CN219422380U

CN219422380U - Adjustable pull rod

Info

Publication number: CN219422380U
Application number: CN202223090048.5U
Authority: CN
Inventors: 李洪涛
Original assignee: Leji Technology Beijing Co ltd
Current assignee: Leji Technology Beijing Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-07-28
Anticipated expiration: 2032-11-17

Abstract

The utility model relates to the technical field of bags, in particular to an adjustable pull rod, which comprises a bag body, wherein a base plate is fixed on the bag body, a rod groove and a built-in groove are formed in the base plate, a pull rod is sleeved in the rod groove in a sliding mode, a handle rod is fixed on the pull rod, a concave is formed in the handle rod, a universal wheel is mounted at the lower end of the bag body, and an auxiliary handle is fixed at the upper end of the bag body. According to the utility model, through rotation of the threaded rod and cooperation of the driving of the threaded sleeve, the limiting sliding of the movable limiting rod is realized, so that the two pull rods can be adjusted in an up-and-down movement manner, and the pull-resistant durable effect is good, and the cover body is covered on the substrate, so that the assembly is convenient, and when in maintenance, the cover body can be removed, so that the parts can be maintained.

Description

Adjustable pull rod

Technical Field

The utility model relates to the technical field of bags, in particular to an adjustable pull rod.

Background

The draw-bar box belongs to one of the common types of bags, and refers to a suitcase with a draw bar and rollers, and is widely used due to the convenience in use.

The draw-bar box is also provided with a draw bar due to the fact that the draw bar box is provided with a single-tube draw bar and a double-tube draw bar, and the tubes of the draw bar are also provided with square tubes and round tubes, so that the draw bar box is convenient to drag during walking, and the burden is greatly reduced.

For example, according to the draw-bar box of grant bulletin number CN214432403U a long service life, including draw-bar box case and bag, draw-bar box pull rod, case and bag supporting legs, case and bag remove the universal wheel, pull rod gravity sharing mechanism wheel and dismantle the link piece, wherein: four corners below the draw-bar suitcase are respectively provided with one suitcase moving universal wheel, and four suitcase moving universal wheels are respectively arranged; the pull rod draw box is connected with the pull rod gravity sharing mechanism wheel on the surface of the pull rod draw box case through the dismounting connecting piece.

The utility model has the advantages that the pull rod gravity sharing mechanism wheel and the dismounting connecting piece are arranged, the pull rod gravity sharing mechanism wheel can share some gravity for the pull rod, the situation that the pull rod is broken and loosened due to excessive or overweight gravity is avoided, and the gravity born by the hand of a user is reduced because the gravity of the pull rod is reduced, so that the force required by the user for pulling the luggage is reduced.

At present, the conventional case and bag adopts key-type pin lock structure to stretch out and draw back the adjustment to the pull rod, and although adopt to press can realize the operation, owing to need drag the pull rod structure when removing, simultaneously, key structure also frequently cooperates the use, leads to adjustment mechanism spoilage higher and frequent, greatly reduced the life of pull rod structure.

Disclosure of Invention

The utility model aims to provide an adjustable pull rod so as to solve the problem of improving the durability and pull resistance of a pull rod structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pull rod with adjustable, includes case and bag body, be fixed with the base plate on the case and bag body, be provided with bar groove and built-in groove on the base plate, the slip cap is equipped with the pull rod in the bar inslot, be fixed with the handle pole on the pull rod, be provided with the indent on the handle pole, the universal wheel is installed to the lower extreme of case and bag body, the upper end of case and bag body is fixed with auxiliary handle.

Preferably, the bearing is fixedly embedded in the upper end of the inner wall of the built-in groove, the threaded rod is in interference fit in the bearing, and the knob is fixed on the threaded rod, so that the rotation stability of the threaded rod can be ensured.

Preferably, the lower end of the inner wall of the built-in groove is fixedly provided with a shaft seat, the threaded rod and the shaft seat are rotatably arranged, and the threaded rod is provided with a threaded sleeve in a threaded manner, so that the driving of the pull rod can be realized.

Preferably, the base plate is provided with a limiting hole, two ends of the limiting hole are respectively communicated with the rod groove and the built-in groove, and the rod groove and the built-in groove are of an open groove structure, so that the overhaul or replacement of parts is facilitated.

Preferably, a limiting rod is tightly attached in the limiting hole in a sliding manner, and the limiting rod is fixedly connected with the pull rod and the threaded sleeve respectively, so that the up-and-down movement stability of the pull rod can be realized.

Preferably, the base plate is covered with a cover body, and built-in sleeves are fixedly embedded in two sides of the cover body and can cover and seal the rod groove and the built-in groove.

Preferably, the base plate is provided with a groove, a bayonet lock is sleeved in the groove in a sliding manner, and the bayonet lock is sleeved with the built-in sleeve in a sliding manner, so that the cover body and the base plate can be assembled and disassembled conveniently.

Preferably, a spring is fixed in the groove, and the other end of the spring is fixedly connected with the bayonet lock, so that the telescopic reset stability of the bayonet lock is ensured.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through rotation of the threaded rod and cooperation of the driving of the threaded sleeve, the limiting sliding of the movable limiting rod, the two pull rods can be adjusted in an up-and-down movement manner, and the pull-resistant and durable effect is good.

2. The cover body is covered on the substrate, and the clamping pin is adopted, so that the assembly is convenient, and when the cover body is overhauled, the cover body can be removed, so that parts can be maintained.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a substrate structure according to the present utility model;

FIG. 3 is a schematic view of a mounting structure of a substrate and a cover according to the present utility model.

In the figure: 1. a case body; 11. a substrate; 12. a rod groove; 13. a pull rod; 14. a handle bar; 15. concave; 16. a universal wheel; 17. a built-in groove; 18. an auxiliary handle; 2. a bearing; 21. a threaded rod; 22. a knob; 23. a shaft seat; 24. a thread sleeve; 3. a limiting hole; 31. a limit rod; 4. a cover body; 41. a groove; 42. a bayonet lock; 43. a spring; 44. a built-in sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example I

Referring to fig. 1 and 2, an adjustable pull rod comprises a case body 1, a base plate 11 is fixed on the case body 1, a rod groove 12 and a built-in groove 17 are arranged on the base plate 11, a pull rod 13 is sleeved in the rod groove 12 in a sliding manner, a handle rod 14 is fixed on the pull rod 13, a concave 15 is arranged on the handle rod 14, a universal wheel 16 is mounted at the lower end of the case body 1, and an auxiliary handle 18 is fixed at the upper end of the case body 1.

Referring to fig. 1 and 2, a bearing 2 is fixedly embedded in the upper end of the inner wall of the built-in groove 17, a threaded rod 21 is in interference fit with the bearing 2, and a knob 22 is fixed on the threaded rod 21, so that the rotation stability of the threaded rod 21 can be ensured.

Referring to fig. 1 and 2, an axle seat 23 is fixed at the lower end of the inner wall of the built-in groove 17, a threaded rod 21 and the axle seat 23 are rotatably arranged, and a threaded sleeve 24 is threaded on the threaded rod 21, so that the pull rod 13 can be driven.

When the embodiment is used, the following steps are adopted: when the handle bar 14 needs to be telescopically adjusted, the knob 22 is rotated to drive the threaded rod 21 to positively and negatively rotate, so that the thread sleeve 24 can move, and the limit bar 31 can slide in the limit groove 3 in a matched manner, so that the telescopic adjustment of the pull bar 13 can be realized.

Example II

Referring to fig. 1 and 2, this embodiment further describes an adjustable pull rod for example 1, including a case body 1, a base plate 11 is fixed on the case body 1, a rod groove 12 and a built-in groove 17 are provided on the base plate 11, a pull rod 13 is sleeved in the rod groove 12 in a sliding manner, a handle rod 14 is fixed on the pull rod 13, a concave 15 is provided on the handle rod 14, a universal wheel 16 is installed at the lower end of the case body 1, and an auxiliary handle 18 is fixed at the upper end of the case body 1.

Referring to fig. 1 and 2, a limiting hole 3 is provided on a base plate 11, two ends of the limiting hole 3 are respectively communicated with a rod groove 12 and a built-in groove 17, and the rod groove 12 and the built-in groove 17 are of open groove structures, so that the overhaul or replacement of parts is facilitated.

Referring to fig. 1 and 2, a limiting rod 31 is tightly attached in the limiting hole 3 in a sliding manner, and the limiting rod 31 is fixedly connected with the pull rod 13 and the threaded sleeve 24 respectively, so that the pull rod 13 can move up and down stably.

Referring to fig. 1 and 3, the base plate 11 is covered with a cover body 4, and inner sleeves 44 are fixedly embedded in both sides of the cover body 4 to cover and close the rod groove 12 and the inner groove 17.

Referring to fig. 1 and 3, a groove 41 is formed on the base plate 11, a bayonet lock 42 is slidably sleeved in the groove 41, and the bayonet lock 42 is slidably sleeved with a built-in sleeve 44, so that the cover body 4 and the base plate 11 can be assembled and disassembled conveniently.

Referring to fig. 1 and 3, a spring 43 is fixed in the groove 41, and the other end of the spring 43 is fixedly connected with the bayonet 42, so as to ensure the stability of telescopic reset of the bayonet 42.

When the embodiment is used, the following steps are adopted: when the components on the base plate 11 need to be overhauled, the clamping pin 42 is pressed to enable the compression spring 43 to enter the groove 41, so that the separation from the built-in sleeve 44 can be realized, and the cover body 4 can be detached from the base plate 11.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a pull rod with adjustable, includes case and bag body (1), its characterized in that: the novel suitcase comprises a suitcase body (1), wherein a base plate (11) is fixed on the suitcase body (1), a rod groove (12) and a built-in groove (17) are formed in the base plate (11), a pull rod (13) is arranged in the rod groove (12) in a sliding mode, a handle rod (14) is fixed on the pull rod (13), a concave (15) is formed in the handle rod (14), a universal wheel (16) is mounted at the lower end of the suitcase body (1), an auxiliary handle (18) is fixed at the upper end of the suitcase body (1), a bearing (2) is fixedly embedded in the upper end of the inner wall of the built-in groove (17), a threaded rod (21) is fixedly arranged on the threaded rod (21), a shaft seat (23) is fixedly arranged at the lower end of the inner wall of the built-in groove (17), the threaded rod (21) and the shaft seat (23) are rotatably arranged, a thread sleeve (24) is arranged on the threaded rod (21), a limiting hole (3) is formed in the base plate (11), two ends of the limiting hole (3) are respectively connected with the rod groove (12) and the built-in groove (17), and the limiting hole (31) is fixedly connected with the thread sleeve (31) in the thread sleeve (31).

2. An adjustable tie rod according to claim 1, wherein: the substrate (11) is covered with a cover body (4), and built-in sleeves (44) are fixedly embedded in two sides of the cover body (4).

3. An adjustable tie rod according to claim 2, wherein: the base plate (11) is provided with a groove (41), a bayonet lock (42) is sleeved in the groove (41) in a sliding mode, and the bayonet lock (42) and the built-in sleeve (44) are sleeved in a sliding mode.

4. An adjustable tie rod according to claim 3, wherein: a spring (43) is fixed in the groove (41), and the other end of the spring (43) is fixedly connected with the bayonet lock (42).