped with each other, and the universal wheel 705 is fixed in the first groove (2).

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can hide draw-bar box of universal wheel, includes draw-bar box (1), first recess (2), two have all been processed to the bottom left and right sides of draw-bar box (1) the inner wall outside of first recess (2) all is processed logical groove (3), two the inner wall top of first recess (2) all is processed second recess (4), its characterized in that: moving mechanisms (5) are arranged in the two first grooves (2);

the moving mechanism (5) comprises a sliding rod (501), a sliding sleeve (502), a first horizontal plate (503) and a handle (504);

two slide bar (501) rigid coupling in the bottom left and right sides of first recess (2), two the outer wall of slide bar (501) all slides and links to each other and has sliding sleeve (502), two the inboard rigid coupling of sliding sleeve (502) has first diaphragm (503), and the outside the outer wall of sliding sleeve (502) slides with the inner wall that leads to groove (3) and links to each other, the outside the top rigid coupling of sliding sleeve (502) has handle (504).

2. The trolley case capable of hiding the universal wheels as claimed in claim 1, wherein: the surface of the handle (504) is processed with screw thread.

3. The trolley case capable of hiding the universal wheels as claimed in claim 1, wherein: a first fixing mechanism (6) is arranged at the bottom of the sliding sleeve (502) at the outer side;

the first fixing mechanism (6) comprises a first clamping rod (601), a first spring (602), a clamping groove block (603), a cylinder body (604), a square rod (605), a vertical rod (606) and a second spring (607);

two first kelly (601) all link to each other in the bottom of outside sliding sleeve (502), two through round pin axle activity the inboard joint of first kelly (601) has first spring (602), two the outer wall joint of first kelly (601) has draw-in groove piece (603), two draw-in groove piece (603) rigid coupling in the left and right sides of draw-bar box (1) respectively, the bottom rigid coupling of draw-in groove piece (603) has barrel (604), the inner wall left and right sides rigid coupling of barrel (604) has square bar (605), the outer wall slip of square bar (605) links to each other two montants (606), two the inboard of montant (606) all contacts in the outside of two first kellies (601), the outer wall clearance fit of square bar (605) has second spring (607), the both ends joint of second spring (607) is in the inboard of two montants (606).

4. The trolley case capable of hiding the universal wheels as claimed in claim 3, wherein: the two clamping groove blocks (603) are positioned on the same horizontal line.

5. The trolley case capable of hiding the universal wheels as claimed in claim 1, wherein: the top of the first transverse plate (503) is provided with a damping mechanism (7);

the damping mechanism (7) comprises a first round rod (701), an elastic ball (702), a second round rod (703), a second transverse plate (704) and a universal wheel (705);

two first round bar (701) communicate respectively in the top left and right sides of first diaphragm (503), two the outer wall of first round bar (701) and the inner wall clearance fit of second recess (4), two the equal clearance fit of inner wall of first round bar (701) has elastic ball (702), two the inner wall clearance fit of first round bar (701) has second round bar (703), two the top of second round bar (703) all contacts with the bottom of elastic ball (702), two the bottom rigid coupling of second round bar (703) has second diaphragm (704), universal wheel (705) are installed to the bottom of second diaphragm (704).

6. The trolley case capable of hiding the universal wheels as claimed in claim 1, wherein: a second fixing mechanism (8) is arranged in the second groove (4);

the second fixing mechanism (8) comprises a clamping block (801), a second clamping rod (802) and a third spring (803);

fixture block (801) rigid coupling is in the top of two first round bars (701), the outer wall of fixture block (801) and the inner wall clearance fit of second recess (4), the inner wall top of second recess (4) links to each other through the round pin axle activity has two second kellies (802), two second kellies (802) can with fixture block (801) looks joint, two the equal joint in outside of second kellies (802) has third spring (803), two the outside of third spring (803) is respectively with the inner wall left and right sides looks joint of second recess (4).