Novel cross rod assembly

Abstract

The utility model belongs to the technical field of supporting components, and particularly relates to a novel cross rod assembly which comprises a first rod body, a second rod body and a third rod body which are sequentially connected, one end of the second rod body extends into the first rod body, the other end of the second rod body extends into the third rod body, and at least part of the second rod body is in threaded limiting connection with the inner wall of the first rod body. A plurality of first screw holes are formed in the surface of the third rod body at intervals, and the second rod body is fixed to the first screw holes through the first pair of pin bolts. The structural strength, the adjusting flexibility and the universality of the cross rod assembly are effectively enhanced, so that the cross rod assembly has good overall stability performance.

Description

Technical Field

[0001] The utility model belongs to the technical field of supporting components, and particularly relates to a novel crossbar assembly. Background Art

[0002] Crossbars can be used to build important support frames with high strength. The existing crossbar structure is simple and its length cannot be adjusted efficiently, resulting in poor adjustability and weak strength of the crossbar, which is far from meeting the requirements of frame modularization and overall stability. Therefore, it is urgent to propose a new technical solution to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a new crossbar assembly to address the deficiencies of the prior art, which can enable the crossbar to have better adjustment flexibility.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A new cross bar assembly includes a first rod body, a second rod body and a third rod body connected in sequence, one end of the second rod body extends into the first rod body, the other end of the second rod body extends into the third rod body, at least a portion of the second rod body is threadedly connected to the inner wall of the first rod body, a plurality of first screw holes are arranged at intervals on the surface of the third rod body, and the second rod body is fixed to the first screw holes by a first pair of pin bolts.

[0006] Furthermore, the second rod body has a first limiting hole corresponding to the first screw hole, and the first pair of pin bolts are passed through and fixed in the first limiting hole.

[0007] Furthermore, a first fastener is provided on the surface of the third rod body and is threadedly limitedly connected to the first pair of pin bolts.

[0008] Furthermore, a first annular sleeve is provided between the first fastener and the third rod body, the first annular sleeve is sleeved on the third rod body, and the first pair of pin bolts is passed through the first annular sleeve.

[0009] Furthermore, a reinforcement piece is sleeved on the outer wall of the first rod body, a second screw hole is provided on the surface of the reinforcement piece, and the second rod body is fixed to the second screw hole by a second pair of pin bolts.

[0010] Furthermore, at least a portion of the reinforcement is welded to the outer wall of the first rod body.

[0011] Furthermore, the second rod body has a second limiting hole corresponding to the second screw hole, and the second pair of pin bolts are passed through and fixed in the second limiting hole.

[0012] Furthermore, a second fastener is provided on the surface of the reinforcement member and is threadedly connected to the second pair of pin bolts.

[0013] Furthermore, a second annular sleeve is provided between the second fastener and the reinforcement member, the second annular sleeve is sleeved on the reinforcement member, and the second pair of pin bolts is passed through the second annular sleeve.

[0014] Furthermore, a threaded section is provided on the surface of the second rod, and the threaded section is threadedly limitedly connected to the inner wall of the first rod, and the length of the threaded section is at least 1 / 4 of the length of the second rod.

[0015] The beneficial effects of the present utility model are as follows: the present utility model includes a first rod body, a second rod body and a third rod body connected in sequence, one end of the second rod body extends into the first rod body, the other end of the second rod body extends into the third rod body, at least a portion of the second rod body is threadedly limitedly connected to the inner wall of the first rod body, a plurality of first screw holes are arranged at intervals on the surface of the third rod body, the second rod body is fixed to the first screw holes by a first pair of pin bolts, and by adjusting the cooperation of the second rod body with the first rod body and the third rod body respectively, the flexibility of adjusting the length of the cross bar can be effectively improved, making the versatility of the cross bar better. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the present utility model.

[0017] Figure 2 This is a schematic diagram of the assembly of the first rod body and the second rod body of the present invention.

[0018] Figure 3 This is a schematic diagram of the assembly of the second rod body and the third rod body of the present invention.

[0019] Figure 4 It is a structural schematic diagram of the second rod body of the utility model.

[0020] Among them: 1. first rod body; 2. second rod body; 21. first limiting hole; 22. second limiting hole; 23. threaded section; 3. third rod body; 31. first screw hole; 4. first pair of pin bolts; 5. first fastener; 6. first annular kit; 7. reinforcement; 8. second pair of pin bolts; 9. second fastener; 10. second annular kit. DETAILED DESCRIPTION

[0021] If certain words are used in the specification and claims to refer to specific components, those skilled in the art should understand that manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in name as a way to distinguish components, but rather use differences in the functions of the components as the criteria for distinction. For example, the term "including" mentioned throughout the specification and claims is an open-ended term and should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "side", "front", "back", "left", "right", "horizontal", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0023] In this utility model, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," and "fixed" should be interpreted broadly. For example, they may refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on specific circumstances.

[0024] The following is combined with Figures 1 to 4 The present invention is further described in detail with reference to the following specific embodiments, but is not intended to limit the present invention.

[0025] A new type of crossbar assembly, see Figures 1 to 4 , including a first rod body 1, a second rod body 2 and a third rod body 3 connected in sequence, one end of the second rod body 2 extends into the first rod body 1, and the other end of the second rod body 2 extends into the third rod body 3, at least a portion of the second rod body 2 is threadedly connected to the inner wall of the first rod body 1, and a plurality of first screw holes 31 are arranged at intervals on the surface of the third rod body 3, and the second rod body 2 is fixed to the first screw holes 31 by a first pair of pin bolts 4.

[0026] Preferably, the second rod body 2 has a first limiting hole 21 corresponding to the first screw hole 31 , and the first pair of pin bolts 4 are passed through and fixed in the first limiting hole 21 .

[0027] Preferably, a first fastener 5 threadedly connected to the first pair of pin bolts 4 is provided on the surface of the third rod 3, wherein the first fastener 5 can be a fastening nut, which can effectively improve the fixing strength of the third rod 3 and the first pair of pin bolts 4.

[0028] Preferably, in some embodiments, a first annular sleeve 6 is provided between the first fastener 5 and the third rod body 3, the first annular sleeve 6 is sleeved on the third rod body 3, the first pair of pin bolts 4 is passed through the first annular sleeve 6, and the first annular sleeve 6 is provided with through holes matching the first pair of pin bolts 4. The first annular sleeve 6 can effectively improve the fixing strength of the second rod body 2 and the third rod body 3.

[0029] Preferably, the outer wall of the first rod body 1 is provided with a reinforcement 7, and the reinforcement 7 is sleeved on the opening of one end of the first rod body 1 close to the second rod body 2. A second screw hole is provided on the surface of the reinforcement 7, and the second rod body 2 is fixed to the second screw hole by a second pair of pin bolts 8. The reinforcement 7 can effectively improve the fixing strength of the second rod body 2 and the first rod body 1.

[0030] Preferably, at least a portion of the reinforcement member 7 is welded to the outer wall of the first rod body 1 , which can effectively improve the fixing strength between the reinforcement member 7 and the first rod body 1 .

[0031] Preferably, the second rod body 2 has a second limiting hole 22 corresponding to the second screw hole, and the second pair of pin bolts 8 are passed through and fixed in the second limiting hole 22 .

[0032] Preferably, the surface of the reinforcement 7 is provided with a second fastener 9 threadedly connected to the second pair of pin bolts 8, wherein the second fastener 9 can be a fastening nut, which can effectively improve the fixing strength of the reinforcement 7 and the second pair of pin bolts 8.

[0033] Preferably, in some embodiments, a second annular kit 10 is provided between the second fastener 9 and the reinforcement 7, the second annular kit 10 is sleeved on the reinforcement 7, the second pair of pin bolts 8 are passed through the second annular kit 10, and the second annular kit 10 is provided with through holes matching the second pair of pin bolts 8. The second annular kit 10 can effectively improve the fixing strength of the second rod body 2 and the reinforcement 7.

[0034] Preferably, the surface of the second rod body 2 has a threaded segment 23, and the threaded segment 23 is threadedly limitedly connected to the inner wall of the first rod body 1. The length of the threaded segment 23 is at least 1 / 4 of the length of the second rod body 2, specifically 1 / 4 to 2 / 5, 2 / 5 to 3 / 5, etc. In some embodiments, the second limiting hole 22 can also be set in the threaded segment 23.

[0035] Among them, the rod body, bolts, kit, nuts and other components mentioned above in this solution are all made of high-strength and corrosion-resistant metal materials.

[0036] Obviously, the utility model can first adjust the fixing conditions of the second rod body 2 and the third rod body 3 to obtain a coarse adjustment result of the length of the cross bar, and then adjust the fixing conditions of the second rod body 2 and the first rod body 1 to obtain a fine adjustment result of the length of the cross bar. By efficiently adjusting the cooperation between the second rod body 2 and the third rod body 3 and the first rod body 1 respectively, the structural strength, adjustment flexibility and versatility of the cross bar assembly can be effectively enhanced, so that the cross bar assembly has good overall stability performance.

[0037] Based on the disclosure and teachings of the above description, those skilled in the art will be able to make changes and modifications to the above embodiments. Therefore, the utility model is not limited to the specific embodiments described above. Any obvious improvements, substitutions, or modifications made by those skilled in the art based on the present utility model fall within the scope of protection of the present utility model. In addition, although certain specific terms are used in this description, these terms are for convenience only and do not constitute any limitation on the present utility model.

Claims

1. A new type of crossbar assembly, characterized by: It comprises a first rod (1), a second rod (2) and a third rod (3) connected in sequence, one end of the second rod (2) extends into the first rod (1), and the other end of the second rod (2) extends into the third rod (3); At least a portion of the second rod body (2) is threadedly limitedly connected to the inner wall of the first rod body (1); a plurality of first screw holes (31) are arranged at intervals on the surface of the third rod body (3); and the second rod body (2) is fixed to the first screw holes (31) by a first pair of pin bolts (4).

2. The novel crossbar assembly according to claim 1, characterized in that: The second rod body (2) has a first limiting hole (21) corresponding to the first screw hole (31), and the first pair of pin bolts (4) are passed through and fixed in the first limiting hole (21).

3. The novel crossbar assembly according to claim 1 or 2, characterized in that: A first fastener (5) threadedly connected to the first pair of pin bolts (4) is provided on the surface of the third rod (3).

4. The novel crossbar assembly according to claim 3, characterized in that: A first annular sleeve (6) is provided between the first fastener (5) and the third rod (3); the first annular sleeve (6) is sleeved on the third rod (3); and the first pair of pin bolts (4) is passed through the first annular sleeve (6).

5. The novel crossbar assembly according to claim 1, characterized in that: The outer wall of the first rod body (1) is sleeved with a reinforcement piece (7), the surface of the reinforcement piece (7) is provided with a second screw hole, and the second rod body (2) is fixed to the second screw hole by a second pair of pin bolts (8).

6. The novel crossbar assembly according to claim 5, characterized in that: At least a portion of the reinforcement member (7) is welded to the outer wall of the first rod body (1).

7. The novel crossbar assembly according to claim 5, characterized in that: The second rod body (2) has a second limiting hole (22) corresponding to the second screw hole, and the second pair of pin bolts (8) are passed through and fixed in the second limiting hole (22).

8. The novel crossbar assembly according to any one of claims 5 to 7, characterized in that: A second fastener (9) threadedly connected to the second pair of pin bolts (8) is provided on the surface of the reinforcement (7).

9. The novel crossbar assembly according to claim 8, characterized in that: A second annular set (10) is provided between the second fastener (9) and the reinforcement (7); the second annular set (10) is sleeved on the reinforcement (7); and the second pair of pin bolts (8) is passed through the second annular set (10).

10. The novel crossbar assembly according to any one of claims 1, 2, 5 to 7, characterized in that: The surface of the second rod (2) has a threaded section (23), the threaded section (23) is threadedly limitedly connected to the inner wall of the first rod (1), and the length of the threaded section (23) is at least 1 / 4 of the length of the second rod (2).

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