Extrusion molding bar

Abstract

The invention relates to the technical field of extruded bar products, and discloses an extruded bar which comprises a bus bar and an insulating sleeve, the surface of the bus bar is integrally coated with the insulating sleeve, an extruded bar semi-finished product is bent, the insulating sleeve coated at the end is removed, and then the end is exposed. And the bolt is loosened to drive the sliding shaft to slide upwards in the connecting shaft. When the sliding shaft slides, through the fixed plate, the connecting rod abuts against the movable plate to move towards the inner wall close to the fixed shaft, and when the movable plate moves, the inserting plate can be driven to slide in the cross-shaped block. The relative position relation between the plug board and the limiting shaft and the annular strip can be changed through sliding of the plug board, the plug board is inserted into the inner side of the annular strip to be limited, the annular strip can stop and limit the plug board, the sliding shaft is prevented from continuously sliding unlimitedly along with loosening of the bolt, further loosening of the bolt is limited, stable operation of an electrical system is improved, and the service life of the electrical system is prolonged. And the service life of equipment is prolonged.

Description

Technical Field

[0001] This invention relates to the field of extruded bar products, specifically an extruded bar. Background Technology

[0002] In numerous electrical equipment and power transmission systems, extruded busbars play an indispensable role as a key conductive connection component. Using the busbar as the main structure for current conduction, it achieves excellent insulation protection through an insulating sleeve covering its surface. This ensures safe power transmission and prevents safety accidents caused by leakage. Bolts, on the other hand, bear the crucial task of reliably connecting and assembling the busbar with other related electrical components, ensuring the entire electrical system forms a complete circuit and maintaining normal equipment operation. They are widely used in distribution cabinets, substations, industrial automated production lines, and many other applications.

[0003] However, in actual use, the working environment of electrical equipment is often complex, with various interference factors. For example, continuous vibrations generated during equipment operation can subject bolts to alternating stress over a long period; furthermore, thermal expansion and contraction caused by changes in ambient temperature can also affect the connection between bolts, busbars, and other connecting components. These factors combined can easily lead to bolt loosening, a phenomenon common in many traditional extruded busbar connection structures and difficult to avoid effectively. If loosened bolts are not addressed promptly, they may continue to loosen until they completely detach from the connection. This will directly cause the connection between busbars or between busbars and other related components to fail, damaging the original integrity of the extruded busbar structure, preventing current from being conducted normally along the intended path, and ultimately leading to a short circuit in the entire electrical system. This will cause the equipment to malfunction, severely impacting the normal operation of production, daily life, and other related activities. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides an extruded bar that solves the problem that in traditional extruded bar connection structures, bolts are prone to loosening due to interference from complex working environments. Once loosened, this loosening is difficult to prevent from continuing until the connection fails, thereby damaging the structural integrity of the extruded bar, affecting the normal conduction of current, and ultimately causing electrical system open circuit faults and equipment malfunctions.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention provides the following technical solution: an extruded busbar, comprising a busbar and an insulating sleeve, wherein the surface of the busbar is entirely covered by the insulating sleeve; the extruded busbar semi-finished product is bent, and the insulating sleeve covering the end portion is removed to expose the end portion, thereby obtaining the extruded busbar; bolts are threadedly connected to the surface of the busbar; the invention also includes a movable component for restricting loose bolts; a swing component for positioning loose bolts; and a rotating component for tightening bolts when they are loose; the movable component includes: a fixed shaft, which is fixedly installed at the bottom of the busbar; a connecting shaft is fixedly installed inside the fixed shaft; a sliding shaft is slidably connected inside the connecting shaft; bolts are threadedly connected inside the sliding shaft; a fixed plate is fixedly installed on the outside of the sliding shaft; one end of a connecting rod is hinged to the surface of the fixed plate; a movable plate is hinged to the other end of the connecting rod; an insert plate is fixedly installed on the outside of the movable plate; a limiting shaft is fixedly installed inside the fixed shaft; and an annular strip is fixedly installed inside the limiting shaft.

[0008] Preferably, a cross block is fixedly mounted on the surface of the fixed shaft, and the insert plate is slidably connected inside the cross block.

[0009] Preferably, the swing assembly includes: a fixed frame, the fixed frame being fixedly installed on the top of the cross block, a sliding plate being slidably connected inside the fixed frame, the sliding plate being fixedly installed on the outer wall of the sliding shaft, and an abutment block being fixedly installed on the top of the sliding plate.

[0010] Preferably, a connecting strip is fixedly installed on the inner side of the fixing frame, a vertical plate is hinged to the inner side of the connecting strip, and a limiting plate is fixedly installed at the bottom of the vertical plate.

[0011] Preferably, the rotating assembly includes: a connecting plate, the connecting plate being fixedly mounted on the surface of the sliding shaft, a block being fixedly mounted on the top of the connecting plate, and a rotating ball being movably connected inside the block.

[0012] Preferably, a torsion block is rotatably connected inside the fixed shaft, the torsion block is threadedly connected to the surface of the bolt, a square block two is fixedly installed at the bottom of the torsion block, and a rotating ball two is movably connected inside the square block two.

[0013] Preferably, one end of a long rod is fixedly installed at the bottom of the second rotating ball, and the other end of the long rod is fixedly installed at the top of the first rotating ball. The long rod is an inclined rod with a tilt.

[0014] Preferably, the swing assembly is provided in two sets, and both sets of the swing assembly are symmetrically arranged with the center line of the bolt as the axis of symmetry.

[0015] Preferably, the surface of the connecting shaft is provided with a sliding groove, and the surface of the cross block is provided with a recess.

[0016] Preferably, the cross-section of the insert plate is rectangular, and the cross-section of the front end of the limiting plate is triangular.

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, the present invention provides an extruded sheet with the following beneficial effects:

[0019] 1. This extruded sheet utilizes a movable component design. Loosening of the bolts causes the sliding shaft to slide upwards within the connecting shaft. As the sliding shaft slides, it moves towards the inner wall of the fixed shaft via a contact between the fixed plate and the connecting rod. The movement of the movable plate causes the insert plate to slide within the cross block. This sliding of the insert plate alters its relative position to the limiting shaft and the annular strip, causing the insert plate to engage with the inner side of the annular strip for restraint. The annular strip then acts as a stop and limiter, preventing the sliding shaft from continuing to slide uncontrollably as the bolts loosen. This limits further bolt loosening, improves the stable operation of the electrical system, and extends the equipment's service life.

[0020] 2. This extruded sheet utilizes a swing assembly. As the sliding shaft moves upward, it also drives the sliding plate to move upward inside the fixed frame. When the sliding plate moves upward, it drives the abutment block to move upward. When the abutment block moves upward, it touches the limiting plate at the bottom of the vertical plate, which is hinged to the inner side of the fixed frame by a connecting strip. This causes the limiting plate and the vertical plate to swing upward due to the external force of the abutment block. The limiting plate at the bottom of the vertical plate has a triangular cross-section at its front end. When the limiting plate swings, it inserts into the threaded groove on the bolt surface and positions the loose bolt, preventing further misalignment and improving the stability and fixing effect of the bolt.

[0021] 3. This extruded block utilizes a rotating component. When the sliding shaft slides upward, it also drives the connecting plate, block one, and rotating ball one to move upward. When rotating ball one moves upward, it abuts against rotating ball two through a long rod, causing block two to move. When block two moves, it drives the movement of the torsion block. Due to the threaded fit between the torsion block and the bolt, the rotation of the torsion block is converted into an axial pushing force on the bolt, causing the bolt to be tightened again along the thread direction, restoring a stable connection state. This prevents safety hazards caused by structural instability due to loose bolts, ensures reliable connection between components such as the busbar, and guarantees the normal use of the extruded block. Attached Figure Description

[0022] Figure 1 This is a front view schematic diagram of an extruded sheet structure proposed in this invention;

[0023] Figure 2 This is a schematic diagram of the front view of the extruded sheet after deformation according to the present invention;

[0024] Figure 3This is a schematic diagram of the front view of an extruded sheet cross-section structure proposed in this invention;

[0025] Figure 4 This is a schematic diagram of a cross-sectional structure of an extruded strip fixed shaft proposed in this invention;

[0026] Figure 5 This is a front view schematic diagram of an extruded sheet movable component proposed in this invention;

[0027] Figure 6 This is a front view schematic diagram of an extruded bar connecting shaft proposed in this invention;

[0028] Figure 7 This is a front view schematic diagram of an extruded annular strip structure proposed in this invention;

[0029] Figure 8 This is a front view schematic diagram of an extruded bar swing assembly proposed in this invention;

[0030] Figure 9 This is a front view schematic diagram of an extruded sheet rotating assembly proposed in this invention.

[0031] In the diagram: 1. Busbar; 2. Insulating sleeve; 3. Bolt; 4. Moving component; 41. Fixed shaft; 42. Connecting shaft; 43. Sliding shaft; 44. Fixed plate; 45. Connecting rod; 46. Moving plate; 47. Insert plate; 48. Limiting shaft; 49. Annular bar; 411. Cross block; 5. Swing component; 51. Fixed frame; 52. Slide plate; 53. Abutting block; 54. Connecting bar; 55. Vertical plate; 56. Limiting plate; 6. Rotating component; 61. Connecting plate; 62. Block 1; 63. Rotating ball 1; 64. Twisting block; 65. Block 2; 66. Rotating ball 2; 67. Long rod; 420. Slide groove; 4110. Groove. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Please see Figures 1-9As shown, an extruded busbar includes a busbar 1 and an insulating sleeve 2. The busbar 1 uses a copper or aluminum busbar structure as the conductor. The copper busbar is plated with a nickel sulfamate layer, and the aluminum busbar ends are welded with nickel strips, which improves conductivity and corrosion resistance, enhancing the busbar's corrosion resistance and welding performance. The insulating sleeve 2 is a polyamide material with excellent insulation, flame retardancy, and wear resistance. At the same time, the polyamide insulation layer has excellent aging resistance, impact resistance, and wear resistance, making it economical and practical. The surface of the busbar 1 is completely covered with the insulating sleeve 2. The extruded busbar semi-finished product is bent, and the insulating sleeve 2 covering the end is removed to expose the end, thus obtaining the extruded busbar. The busbar 1 covered with the insulating sleeve 2 has the advantages of simple production process, easy control of processing accuracy, high degree of automation, good multi-dimensional molding, reasonable and compact structure, and beautiful appearance. It has a large current carrying capacity, excellent heat dissipation, and excellent insulation performance. Bolts 3 are threadedly connected to the surface of the busbar 1.

[0034] It also includes a movable component 4 for restraining loose bolts 3;

[0035] The swing assembly 5 is used to position the loose bolt 3;

[0036] Rotating component 6 is used to tighten bolt 3 when it is loose;

[0037] First, the active component 4 includes: a fixed shaft 41, which is fixedly installed at the bottom of the busbar 1; a connecting shaft 42 is fixedly installed inside the fixed shaft 41; a sliding shaft 43 is slidably connected inside the connecting shaft 42; a bolt 3 is threadedly connected inside the sliding shaft 43; a fixed plate 44 is fixedly installed on the outside of the sliding shaft 43; one end of a connecting rod 45 is hinged to the surface of the fixed plate 44; a movable plate 46 is hinged to the other end of the connecting rod 45; an insert plate 47 is fixedly installed on the outside of the movable plate 46; a limiting shaft 48 is fixedly installed inside the fixed shaft 41; and an annular strip 49 is fixedly installed inside the limiting shaft 48, which can improve the stability of the limiting of the insert plate 47.

[0038] Secondly, a cross block 411 is fixedly installed on the surface of the fixed shaft 41, and the insert plate 47 is slidably connected inside the cross block 411. The stability of the sliding of the insert plate 47 can be improved by setting the cross block 411.

[0039] Furthermore, the swing assembly 5 includes: a fixed frame 51, which is fixedly installed on the top of the cross block 411. A sliding plate 52 is slidably connected inside the fixed frame 51. The sliding plate 52 is fixedly installed on the outer wall of the sliding shaft 43. An abutment block 53 is fixedly installed on the top of the sliding plate 52. A connecting strip 54 is fixedly installed on the inner side of the fixed frame 51. A vertical plate 55 is hinged to the inner side of the connecting strip 54. A limiting plate 56 is fixedly installed at the bottom of the vertical plate 55. The stability of the swing of the limiting plate 56 can be improved by connecting the vertical plate 55 and the limiting plate 56.

[0040] Furthermore, the rotating assembly 6 includes: a connecting plate 61, which is fixedly mounted on the surface of the sliding shaft 43; a block 62 is fixedly mounted on the top of the connecting plate 61; a rotating ball 63 is movably connected inside the block 62; a torsion block 64 is rotatably connected inside the fixed shaft 41; the torsion block 64 is threadedly connected to the surface of the bolt 3; a block 65 is fixedly mounted on the bottom of the torsion block 64; a rotating ball 66 is movably connected inside the block 65; one end of a long rod 67 is fixedly mounted on the bottom of the rotating ball 66; the other end of the long rod 67 is fixedly mounted on the top of the rotating ball 63; the long rod 67 is an inclined rod with a tilt, and through the connection between the long rod 67 and the rotating balls 63 and 66, when the rotating ball 63 abuts against the rotating ball 66 through the long rod 67, the torsion block 64 is driven to rotate.

[0041] Finally, two sets of swing components 5 are provided, and both sets of swing components 5 are symmetrically arranged with the center line of bolt 3 as the axis of symmetry. The surface of the connecting shaft 42 is provided with a groove 420, and the surface of the cross block 411 is provided with a groove 4110. The insertion plate 47 can slide inside the cross block 411 through the groove 4110 on the surface of the cross block 411. The cross section of the insertion plate 47 is rectangular, and the front cross section of the limiting plate 56 is triangular. The rectangular insertion plate 47 and the triangular limiting plate 56 can improve the stability of the insertion plate 47 and the limiting plate 56 for the insertion of the ring strip 49 and bolt 3.

[0042] Working principle: The extruded busbar is based on the busbar 1, with an insulating sleeve 2 covering its surface for insulation protection. Connections and assembly are performed via bolts 3. The movable component 4, swing component 5, and rotating component 6 work together to address any loosening of the bolts 3. They respectively limit loosening, position the bolts, and retighten them to ensure the stability of the bolt connection, guaranteeing the overall stability and reliability of the extruded busbar structure and normal electrical connections. When the bolts 3 show signs of loosening due to vibration, thermal expansion and contraction, the threaded connection between the bolts 3 and the sliding shaft 43 causes the sliding shaft 43 to slide upwards within the connecting shaft 42. As the sliding shaft 43 slides, it moves towards the inner wall of the fixed shaft 41 by contacting the movable plate 46 through the fixed plate 44 and connecting rod 45. The movement of the movable plate 46 causes the insert plate 47 to slide within the cross block 411. The sliding of the insert plate 47 changes its relative position to the limiting shaft 48 and the annular bar 49, causing the insert plate 47 to be inserted into the inner side of the annular bar 49 for restriction. The annular bar 49 will block and limit the insert plate 47, preventing the sliding shaft 43 from continuing to slide without restriction as the bolt 3 loosens, thereby limiting the bolt 3 from further loosening and preventing the bolt 3 from continuously loosening until it completely disengages from the connection position. This would directly lead to the failure of the connection between the busbars 1 or between the busbars 1 and other related components, destroying the overall structural integrity of the extruded bar, making it unable to perform its electrical conduction and other functions normally, affecting the normal operation of the equipment, and in severe cases, even causing equipment failure. This improves the stable operation of the electrical system and extends the service life of the equipment.

[0043] As the sliding shaft 43 moves upward, it also drives the sliding plate 52 to move upward inside the fixed frame 51. When the sliding plate 52 moves upward, it drives the abutment block 53 to move upward. When the abutment block 53 moves upward, it touches the limiting plate 56 at the bottom of the vertical plate 55, which is hinged to the inner side of the fixed frame 51 by the connecting strip 54. This causes the limiting plate 56 and the vertical plate 55 to swing upward due to the external force of the abutment block 53. The limiting plate 56, which is fixed at the bottom of the vertical plate 55, has a triangular cross-section at its front end. When the limiting plate 56 swings, it will be inserted into the threaded groove on the surface of the bolt 3 and will position the loose bolt 3 to prevent the bolt 3 from moving further out of place. If the bolt 3 becomes loose, without precise positioning measures, it may continue to move out of place irregularly under the external force generated by the loosening, making the already loose connection worse. It may even cause the bolt 3 to completely deviate from the correct installation position, making it impossible to achieve an effective connection, damaging the structural stability of the entire extruded block and the reliability of the electrical connection. This improves the stability and fixing effect of the bolt 3.

[0044] Once the loose bolt 3 is located by the swing assembly 5, if it is necessary to tighten the bolt 3, the sliding shaft 43 will slide upward and drive the connecting plate 61 to move upward. When the connecting plate 61 moves upward, it will drive the first block 62 and the first rotating ball 63 to move upward. When the first rotating ball 63 moves upward, it will abut against the second rotating ball 66 through the long rod 67 and drive the second block 65 to move. When the second block 65 moves, it will drive the movement of the torsion block 64. Due to the threaded fit between the torsion block 64 and the bolt 3, the rotation of the torsion block 64 will be converted into an axial pushing force on the bolt 3, so that the bolt 3 will be tightened again along the thread direction, restoring a stable connection state. This prevents the safety hazards caused by the loose bolt 3 due to structural instability, ensures the reliable connection between components such as the busbar 1, and guarantees the normal use of the extruded sheet.

[0045] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. An extruded busbar, comprising a busbar (1) and an insulating sleeve (2), characterized in that: The surface of the busbar (1) is entirely covered with an insulating sleeve (2). The extruded busbar semi-finished product is bent, and the insulating sleeve (2) covering the end part is removed to expose the end part, thus obtaining the extruded busbar. The surface of the busbar (1) is threaded with bolts (3). It also includes a movable component (4) for restraining loose bolts (3); A swing assembly (5) is used to position a loose bolt (3); Rotating assembly (6) is used to tighten bolt (3) when it is loose; The movable component (4) includes: a fixed shaft (41) which is fixedly installed at the bottom of the busbar (1), a connecting shaft (42) which is fixedly installed inside the fixed shaft (41), a sliding shaft (43) which is slidably connected inside the connecting shaft (42), a bolt (3) which is threadedly connected inside the sliding shaft (43), a fixed plate (44) which is fixedly installed on the outside of the sliding shaft (43), a connecting rod (45) which is hinged to one end of the fixed plate (44), a movable plate (46) which is hinged to the other end of the connecting rod (45), an insert plate (47) which is fixedly installed on the outside of the movable plate (46), a limiting shaft (48) which is fixedly installed inside the fixed shaft (41), and an annular strip (49) which is fixedly installed inside the limiting shaft (48).

2. The extruded sheet according to claim 1, characterized in that: A cross block (411) is fixedly mounted on the surface of the fixed shaft (41), and the insert plate (47) is slidably connected inside the cross block (411).

3. The extruded sheet according to claim 2, characterized in that: The swing assembly (5) includes: a fixing frame (51), which is fixedly installed on the top of the cross block (411), and a sliding plate (52) is slidably connected inside the fixing frame (51). The sliding plate (52) is fixedly installed on the outer wall of the sliding shaft (43), and an abutment block (53) is fixedly installed on the top of the sliding plate (52).

4. The extruded sheet according to claim 3, characterized in that: A connecting strip (54) is fixedly installed on the inner side of the fixing frame (51), and a vertical plate (55) is hinged to the inner side of the connecting strip (54). A limiting plate (56) is fixedly installed at the bottom of the vertical plate (55).

5. The extruded sheet according to claim 1, characterized in that: The rotating assembly (6) includes: a connecting plate (61), which is fixedly installed on the surface of the sliding shaft (43), and a block (62) is fixedly installed on the top of the connecting plate (61), and a rotating ball (63) is movably connected inside the block (62).

6. The extruded sheet according to claim 1, characterized in that: The fixed shaft (41) is rotatably connected to a torsion block (64), which is threaded onto the surface of the bolt (3). A square block (65) is fixedly installed at the bottom of the torsion block (64), and a rotating ball (66) is movably connected inside the square block (65).

7. The extruded sheet according to claim 6, characterized in that: One end of a long rod (67) is fixedly installed at the bottom of the second rotating ball (66), and the other end of the long rod (67) is fixedly installed at the top of the first rotating ball (63). The long rod (67) is an inclined rod with an incline.

8. The extruded sheet according to claim 1, characterized in that: The swing assembly (5) is provided in two sets, and both sets of the swing assembly (5) are symmetrically arranged with the center line of the bolt (3) as the axis of symmetry.

9. The extruded sheet according to claim 2, characterized in that: The connecting shaft (42) has a groove (420) on its surface, and the cross block (411) has a groove (4110) on its surface.

10. The extruded sheet according to claim 4, characterized in that: The cross-section of the insert plate (47) is rectangular, and the cross-section of the front end of the limiting plate (56) is triangular.

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