A telescopic cable tray connector

Abstract

The utility model discloses a telescopic variable diameter's cable bridge connecting piece, including first telescopic section: the inner chamber sliding connection of first telescopic section has second telescopic section, the inner chamber sliding connection of second telescopic section has third telescopic section, the front side and the back of first telescopic section inner chamber all are provided with locking assembly, the locking assembly includes the two lower threaded pins of welding in second telescopic section front side and back, the front side and the back of first telescopic section all are set up with the first arc -shaped sliding slot of lower threaded pin adaptation. The utility model discloses through sliding second telescopic section and third telescopic section, make between main bridge and branch bridge can be connected, make the size of main bridge indirect adaptation branch bridge's size simultaneously, then the user through locking assembly to the position of first telescopic section, second telescopic section and third telescopic section can be fixed, can reach the purpose of adaptation multi -size installation and satisfy multiple spacing connection.

Description

Technical Field

[0001] This utility model belongs to the field of cable tray technology, and in particular relates to a telescopic and variable diameter cable tray connector. Background Technology

[0002] In large-scale building projects, the main cable trays in electrical shafts are usually large in size to accommodate a large number of power cables and communication cables. However, the cable trays branching off from the shaft to each floor or different functional areas are relatively smaller in size because they need to carry different numbers and specifications of cables. In this case, it is necessary to make transitional connections of different sizes between the main cable trays and the branch cable trays.

[0003] During the installation and layout of cable tray systems, it is often necessary to connect cable trays of different sizes to meet complex wiring requirements. Cable trays in different areas have significant size differences due to design requirements, cable quantity and specifications, etc. Some connectors often require on-site cutting of the cable tray or the addition of additional auxiliary parts to achieve the connection. Therefore, it is necessary to provide a telescopic and variable diameter cable tray connector that can adapt to the installation of cable trays of various sizes and meet the connection requirements of different spacing, while strengthening the protection of cables and improving installation efficiency and connection stability. Utility Model Content

[0004] The purpose of this invention is to provide a retractable and variable diameter cable tray connector that can adapt to the installation of cable trays of various sizes and meet the connection requirements of different spacings, while strengthening the protection of cables, improving installation efficiency and connection stability, thereby solving the above-mentioned technical problems.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A telescopic cable tray connector, comprising a first telescopic joint; a second telescopic joint is slidably connected to the inner cavity of the first telescopic joint, and a third telescopic joint is slidably connected to the inner cavity of the second telescopic joint; locking components are provided on the front and rear sides of the inner cavity of the first telescopic joint; the locking components include two threaded pins welded to the front and rear sides of the second telescopic joint; a first arc-shaped groove adapted to the threaded pins is provided on the front and rear sides of the first telescopic joint; and a third telescopic joint is welded to the left end of the front and rear sides of the third telescopic joint. The upper threaded pin, the second expansion joint has a second arc-shaped groove adapted to the upper threaded pin on both the front and rear sides, the first expansion joint has a third arc-shaped groove adapted to the upper threaded pin on both the front and rear sides, and the surfaces of the lower threaded pin and the upper threaded pin are threaded with nuts. The bottom left side of the first expansion joint, the second expansion joint and the third expansion joint are provided with multiple cable passing assemblies. The cable passing assembly includes an elastic sleeve, and the inner cavity of the elastic sleeve is fastened with a cable. The left side of the first expansion joint is provided with a main cable tray, and the right side of the third expansion joint is provided with a branch cable tray.

[0006] Preferably, a circular through hole is provided at the bottom of the inner cavity of the elastic sleeve, and a screw is threaded into the inner cavity of the circular through hole. The elastic sleeve is fixedly connected to the first expansion joint, the second expansion joint and the third expansion joint by the screw respectively.

[0007] Preferably, the left side of the bottom of the inner cavity of both the second and third telescopic joints is bonded with an anti-scratch layer, which is a rubber pad.

[0008] Preferably, the top of the first telescopic joint, the second telescopic joint, and the third telescopic joint are all covered with a top sealing plate, and the front and rear sides of the top sealing plate are provided with stamped arc-shaped retaining strips.

[0009] Preferably, the top of the front and rear sides of the inner cavity of the first, second, and third telescopic joints are all provided with arc-shaped slots, and the arc-shaped locking strips are engaged in the inner cavity of the arc-shaped slots.

[0010] The beneficial effects of this utility model are:

[0011] 1. This utility model connects the main cable tray and the branch cable tray by sliding the second and third expansion joints, and at the same time, the size of the main cable tray is indirectly adapted to the size of the branch cable tray. Then, the user can fix the position of the first, second and third expansion joints by locking components, so as to achieve the purpose of adapting to multiple size installations and satisfying multiple spacing connections.

[0012] 2. This utility model uses a combination of a circular through hole and screws to fix the elastic sleeve, so that the elastic sleeve can be stably installed at the bottom of the first expansion joint, the second expansion joint and the third expansion joint. At the same time, with the help of the anti-scratch layer, it effectively prevents the cable sheath from being scratched by the edges of the second expansion joint and the third expansion joint.

[0013] 3. This utility model uses the combination of arc-shaped clips and arc-shaped slots to fasten and fix the top sealing plate, so that the top sealing plate can stably cover the top of the first telescopic section, the second telescopic section and the third telescopic section, and shield the inner cavity of the three sections. Attached Figure Description

[0014] in:

[0015] Figure 1 This is a front cross-sectional view of one embodiment of the present invention;

[0016] Figure 2 This is a perspective view of the first telescopic joint, the second telescopic joint, the third telescopic joint, and the locking assembly according to one embodiment of the present invention;

[0017] Figure 3This is an exploded perspective view of the second telescopic joint, the third telescopic joint, and the locking assembly according to an embodiment of the present invention;

[0018] Figure 4 This is an exploded perspective view of a wire guide assembly according to an embodiment of the present invention. Detailed Implementation

[0019] In the following description, embodiments of the retractable and variable diameter cable tray connector of the present invention will be described with reference to the accompanying drawings.

[0020] Figure 1-4This invention illustrates an embodiment of a telescopic cable tray connector, comprising a first telescopic joint 1; a second telescopic joint 2 slidably connected to the inner cavity of the first telescopic joint 1; a third telescopic joint 3 slidably connected to the inner cavity of the second telescopic joint 2; a top sealing plate 8 covering the tops of the first telescopic joint 1, the second telescopic joint 2, and the third telescopic joint 3; arc-shaped retaining strips 9 integrally formed by stamping on the front and rear sides of the top sealing plate 8; and arc-shaped retaining grooves 10 formed on the tops of the front and rear sides of the inner cavities of the first telescopic joint 1, the second telescopic joint 2, and the third telescopic joint 3; the arc-shaped retaining strips 9 engaging within the inner cavities of the arc-shaped retaining grooves 10; and the connection between the arc-shaped retaining strips 9 and the arc-shaped retaining grooves 10. With the combined use of the above, the top sealing plate 8 is fastened and fixed, allowing it to stably cover the top of the first expansion joint 1, the second expansion joint 2, and the third expansion joint 3, thus shielding their inner cavities. A scratch-resistant layer 54, which is a rubber pad, is adhered to the left side of the bottom of the inner cavity of the second expansion joint 2 and the third expansion joint 3. Through the use of the circular through-hole 52 and the screw 53, the elastic clamp 51 is installed and fixed, ensuring its stable installation at the bottom of the first expansion joint 1, the second expansion joint 2, and the third expansion joint 3. Simultaneously, the use of the scratch-resistant layer 54 effectively prevents damage to the cable sheath. The phenomenon of scratches occurring at the edges of the second telescopic joint 2 and the third telescopic joint 3 occurs. Locking components 4 are provided on both the front and rear sides of the inner cavity of the first telescopic joint 1. The locking components 4 include two lower threaded pins 41 welded to the front and rear sides of the second telescopic joint 2. First arc-shaped grooves 42 adapted to the lower threaded pins 41 are provided on both the front and rear sides of the first telescopic joint 1. Upper threaded pins 43 are welded to the left ends of both the front and rear sides of the third telescopic joint 3. Second arc-shaped grooves 44 adapted to the upper threaded pins 43 are provided on both the front and rear sides of the second telescopic joint 2. Third arc-shaped grooves adapted to the upper threaded pins 43 are provided on both the front and rear sides of the first telescopic joint 1. 45. Nuts 46 are threadedly connected to the surfaces of the lower threaded pin 41 and the upper threaded pin 43. Multiple cable guide assemblies 5 are provided on the left side of the bottom of the first expansion joint 1, the second expansion joint 2 and the third expansion joint 3. The cable guide assembly 5 includes an elastic sleeve 51. A circular through hole 52 is opened at the bottom of the inner cavity of the elastic sleeve 51. A screw 53 is threadedly connected to the inner cavity of the circular through hole 52. The elastic sleeve 51 is fixedly connected to the first expansion joint 1, the second expansion joint 2 and the third expansion joint 3 respectively by the screw 53. A cable is fastened in the inner cavity of the elastic sleeve 51. A main cable tray 6 is provided on the left side of the first expansion joint 1 and a branch cable tray 7 is provided on the right side of the third expansion joint 3.

[0021] Working Principle: In use, the user moves the first expansion joint 1 between the main cable tray 6 and the branch cable tray 7, and then fixes the right side of the main cable tray 6 to the left side of the first expansion joint 1 by tapping. Then, the user selectively pulls the second expansion joint 2 or the third expansion joint 3 according to the size of the branch cable tray 7. Taking the third expansion joint 3 as an example, pulling the third expansion joint 3 makes its right side fit tightly against the left side of the branch cable tray 7. Then, the branch cable tray 7 and the third expansion joint 3 are fixedly connected by tapping. During the sliding process of the third expansion joint 3, the threaded pin 43 is on the second arc... The sliding mechanism slides within the inner cavities of the slide groove 44 and the third arc-shaped slide groove 45, while the lower threaded pin 41 slides within the inner cavity of the first arc-shaped slide groove 42. Subsequently, the user rotates the nut 46 to lock and fix the positions of the second telescopic joint 2 and the third telescopic joint 3. Then, the user inserts the screw 53 through the inner cavity of the circular through hole 52 and fixes the elastic sleeve 51 at the bottom of the inner cavities of the first telescopic joint 1, the second telescopic joint 2, and the third telescopic joint 3 using the screw 53. The user then presses the cable into the inner cavity of the elastic sleeve 51, which elastically clamps and guides the cable.

[0022] In summary, this telescopic cable tray connector connects the main cable tray 6 and the branch cable tray 7 by sliding the second telescopic joint 2 and the third telescopic joint 3. At the same time, the size of the main cable tray 6 is indirectly adapted to the size of the branch cable tray 7. Then, the user can fix the positions of the first telescopic joint 1, the second telescopic joint 2 and the third telescopic joint 3 by using the locking component 4, thus achieving the purpose of adapting to multiple size installations and meeting multiple spacing connections.

Claims

1. A retractable and variable diameter cable tray connector, characterized in that, The system includes a first telescopic joint (1): the inner cavity of the first telescopic joint (1) is slidably connected to a second telescopic joint (2), the inner cavity of the second telescopic joint (2) is slidably connected to a third telescopic joint (3), the front and rear sides of the inner cavity of the first telescopic joint (1) are provided with locking components (4), the locking components (4) include two lower threaded pins (41) welded to the front and rear sides of the second telescopic joint (2), the front and rear sides of the first telescopic joint (1) are provided with a first arc-shaped groove (42) adapted to the lower threaded pins (41), the left ends of the front and rear sides of the third telescopic joint (3) are welded with upper threaded pins (43), the front and rear sides of the second telescopic joint (2) are provided with upper threaded pins (43). The first expansion joint (1) has a second arc-shaped groove (44) that matches the upper threaded pin (43). The front and rear sides of the first expansion joint (1) are provided with a third arc-shaped groove (45) that matches the upper threaded pin (43). The surfaces of the lower threaded pin (41) and the upper threaded pin (43) are threaded with nuts (46). The bottom left side of the first expansion joint (1), the second expansion joint (2) and the third expansion joint (3) are provided with multiple cable guide assemblies (5). The cable guide assembly (5) includes an elastic sleeve (51). The inner cavity of the elastic sleeve (51) is fitted with a cable. The left side of the first expansion joint (1) is provided with a main cable tray (6). The right side of the third expansion joint (3) is provided with a branch cable tray (7).

2. The telescoping variable diameter cable tray fitting of claim 1, wherein, The bottom of the inner cavity of the elastic sleeve (51) is provided with a circular through hole (52), and the inner cavity of the circular through hole (52) is threaded with a screw (53). The elastic sleeve (51) is fixedly connected to the first expansion joint (1), the second expansion joint (2) and the third expansion joint (3) respectively by the screw (53).

3. The telescoping variable diameter cable tray fitting of claim 2, wherein, The second expansion joint (2) and the third expansion joint (3) have a scratch-resistant layer (54) bonded to the left side of the bottom of their inner cavities. The scratch-resistant layer (54) is a rubber pad.

4. The telescoping variable diameter cable tray fitting of claim 3, wherein, The top of the first expansion joint (1), the second expansion joint (2) and the third expansion joint (3) are all covered with a top sealing plate (8), and the front and rear sides of the top sealing plate (8) are provided with an arc-shaped clip (9) formed by stamping.

5. The telescoping variable diameter cable tray fitting of claim 4, wherein, The top of the front and rear sides of the inner cavity of the first expansion joint (1), the second expansion joint (2) and the third expansion joint (3) are provided with arc-shaped slots (10), and the arc-shaped slot strip (9) is engaged in the inner cavity of the arc-shaped slot (10).

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