CN211154216U

CN211154216U - Draw-bar box pull rod convenient to change

Info

Publication number: CN211154216U
Application number: CN201921965466.XU
Authority: CN
Inventors: 徐良雨
Original assignee: Ruian Hongrui Luggage Accessories Co ltd
Current assignee: Ruian Hongrui Luggage Accessories Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-08-04
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a draw-bar box pull rod convenient to change, including the draw-bar box, the laminating of draw-bar box's inner wall bottom has the rubber slab, the equal rigid coupling in both ends has the riser about the top of rubber slab, two the equal rigid coupling in inboard below of riser has the short slab, two grafting mechanism is all installed in the front of short slab, two the inboard of riser is all processed flutedly, two elevating system is all installed to the inner wall of recess. This draw-bar box pull rod convenient to change has solved current draw-bar box pull rod through grafting mechanism and can't dismantle the problem of changing when using, has realized the convenient maintenance after damaging, has prevented that the draw-bar box can't use, has avoided wholly scrapping, has avoided the waste, has prolonged life, and the cooperation through elevating system and buffer gear has solved the problem that can't carry out the protection to the pull rod, has avoided the extrusion to damage easily, has guaranteed the result of use, and the maintenance cost is reduced, and the practicality is improved, and is convenient for popularize.

Description

Draw-bar box pull rod convenient to change

Technical Field

The utility model relates to a pull rod technical field specifically is a draw-bar box pull rod convenient to change.

Background

The draw-bar box indicates the suitcase that has pull rod and gyro wheel, because of its convenient to use and extensive use, simultaneously, a pull rod is also put because of the case to the draw-bar box, there is the branch of single tube pull rod and double-barrelled pull rod, the pipe of pull rod also has the branch of side's pipe and pipe, to dragging when conveniently walking, alleviate the burden greatly, but current draw-bar box pull rod can't dismantle the change when using, damage the inconvenient maintenance in back, lead to the draw-bar box can't use, lead to wholly scrapping, cause the waste, life has been shortened, and can't protect the pull rod, receive the extrusion and damage easily, influence the result of use, increase maintenance cost, the practicality has been reduced, modern person's user demand is not conform to.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a draw-bar box pull rod convenient to change to propose current draw-bar box pull rod in solving above-mentioned background art and can't dismantle the change when using, damage the inconvenient maintenance in back, lead to the draw-bar box can't use, lead to wholly scrapping, cause the waste, shortened life, and can't protect the pull rod, receive the extrusion and damage easily, influence the result of use, increase maintenance cost, reduced the problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a draw-bar box pull rod convenient to change, includes the draw-bar box, the laminating of the inner wall bottom of draw-bar box has the rubber slab, the equal rigid coupling in both ends has the riser about the top of rubber slab, two the equal rigid coupling in inboard below of riser has the short slab, two grafting mechanism is all installed in the front of short slab, two the inboard of riser is all processed flutedly, two elevating system is all installed to the inner wall of recess, two buffer gear is all installed to elevating system's inboard, two the equal rigid coupling in top of riser has the bent plate, the outer wall rigid coupling of bent plate has the rubber sleeve.

Preferably, grafting mechanism includes swash plate, first round pin axle, torsion spring, first compression spring, concave plate, plectane and wide board, the inner wall of swash plate rotates through the front of first round pin axle with the short slab and links to each other, the outer wall of first round pin axle cup joints with torsion spring's inner wall mutually, torsion spring's the left and right sides respectively with the front of short slab and the right side looks rigid coupling of swash plate, the inner wall top of swash plate and first compression spring's top looks rigid coupling, first compression spring's bottom and concave plate's top looks rigid coupling, the bottom of concave plate is laminated with the top of plectane mutually, the front of plectane and the right side looks rigid coupling of wide plate, the outer wall of wide plate and the below clearance fit of riser, the left side of wide plate and the right side clearance fit of pull rod case.

Preferably, the inclined plate and the circular plate form a sliding mechanism.

Preferably, elevating system includes montant, lagging, bent plate, second round pin axle and long slab, the top of montant and the inner wall top looks rigid coupling of recess, the outer wall of montant and the inner wall clearance fit of lagging, the right side of lagging and the left side looks rigid coupling of bent plate, the positive right side of bent plate is passed through the second round pin axle and is linked to each other with the left side rotation of long slab.

Preferably, the curved plate, the second pin shaft and the long plate form a rotating mechanism.

Preferably, buffer gear includes flange, third round pin axle, longring and second compression spring, the front of flange is rotated with the right side of two longrings through the third round pin axle and is linked to each other, the outer wall of flange and the inner wall slip joint of longring, the right side of flange and the left side looks rigid coupling of second compression spring.

Compared with the prior art, the beneficial effects of the utility model are that: this draw-bar box pull rod convenient to change has solved current draw-bar box pull rod through grafting mechanism and can't dismantle the problem of changing when using, has realized the convenient maintenance after damaging, has prevented that the draw-bar box can't use, has avoided wholly scrapping, has avoided the waste, has prolonged life, and the cooperation through elevating system and buffer gear has solved the problem that can't carry out the protection to the pull rod, has avoided the extrusion to damage easily, has guaranteed the result of use, and the maintenance cost is reduced, and the practicality is improved, and is convenient for popularize.

Drawings

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

fig. 2 is a schematic view of a connection relationship between the swash plate, the first pin and the torsion spring in fig. 1;

FIG. 3 is a schematic view of the connection structure of the vertical rod, the sheathing board and the curved board in FIG. 1;

fig. 4 is a schematic view of a connection relationship between the convex plate, the third pin and the long ring in fig. 1.

In the figure: 1. draw-bar box, 2, grafting mechanism, 201, swash plate, 202, first round pin axle, 203, torsion spring, 204, first compression spring, 205, concave plate, 206, plectane, 207, wide board, 3, elevating system, 301, montant, 302, lagging, 303, bent plate, 304, second round pin axle, 305, long board, 4, buffer gear, 401, protruding board, 402, third round pin axle, 403, long ring, 404, second compression spring, 5, rubber slab, 6, riser, 7, short slab, 8, recess, 9, bent plate, 10, rubber sleeve.

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: the utility model provides a draw-bar box pull rod convenient to change, including draw-bar box 1, the inner wall bottom laminating of draw-bar box 1 has rubber slab 5, the equal rigid coupling in both ends has riser 6 about the top of rubber slab 5, the equal rigid coupling in inboard below of two riser 6 has stub 7, grafting mechanism 2 is all installed in the front of two stub 7, the inboard of two riser 6 is all processed flutedly 8, elevating system 3 is all installed to two recess 8's inner wall, buffer gear 4 is all installed to two elevating system 3's inboard, the equal rigid coupling in top of two riser 6 has bent plate 9, the outer wall rigid coupling of bent plate 9 has rubber sleeve 10.

The inserting mechanism 2 comprises an inclined plate 201, a first pin shaft 202, a torsion spring 203, a first compression spring 204, a concave plate 205, a circular plate 206 and a wide plate 207, wherein the inner wall of the inclined plate 201 is rotationally connected with the front side of the short plate 7 through the first pin shaft 202, the inclined plate 201 is stressed to rotate through the first pin shaft 202, the outer wall of the first pin shaft 202 is sleeved with the inner wall of the torsion spring 203, the left side and the right side of the torsion spring 203 are fixedly connected with the front side of the short plate 7 and the right side of the inclined plate 201 respectively, the inclined plate 201 is rebounded through the torsion spring 203 after being stressed to rotate, the top of the inner wall of the inclined plate 201 is fixedly connected with the top of the first compression spring 204, the elastic coefficient of the first compression spring 204 is 800 plus 1000N/m, the bottom of the first compression spring 204 is fixedly connected with the top of the concave plate 205, the bottom of the concave plate 205 is attached to the top of the circular plate 206, the outer wall of the wide plate 207 is in clearance fit with the lower part of the vertical plate 6, the left side of the wide plate 207 is in clearance fit with the right side of the draw-bar box 1, the inclined plate 201 and the circular plate 206 form a sliding mechanism, the circular plate 206 is stressed to slide up and down through the inner wall of the inclined plate 201, the lifting mechanism 3 comprises a vertical rod 301, a sleeve plate 302, a curved plate 303, a second pin shaft 304 and a long plate 305, the top of the vertical rod 301 is fixedly connected with the top of the inner wall of the groove 8, the outer wall of the vertical rod 301 is in clearance fit with the inner wall of the sleeve plate 302, the sleeve plate 302 is stressed to move up and down through the vertical rod 301, the right side of the sleeve plate 302 is fixedly connected with the left side of the curved plate 303, the right side of the front of the curved plate 303 is rotatably connected with the left side of the long plate 305 through the second pin shaft 304, the curved plate 303, the second pin shaft 304 forms a rotating mechanism, the, the front surface of the convex plate 401 is rotationally connected with the right sides of the two long plates 305 through a third pin shaft 402, the right sides of the long plates 305 are stressed to rotate through the third pin shaft 402, the outer wall of the long plate convex plate 401 is in sliding clamping connection with the inner wall of the long ring 403, the right side of the convex plate 401 is fixedly connected with the left side of the second compression spring 404, and the elastic coefficient of the second compression spring 404 is 600 plus 800N/m.

In this embodiment, when the draw bar is used, first, two sloping plates 201 are pulled outwards, so that the sloping plates 201 rotate outwards through a first pin 202, and then a round plate 206 drives a wide plate 207 to move inwards, then a vertical plate 6 is inserted into the draw bar box 2, so that a rubber pad 5 is tightly pressed against the bottom of the inner wall of the draw bar box 1, then the sloping plates 201 are released, then a torsion spring 203 provides elasticity to drive the sloping plates 201 to rotate back through the first pin 202, so that the wide plate 207 is inserted into the left and right sides of the inner wall of the draw bar box 1, so that the vertical plate 6 and the draw bar box 1 are fixed, when in use, the rubber sleeve 10 is convenient to pull the draw bar box 1, when pressure is applied, the vertical plates 6 on both sides exert pressure inwards, so that a convex plate 401 extrudes a second compression spring 404, the movable convex plate 401 drives a long plate 305 to rotate through a third pin 402, so as to drive a sleeve plate, the second compression spring 404 then provides a spring force to return the raised plate 401 to its original position, thereby allowing the strap 302 to return to its original position by the elongate rod 301, relieving the pressure and protecting the riser 6.

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 draw-bar box pull rod convenient to change, includes draw-bar box (1), its characterized in that: the laminating of inner wall bottom of draw-bar box (1) has rubber slab (5), the equal rigid coupling in both ends has riser (6), two about the top of rubber slab (5) the equal rigid coupling in inboard below of riser (6) has short slab (7), two grafting mechanism (2), two are all installed in the front of short slab (7) the inboard of riser (6) is all processed flutedly (8), two elevating system (3), two are all installed to the inner wall of recess (8) buffer gear (4), two are all installed to the inboard of elevating system (3) the equal rigid coupling in top of riser (6) has bent plate (9), the outer wall rigid coupling of bent plate (9) has rubber sleeve (10).

2. The draw-bar box draw bar of claim 1, wherein: the splicing mechanism (2) comprises an inclined plate (201), a first pin shaft (202), a torsion spring (203), a first compression spring (204), a concave plate (205), a circular plate (206) and a wide plate (207), wherein the inner wall of the inclined plate (201) is rotatably connected with the front side of the short plate (7) through the first pin shaft (202), the outer wall of the first pin shaft (202) is sleeved with the inner wall of the torsion spring (203), the left side and the right side of the torsion spring (203) are fixedly connected with the front side of the short plate (7) and the right side of the inclined plate (201) respectively, the top of the inner wall of the inclined plate (201) is fixedly connected with the top of the first compression spring (204), the bottom of the first compression spring (204) is fixedly connected with the top of the concave plate (205), the bottom of the concave plate (205) is attached to the top of the circular plate (206), and the front side of the circular plate (206) is fixedly connected with the right side of the wide plate (207), the outer wall of the wide plate (207) is in clearance fit with the lower portion of the vertical plate (6), and the left side of the wide plate (207) is in clearance fit with the right side of the draw-bar box (1).

3. The draw-bar box draw bar of claim 2, wherein: the inclined plate (201) and the circular plate (206) form a sliding mechanism.

4. The draw-bar box draw bar of claim 1, wherein: elevating system (3) are including montant (301), lagging (302), bent board (303), second round pin axle (304) and long board (305), the top of montant (301) and the inner wall top rigid coupling of recess (8), the outer wall of montant (301) and the inner wall clearance fit of lagging (302), the right side of lagging (302) and the left side rigid coupling of bent board (303), the positive right side of bent board (303) is passed through second round pin axle (304) and is linked to each other with the left side rotation of long board (305).

5. The draw-bar box draw bar of claim 4, wherein: the curved plate (303), the second pin shaft (304) and the long plate (305) form a rotating mechanism.

6. The draw-bar box draw bar of claim 1, wherein: buffer gear (4) are including flange (401), third round pin axle (402), longhuan (403) and second compression spring (404), the front of flange (401) is passed through the right side rotation of third round pin axle (402) and two longhuans (305) and is linked to each other, the outer wall of flange (401) slides the joint with the inner wall of longhuan (403), the right side of flange (401) and the left side looks rigid coupling of second compression spring (404).