A high-strength compression rod

Abstract

The utility model discloses a high-strength compression-resistant pull rod, which belongs to the technical field of luggage accessories and solves the problem that the movable tube of the existing device, after being pulled out, is separated from the protection of the fixed tube and the sleeve and is easily bent when subjected to large force. The utility model comprises a base, the top surface of the base is fixedly installed with the fixed tube, the inner movably sleeve of the fixed tube is equipped with the movable tube, a sliding groove is provided on one side of the top of the fixed tube, and the side wall of the movable tube is fixedly installed with uniformly distributed reinforcement rods, the reinforcement rod is movably sleeved inside the sliding groove, and the back of the movable tube is fixedly installed with reinforcement ribs, and the inner wall of the sliding groove is provided with a yield groove which is opposite to the position of the reinforcement rib and has the same size as the reinforcement rib. The structural strength of the movable tube is increased by arranging the reinforcement rod and the reinforcement rib, and the bending of the movable tube due to large force is avoided, so as to achieve the purpose of protecting the movable tube, and the arrangement of the sliding groove and the yield groove facilitates the movement of the reinforcement rod and the reinforcement ribs inside the fixed tube.

Description

Technical Field

[0001] The utility model relates to the technical field of luggage accessories, in particular to a high-strength compression-resistant pull rod. Background Art

[0002] The drawbar of the luggage can be extended and retracted. A handle is installed on the top of the drawbar. The handle is equipped with a spring control button. The button pushes the iron wire inside the iron pipe, which then controls the spring bead of the connector on the pipe joint to pop out and retract, thereby achieving the control of the extension and contraction size of the drawbar.

[0003] After searching, the application with patent number CN202022860221.X discloses a high-strength compression-resistant pull rod for luggage, including a movable rod and a fixed rod, the movable rod and the fixed rod constitute a telescopic member; a base is provided at the bottom of the fixed rod, and a handle is provided at the top of the movable rod; the movable rod includes a hollow tube, and the fixed rod includes a solid tube, and each surface of the outer wall of the solid tube is provided with a plurality of groups of vertical convex strips; a concave cavity is provided in the hollow tube, and a wire groove corresponding to the convex strip is provided on the wall of the concave cavity; a convex ridge is provided on the surface of the movable rod, and a reinforcement seat is sleeved on the outer wall of the end of the movable rod, and the reinforcement seat includes a bottom plate level with the end of the movable rod, and a plurality of groups of ribs installed on the bottom plate and fixedly connected to the outer wall of the movable rod;

[0004] Although the high-strength compression-resistant pull rod of the luggage bag adopts ridges on the surface of the movable rod and convex strips on the outer wall of the solid tube, making the pull rod more resistant to compression, after the movable tube of the high-strength compression-resistant pull rod of the luggage bag is pulled out, it is separated from the protection of the fixed tube and the sleeve and is easy to bend when subjected to large force.

[0005] Therefore, we proposed a high-strength compression tie rod. Utility Model Content

[0006] In view of the deficiencies of the prior art, the utility model provides a high-strength compression-resistant pull rod, which solves the problem that the movable tube of the prior device is easily bent when subjected to large force after being pulled out and separated from the protection of the fixed tube and the sleeve.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a high-strength compression-resistant pull rod, comprising a base, a fixed tube fixedly installed on the top surface of the base, a movable tube movably sleeved inside the fixed tube, a handle fixedly installed on the top surface of the movable tube, a slide groove is provided on one side of the top end of the fixed tube, and uniformly distributed reinforcement rods are fixedly installed on the side wall of the movable tube, the size of the reinforcement rods matches the slide groove, the reinforcement rods are movably sleeved inside the slide groove, a reinforcing rib is fixedly installed on the back side of the movable tube, and a yield groove with the same size and opposite position to the reinforcing rib is provided on the inner wall of the slide groove.

[0008] Preferably, a limiting groove is provided on the front side of the movable tube, and a threaded hole opposite to the position of the limiting groove is provided on the top of the front side of the fixed tube, and a bolt is mounted on the internal thread of the threaded hole, wherein the movable tube can be limited by the bolt, and when the movable tube is pulled upward, the end of the bolt slides inside the limiting groove, and then the end of the bolt limits the bottom of the limiting groove, thereby preventing the movable tube from being completely pulled out of the fixed tube.

[0009] Preferably, the end of the bolt is in contact with the inner wall of the limiting groove, so as to facilitate limiting the movable tube.

[0010] Preferably, the outer wall of the movable tube is in contact with the inner wall of the fixed tube, thereby preventing the movable tube from shaking inside the fixed tube, which is beneficial to increasing the stability of the expansion and contraction of the movable tube inside the fixed tube. When the movable tube is contracted inside the fixed tube, the inner wall of the movable tube can also be supported, which is beneficial to increasing the service life of the movable tube.

[0011] Preferably, the outer surface of the handle is fixedly covered with a rubber sleeve, wherein the rubber sleeve can improve the feel when holding the handle and can increase the friction between the handle and the palm, effectively reducing the occurrence of the handle falling out of the hand.

[0012] The utility model provides a high-strength compression-resistant pull rod, which has the following beneficial effects:

[0013] 1. The high-strength compression-resistant pull rod increases the structural strength of the movable tube by setting the reinforcing rod and the reinforcing rib, avoids the bending of the movable tube due to large force, achieves the purpose of protecting the movable tube, and is beneficial to increase the service life of the movable tube. The setting of the sliding groove and the giving way groove facilitates the movement of the reinforcing rod and the reinforcing rib inside the fixed tube, and solves the problem that the movable tube of the existing device is easily bent when it is pulled out and separated from the protection of the fixed tube and the sleeve when subjected to large force;

[0014] 2. The high-strength compression-resistant pull rod is provided with threaded holes, bolts and limit grooves. When the movable tube is pulled upward, the end of the bolt slides inside the limit groove, and then the end of the bolt limits the bottom of the limit groove, thereby preventing the movable tube from being completely pulled out of the fixed tube.

[0015] 3. The high-strength compression-resistant pull rod can prevent the movable tube from shaking inside the fixed tube by fitting the outer wall of the movable tube with the inner wall of the fixed tube, which is beneficial to increasing the stability of the movable tube's expansion and contraction inside the fixed tube. When the movable tube is contracted inside the fixed tube, the inner wall of the movable tube can be supported, which is beneficial to increasing the service life of the movable tube. The rubber sleeve can improve the feel of holding the handle, and can increase the friction between the handle and the palm, effectively reducing the occurrence of the handle falling out of the hand. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the fixed pipe structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the movable tube structure of the utility model.

[0020] In the figure: 1. base; 2. fixed tube; 21. slide groove; 22. threaded hole; 23. clearance groove; 24. bolt; 3. movable tube; 31. reinforcement rod; 32. limit groove; 33. reinforcement rib; 4. handle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0022] like Figure 1-4 As shown: it includes a base 1, a fixed tube 2 is fixedly installed on the top surface of the base 1, a movable tube 3 is movably mounted inside the fixed tube 2, a handle 4 is fixedly installed on the top surface of the movable tube 3, a slide groove 21 is opened on one side of the top of the fixed tube 2, and a uniformly distributed reinforcement rod 31 is fixedly installed on the side wall of the movable tube 3. The size of the reinforcement rod 31 matches the slide groove 21, and the reinforcement rod 31 is movably mounted inside the slide groove 21. A reinforcing rib 33 is fixedly installed on the back of the movable tube 3, and the inner wall of the slide groove 21 is opened with a position opposite to the reinforcing rib 33 and The same-sized clearance grooves 23 increase the structural strength of the movable tube 3 by setting the reinforcement rod 31 and the reinforcement rib 33, thereby preventing the movable tube 3 from bending due to a large force, thereby achieving the purpose of protecting the movable tube 3 and increasing the service life of the movable tube 3. The setting of the slide groove 21 and the clearance groove 23 facilitates the movement of the reinforcement rod 31 and the reinforcement rib 33 inside the fixed tube 2, thereby solving the problem that the movable tube of the existing device is easily bent when it is pulled out and separated from the protection of the fixed tube and the sleeve when subjected to a large force. Example 2

[0023] like Figure 1-4As shown: a limiting groove 32 is provided on the front side of the movable tube 3, a threaded hole 22 is provided on the top of the front side of the fixed tube 2 and is opposite to the limiting groove 32, a bolt 24 is provided on the inner thread of the threaded hole 22, and the end of the bolt 24 is fitted with the inner wall of the limiting groove 32. Through the arrangement of the threaded hole 22, the bolt 24 and the limiting groove 32, when the movable tube 3 is pulled upward, the end of the bolt 24 slides inside the limiting groove 32, and then the end of the bolt 24 limits the bottom of the limiting groove 32, so as to prevent the movable tube 3 from being completely pulled out of the fixed tube 2; Example 3

[0024] like Figure 1-2 As shown: the outer wall of the movable tube 3 fits with the inner wall of the fixed tube 2, and the outer surface of the handle 4 is fixedly covered with a rubber sleeve. The outer wall of the movable tube 3 fits with the inner wall of the fixed tube 2, so that the movable tube 3 can be prevented from shaking inside the fixed tube 2, which is beneficial to increase the stability of the movable tube 3 in the expansion and contraction of the fixed tube 2. When the movable tube 3 shrinks inside the fixed tube 2, the inner wall of the movable tube 3 can also be supported, which is beneficial to increase the service life of the movable tube 3. The rubber sleeve can improve the feel of holding the handle 4, and can increase the friction between the handle 4 and the palm, effectively reducing the occurrence of the handle 4 falling out of the hand.

[0025] The working principle and use process of the utility model: when using the high-strength compression-resistant pull rod, the handle 4 is held to pull out or retract the movable tube 3 upward, and the structural strength of the movable tube 3 is increased by the arrangement of the reinforcing rod 31 and the reinforcing rib 33, thereby avoiding the movable tube 3 from being bent due to a large force. The arrangement of the slide groove 21 and the give-way groove 23 facilitates the movement of the reinforcing rod 31 and the reinforcing rib 33 inside the fixed tube 2. Through the cooperation of the threaded hole 22, the bolt 24 and the limiting groove 32, when the movable tube 3 is pulled out upward, the end of the bolt 24 is clamped in the inside of the limiting groove 32, thereby limiting the movable tube 3, thereby avoiding the movable tube 3 from being completely pulled out and then separated from the fixed tube 2.

[0026] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high-strength compression-resistant pull rod, comprising a base (1), a fixed tube (2) being fixedly mounted on the top surface of the base (1), a movable tube (3) being movably mounted inside the fixed tube (2), and a handle (4) being fixedly mounted on the top surface of the movable tube (3); Features: A slide groove (21) is provided on one side of the top end of the fixed tube (2), and uniformly distributed reinforcement rods (31) are fixedly mounted on the side wall of the movable tube (3), the size of the reinforcement rods (31) matches the slide groove (21), and the reinforcement rods (31) are movably sleeved inside the slide groove (21), and a reinforcement rib (33) is fixedly mounted on the back side of the movable tube (3), and a clearance groove (23) is provided on the inner wall of the slide groove (21) which is opposite to the reinforcement rib (33) and has the same size as that of the reinforcement rib (33).

2. A high-strength compressive pull rod according to claim 1, characterized in that: The movable tube (3) has a limit groove (32) at its front side, the fixed tube (2) has a threaded hole (22) at its top end at its front side that is opposite to the limit groove (32), and a bolt (24) is mounted on the inner thread of the threaded hole (22).

3. A high-strength compressive pull rod according to claim 2, characterized in that: The end of the bolt (24) is in contact with the inner wall of the limiting groove (32).

4. The high-strength compressive pull rod according to claim 1, characterized in that: The outer wall of the movable tube (3) fits the inner wall of the fixed tube (2).

5. The high-strength compressive pull rod according to claim 1, characterized in that: The outer surface of the handle (4) is fixedly sleeved with a rubber sleeve.

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