Fireproof three-way cable bridge
By introducing U-shaped grooves and U-shaped inserts into the T-shaped cable trays, the problem of unstable cable tray connections was solved, achieving stable connections and rapid smoke exhaust, and enhancing fire resistance and heat dissipation.
Patent Information
- Application Number
- CN202422865039.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Existing cable trays require connecting plates and bolts for fixing during connection, which is unstable and time-consuming to install.
The design adopts a U-shaped groove and a U-shaped insert plate. The connection is achieved by inserting the U-shaped insert plate into the opposite end of the T-shaped cable tray body. A fireproof layer and heat exhaust holes are set in the T-shaped cable tray body to facilitate smoke discharge and heat dissipation.
This improves the stability of cable tray connections, allows for rapid smoke extraction in case of fire, reduces heat accumulation, minimizes material waste, and enhances the insulation and heat dissipation performance of the cable trays.
Smart Images

Figure CN223462684U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of three -way cable bridge, in particular to fire -resistant three -way cable bridge. BACKGROUND
[0002] Cable bridge is divided into groove type, tray type and ladder type, net format structure, by support, supporting arm and installation accessory etc. Building bridge can be independently erected, also can be laid on various building (structure) and pipe gallery support, should embody simple structure, modeling beautiful, configuration flexible and maintenance convenient etc. Features, all parts need to carry out galvanization treatment, install the bridge of open air of building.
[0003] The existing bridge can be mutually butted, the butt joint needs to use the connecting plate and the bolt to fix the side of two bridges, completes the butt joint, and the stability after installation is poor, and it is more time -consuming to install.
[0004] Therefore, it is necessary to provide fire -resistant three -way cable bridge to solve the above -mentioned problems. CONTENT OF UTILITY MODEL
[0005] The utility model discloses a fire -resistant three -way cable bridge to solve the existing bridge can be mutually butted, the butt joint needs to use the connecting plate and the bolt to fix the side of two bridges, completes the butt joint, and the stability after installation is poor, and it is more time -consuming to install.
[0006] To realize the above -mentioned purpose, the utility model provides the following technical scheme: fire -resistant three -way cable bridge, including three -way bridge body, the three pass openings of three -way bridge body are all provided with U -shaped groove, three U -shaped grooves are communicated, and U -shaped plug -in board is slidably arranged in the U -shaped groove, the one end of U -shaped plug -in board is provided with through -groove, the other side of through -groove penetrates U -shaped plug -in board, and three -way top cover is slidably arranged on three -way bridge body;
[0007] The inside of three -way bridge body is provided with fire -resistant layer, a plurality of heat -removing holes are formed in the top end of fire -resistant layer, and a through -hole corresponding to the heat -removing hole is formed in the inside of three -way bridge body.
[0008] Preferably, the outside of three -way bridge body is provided with a fixing screw, one end of the fixing screw extends into the U -shaped groove, and the extending end is pressed against the outer surface of the U -shaped plug -in board.
[0009] Preferably, the three end portions of the three -way top cover are provided with top grooves, one end of the three top grooves is communicated, and the other end of the three top grooves is communicated with the outside.
[0010] Preferably, a plurality of top holes are formed in the bottom end of the three -way top cover, and the plurality of top holes are distributed equidistantly along the length direction of the three -way top cover.
[0011] Preferably, the inner side of the tee top cover is fixed with a protruding block, the protruding block has elasticity, the outer side top end of the tee bridge body is provided with a clamping groove, and the protruding block is clamped in the corresponding clamping groove.
[0012] Preferably, the U-shaped opening of the U-shaped groove is upwardly arranged.
[0013] Preferably, a plurality of side holes are arranged on both sides of the tee bridge body, and the plurality of side holes are in communication with the inside of the U-shaped groove.
[0014] The technical effects and advantages of the present application are as follows:
[0015] 1. In the actual operation of the present application, when two tee bridge bodies need to be connected, the U-shaped plug-in board can be inserted into the opposite end of the two tee bridge bodies, so that the two tee bridge bodies are connected, and compared with the traditional bolt fixation, it is more stable, and the connection of the U-shaped plug-in board can make the U-shaped grooves of the two tee bridge bodies communicate, when the cable inside the tee bridge body catches fire, the smoke of the flame combustion can be discharged into the U-shaped groove through the heat exhaust hole, so that the smoke is rapidly discharged and the heat accumulation is reduced, and the setting of the U-shaped groove can also reduce the loss of manufacturing materials.
[0016] 2. Further, in the use, the heat generated by the electrical devices inside the tee bridge body can also be discharged from the U-shaped groove, and since the U-shaped groove is arranged, the thickness of the tee bridge body can be expanded, the heat insulation effect is increased, and the external air can be circulated and heat dissipation is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a perspective view of the structure of the fireproof tee cable bridge of the present application.
[0018] Figure 2 It is another perspective view of the structure of the fireproof tee cable bridge of the present application.
[0019] Figure 3 It is another perspective view of the structure of the fireproof tee cable bridge of the present application. Figure 1 It is an enlarged view of A in the present application.
[0020] In the figure: 1, tee bridge body; 2, U-shaped groove; 3, fixing screw; 4, U-shaped plug-in board; 5, through groove; 6, tee top cover; 7, top groove; 8, heat exhaust hole; 9, side hole; 10, top hole; 11, protruding block; 12, clamping groove; 13, fireproof layer. DETAILED DESCRIPTION
[0021] The present application provides a fireproof tee cable bridge as Figures 1 to 3The illustrated fireproof three-way cable bridge comprises a three-way bridge body 1, a three-way top cover 6 is slidably matched on the three-way bridge body 1, a protruding block 11 is fixed on the inner side of the three-way top cover 6, the protruding block 11 is elastic, a clamping groove 12 is formed on the outer top end of the three-way bridge body 1, and the protruding block 11 is clamped in the corresponding clamping groove 12.
[0022] In the actual operation of the utility model, the three-way top cover 6 can be clamped on the top end of the three-way bridge body 1 and shield the top end of the three-way bridge body 1, thereby playing a role of protection and isolation from external air and dust.
[0023] The three-way bridge body 1 is provided with a U-shaped groove 2 at each end of the three-way bridge body 1, the three U-shaped grooves 2 are communicated with each other, a U-shaped plug plate 4 is slidably arranged in the U-shaped groove 2, a through groove 5 is formed at one end of the U-shaped plug plate 4, and the through groove 5 penetrates the other side of the U-shaped plug plate 4.
[0024] The three-way bridge body 1 is provided with a fireproof layer 13 on the inner side, the fireproof layer 13 is made of fireproof material, a plurality of heat exhausting holes 8 are formed on the top end of the fireproof layer 13, a through hole corresponding to the heat exhausting hole 8 is formed in the three-way bridge body 1, the through hole is communicated with the inner side of the U-shaped groove 2, a fixing screw 3 is arranged on the outer side of the three-way bridge body 1, one end of the fixing screw 3 extends into the U-shaped groove 2 and is pressed against the outer surface of the U-shaped plug plate 4.
[0025] In the actual operation of the utility model, when two three-way bridge bodies 1 need to be connected, the U-shaped plug plate 4 can be inserted into the opposite end of the two three-way bridge bodies 1, so that the two three-way bridge bodies 1 are connected, and compared with the traditional bolt fixing, the connection of the U-shaped plug plate 4 is more stable, meanwhile, the connection of the U-shaped plug plate 4 can make the U-shaped grooves 2 of the two three-way bridge bodies 1 communicated, when the cable in the three-way bridge body 1 catches fire, the smoke generated by the flame can be exhausted into the U-shaped groove 2 through the heat exhausting hole 8, so that the smoke is rapidly dispersed and the heat is reduced, and meanwhile, the arrangement of the U-shaped groove 2 can also reduce the loss of manufacturing materials.
[0026] Further, in the usual use, the heat generated by the electrical devices in the three-way bridge body 1 can also be exhausted from the U-shaped groove 2, since the U-shaped groove 2 is arranged, the thickness of the three-way bridge body 1 can be enlarged, the heat insulation effect is increased, and meanwhile, the outside air can be conveniently circulated and heat dissipation is facilitated.
[0027] The three ends of the three-way top cover 6 are provided with top grooves 7, one end of the three top grooves 7 is communicated with each other, the other end of the three top grooves 7 is communicated with the outside, and the smoke generated by fire and the heat generated by work can be exhausted from the top holes 10.
[0028] A plurality of top holes 10 are formed on the bottom end of the three-way top cover 6, and the plurality of top holes 10 are equidistantly distributed along the length direction of the three-way top cover 6.
[0029] The U-shaped opening of the U-shaped groove 2 is arranged upward.
[0030] A plurality of side holes 9 are arranged on both sides of the three-way bridge body 1, and the plurality of side holes 9 are in communication with the inside of the U-shaped groove 2, so as to facilitate air circulation.
Claims
1. A fireproofed T-junction cable bridge, comprising a T-junction bridge body (1), characterized in that: Three pass bridge body (1) three mouth end are provided with U type groove (2), three U type groove (2) are communicated with each other, and U type groove (2) is slidably provided with U type plugboard (4), U type plugboard (4) one end is provided with through groove (5), the through groove (5) penetrates the other side of U type plugboard (4), three pass bridge body (1) is slidably fitted with three pass top cover (6) on; The three-pass bridge body (1) has a fireproof layer (13) on the inner side, a plurality of heat exhaust holes (8) are formed at the top end of the fireproof layer (13), and a through hole corresponding to the heat exhaust hole (8) is formed in the three-pass bridge body (1). The bottom end of the through hole is in communication with the inside of the U-shaped groove (2).
2. The fire resistant tee cable tray of claim 1, wherein: The three-pass bridge body (1) is provided with a fixing screw (3) on the outside, one end of the fixing screw (3) extends into the U-shaped groove (2), and the extending end is pressed against the outer surface of the U-shaped plugboard (4).
3. The fire resistant tee cable tray of claim 2, wherein: The three-pass top cover (6) is provided with a top groove (7) at each end, one end of the three top grooves (7) is communicated with each other, and the other end of the three top grooves (7) is communicated with the outside.
4. The fire resistant tee cable tray of claim 1, wherein: The three-pass top cover (6) is provided with a plurality of top holes (10) at the bottom end, and the plurality of top holes (10) are distributed equidistantly along the length direction of the three-pass top cover (6).
5. The fire resistant tee cable tray of claim 1, wherein: The three-pass top cover (6) is fixed with a protruding block (11) on the inner side, the protruding block (11) has elasticity, the three-pass bridge body (1) is provided with a clamping groove (12) at the top end on the outside, and the protruding block (11) is clamped in the corresponding clamping groove (12).
6. The fire resistant tee cable tray of claim 1, wherein: The U-shaped opening of the U-shaped groove (2) is arranged upward.
7. The fire resistant tee cable tray of claim 1, wherein: A plurality of side holes (9) are formed in the both sides of the three-pass bridge body (1), and the plurality of side holes (9) are in communication with the inside of the U-shaped groove (2).