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CN-224233593-U - Square pipe internal support piece capable of preventing locking collapse

CN224233593UCN 224233593 UCN224233593 UCN 224233593UCN-224233593-U

Abstract

The utility model provides a square tube internal support piece for preventing locking collapse, which relates to the technical field of photovoltaic equipment and comprises an integrally formed support main body and a plurality of support arms, wherein the front end face and the rear end face of the support main body are respectively abutted against the inner surfaces of the front side wall and the rear side wall of the square tube, a yielding hole is formed in the middle of the support main body and used for penetrating and connecting a bolt, the support arms extend obliquely along the periphery of the support main body, and the end parts of the support arms are provided with abutting parts for abutting against the upper wall and the lower wall of the square tube. The tail end of the abutting part is further bent to form a limiting part, and the limiting part is matched with a first blocking part arranged on the inner side of the square tube and a second blocking part arranged on the outer side of the square tube, so that limiting and fixing of the supporting part in the square tube are realized. The utility model can effectively offset the axial clamping force in the bolt locking process, prevent the wall body of the square tube from sinking, improve the connection strength and the stability of the bracket, and is suitable for the collapse-preventing reinforcement scene of the assembly structure under the light weight design.

Inventors

  • FANG LIPING
  • Ye Zaiqun
  • LIN XUDONG
  • CHEN DONGSHENG
  • CHEN CONGHUI
  • Hong Jianghuang

Assignees

  • 福建金固美能源科技有限公司

Dates

Publication Date
20260512
Application Date
20250606

Claims (9)

  1. 1. A square pipe internal support for preventing locking collapse, wherein a through hole (310) for penetrating a bolt is arranged in the square pipe (300) in a penetrating way in the front-back direction, and the square pipe internal support is characterized in that the support is nested in the square pipe (300); The support piece comprises a support main body (10), the front end face and the rear end face of the support main body (10) are respectively abutted against the front inner wall and the rear inner wall of the square tube (300), and the support main body (10) is provided with a yielding hole (11) for penetrating a bolt; The support body (10) is provided with a plurality of support arms (20), and the abutting part (21) of at least one support arm (20) abuts against the upper inner wall of the square tube (300), and the abutting part (21) of at least one support arm (20) abuts against the lower inner wall of the square tube (300), so that the yielding hole (11) is aligned with the through hole (310).
  2. 2. The square tube internal support for preventing locking collapse according to claim 1, comprising four support arms (20), wherein two support arms (20) are butted against the upper inner wall of the square tube (300) in bilateral symmetry, and two support arms (20) are butted against the lower inner wall of the square tube (300) in bilateral symmetry.
  3. 3. The square tube internal support member for preventing locking collapse according to claim 1 or 2, wherein the free end of the abutting portion (21) is provided with a limiting portion (22), the square tube (300) is provided with a first blocking member (320) and a second blocking member (330) on the left side and the right side of the support member respectively, and the first blocking member (320) and the second blocking member (330) cooperate with the corresponding limiting portion (22) to limit the yielding hole (11) to the through hole (310).
  4. 4. A square tube support for preventing locking collapse as claimed in claim 3, wherein the through hole (310) is a bar-shaped hole or a round hole.
  5. 5. A square tube support for preventing locking collapse as claimed in claim 3, wherein the first and second stoppers (320, 330) are formed by punching the lower wall of the square tube (300) inwardly.
  6. 6. A square tube support for preventing locking collapse as claimed in claim 2, wherein the support arm (20) is inclined at an angle of 30 ° to 60 ° to the horizontal.
  7. 7. A square tube internal support for preventing locking collapse according to claim 2, wherein the longitudinal section of the support body (10) is elliptical in shape and the major axis of the ellipse is disposed longitudinally.
  8. 8. A square tube internal support for preventing locking collapse as claimed in claim 1, wherein the front and rear end surfaces of the support arm (20) are respectively abutted against the front and rear inner walls of the square tube (300).
  9. 9. A square tube support for preventing locking collapse as claimed in claim 1, wherein the support body (10) and the support arm (20) are integrally formed.

Description

Square pipe internal support piece capable of preventing locking collapse Technical Field The utility model relates to the technical field of photovoltaic equipment, in particular to a square tube internal support piece capable of preventing locking collapse. Background With the continuous development of new energy technology, photovoltaic power generation is used as a green clean energy, and has become one of the main flows in the new energy field. The support forms of the photovoltaic system are various, and the support forms comprise roof supports, ground supports, shed supports, agricultural photovoltaic supports, B IPV and the like. The square tube has the advantages of regular structure, uniform stress, convenience in assembly and the like, and is particularly widely applied to various photovoltaic brackets, and common materials of the square tube comprise carbon steel, zinc-aluminum-magnesium alloy, aluminum alloy and the like. In the design of a photovoltaic bracket, in order to further improve the material utilization rate and the economy on the basis of meeting the overall mechanical property requirement, a designer usually performs light weight optimization on each bracket component. However, the square tube is thinned after being reset, so that the bearing performance of the square tube is reduced. Especially when the bolt pair is installed through the through hole, the thinned pipe wall is difficult to resist the torque and the axial clamping force generated in the bolt tightening process, the problems of local invagination, wall deformation and the like are very easy to occur, the bolt pair cannot realize due clamping force, the stability of structural connection is affected, potential safety hazards such as sliding and loosening are more likely to be caused, and the anti-loosening performance and long-term use reliability of a connecting part are remarkably reduced. Disclosure of utility model In order to overcome the defects of the prior art, the utility model aims to solve the technical problems of providing a square pipe internal support piece for preventing locking collapse, which adopts the following technical scheme: A square pipe internal support piece for preventing locking collapse, wherein a through hole for penetrating a bolt is arranged in the front and back of the square pipe, and the support piece is nested in the square pipe; The support piece comprises a support main body, the front end face and the rear end face of the support main body are respectively abutted against the front inner wall and the rear inner wall of the square tube, and the support main body is provided with a yielding hole for penetrating a bolt; The support main body is provided with a plurality of support arms, and the abutting part of at least one support arm abuts against the upper inner wall of the square tube, and the abutting part of at least one support arm abuts against the lower inner wall of the square tube, so that the yielding hole is aligned with the through hole. The further improved support arm comprises four support arms, wherein two support arms are in bilateral symmetry and are in butt joint with the upper inner wall of the square tube, and two support arms are in bilateral symmetry and are in butt joint with the lower inner wall of the square tube. And the free end of the abutting part is provided with a limiting part, the square pipe is respectively provided with a first blocking part and a second blocking part at the left side and the right side of the supporting part, and the first blocking part and the second blocking part are matched with the corresponding limiting parts to limit the yielding hole to the through hole. Further improved, the through holes are strip-shaped holes or round holes. Further improved, the first blocking piece and the second blocking piece are formed by punching the lower wall of the square tube inwards. Further improved, the inclination angle of the supporting arm relative to the horizontal plane is 30-60 degrees. Further improved, the longitudinal section of the supporting body is elliptical, and the long axis of the ellipse is longitudinally arranged. Further improved, the front and rear end surfaces of the support arm are respectively abutted against the front and rear inner walls of the square tube. Further improved, the supporting main body and the supporting arm are integrally formed. Compared with the prior art, the utility model has the beneficial effects that: The support body and the support arms are integrally formed to form a stable support structure, and the support structure can be arranged in the square tube and can simultaneously abut against the front side wall, the rear side wall, the upper wall and the lower wall of the square tube. In the bolt locking process, the supporting main body bears the clamping force in the front-back direction, the side wall of the square tube is prevented from sinking, the supporting arm and the abutting part of