Multi-core low-voltage connector

Abstract

The utility model relates to the technical field of low-voltage connectors, in particular to a multi-core low-voltage connector, which comprises a joint and a protective device, one side of the joint is fixedly connected with a data line, the protective device is arranged on one side of the joint and comprises a push rod, the push rod is fixedly connected with the joint, a sliding sleeve is sleeved on the surface of the joint, and a sliding hole is arranged on the surface of the sliding sleeve. The pressure spring drives the sliding sleeve to be matched with the rubber pad to seal the joint connecting position, water stains and dust are effectively blocked, and the occurrence probability of the problems of short circuit caused by water erosion, poor contact caused by dust accumulation and the like is greatly reduced. Stable electrical performance and long-term reliable operation of the connector are powerfully guaranteed, the service life of the connector is prolonged, meanwhile, the problems of data transmission interruption and the like caused by connection faults are reduced, and the working continuity and safety of related equipment or systems are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to low pressure connector technical field especially relates to a multi -core low voltage connector. BACKGROUND

[0002] Low voltage connector is a kind of key assembly for connecting circuit in low voltage electrical system, it can realize reliable connection between wire, cable etc., guarantee the stable transmission of electric energy, it has multiple types and specifications, can adapt to different electrical equipment needs, generally by conductive terminal, insulating shell etc. Part constitutes, and conductive terminal ensures good electrical conductivity, and insulating shell plays the role of isolation and protection, is widely used in electronic equipment, automobile, industrial automation and many other fields, can conveniently and quickly establish or disconnect circuit connection, facilitate the installation, maintenance and upgrading of equipment, plays an indispensable role for the normal operation of entire electrical system.

[0003] In prior art such as the utility model with publication number CN202817362U, the utility model relates to the field of circuit connecting device used in locomotive or motor car, specifically a locomotive low voltage connector, solves the problems of more traditional cable quantity, inconvenient installation and maintenance, connection place is easily corroded by water and dust, easy short circuit. The locomotive low voltage connector includes a shell, a wiring circuit board is arranged in the shell, the wiring circuit board is connected out of two 15-core connectors through shielded wire harness, a 37-core connector is arranged on the shell, a power supply and three groups of control signals are connected between the 37-core connector and the wiring circuit board, the shell is filled with epoxy resin, the shielded wire harness is sleeved with heat shrink sleeve at a certain distance, and the shielded wire harness is shaped by heat shrink with hot air gun. The utility model reduces the number of cables, saves space and simplifies layout, solves the problem of inconvenient installation and maintenance, and increases the resistance to external environment.

[0004] But the existing low voltage connector, its connection place weak waterproof ability, easily make moisture intrude inside circuit, destroy electrical performance, cause short circuit fault even equipment damage, joint sealing property is poor, it is difficult to effectively block outside water vapor, dust and impurities, cause contact point to be eroded, contact resistance increases, affect signal transmission stability and current conduction efficiency. UTILITARIAN CONTENT

[0005] The utility model aims at solving the shortcomings of the prior art that the existing low voltage connector has weak waterproof ability at the connection, moisture easily intrudes into the internal circuit, damages the electrical performance, causes short circuit failure, even equipment damage, and the joint sealing property is poor, it is difficult to effectively block outside water vapor, dust and impurities, causes the contact point to be eroded, the contact resistance increases, and the signal transmission stability and current conduction efficiency are affected, and a multi-core low voltage connector is provided.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a multi-core low-voltage connector, including the joint and the protection device, one side of the joint is fixedly connected with the data line, the protection device is arranged at one side of the joint, the protection device includes the push rod, the push rod is fixedly connected with the joint, the surface of the joint is equipped with the sliding sleeve, the surface of the sliding sleeve is opened the slide hole, the push rod and the slide hole of the sliding sleeve surface slidingly connected, the upper surface of the push rod is opened the hole no.

[0007] Preferably, the side of the sliding sleeve close to the push rod is fixedly connected with a guide rod, the guide rod is slidingly connected with the hole no.

[0008] Preferably, the surface of the guide rod is fixedly connected with a clamping block, and the guide rod is arranged in an L shape.

[0009] Preferably, the surface of the guide rod is sleeved with a pressure spring, and the two ends of the pressure spring are fixedly connected with the push rod and the clamping block respectively.

[0010] Preferably, the side of the joint close to the data line is provided with a reinforcing device, the reinforcing device comprises a first rod body, the surface of the first rod body is sleeved with an elastic band, and the side, away from the first rod body, of the elastic band is fixedly connected with a positive magic tape.

[0011] Preferably, the side of the joint close to the first rod body is fixedly connected with a second rod body, and the first rod body and the second rod body are symmetrically arranged.

[0012] Preferably, the upper surface of the elastic band is fixedly connected with a reverse magic tape, and the magic tape is attached to the reverse magic tape.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] In the utility model, when the joint is inserted, the pressure spring generates elastic force to cooperate with the guide rod to pull the sliding sleeve to move, so that the joint connection is sleeved, and the rubber pad is abutted and sealed with the interface, so that water stains and dust are reduced to enter, and normal use of the joint is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic diagram of a multi-core low-voltage connector is provided for the utility model;

[0016] Figure 2 A side view structure schematic diagram of a multi-core low-voltage connector is provided for the utility model;

[0017] Figure 3 A protective device structure schematic diagram of a multi-core low-voltage connector is provided for the utility model;

[0018] Figure 4 A reinforcing device structure schematic diagram of a multi-core low-voltage connector is provided for the utility model; Figure 3 An enlarged structure schematic diagram of the A place of the utility model;

[0019] Figure 5 A reinforcing device structure schematic diagram of a multi-core low-voltage connector is provided for the utility model;

[0020] Legend: 1, joint; 2, data line; 3, protective device; 31, sliding sleeve; 32, rubber pad; 33, push rod; 34, guide rod; 35, clamping block; 36, pressure spring; 4, reinforcing device; 41, elastic band; 42, first rod; 43, second rod; 44, magic tape; 45, reverse magic tape. DETAILED DESCRIPTION

[0021] Referring to Figures 1-5 The utility model provides a technical scheme: a multi -core low voltage connector, including the joint 1 and the protection device 3, the one side fixed connection of joint 1 has data line 2, the protection device 3 sets up in the one side of joint 1.

[0022] The specific setting and function of the protection device 3 and the reinforcing device 4 will be described below.

[0023] In the embodiment: the protection device 3 includes push rod 33, push rod 33 is fixedly connected with joint 1, the surface of joint 1 is sleeved with sliding sleeve 31, the surface of sliding sleeve 31 is provided with sliding hole, push rod 33 is connected with the sliding hole on the surface of sliding sleeve 31, the upper surface of push rod 33 is provided with hole one, one side of sliding sleeve 31 is fixedly connected with rubber pad 32, by setting protection device 3, pressure spring 36 drives sliding sleeve 31 to seal the joint 1 connection with rubber pad 32, effectively blocks water mark and dust, greatly reduces the probability of occurrence of short circuit caused by moisture erosion and the problem of poor contact caused by dust accumulation, effectively guarantees the electrical performance stability and long-term reliable operation of joint 1, prolongs the service life of joint 1, also reduces the problem of data transmission interruption caused by connection failure, improves the working continuity and safety of related equipment or system.

[0024] Specifically, the side of sliding sleeve 31 close to push rod 33 is fixedly connected with guide rod 34, guide rod 34 is connected with the hole one on the surface of push rod 33, by setting guide rod 34, guide rod 34 can work with pressure spring 36, accurately guide the movement of sliding sleeve 31, when joint 1 is inserted, pressure spring 36 generates elastic force, guide rod 34 provides stable moving direction for sliding sleeve 31, ensures that sliding sleeve 31 can be accurately sleeved on the connection of joint 1.

[0025] Specifically, the surface of guide rod 34 is fixedly connected with clamping block 35, and guide rod 34 is arranged in an L shape.

[0026] Specifically, the surface of guide rod 34 is sleeved with pressure spring 36, and the two ends of pressure spring 36 are fixedly connected with push rod 33 and clamping block 35 respectively, by setting pressure spring 36, when joint 1 is inserted, pressure spring 36 will generate elastic force, and the elastic force can be used as a power source to pull sliding sleeve 31 to move, so that the connection of joint 1 is automatically sleeved.

[0027] Specifically, the side of joint 1 close to data line 2 is provided with reinforcing device 4, and the reinforcing device 4 comprises a first rod body 42, the surface of the first rod body 42 is sleeved with an elastic band 41, and the side, away from the first rod body 42, of the elastic band 41 is fixedly connected with a positive magic tape 44.

[0028] In the embodiment: by setting the reinforcing device 4, the mechanical strength of the connection between the data line 2 and the connector 1 can be effectively enhanced, and in the daily use or in the case of facing certain external force pulling, bending and the like, the risk of the data line 2 breaking and exposing the line is greatly reduced, the stability and continuity of data transmission are ensured, and the probability of data loss or equipment operation abnormality caused by connection failure is reduced.

[0029] Specifically, the connector 1 is fixedly connected with the second rod body 43 on the side close to the first rod body 42, and the first rod body 42 and the second rod body 43 are symmetrically arranged.

[0030] Specifically, the upper surface of the elastic band 41 is fixedly connected with the reverse magic tape 45, and the positive magic tape 44 is bonded with the reverse magic tape 45.

[0031] In the embodiment: by setting the elastic band 41, the elastic band 41 can effectively wrap the connection end of the data line 2 and the connector 1 by winding on the first rod body 42 and the second rod body 43.

[0032] Working principle: by setting the protection device 3 and the reinforcing device 4, when the connector 1 is inserted, the elastic force of the pressure spring 36 cooperates with the guide rod 34 to pull the sliding sleeve 31 to move, the connection of the connector 1 is sleeved, at the same time, the rubber pad 32 is abutted and sealed with the interface, the water stain and dust entering is reduced, the normal use of the connector 1 is ensured, the elastic band 41 is wound on the first rod body 42 and the second rod body 43, the connection end of the data line 2 and the connector 1 is wrapped, then the positive magic tape 44 and the reverse magic tape 45 are bonded, the strength of the connection between the data line 2 and the connector 1 is facilitated to be enhanced, the breaking and exposure of the data line 2 is reduced, by setting the utility model, the pressure spring 36 drives the sliding sleeve 31 to cooperate with the rubber pad 32 to seal the connection of the connector 1, effectively blocks the water stain and dust, greatly reduces the probability of occurrence of problems such as short circuit caused by moisture erosion and poor contact caused by dust accumulation, effectively ensures the electrical performance stability and long-term reliable operation of the connector 1, prolongs the service life of the connector 1, at the same time, reduces the problems such as data transmission interruption caused by connection failure, improves the working continuity and safety of the related equipment or system.

Claims

1. A multi-core low voltage connector comprising a terminal (1) and a protection device (3), characterized in that: One side of the joint (1) is fixedly connected with a data line (2), the protection device (3) is arranged on one side of the joint (1), the protection device (3) comprises a push rod (33), the push rod (33) is fixedly connected with the joint (1), the surface of the joint (1) is sleeved with a sliding sleeve (31), the surface of the sliding sleeve (31) is provided with a sliding hole, the push rod (33) is slidably connected with the sliding hole in the surface of the sliding sleeve (31), the upper surface of the push rod (33) is provided with a hole one, one side of the sliding sleeve (31) is fixedly connected with a rubber pad (32).

2. The multi-core low-voltage connector according to claim 1, characterized in that: The sliding sleeve (31) is fixedly connected with a guide rod (34) on the side close to the push rod (33), and the guide rod (34) is slidably connected with the hole one in the surface of the push rod (33).

3. The multi-core low-voltage connector according to claim 2, characterized in that: The surface of the guide rod (34) is fixedly connected with a clamping block (35), and the guide rod (34) is arranged in an "L" shape.

4. The multi-core low-voltage connector of claim 2, wherein: The surface of the guide rod (34) is sleeved with a pressure spring (36), and the two ends of the pressure spring (36) are fixedly connected with the push rod (33) and the clamping block (35) respectively.

5. The multi-core low-voltage connector of claim 1, wherein: One side of the joint (1) close to the data line (2) is provided with a reinforcing device (4), the reinforcing device (4) comprises a first rod body (42), the surface of the first rod body (42) is sleeved with an elastic band (41), and one side of the elastic band (41) away from the first rod body (42) is fixedly connected with a positive magic tape (44).

6. The multi-core low-voltage connector of claim 5, wherein: One side of the joint (1) close to the first rod body (42) is fixedly connected with a second rod body (43), and the first rod body (42) and the second rod body (43) are symmetrically arranged.

7. The multi-core low-voltage connector of claim 5, wherein: The upper surface of the elastic band (41) is fixedly connected with a negative magic tape (45), and the positive magic tape (44) is bonded with the negative magic tape (45).

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