A quick-connect type connecting sleeve for railway signal cables

Abstract

The present invention relates to the technical field of cable laying and wiring, and specifically discloses a quick-connect railway signal cable connecting sleeve, comprising an adapter structure, a pair of line fixing structures and a protective structure; the adapter structure is used for cable docking, the pair of line fixing structures are symmetrically arranged on the adapter structure, the line fixing structure is used to fix the cable docking end, the protective structure is detachably buckled on the adapter structure and the line fixing structure, and the protective structure is used to shield and protect the adapter structure and the line fixing structure. This scheme provides the advantages of space saving, multi-line docking, stable wiring, protective performance, simple operation and quick plugging for cable wiring through the design of an adapter seat opening an adapter along an arc, combined with the lifting and moving of a wiring unit and an external protective structure, thereby improving the efficiency and reliability of wiring.

Description

Technical Field

[0001] The invention relates to the technical field of cable laying and wiring, in particular to a quick-connect railway signal cable connecting sleeve. Background Art

[0002] Cable connection is a basic process in the laying process of electrical engineering, and it is also a very important process. The quality of cable connection is directly related to whether the entire line can operate safely and reliably for a long time. The existing docking method mostly removes the outer insulation skin manually, and then connects the wire cores according to twisted connection, tight connection, etc. The process is complicated and requires multiple windings. It is even more inconvenient if it is a high-altitude operation. If the existing push-type terminal blocks are used, when there are many cores in the signal cable, it is relatively messy to use more, and it is easy to break due to tension, and there are no external protective measures, which makes it easy for rainwater to enter. Summary of the invention

[0003] The purpose of the present invention is to solve the technical problem of inconvenient wiring of cable connecting sleeves in the prior art, and to provide a quick-connect railway signal cable connecting sleeve.

[0004] In order to solve the above-mentioned problem, the present invention provides the following technical solutions: a quick-connect railway signal cable connector, comprising a transfer structure, a pair of wire fixing structures and a protective structure; the transfer structure is used for cable docking, the pair of wire fixing structures are symmetrically arranged on the transfer structure, the wire fixing structure is used to fix the cable docking end, the protective structure can be detachably buckled on the transfer structure and the wire fixing structure, and the protective structure is used to shield and protect the transfer structure and the wire fixing structure.

[0005] Preferably, the adapter structure includes an adapter seat and a plurality of wiring units; both left and right ends of the adapter seat are semicircular structures, and a slot connected to the upper wall is provided in the middle of the front and rear side walls of the adapter seat, and a plurality of adapter interfaces are provided on the side walls at both ends of the adapter seat at equal distances and arranged along an arc, and a plurality of threaded holes corresponding to the adapter interfaces are provided on the upper walls at both ends of the adapter seat at equal distances, and the plurality of wiring units are respectively movably arranged at the adapter interface positions, and are respectively located at the left and right ends of the adapter seat and are correspondingly connected.

[0006] Preferably, the wiring unit includes a guide plate, a wire fixing screw and a wiring tube; the guide plate is fixedly embedded in the middle of the bottom end of the adapter, one end of the wire fixing screw is movably screwed into the threaded hole of the adapter seat, and one end of the wire fixing screw is located in the adapter, the wiring tube is movably inserted in the adapter and is located on the front side of the guide plate, the middle part of the upper wall of the wiring tube is movably connected to one end of the wire fixing screw, the wiring tube is lifted and moved in the adapter through the rotation of the wire fixing screw, and the wiring tube is movably inserted in the bottom end of the adapter and is located between the guide plate and the inner front side wall of the adapter.

[0007] Preferably, the wire fixing structure includes a pair of wire fixing frames, two pairs of first bolts, two pairs of docking seats, and a pair of extrusion screws; both of the pair of wire fixing frames are concave, and both ends of the pair of wire fixing frames are respectively movably connected to the front and rear side walls of the left end of the adapter base, and are located on the left side of the slot. Flip openings are respectively formed at the front and rear ends of the middle parts of the pair of wire fixing frames, and clamping grooves are symmetrically arranged in the middle parts of the pair of wire fixing frames. The two pairs of first bolts respectively pass through the two ends of the wire fixing frames movably and are screwed into the adapter base. The two pairs of docking seats are respectively movably inserted into the flip openings, and a spiral hole is oppositely formed in the middle of the adapter base. Both ends of the pair of extrusion screws respectively pass through the spiral holes in the middle of the docking seats movably.

[0008] Preferably, the protection structure includes a protective cover, a pair of insertion rods, a bottom plate, and two pairs of second bolts; the protective cover is a shell without a lower wall, and both the left and right ends are arc-shaped. Wire grooves are respectively formed on the side walls at both the left and right ends of the protective cover. The protective cover is detachably buckled on the adapter base, and the protective cover is sleeved on the wire fixing structure. One ends of the pair of insertion rods are respectively symmetrically arranged on the upper inner wall of the protective cover, and the other ends of the insertion rods are respectively movably inserted into the slots of the adapter base. The bottom plate is detachably buckled on the bottom of the protective cover, and the two pairs of second bolts respectively pass through the bottom plate movably and are screwed into the upper wall of the protective cover.

[0009] Preferably, the docking seat can be flipped by a certain angle within the flip opening.

[0010] Preferably, the wire fixing frame clamps the cable by rotating the extrusion screw and flipping relatively.

[0011] Preferably, the conducting pieces in the left and right ends of the adapter base are respectively connected correspondingly through wires.

[0012] A fast-connecting railway signal cable connector proposed by the present invention has the following beneficial effects:

[0013] 1. Space saving: The design of the adapter base with a transfer interface opened along an arc enables compact arrangement during multi-line docking, reduces the occupied space, is suitable for scenarios with limited space, such as computer rooms, equipment boxes, etc., and prevents messy wiring.

[0014] 2. Multi-line docking: Through the design of the transfer interface, multiple lines can be docked simultaneously, meeting complex wiring requirements, and improving the flexibility and expandability of wiring.

[0015] 3. Stable wiring: The lifting movement and extrusion locking mechanism of the wiring unit ensure that the wire cores can be firmly locked after insertion, prevent disconnection due to pulling, and at the same time, the cooperation with the wire fixing structure further enhances the clamping force at the cable end and maintains the stability of wiring.

[0016] 4. Protection performance: The external protective structure effectively protects the wiring parts to prevent the entry of rain, dust, etc., avoid short circuits, corrosion and other problems, and improve the safety and reliability of wiring.

[0017] 5. Easy operation: The overall structure is simple and light, easy to operate, and can achieve quick plug-in, which reduces the complexity of wiring and the difficulty of operation and improves work efficiency.

[0018] 6. Quick plug-in: Through the lifting and moving and squeezing locking mechanism, the wiring process is fast and reliable, which reduces the wiring time and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the assembly structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the split structure of the switching structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the split structure of the fixed line structure of the present invention;

[0022] Figure 4 It is a schematic diagram of the assembly structure of the transfer structure and the fixed line structure;

[0023] Figure 5 It is a schematic diagram of the split structure of the protective structure of the present invention;

[0024] Figure 6 for Figure 2 A local enlarged view of point A in FIG.

[0025] Figure 7 for Figure 3 A partial enlarged view of point B in FIG.

[0026] In the figure: 1. adapter structure; 11. adapter seat; 12. wiring unit; 121. guide plate; 122. wire fixing screw; 123. wiring tube; 2. wire fixing structure; 21. wire fixing frame; 22. first bolt; 23. docking seat; 24. extrusion screw; 3. protection structure; 31. protection cover; 32. plug rod; 33. bottom plate; 34. second bolt; 4. slot; 5. adapter interface; 6. threaded hole; 7. slot; 8. flip opening; 9. wire trough. DETAILED DESCRIPTION

[0027] The specific implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0028] like Figures 1-7As shown; the present invention provides a technical solution: a quick-connect railway signal cable connecting sleeve; comprising an adapter structure 1, a pair of wire fixing structures 2 and a protective structure 3; the adapter structure 1 is used for cable docking, the pair of wire fixing structures 2 are symmetrically arranged on the adapter structure 1, the wire fixing structure 2 is used to fix the cable docking end, the protective structure 3 can be detachably buckled on the adapter structure 1 and the wire fixing structure 2, and the protective structure 3 is used to shield and protect the adapter structure 1 and the wire fixing structure 2.

[0029] As a further embodiment of the present invention; Figure 2 As shown, the adapter structure 1 includes an adapter seat 11 and a plurality of wiring units 12; both left and right ends of the adapter seat 11 are semicircular structures, and a slot 4 connected to the upper wall is provided in the middle of the front and rear side walls of the adapter seat 11, and a plurality of adapter ports 5 are provided on the side walls of the left and right ends of the adapter seat 11 at equal distances along an arc, and a plurality of threaded holes 6 corresponding to the adapter ports 5 are provided on the upper walls of the left and right ends of the adapter seat 11 at equal distances, and a plurality of wiring units 12 are respectively movably arranged at the locations of the adapter ports 5, and are respectively located at the left and right ends of the adapter seat 11 and connected correspondingly, and a plurality of wiring units 12 are carried by the adapter seat 11, and multi-core docking can be achieved with the help of the wiring units 12.

[0030] As a further embodiment of the present invention; Figure 2 and Figure 6 As shown, the wiring unit 12 includes a guide piece 121, a wire fixing screw 122 and a wire tube 123; the guide piece 121 is fixedly embedded in the middle of the bottom end of the transfer interface 5, one end of the wire fixing screw 122 is movably screwed into the threaded hole 6 of the transfer seat 11, and one end of the wire fixing screw 122 is located in the transfer interface 5, the wire tube 123 is movably inserted into the transfer interface 5 and is located in front of the guide piece 121, the middle of the upper wall of the wire tube 123 is movably connected to one end of the wire fixing screw 122, and the wire tube 123 is connected to the wire fixing screw 122 through the wire fixing screw 122. The wire tube 123 is movably inserted into the bottom end of the adapter 5 and is located between the guide piece 121 and the front side wall of the adapter 5. After the wire core passes through the wire tube 123 and is inserted into the adapter seat 11, the wire fixing screw 122 is rotated to make the wire tube 123 descend, and the metal inside the wire core is bent into a concave shape and squeezed on the guide piece 121 for communication. The guide pieces 121 at the left and right ends of the adapter seat 11 are respectively connected to each other through wires, which are used for connecting the cables at the left and right ends.

[0031] As a further embodiment of the present invention; Figure 3 , Figure 4 and Figure 7As shown in the figure, the wire fixing structure 2 includes a pair of wire fixing frames 21, two pairs of first bolts 22, two pairs of docking seats 23, and a pair of extrusion screws 24; both of the pair of wire fixing frames 21 are concave. The two ends of the pair of wire fixing frames 21 are respectively movably connected to the front and rear side walls of the left end of the adapter seat 11 and are located on the left side of the slot 4. The front and rear ends of the middle parts of the pair of wire fixing frames 21 are both provided with flipping openings 8. The middle parts of the pair of wire fixing frames 21 are symmetrically provided with clamping grooves 7. The two pairs of first bolts 22 respectively movably penetrate through the two ends of the wire fixing frames 21 and are screwed into the adapter seat 11. The two pairs of docking seats 23 are respectively movably inserted into the flipping openings 8. And a spiral hole is oppositely opened in the middle part of the adapter seat 11. The two ends of the pair of extrusion screws 24 respectively movably penetrate through the spiral holes in the middle parts of the docking seats 23. By rotating the extrusion screws 24, the docking seats 23 are made to flip a certain angle in the wire fixing frames 21, driving the wire fixing frames 21 to flip relatively to clamp the end of the cable to prevent it from falling off. The docking seats 23 can flip a certain angle in the flipping openings 8 for fitting the flipping of the wire fixing frames 21. The wire fixing frames 21 relatively flip to clamp the cable by rotating the extrusion screws 24, which is used to fix the wiring end of the cable.

[0032] As a further solution of the present invention; as Figure 5 shown in the figure, the protection structure 3 includes a protective cover 31, a pair of insertion rods 32, a bottom plate 33, and two pairs of second bolts 34; the protective cover 31 is a shell without a lower wall, and both the left and right ends are arc-shaped. Wire grooves 9 are opened on the side walls at both the left and right ends of the protective cover 31. The protective cover 31 is detachably buckled on the adapter seat 11 and is sleeved on the wire fixing structure 2. One ends of the pair of insertion rods 32 are symmetrically arranged on the upper inner wall of the protective cover 31 respectively, and the other ends of the insertion rods 32 are respectively movably inserted into the slots 4 of the adapter seat 11. The bottom plate 33 is detachably buckled on the bottom of the protective cover 31. The two pairs of second bolts 34 respectively movably penetrate through the bottom plate 33 and are screwed into the upper wall of the protective cover 31. The protective cover 31 is installed by inserting the insertion rods 32 into the adapter seat 11, and the bottom plate 33 is buckled on the bottom of the protective cover 31 by means of the second bolts 34 to protect the connection structure 1 and the wire fixing structure 2.

[0033] The detailed connection means; is well-known technology in the art; the following mainly introduces the working principle and process; the specific work is as follows.

[0034] After removing the external insulation from the wire core of the wiring cable; inserting the metal wire core into the transfer port 5 of the adapter seat 11; and inserting the wire core into the wiring tube 123 in the wiring unit 12; arranging the wire cores to be connected correspondingly at the left and right ends of the adapter seat 11 for correspondence;

[0035] Rotating the wire fixing screw 122 to lower the wiring tube 123 in the transfer port 5; causing the wire core to be squeezed into a concave shape at the bottom end of the transfer port 5 by force; causing the metal of the wire core to contact the conducting piece 121 for connection;

[0036] The cable terminal is located between the wire fixing frame 21 of the wire fixing structure 2; it is placed in the card slot 7; the extrusion screw 24 is rotated to cause the docking seat 23 with the reverse spiral hole to move relatively; the wire fixing frame 21 is driven to flip relatively with the help of the first bolt 22; the cable is clamped and fixed to prevent disconnection due to external force; and as the wire fixing frame 21 flips relatively, the docking seat 23 remains relatively parallel; therefore, the docking seat 23 will flip a certain angle in the flip opening 8 to fit the wire fixing frame 21;

[0037] The protective cover 31 in the protective structure 3 is buckled onto the adapter structure 1 and the wire fixing structure 2; and is inserted into the slot 4 for setting with the aid of the insertion rod 32; after the cables are passed through the wire grooves 9 at the left and right ends of the protective cover 31; the bottom plate 33 can be buckled onto the bottom of the protective cover 31 by the second bolt 34; and then the adapter structure 1 and the wire fixing structure 2 are located in the protective cover 31 for shielding and protection; thus achieving fast and stable docking of multiple wire cores.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-connect type connecting sleeve for railway signal cables, characterized in that, The invention comprises a transfer structure (1), a pair of wire fixing structures (2) and a protective structure (3); the transfer structure (1) is used for connecting cables, the pair of wire fixing structures (2) are symmetrically arranged on the transfer structure (1), the wire fixing structures (2) are used for fixing the connecting ends of the cables, the protective structure (3) is detachably buckled on the transfer structure (1) and the wire fixing structure (2), and the protective structure (3) is used for shielding and protecting the transfer structure (1) and the wire fixing structure (2); The adapter structure (1) comprises an adapter seat (11) and a plurality of wiring units (12); Both left and right ends of the adapter seat (11) are semicircular structures, and a slot (4) communicating with the upper wall is provided in the middle of both front and rear side walls of the adapter seat (11), and a plurality of adapter ports (5) are provided on both left and right side walls of the adapter seat (11) at equal intervals and arranged along an arc line, and a plurality of wiring units (12) are movably arranged at the adapter ports (5) and are respectively located at the left and right ends of the adapter seat (11) and are connected correspondingly; A plurality of threaded holes (6) corresponding to and communicating with the transfer ports (5) are equidistantly formed on the upper walls of the left and right ends of the transfer seat (11); The wiring unit (12) comprises a guide piece (121), a wire fixing screw rod (122) and a wiring tube (123); The guide piece (121) is fixedly embedded in the middle of the bottom end of the transfer interface (5); one end of the wire fixing screw (122) is movably screwed into the threaded hole (6) of the transfer seat (11), and one end of the wire fixing screw (122) is located in the transfer interface (5); the wiring tube (123) is movably inserted into the transfer interface (5) and is located in front of the guide piece (121); the middle of the upper wall of the wiring tube (123) is movably connected to one end of the wire fixing screw (122); the wiring tube (123) is lifted and moved in the transfer interface (5) by the rotation of the wire fixing screw (122); the wiring tube (123) is movably inserted into the bottom end of the transfer interface (5) and is located between the guide piece (121) and the inner front side wall of the transfer interface (5); The wire fixing structure (2) comprises a pair of wire fixing frames (21), two pairs of first bolts (22), two pairs of docking seats (23) and a pair of extrusion screws (24); The pair of wire fixing frames (21) are both concave, and the two ends of the pair of wire fixing frames (21) are respectively movably connected to the front and rear side walls of the left end of the adapter (11) and are located on the left side of the slot (4). The front and rear ends of the middle of the pair of wire fixing frames (21) are both provided with flip openings (8). The middle of the pair of wire fixing frames (21) is symmetrically provided with clamping grooves (7). The two pairs of the first bolts (22) are respectively movably penetrated through the two ends of the wire fixing frames (21) and are screwed into the adapter (11). The two pairs of docking seats (23) are respectively movably embedded in the flip openings (8), and the middle of the adapter (11) is provided with spiral holes in the opposite direction. The two ends of the pair of extrusion screws (24) are respectively movably penetrated through the spiral holes in the middle of the docking seats (23).

2. The quick-connect type railway signal cable connecting sleeve according to claim 1, characterized in that, The protective structure (3) comprises a protective cover (31), a pair of insertion rods (32), a bottom plate (33) and two pairs of second bolts (34); The protective cover (31) is a shell without a lower wall, and both left and right ends are arc-shaped. The side walls of the left and right ends of the protective cover (31) are provided with wire grooves (9). The protective cover (31) is detachably buckled on the adapter (11), and the protective cover (31) is sleeved on the fixed wire structure (2). One ends of a pair of the plug rods (32) are symmetrically arranged on the inner upper wall of the protective cover (31), and the other ends of the plug rods (32) are movably inserted into the slots (4) of the adapter (11). The bottom plate (33) is detachably buckled on the bottom of the protective cover (31), and two pairs of the second bolts (34) are movably penetrated through the bottom plate (33) and screwed into the inner upper wall of the protective cover (31).

3. The quick-connect type railway signal cable connector according to claim 2, characterized in that, The docking seat (23) can be turned over in the turning opening (8).

4. The quick-connect type railway signal cable connecting sleeve according to claim 3, wherein, The cable fixing frame (21) is relatively turned over and clamped by rotating the extrusion screw rod (24).

5. The quick-connect type railway signal cable connecting sleeve according to claim 4, characterized in that The guide plates (121) at the left and right ends of the adapter (11) are respectively connected correspondingly via wires.

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