CN113078509A

CN113078509A - Wire harness terminal

Info

Publication number: CN113078509A
Application number: CN202110204793.9A
Authority: CN
Inventors: 沈军; 杨文骐; 毛惠君; 宋永琴; 张洁春; 张翀
Original assignee: Shanghai Dai Ichi Electronic Co ltd
Current assignee: Shanghai Dai Ichi Electronic Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-07-06

Abstract

The invention discloses a wire harness terminal, which belongs to the technical field of wire harness design and comprises a shell and two wires, wherein the shell is arranged in a hollow mode, two ends of the shell are open, a metal connecting column is fixedly arranged in the shell, one opposite end of each wire penetrates through the shell and is connected with two ends of the metal connecting column, two ends of each metal connecting column are respectively provided with a mounting groove corresponding to each wire, a detachable cover plate is arranged on the shell and is arranged in an arc shape, a mounting hole corresponding to each cover plate is formed in the outer side wall of the shell, and a supporting block is arranged on the inner side wall of the shell. According to the invention, the connector of the wire harness terminal adopts the clamping cylinder to fix the cable, and the gap diameter of one end, away from the connector, of the clamping cylinder is adjusted by rotating the length of the clamping cylinder entering the shell, so that the wire harness terminal is suitable for cables with different thickness and wire diameters, and the applicability of the wire harness terminal is improved.

Description

Wire harness terminal

Technical Field

The invention relates to the technical field of wiring harness design, in particular to a wiring harness terminal.

Background

With the rapid development of the electronic industry and the expansion of the market, the electrical system is increasingly strong, various electrical appliances with different characteristics are continuously emerging, the electrical performance requirements of the wiring harness are higher and higher, and the connecting terminal plays an extremely important role in the wiring harness and the whole electrical system. If the wire harness is compared with the nervous system of the whole device, the terminal is the venation connecting point of each nervous system, so the quality of the wire harness terminal is directly related to whether the wire harness can be normally used. The unable better lock of present pencil terminal is died in the sheath, and subsequent processing of being not convenient for does not have the protection mouth in sinle silk crimping district simultaneously, and the sinle silk of pencil is very damaged easily like this, warp after the crimping and reserves the tang.

Through retrieval, chinese patent application publication No. CN103545634A discloses a wire harness terminal, which includes a terminal self-locking area, a wire core crimping area, a buffer transition area, an insulation crimping area, a self-locking notch, a front protection notch, a rear protection notch, an inner wire core, an opening, a fixed guide rail and a material belt cut-off point. The core crimp zone contacts the contact area of the conductor and the terminal through which current and signals are transmitted between the terminal and the conductor and the electrical appliance. And is also the region where electrical and mechanical properties are most important. The insulation crimp zone is the contact area between the insulation of the conductor and the terminal, and the area has 2 functions: (1) the phenomenon that the tail part of the sheath is exposed due to the retraction of the insulating layer of the lead and the electric arc connection short circuit occurs under the condition of high voltage is prevented; (2) after the tail of the terminal and the wire are wrapped and contacted in the insulation crimping area, the swinging amplitude between the wire and the terminal is limited, and the possibility that the wire core is broken due to large swinging is prevented. A guider when fixed guide terminal loads into sheath, fixed guide's main function has 2: (1) when the terminal is arranged in the sheath, the terminal plays a role of guiding;

(2) the terminal is arranged in the sheath to play a role in fixing the terminal, so that the terminal cannot rotate or swing left and right in the sheath, and the assembling performance and stability of the terminal and the terminal as well as the terminal and the sheath are ensured. The wire core crimping area is provided with a front protection opening and a rear protection opening on two sides of the end face of the wire core crimping area respectively, the front protection opening and the rear protection opening protect the wire core in the wire core crimping area from being damaged in the cold stamping connection process, and the wire core is prevented from being extruded and deformed during crimping. The buffer transition area is an area between the wire core crimping area and the insulation crimping area in the stamping connection process and mainly serves as an area for deformation and stress diffusion caused by cold stamping connection. The material belt cut-off point terminal is at the cold stamping connection in-process, and the crimping mould is with the position of terminal and material belt separation.

However, the wire harness terminal only fixes one of the cables, and when the cable shakes violently, the cable and the wire harness terminal are easy to be separated from each other, so that the line cannot run normally.

To this end, we propose a wire harness terminal to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a wire harness terminal.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a pencil terminal, includes cavity setting and both ends open-ended shell and two cables, the shell internal fixation is provided with the metal connecting post, two the one end that the cable is relative all runs through the shell and is connected with the both ends of metal connecting post, the both ends of metal connecting post all are provided with the mounting groove that corresponds with the cable, install the detachable apron on the shell, the apron is the arc setting, just be provided with the installing port that corresponds with the apron on the lateral wall of shell, the supporting shoe is installed to the inside wall of shell, the bottom of apron is fixed the top at the supporting shoe through press device with the cable, the equal threaded connection in both ends of shell has the fixing device who is used for fixed cable.

Preferably, a buckle is installed in the housing, the buckle is used for fixing the cable on the housing, and the buckle is connected with the housing through a fixing screw c.

Preferably, both ends of the cover plate are fixedly connected with fixing lugs, the outer side wall of the shell is provided with mounting grooves a corresponding to the fixing lugs, and the fixing lugs are fixed on the shell through fixing screws a.

Preferably, a label is disposed on the cover plate.

Preferably, the metal connecting column is in threaded connection with a fixing screw b, and the fixing screw b is used for fixing the cable on the metal connecting column.

Preferably, the pressing device comprises a spring fixedly connected to the bottom of the cover plate, a pressing block is fixedly connected to the bottom of the spring, the bottom of the pressing block is in contact with the outer side wall of the cable, and arc-shaped grooves corresponding to the cable are formed in the bottom of the pressing block and the top of the supporting block.

Preferably, the cover plate is connected with the shell through a sealing rubber strip, and the cover plate is provided with a mounting groove b corresponding to the sealing rubber strip.

Preferably, fixing device is including being the connector that the annular set up, one side of connector is passed through a centre gripping section of thick bamboo and is connected with the shell, the shell screw thread cup joints on the lateral wall of a centre gripping section of thick bamboo, just a centre gripping section of thick bamboo cover is established on the lateral wall of cable, be provided with a plurality of clearance breachs on the lateral wall of a centre gripping section of thick bamboo.

Preferably, the outer side wall of the housing and the outer side wall of the connector are both fixedly provided with rubber layers.

Preferably, the one end that the shell was kept away from to the connector is connected with solid fixed ring through the elastic component, elastic component and solid fixed ring all overlap and establish on the lateral wall of cable.

Preferably, the fixed ring and the connector are both connected with the outer side wall of the cable through a rubber ring.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

1. compared with the prior art, the wire harness terminal is provided with the fixing device and the pressing device, so that the cable can be more stably fixed on the shell, the cable is prevented from being separated from the metal connecting column due to shaking, and the stability of the wire harness terminal is superior to that of the conventional wire harness terminal;

2. compared with the prior art, the wire harness terminal is provided with the detachable buckle, so that different cables can be fixed in a buckling manner, and the applicability of the device is improved;

3. compared with the prior art, the connector of the wire harness terminal is connected with the cable through the rubber ring, so that a waterproof effect can be achieved, and the phenomenon that rainwater enters the shell to cause circuit failure is avoided;

4. compared with the prior art, the connector of the wire harness terminal adopts the clamping cylinder to fix the cable, and the gap diameter of one end, far away from the connector, of the clamping cylinder is adjusted by rotating the length of the clamping cylinder entering the shell, so that the wire harness terminal is suitable for cables with different thickness and wire diameters, and the applicability of the wire harness terminal is improved.

Drawings

Fig. 1 is a schematic structural view of a wire harness terminal according to the present invention;

fig. 2 is a schematic view of an internal structure of a wire harness terminal according to the present invention;

fig. 3 is a schematic view of a connection structure of a connector, a clamping cylinder and a notch in a wire harness terminal according to the present invention;

fig. 4 is a schematic view of a connection structure of a cable, a metal connecting post and a fixing screw b in a wiring harness terminal according to the present invention;

FIG. 5 is a schematic view of a connection structure of a housing, a rubber layer and a supporting block in a wire harness terminal according to the present invention;

fig. 6 is a schematic view of a connection structure of a housing, a rubber layer, a buckle and a fixing screw c in a wire harness terminal according to the present invention;

fig. 7 is a schematic view of a connection structure of a cover plate, a spring, a support block, a pressing block, a cable and a sealing rubber strip in a harness terminal according to the present invention;

fig. 8 is a schematic view of a connection structure of a fixing ring, a rubber ring and a cable in a wire harness terminal according to the present invention.

In the figure: 1. a housing; 2. a connector; 3. a cover plate; 4. fixing the ear; 5. a fixing screw a; 6. a label; 7. an elastic member; 8. a fixing ring; 9. a rubber layer; 10. a rubber ring; 11. a clamping cylinder; 12. a notch; 13. buckling; 14. a support block; 15. a metal connecting column; 16. a fixing screw b; 17. a cable; 18. a pressing block; 19. a fixing screw c; 20. a spring; 21. and sealing the rubber strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-8, a pencil terminal, including cavity setting and both ends open-ended shell 1 and two cables 17, the shell 1 internal fixation is provided with metal connecting post 15, the one end that two cables 17 are relative all runs through shell 1 and is connected with the both ends of metal connecting post 15, the both ends of metal connecting post 15 all are provided with the mounting groove that corresponds with cable 17, install detachable apron 3 on the shell 1, apron 3 is the arc setting, and be provided with the installing port that corresponds with apron 3 on the lateral wall of shell 1, supporting shoe 14 is installed to the inside wall of shell 1, the bottom of apron 3 is through press device with cable 17 fix the top at supporting shoe 14, the equal threaded connection in both ends of shell 1 has the fixing device who is used for fixed cable 17.

The material of the shell 1 and the material of the connector 2 are both insulating materials.

Wherein, the metal sinle silk of cable 17 is connected with metal spliced pole 15, and metal spliced pole 15 has the electric conductivity.

The cover plate 3 is used for fixing the metal wire core of the cable 17 and the metal connecting column 15 together, so that the two cables 17 are in a communicated state.

The supporting block 14 is used for supporting the cable 17, so that the pressing device presses the cable 17 on the top of the supporting block 14, and the cable 17 is fixed on the shell 1 through the pressing device and the supporting block 14.

The fixing device is used for clamping the outer side wall of the cable 17 to fix the cable 17 on the shell 1.

More specifically, a buckle 13 is installed in the housing 1, the buckle 13 is used for fixing the cable 17 on the housing 1, and the buckle 13 is connected with the housing 1 through a fixing screw c 19.

The buckle 13 is used for clamping and fixing the cable 17, so that the cable 17 is fixed on the inner side wall of the shell 1, the buckle 13 is connected with the shell 1 through a fixing screw c19, the purpose is to replace the buckle 13 matched with the cable 17 according to different wire diameter thicknesses of the cable 17, and the function of improving the applicability of the wire harness terminal is achieved.

More specifically, both ends of the cover plate 3 are fixedly connected with fixing lugs 4, the outer side wall of the housing 1 is provided with mounting grooves a corresponding to the fixing lugs 4, and the fixing lugs 4 are fixed on the housing 1 through fixing screws a 5.

The effect of fixed ear 4 is convenient for fix apron 3 on the lateral wall of shell 1, seals the lateral wall of shell 1, avoids the rainwater to enter into the inside of shell 1, leads to the circuit to take place the short circuit.

Wherein, the cover plate 3 is provided with a label 6.

The label 6 is used for conveniently marking the circuit information of the cable 17 in the circuit laying process and facilitating the circuit laying.

More specifically, a fixing screw b16 is screwed on the metal connection post 15, and a fixing screw b16 is used for fixing the cable 17 on the metal connection post 15.

Fix cable 17 on metal connecting post 15 through set screw b16, make things convenient for the metal core of cable 17 to be connected fixedly with metal connecting post 15.

More specifically, the pressing device comprises a spring 20 fixedly connected to the bottom of the cover plate 3, a pressing block 18 is fixedly connected to the bottom of the spring 20, the bottom of the pressing block 18 is in contact with the outer side wall of the cable 17, and the bottom of the pressing block 18 and the top of the supporting block 14 are both provided with arc-shaped grooves corresponding to the cable 17.

The pressing block 18 is pressed downwards by the spring 20, and the pressing block 18 presses the cable 17 on the top of the supporting block 14, so that the cable 17 and the shell 1 are fixed together.

Wherein, apron 3 is connected with shell 1 through sealing rubber strip 21, is provided with the mounting groove b that corresponds with sealing rubber strip 21 on the apron 3.

The sealing rubber strip 21 is used for fixing a gap at the joint of the cover plate 3 and the shell 1, and aims to prevent rainwater from entering the interior of the shell 1.

More specifically, fixing device is including being the connector 2 of annular setting, and one side of connector 2 is passed through a centre gripping section of thick bamboo 11 and is connected with shell 1, and shell 1 screw thread cup joints on the lateral wall of a centre gripping section of thick bamboo 11, and a centre gripping 11 cover is established on the lateral wall of cable 17, is provided with a plurality of breachs 12 on the lateral wall of a centre gripping section of thick bamboo 11.

It should be noted that the holding cylinder 11 is provided in a tapered hollow shape.

Through rotating the connector 2, adjust the length that a centre gripping section of thick bamboo 11 enters into in the shell 1, the length that a centre gripping section of thick bamboo 11 entered into in the shell 1 is longer, and the centre gripping space that a centre gripping section of thick bamboo 11 kept away from the one end of connector 2 is less to it is fixed to reach the centre gripping to the cable 17 of different line footpath thicknesses.

Wherein, the one end that shell 1 was kept away from to connector 2 is connected with solid fixed ring 8 through elastic component 7, and elastic component 7 and solid fixed ring 8 all overlap and establish on the lateral wall of cable 17.

Elastic component 7 can be spring 20 or a rubber cylinder, and the purpose resets cable 17, prevents that cable 17 from rocking in the high altitude when, and cable 17 leads to cable 17 fracture with the reciprocal bending of shell 1 junction, and elastic component 7 can cushion the external force influence that cable 17 and shell 1 junction received.

Wherein, solid fixed ring 8 and connector 2 are all connected with the lateral wall of cable 17 through rubber circle 10.

The rubber ring 10 can play a waterproof role, and meanwhile, the connection stability between the fixing ring 8 and the connector 2 and the cable 17 can be improved.

Wherein, the outer side wall of the connector 2 and the outer side wall of the housing 1 are both fixedly provided with a rubber layer 9.

The rubber layer 9 functions to reduce the rate of aging of the housing 1 and the connector 2 and to improve the service life of the wire harness terminal.

In the invention, when two cables 17 need to be connected by using the wiring harness terminal, the opposite ends of the two cables 17 sequentially pass through the fixing ring 8 and the connector 2 and are connected with the metal connecting column 15 through the fixing screw b16, after the metal wire cores of the two cables 17 are respectively connected with the two ends of the metal connecting column 15, the cables 17 are fixed on the shell 1 through the buckle 13, then the connector 2 is rotated, the two cables 17 are respectively fixed at the two ends of the shell 1 by using the clamping cylinder 11, then the cover plate 3 is covered, the cables 17 are stably fixed on the supporting block 14 by using the pressing block 18, and finally the cover plate 3 is fixed on the shell 1 by using the fixing screw a5, the wiring harness terminal has simple structure and convenient use, the single-trunk cables 17 are fixed in a triple mode, the stability is superior to that of the existing wiring harness terminal, and the cable connector 17 is fixed by using the clamping cylinder 11 by the wiring, the length of the clamping barrel 11 entering the shell 1 is rotated, and the diameter of a gap at one end, away from the connecting head 2, of the clamping barrel 11 is adjusted, so that the wire harness terminal is suitable for cables 17 with different thicknesses and diameters, and the applicability of the wire harness terminal is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A wire harness terminal is characterized by comprising a shell (1) which is arranged in a hollow mode and two ends of which are opened, and two cables (17), a metal connecting column (15) is fixedly arranged in the shell (1), one end of each of the two cables (17) opposite to each other penetrates through the shell (1) and is connected with two ends of the metal connecting column (15), both ends of the metal connecting column (15) are provided with mounting grooves corresponding to the cables (17), the shell (1) is provided with a detachable cover plate (3), the cover plate (3) is arranged in an arc shape, and the outer side wall of the shell (1) is provided with a mounting port corresponding to the cover plate (3), a supporting block (14) is installed on the inner side wall of the shell (1), a cable (17) is fixed at the top of the supporting block (14) by the bottom of the cover plate (3) through a pressing device, both ends of the shell (1) are in threaded connection with fixing devices for fixing cables (17).

2. A harness terminal according to claim 1, characterised in that a snap (13) is mounted in the housing (1), the snap (13) being used to fix the cable (17) to the housing (1), the snap (13) being connected to the housing (1) by means of a fixing screw c (19).

3. The wire harness terminal according to claim 1, wherein fixing lugs (4) are fixedly connected to both ends of the cover plate (3), mounting grooves a corresponding to the fixing lugs (4) are formed in the outer side wall of the housing (1), and the fixing lugs (4) are fixed on the housing (1) through fixing screws a (5).

4. A harness terminal as claimed in claim 3, characterised in that the cover plate (3) is provided with a label (6).

5. A wire harness terminal according to claim 1, wherein a fixing screw b (16) is screwed to the metal connection post (15), and the fixing screw b (16) is used for fixing the cable (17) to the metal connection post (15).

6. The wire harness terminal according to claim 1, wherein the pressing device comprises a spring (20) fixedly connected to the bottom of the cover plate (3), a pressing block (18) is fixedly connected to the bottom of the spring (20), the bottom of the pressing block (18) is in contact with the outer side wall of the cable (17), and arc-shaped grooves corresponding to the cable (17) are formed in the bottom of the pressing block (18) and the top of the supporting block (14).

7. The wire harness terminal according to claim 1, wherein the cover plate (3) is connected to the housing (1) by a sealing rubber strip (21), and the cover plate (3) is provided with a mounting groove b corresponding to the sealing rubber strip (21).

8. The wire harness terminal according to claim 1, wherein the fixing device comprises a connector (2) which is arranged in an annular shape, one side of the connector (2) is connected with the shell (1) through a clamping cylinder (11), the shell (1) is sleeved on the outer side wall of the clamping cylinder (11) in a threaded manner, the clamping cylinder (11) is sleeved on the outer side wall of the cable (17), and a plurality of notches (12) are formed in the outer side wall of the clamping cylinder (11).

9. The wire harness terminal according to claim 1, wherein one end of the connector (2) far away from the housing (1) is connected with a fixing ring (8) through an elastic piece (7), and the elastic piece (7) and the fixing ring (8) are sleeved on the outer side wall of the cable (17).

10. A harness terminal according to claim 9, characterised in that the fixing ring (8) and the connector head (2) are both connected to the outer side wall of the cable (17) by a rubber ring (10).