Rail transit wire harness not easy to fall off

Abstract

The utility model relates to a rail transit wire harness not easy to fall off, which comprises a lead, one end of the lead is connected with a son joint, the other end of the lead is connected with a mother joint, the son joint is sleeved with a son sleeve body, the mother joint is sleeved with a mother sleeve body, the peripheral surface of the son sleeve body is provided with a blind hole, and a pressing button is slidably connected in the blind hole. An L-shaped rod is integrally arranged at the bottom of the pressing button, a limiting section extends from the free end of the horizontal section of the L-shaped rod, an inserting section is integrally arranged on the end face of the primary sleeve body, a through hole is formed in the end face, right opposite to the inserting section, of the secondary sleeve body, the through hole communicates with the blind hole, a limiting hole is formed in the inserting section, and a vertical rod is arranged at the bottom of the horizontal section of the L-shaped rod; the vertical rod is sleeved with the compression spring, through limiting connection of the child sleeve body and the mother sleeve body, looseness between the mother connector and the child connector can be prevented, and therefore the safety of the wire harness in the using process is improved, unlocking can be rapidly completed by pressing the pressing button, and the device is suitable for industrial production and has very high practicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of wire harnesses, and in particular relates to a wire harness for rail transportation which is not easy to fall off. Background Art

[0002] In the existing Chinese patent database, a patent named "A special wiring harness for rail transit" is disclosed, with application number CN202320438431.0 and application date 2023-03-09. The device includes a plurality of connecting wires, a plurality of sliding blocks are arranged on the surface of the plurality of connecting wires, an accordion-type connecting cover is arranged between the sliding blocks, a connecting seat and a connecting head are arranged at both ends of the connecting wire, a connecting groove is arranged in the center of the connecting seat, a connecting block is arranged in the center of the connecting head, and the connecting groove and the connecting block can be engaged with each other; a plurality of rotating plates are rotatably connected to the surface of the connecting seat, an elastic member is connected between the rotating plate and the connecting seat, a fixed block is arranged at the bottom of the rotating plate, a plurality of limiting grooves are arranged on the surface of the connecting head, a fixing groove is arranged in the limiting groove, and the fixing groove and the fixed block can be engaged with each other; by setting a connecting cover, different sliding blocks can compress or stretch the accordion-type connecting cover during sliding, so as to protect the connecting wire; the rotating plate elastically connected to the connecting seat can conveniently disassemble the connecting seat and the connecting head by pressing.

[0003] The existing rail transit wiring harness is in a state of vibration for a long time during use, and the female connector and the sub-connector are prone to fall off, resulting in a short circuit and a safety hazard. Therefore, this paper aims to propose a rail transit wiring harness that is not easy to fall off. Through the sub-sleeve and the female sleeve, the locking connection between the female connector and the sub-connector is completed to prevent them from falling off. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing rail transit wiring harness is in a state of vibration for a long time during use, and the female connector and the sub-connector are prone to fall off, resulting in a short circuit and a safety hazard. In order to improve its shortcomings, the utility model provides a rail transit wiring harness that is not easy to fall off.

[0005] In order to achieve the above object, the utility model is realized by the following technical solutions:

[0006] A rail transit wiring harness that is not easy to fall off comprises a wire with a circular cross-section, one end of the wire is connected to a sub-connector, and the other end is connected to a female connector, the sub-connector is sleeved with a sub-sleeve body, the female connector is sleeved with a female sleeve body, a blind hole is provided on the outer circumferential surface of the sub-sleeve body, a push button is slidably connected in the blind hole, an L-shaped rod is integrally provided at the bottom of the push button, a vertical limit section is extended from the free end of the horizontal section of the L-shaped rod, an inserting section is integrally provided on the end surface of the female sleeve, a through hole is provided on the end surface of the sub-sleeve body opposite to the inserting section, the through hole is connected with the blind hole, the inserting section passes through the through hole and is arranged in the blind hole, a limit hole is provided on the inserting section, the limit section is arranged in the limit hole, a vertical rod is provided at the bottom of the horizontal section of the L-shaped rod, a compression spring is sleeved on the vertical rod, one end of the compression spring abuts on the lower surface of the horizontal section of the L-shaped rod, and the other end abuts on the inner bottom surface of the blind hole.

[0007] As a preferred solution, a guide section is integrally provided on the lower surface of the horizontal section of the L-shaped rod, the guide section includes a protrusion, a vertical guide groove is opened on the inner wall of the blind hole, and the protrusion is slidably engaged in the guide groove.

[0008] As a preferred solution, a groove is provided on the inner bottom surface of the blind hole directly facing the vertical rod, and the free end of the vertical rod is arranged in the groove.

[0009] As a preferred solution, the push button is provided at least in two locations.

[0010] As a preferred solution, both the sub-casing body and the main casing body are provided with a neck for passing the wire, and an elastic rubber sleeve is attached to the inner surface of the neck.

[0011] Compared with the prior art, the utility model has the following beneficial effects: through the limiting connection between the sub-sleeve and the mother sleeve, the mother connector and the sub-connector can be prevented from loosening with each other, thereby improving the safety of the wiring harness during use; the unlocking can be quickly completed by pressing the push button, and the operation is convenient. The device is suitable for industrial production and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 for Figure 1 A partial enlarged view of point A in the middle.

[0014] In the figure: 1 wire, 2 sub-connector, 3 female connector, 4 sub-housing, 5 female housing, 6 blind hole, 7 push button, 8 L-shaped rod, 9 limit section, 10 plug-in section, 11 through hole, 12 limit hole, 13 vertical rod, 14 compression spring, 15 guide section, 16 protrusion, 17 guide groove, 18 groove, 19 elastic rubber sleeve. DETAILED DESCRIPTION

[0015] The technical solution of the present application is further described below in conjunction with the accompanying drawings and embodiments.

[0016] like Figure 1-2 As shown, a rail transit wiring harness that is not easy to fall off includes a conductor 1 with a circular cross-section, one end of the conductor 1 is connected to a sub-connector 2, and the other end is connected to a female connector 3, a sub-housing 4 is sleeved on the sub-connector 2, and a female connector 5 is sleeved on the female connector 3. A blind hole 6 is provided on the outer circumference of the sub-housing 4, and a push button 7 is slidably connected in the blind hole 6. An L-shaped rod 8 is integrally provided at the bottom of the push button 7, and a vertical limit section 9 is extended from the free end of the horizontal section of the L-shaped rod 8. The end surface of the female connector 5 is integrally provided with a plug The plug-in section 10 is provided with a through hole 11 on the end face of the sub-housing body 4 facing the plug-in section 10. The through hole 11 is connected with the blind hole 6. The plug-in section 10 passes through the through hole 11 and is arranged in the blind hole 6. The plug-in section 10 is provided with a limit hole 12. The limit section 9 is arranged in the limit hole 12. A vertical rod 13 is provided at the bottom of the horizontal section of the L-shaped rod 8. A compression spring 14 is sleeved on the vertical rod 13. One end of the compression spring 14 abuts against the lower surface of the horizontal section of the L-shaped rod 8, and the other end abuts against the inner bottom surface of the blind hole 6. A guide section 15 is integrally provided on the lower surface of the horizontal section of the L-shaped rod 8. The guide section 15 includes a protrusion 16. A vertical guide groove 17 is provided on the inner wall of the blind hole 6. The protrusion 16 is slidably engaged in the guide groove 17. A groove 18 is provided on the inner bottom surface of the blind hole 6 facing the vertical rod 13. The free end of the vertical rod 13 is arranged in the groove 18. The push button 7 is provided at least in two places. Both the sub-casing body 4 and the main casing body 5 are provided with a neck for passing the wire 1 , and an elastic rubber sleeve 19 is attached to the inner surface of the neck.

[0017] During operation, the operator inserts the female connector 3 into the female sleeve 5 and simultaneously inserts the sub-connector 2 into the sub-sleeve 4. After completion, the sub-sleeve 4 is aligned with the female sleeve 5, and the push button 7 is pressed to align the plug-in section 10 of the female sleeve 5 with the through hole 11 on the end face of the sub-sleeve 4 and insert the plug-in section 10. After insertion, the push button 7 is released. Due to the reset action of the compression spring 14, the limit section 9 is located in the limit hole 12, thereby limiting the relative axial movement between the female sleeve 5 and the sub-sleeve 4. The setting of the guide section 15 and the guide groove 17 improves the stability of the movement of the push button 7 and the L-shaped rod 8 in the blind hole 6.

[0018] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. A rail transit wiring harness that is not easy to fall off, comprising a wire (1) with a circular cross-section, one end of the wire (1) is connected to a sub-connector (2), and the other end is connected to a female connector (3), characterized in that: The sub-joint (2) is sleeved with a sub-housing (4), the female joint (3) is sleeved with a female housing (5), a blind hole (6) is provided on the outer peripheral surface of the sub-housing (4), a push button (7) is slidably connected in the blind hole (6), an L-shaped rod (8) is integrally provided at the bottom of the push button (7), a vertical limiting section (9) is extended from the free end of the horizontal section of the L-shaped rod (8), an inserting section (10) is integrally provided on the end surface of the female housing (5), and a through hole (11) is provided on the end surface of the sub-housing (4) opposite to the inserting section (10). The through hole (11) is connected to the blind hole (6), the plug-in section (10) passes through the through hole (11) and is arranged in the blind hole (6), a limiting hole (12) is provided on the plug-in section (10), the limiting section (9) is arranged in the limiting hole (12), a vertical rod (13) is provided at the bottom of the horizontal section of the L-shaped rod (8), a compression spring (14) is sleeved on the vertical rod (13), one end of the compression spring (14) abuts against the lower surface of the horizontal section of the L-shaped rod (8), and the other end abuts against the inner bottom surface of the blind hole (6).

2. A rail transit wiring harness that is not easy to fall off according to claim 1, characterized in that: A guide section (15) is integrally provided on the lower surface of the horizontal section of the L-shaped rod (8), and the guide section (15) includes a protrusion (16). A vertical guide groove (17) is provided on the inner wall of the blind hole (6), and the protrusion (16) is slidably engaged in the guide groove (17).

3. A rail transit wiring harness that is not easy to fall off according to claim 2, characterized in that: A groove (18) is provided on the inner bottom surface of the blind hole (6) directly facing the vertical rod (13), and the free end of the vertical rod (13) is located in the groove (18).

4. The rail transit wiring harness that is not easy to fall off according to claim 3, characterized in that: The push button (7) is provided at least at two locations.

5. A rail transit wiring harness that is not easy to fall off according to any one of claims 1 to 4, characterized in that: The sub-casing body (4) and the main casing body (5) are both provided with a neck for passing the wire (1), and an elastic rubber sleeve (19) is attached to the inner surface of the neck.

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