CN113367460A

CN113367460A - Angle-adjustable labor-saving luggage pull rod

Info

Publication number: CN113367460A
Application number: CN202110638449.0A
Authority: CN
Inventors: 庄加兴
Original assignee: Quanzhou Jinke Metal Products Co ltd
Current assignee: Shanghai Neoent Industrial Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-09-10
Anticipated expiration: 2041-06-08
Also published as: CN113367460B

Abstract

The invention discloses an angle-adjustable labor-saving luggage pull rod, which structurally comprises a pull rod seat, two rod bodies, a locking piece positioned at the bottom of the rod bodies, a handle fixed between the top ends of the rod bodies and sleeves arranged at two sides of the bottom end of the pull rod seat, wherein the rod bodies can be slidably arranged in the sleeves, a plurality of locking holes matched with the locking piece are formed in the side walls of the sleeves, each rod body consists of at least two connecting rods, and one adjacent ends of the connecting rods are connected through a rotating mechanism. Meanwhile, the weight loss of the luggage case when the pull rod bears the inclination is avoided, and the use is convenient.

Description

Angle-adjustable labor-saving luggage pull rod

Technical Field

The invention discloses an angle-adjustable labor-saving luggage pull rod, and belongs to the technical field of luggage pull rods.

Background

The draw-bar box, namely the luggage box with the draw bar and the rollers, is commonly used for placing and carrying articles when people go out in life, and is widely used because the articles can be better stored and carried.

Traditional draw-bar box is when using, often for the ease of the suitcase drag the line comfortable, need incline the suitcase and place to the part weight that leads to the suitcase needs to drag the line personnel to bear, leads to dragging the line comparatively hard, because the straight very structure of pull rod, the weight of suitcase directly pushes down the pull rod when dragging the line, and long-term load makes the pull rod damage more easily, leads to inconveniently.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an angle-adjustable labor-saving luggage pull rod to solve the existing problems.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a laborsaving case and bag pull rod of angularly adjustable type, its structure includes pull rod seat, two body of rod, is located the locking piece of body of rod bottom, fixes the handle between the body of rod top and locates the sleeve pipe of pull rod seat bottom both sides, the body of rod slidable locates in the sleeve pipe, the sleeve pipe lateral wall has been seted up a plurality ofly and locking piece matched with locking hole, the body of rod comprises two at least connecting rods, realizes connecting through slewing mechanism between the adjacent one end of each connecting rod.

Further, slewing mechanism comprises pivot, gear, two realize articulated the rotation through alternating the pivot between the connecting rod, pivot one end is equipped with the stopper, pivot other end surface is equipped with the screw thread, the gear movable sleeve is located on the screw thread.

Furthermore, both sides of the rear end of the pull rod seat are provided with toothed plates, the toothed plates are vertically arranged at the rear of the rod body, and the gears are meshed with the toothed plates when the connecting rod is lifted.

Furthermore, all be equipped with the latch on the rotation contact surface at connecting rod both ends, latch looks joint on two connecting rod contact surfaces when gear screw in is inboard.

Furthermore, a nut is connected to the thread in a threaded manner, and the nut is embedded in the center of the gear.

Furthermore, connecting plates are arranged on two sides of the upper end of the connecting rod, a connecting block is arranged in the middle of the lower end of the connecting rod, and the connecting block is located between the two connecting plates and is connected in a hinged mode through the rotating shaft in an inserted mode.

Further, the connecting plate is made of elastic alloy materials.

Furthermore, the handle and the pull rod seat are both made of polyvinyl chloride materials, and the polyvinyl chloride materials have acid and alkali resistance, antimicrobial property and wear resistance.

Further, the number of the rotating mechanisms is the same as the number of the locking holes.

The invention has the beneficial effects that: when the luggage case is used, the rotating mechanism is matched with the toothed plate, so that the pull rod of the equipment can be subjected to angle adjustment, the rotating mechanism at the corresponding position can be subjected to rotating adjustment along with the telescopic gear of the pull rod, only the rotating mechanism at the gear can be ensured to maintain a rotatable state, and the rotating mechanism at the pulled rod body part is in a non-rotatable state, so that the equipment can be used for more comfortably dragging the luggage case under the condition of not inclining the luggage case, the dragging personnel are prevented from bearing part of the weight of the luggage case, the weight loss of the pull rod when the luggage case inclines is avoided, and the luggage case is convenient to use.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of an angle-adjustable labor-saving luggage pull rod of the present invention;

FIG. 2 is a sectional view of the structure of an angle-adjustable labor-saving luggage pull rod of the present invention;

FIG. 3 is a top view of a rotating mechanism of the angle-adjustable labor-saving luggage pull rod of the present invention;

FIG. 4 is a drawing structure of a drawbar seat of the angle-adjustable labor-saving suitcase drawbar of the present invention.

In the figure: the pull rod comprises a pull rod seat-1, a rod body-2, a handle-3 sleeve-4, a connecting rod-5, a rotating mechanism-6, a rotating shaft-7, a gear-8, a thread-9, a toothed plate-10, a latch-11, a connecting plate-12, a connecting block-13 and a limiting block-14.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1-4, the present invention provides a technical solution of an angle-adjustable labor-saving luggage drawbar: the structure of the telescopic rod comprises a pull rod seat 1, two rod bodies 2, a locking piece positioned at the bottom of the rod bodies, a handle 3 fixed between the top ends of the rod bodies and sleeves 4 arranged at two sides of the bottom end of the pull rod seat 1, wherein the rod bodies 2 are slidably arranged in the sleeves 4, a plurality of locking holes matched with the locking piece are formed in the side walls of the sleeves 4, each rod body 2 consists of at least two connecting rods 5, the adjacent ends of the connecting rods 5 are connected through a rotating mechanism 6, the rotating mechanism 6 consists of a rotating shaft 7 and a gear 8, the two connecting rods 5 are hinged through penetrating the rotating shaft 7, one end of the rotating shaft 7 is provided with a limiting block 14, the surface of the other end of the rotating shaft 7 is provided with a thread 9, the gear 8 is movably sleeved on the thread 9, two sides of the rear end of the pull rod seat 1 are both provided with toothed plates 10, and the toothed plates 10 are vertically arranged behind the rod bodies 2, gear 8 is connected with the meshing of pinion rack 10 when connecting rod 5 goes up and down, threaded connection has the nut on the screw thread 9, the nut inlays and locates 8 central point of gear puts, all be equipped with latch 11 on the rotation contact surface at 5 both ends of connecting rod, 11 looks joints of latch on two 5 contact surfaces of connecting rod when 8 screw in of gear is inboard, 5 upper end both sides of connecting rod are equipped with connecting

plate

12, 5 lower extreme middle parts of connecting rod are equipped with connecting block 13, connecting block 13 is located and runs through by pivot 7 again and inserts realization articulated connection in the middle of two connecting plates 12, connecting plate 12 adopts the elastic alloy material to make, handle 3 and pull rod seat 1 all adopt the polyvinyl chloride material to make, the quantity of slewing mechanism 6 is the same with the quantity in locking hole.

For example, the telescopic rod body 2 of the pull rod is composed of a plurality of connecting rods 5, each connecting rod 5 is in a rotating state in the sleeve 4, when the pull rod is raised to a gear position, the rotating mechanism 6 is raised to the pull rod seat 1, the connecting rod 5 at the upper end of the rotating mechanism 6 is in a rotating state and can rotate for ninety degrees, so that the handle 3 can be independently tilted under the condition of not tilting the luggage case, and therefore, a user can drag the luggage case more comfortably and can avoid bearing partial weight of the luggage case, when the pull rod is continuously extended and contracted, the connecting rod 5 is raised, so that the gear 8 is meshed and rotated on the toothed plate 10, and along with the upward movement of the connecting rod 5, the gear 8 gradually moves inwards, so that the connecting plate 12 is pressed inwards, the connecting plate 12 and the connecting block 13 are fixed in a clamping tooth manner, the rotation of the connecting rod 5 is limited, and the section of the rod body held by the user is ensured to be in a straight state, and the second section of the turning mechanism 6 provides turning adjustment for the section of the rod.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of 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 invention 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a laborsaving case and bag pull rod of angularly adjustable type, its structure includes pull rod seat (1), two body of rod (2), is located the locking piece of body of rod bottom, fixes handle (3) between the body of rod top and locates sleeve pipe (4) of pull rod seat (1) bottom both sides, body of rod (2) slidable locate in sleeve pipe (4), its characterized in that: the locking hole that a plurality of and locking piece matched with are seted up to sleeve pipe (4) lateral wall, the body of rod (2) comprises two at least connecting rods (5), realizes connecting through slewing mechanism (6) between the adjacent one end of each connecting rod (5).

2. The labor-saving case drawbar with adjustable angle according to claim 1, characterized in that: slewing mechanism (6) comprise pivot (7), gear (8), two realize articulated rotation through alternating pivot (7) between connecting rod (5), pivot (7) one end is equipped with stopper (14), pivot (7) other end surface is equipped with screw thread (9), gear (8) movable sleeve is located on screw thread (9).

3. The labor-saving case drawbar with adjustable angle according to claim 2, characterized in that: pull rod seat (1) rear end both sides all are equipped with pinion rack (10), pinion rack (10) are vertical to be set up in the body of rod (2) rear, gear (8) are connected with pinion rack (10) meshing when connecting rod (5) go up and down.

4. The labor-saving case drawbar with adjustable angle according to claim 2, characterized in that: and a nut is connected to the thread (9) in a threaded manner and is embedded in the central position of the gear (8).

5. The labor-saving case drawbar with adjustable angle according to claim 2, characterized in that: all be equipped with latch (11) on the rotation contact surface at connecting rod (5) both ends, latch (11) looks joint on two connecting rod (5) contact surfaces when gear (8) screw in is inboard.

6. The labor-saving case drawbar with adjustable angle according to claim 2, characterized in that: connecting rod (5) upper end both sides are equipped with connecting plate (12), connecting rod (5) lower extreme middle part is equipped with connecting block (13), connecting block (13) are located and run through by pivot (7) again and insert and realize articulated the connection in the middle of two connecting plates (12).

7. The labor-saving case drawbar with adjustable angle according to claim 6, characterized in that: the connecting plate (12) is made of elastic alloy materials.

8. The labor-saving case drawbar with adjustable angle according to claim 1, characterized in that: the handle (3) and the pull rod seat (1) are both made of polyvinyl chloride materials.

9. The labor-saving case drawbar with adjustable angle according to claim 1, characterized in that: the number of the rotating mechanisms (6) is the same as that of the locking holes.