Round pull rod

Abstract

The utility model discloses a round pull rod which comprises a round outer pipe and a round inner pipe, a handle is arranged at one end of the round inner pipe, a limiting hole extending in the axial direction is formed in the round outer pipe, a first auxiliary hole matched with the limiting hole is formed in the round inner pipe, a blocking plate tightly attached to the pipe wall is arranged in the round inner pipe, and a limiting block extending out of the first auxiliary hole is arranged on the blocking plate. The limiting blocks are slidably connected into the limiting holes. A first process hole is formed in the round inner pipe, second process holes are formed in the two sides of the first process hole respectively, a lining is plugged in the round inner pipe, a notch groove extending in the axial direction is formed in the lining, a blocking plate is arranged in the notch groove, third process holes are formed in the two sides of the lining respectively, elastic pieces connected with the lining are arranged in the third process holes, and buttons extending out of the second process holes are arranged on the elastic pieces; a fourth process hole and a fifth process hole are formed in the two ends of the round outer pipe respectively, and the button is arranged in the fourth process hole or the fifth process hole. The pull rod has the advantages of being ingenious in structure, convenient to assemble, complete in overall function and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of luggage accessories, and more specifically, to a round pull rod. Background Art

[0002] The pull rods arranged on the luggage are usually double rod structures, which are convenient for telescopic control, but have complex internal structures, cumbersome assembly, and poor overall effect. Accordingly, the utility model proposes a round pull rod. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and to provide a round pull rod which has the characteristics of ingenious structure and convenient assembly.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model involves a round pull rod, comprising a round outer tube and a round inner tube slidably connected in the round outer tube, a handle is provided at one end of the round inner tube, a limiting hole extending in the axial direction is provided on the round outer tube, a first process hole matching the limiting hole is provided on the round inner tube, a blocking plate close to the tube wall is provided in the round inner tube, a limiting block extending out of the first process hole is provided on the blocking plate, and the limiting block is slidably connected in the limiting hole;

[0005] Second process holes are respectively provided on both sides of the first process hole and are opened on the circular inner tube. A bushing is plugged in the circular inner tube, and a notch groove extending in the axial direction is provided on the bushing. The blocking plate is arranged in the notch groove. Third process holes are respectively provided on both sides of the bushing. A spring piece connected to the bushing is provided in the third process hole, and a button extending out of the second process hole is provided on the spring piece.

[0006] The two ends of the circular outer tube are respectively provided with a fourth process hole matching the second process hole and close to the handle, and a fifth process hole matching the second process hole and far away from the handle, and the button is arranged in the fourth process hole or the fifth process hole.

[0007] The utility model is further configured as follows: the first process hole extends along the axial direction of the circular inner tube, and the limit block extends along the axial direction of the circular inner tube.

[0008] The utility model is further configured as follows: one end of the spring sheet facing the handle is connected to the bushing.

[0009] In summary, the utility model has the following beneficial effects: the round pull rod involved in the utility model presses the blocking plate through the embedded bushing, so that when the bushing and the button on it are assembled, the blocking plate and its upper limit block are installed together, and they adopt self-limiting between each other, without the need for extra fasteners, with ingenious structure, easy assembly, complete overall functions and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 It is a schematic diagram of the structure of the utility model for reflecting the circular inner tube;

[0012] Figure 3 It is a structural schematic diagram of the utility model for embodying a circular outer tube. DETAILED DESCRIPTION

[0013] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0014] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0015] Example 1

[0016] See also Figures 1 to 3 As shown, a round pull rod involved in this embodiment includes a round outer tube 100 and a round inner tube 200 slidably connected in the round outer tube 100, a handle 300 is provided at one end of the round inner tube 200, a limiting hole 1 extending in the axial direction is provided on the round outer tube 100, a first process hole 2 matching the limiting hole is provided on the round inner tube 200, a blocking plate 3 close to the tube wall is provided in the round inner tube 200, a limiting block 4 extending out of the first process hole 2 is provided on the blocking plate 3, and the limiting block 4 is slidably connected in the limiting hole 1;

[0017] The first process hole 2 is provided with second process holes 5 on both sides of the circular inner tube 200, the circular inner tube 200 is plugged with a bushing 6, the bushing 6 is provided with a notch groove 7 extending in the axial direction, the blocking plate 3 is arranged in the notch groove 7, the bushing 6 is provided with third process holes 8 on both sides, the third process hole 8 is provided with a spring piece 9 connected to the bushing 6, and the spring piece 9 is provided with a button 10 extending out of the second process hole 5;

[0018] The two ends of the circular outer tube 100 are respectively provided with a fourth process hole 11 matching the second process hole 5 and close to the handle 300 , and a fifth process hole 12 matching the second process hole 5 and away from the handle 300 . The button 10 is arranged in the fourth process hole 11 or the fifth process hole 12 .

[0019] Furthermore, the first process hole 2 extends along the axial direction of the circular inner tube 200 , and the limit block 4 extends along the axial direction of the circular inner tube 200 .

[0020] Furthermore, one end of the spring piece 9 facing the handle 300 is connected to the bushing 6 .

[0021] In this embodiment, the blocking plate 3 is first installed so that the limit block 4 on the blocking plate 3 extends out of the limit hole 1, and then the bushing 6 is embedded until the blocking plate 3 is located in the notch groove 7. In this way, the blocking plate 3 can be limited, and the spring piece 9 can be inserted into the second process hole 5 and extended out after the button 10 is retracted, so as to achieve circumferential and axial positioning of the bushing 6. Finally, the circular inner tube 200 is inserted into the circular outer tube 100 to ensure that the limit block 4 is slidably connected in the limit hole 1 and the button 10 is arranged in the fourth process hole 11 or the fifth process hole 12.

[0022] The round pull rod involved in the utility model presses the blocking plate by the embedded bushing, so that when the bushing and the upper button are assembled, the blocking plate and the upper limit block are installed together, and the mutual self-limiting is adopted, and no redundant fasteners are required. The structure is ingenious, the assembly is convenient, the overall function is perfect, and the practicability is strong.

[0023] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0024] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A round pull rod, comprising a round outer tube and a round inner tube slidably connected to the round outer tube, one end of the round inner tube is provided with a handle, characterized in that: The outer circular tube is provided with a limiting hole extending in the axial direction, the inner circular tube is provided with a first process hole matching the limiting hole, a blocking plate close to the tube wall is provided in the inner circular tube, a limiting block extending out of the first process hole is provided on the blocking plate, and the limiting block is slidably connected in the limiting hole; Second process holes are respectively provided on both sides of the first process hole and are opened on the circular inner tube. A bushing is plugged in the circular inner tube, and a notch groove extending in the axial direction is provided on the bushing. The blocking plate is arranged in the notch groove. Third process holes are respectively provided on both sides of the bushing. A spring piece connected to the bushing is provided in the third process hole, and a button extending out of the second process hole is provided on the spring piece. The two ends of the circular outer tube are respectively provided with a fourth process hole matching the second process hole and close to the handle, and a fifth process hole matching the second process hole and far away from the handle, and the button is arranged in the fourth process hole or the fifth process hole.

2. The round tie rod according to claim 1, characterized in that: The first process hole extends along the axial direction of the circular inner tube, and the limit block extends along the axial direction of the circular inner tube.

3. The round tie rod according to claim 1 or 2, characterized in that: One end of the spring sheet facing the handle is connected to the bushing.

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