CN218101711U

CN218101711U - Puncture type wire harness connection structure

Info

Publication number: CN218101711U
Application number: CN202221964334.7U
Authority: CN
Inventors: 刘慧丽; 赵建国; 周伟; 冯文豪; 冯文娇
Original assignee: Nanjing Fudi Electrical Co ltd
Current assignee: Nanjing Fudi Electrical Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-20
Anticipated expiration: 2032-07-27

Abstract

The utility model relates to a puncture type pencil connection structure belongs to the field of connector, and it includes casing and depression bar, has seted up the multirow pinhole on the casing, all is equipped with the terminal in each pinhole, and the one end of terminal is worn out outside the casing and is seted up the needle groove that supplies the pencil embedding, and the depression bar passes through the connecting piece and fixes with the casing. This application has the effect that makes things convenient for pencil and terminal to be connected, save time.

Description

Puncture type wire harness connection structure

Technical Field

The present application relates to the field of connectors, and more particularly, to a puncture type wire harness connection structure.

Background

The electric connector is a component for signal transmission among circuits, assemblies and systems. When the connector is used, the wiring harness inner core and the terminal of the connector need to be connected to achieve conduction of the wiring harness inner core and the terminal, the conventional connection mode is usually spot welding, but the welding speed is low, the welding is unreliable, insufficient welding and false welding phenomena are prone to occurring, and the wiring harness and the terminal are inconvenient to connect.

SUMMERY OF THE UTILITY MODEL

In order to improve the inconvenient problem of pencil connection, this application provides a puncture-type pencil connection structure.

The application provides a puncture-type wire harness connection structure adopts following technical scheme:

the utility model provides a puncture type pencil connection structure, includes casing and depression bar, seted up the multirow pinhole on the casing, be equipped with the terminal in the pinhole, the one end of terminal is worn outside the casing and is seted up the needle groove that supplies the pencil embedding, the depression bar passes through the connecting piece and is fixed with the casing.

Through adopting above-mentioned technical scheme, during the installation, the operator puts the pencil tip between casing and depression bar, then holds the depression bar and makes it be close to the casing, and the pencil is impressed the needle groove by the depression bar, and the insulating layer of pencil and the inner core contact of pencil are punctured to the cell wall of needle groove, realize being connected of pencil and terminal, have saved required solder, equipment and the time of welding, convenient and fast.

Optionally, the terminal is provided with a taper angle at the needle slot notch.

By adopting the technical scheme, the cone angle plays a role in guiding the wire harness, so that the wire harness can stably fall into the needle groove, and the connection precision of the wire harness is improved.

Optionally, the connecting piece includes the inserted block, the inserted block is equipped with two and connects respectively at the both ends of depression bar, set up on the casing and supply two inserted block male slots.

Through adopting above-mentioned technical scheme, the inserted block joint has played the effect of fixing a position depression bar and casing relative position in the slot.

Optionally, a positioning block is arranged on the slot wall of the slot, and a positioning groove matched with the positioning block is formed in the insertion block.

Through adopting above-mentioned technical scheme, when the inserted block inserted in the slot, the locating piece was detained in the constant head tank to restrict the inserted block in the slot, reduced depression bar and casing and taken place relative displacement's possibility.

Optionally, an inclined first guide surface is arranged on the positioning block.

Through adopting above-mentioned technical scheme, the in-process of inserted block in inserting the slot, the inserted block is pasted first spigot surface and is removed, has played the guide effect to the inserted block, has reduced the possibility that inserted block and locating piece interfere.

Optionally, the two insertion blocks are provided with concave surfaces on the opposite sides.

By adopting the technical scheme, the concave surface enables the two insertion blocks to have a certain deviation space in the length direction of the shell, and the insertion matching of the insertion blocks and the insertion grooves is facilitated.

Optionally, one side of the pressure lever facing the shell is provided with a sinking groove corresponding to the terminal one to one.

Through adopting above-mentioned technical scheme, heavy inslot makes the terminal can insert heavy inslot, has guaranteed that the terminal passes the pencil, also provides certain space of stepping down for the pencil simultaneously.

Optionally, the pressing rod is provided with a plurality of rows of wire holes matched with the wire harness.

Through adopting above-mentioned technical scheme, the pencil card is in the wire hole for pencil and terminal align, do benefit to and improve terminal and pencil connection accuracy.

Optionally, the wire fixing rod is positioned on one side, deviating from the shell, of the pressing rod, clamping blocks are arranged at two ends of the wire fixing rod, a locking block is arranged at one end, far away from the wire fixing rod, of each clamping block, and an opening is formed in one end, close to the pressing rod, of the positioning groove.

Through adopting above-mentioned technical scheme, the operator walks around the depression bar with the pencil, then inserts the fixture block in the constant head tank and presses solidus pole for the locking piece is worn out the slot and is blocked the slot lower extreme, thereby fixes the depression bar, utilizes solidus pole and depression bar to carry the pencil, has reduced the pencil and has received the exogenic action and with terminal separation or cracked possibility.

Optionally, the end of the locking piece is provided with a chamfer.

Through adopting above-mentioned technical scheme, the chamfer provides the guide effect for the locking piece inserts in the slot.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the terminal is utilized to pierce the insulating layer of the wire harness to be in contact with the inner core of the wire harness, so that the connection between the wire harness and the terminal is realized, the welding flux, equipment and time required by welding are saved, and the method is convenient and quick;

2. the cone angle plays a role in guiding the wire harness, so that the wire harness can stably fall into the needle groove, and the connection precision of the wire harness is improved; the wire harness is clamped by the wire fixing rod and the pressure rod, so that the possibility that the wire harness is separated from the terminal or is broken under the action of external force is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying the housing, the pressure lever and the wire fixing lever according to the embodiment of the present application.

Fig. 3 is a schematic structural diagram for embodying the sink according to the embodiment of the present application.

Fig. 4 is a schematic structural diagram of a second embodiment of the present application.

Description of reference numerals: 1. a housing; 11. a pinhole; 12. a terminal; 13. a needle groove; 131. a cone angle; 14. a pressure lever; 141. sinking a groove; 142. a wire hole; 2. a connecting member; 21. inserting a block; 211. positioning a groove; 212. a concave surface; 22. a slot; 23. positioning blocks; 231. a first guide surface; 3. a wire fixing rod; 31. a clamping block; 311. a locking block; 32. chamfering; 4. an adjusting block; 41. an adjusting screw; 42. a limiting block; 43. a rubber cushion.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Example 1

The embodiment of the application discloses puncture type wiring harness connection structure. As shown in fig. 1 and 2, puncture type wire harness connection structure includes a housing 1, a pressure bar 14 and a wire fixing rod 3, two rows of pinholes 11 parallel to each other are provided on the housing 1, the number of each row of pinholes 11 is 32, each row of pinholes 11 is equally divided into a first pinhole domain and a second pinhole domain, the number of pinholes 11 corresponding to the first pinhole domain is 22, and each pinhole 11 is provided with a terminal 12 at an interval, the number of pinholes 11 corresponding to the second pinhole domain is 10, and each pinhole 11 is internally provided with a terminal 12, and the terminals 12 of the two rows of pinholes 11 are in one-to-one correspondence.

Each terminal 12 is worn out outside the housing 1, and the one end of wearing out has all seted up the needle groove 13 that runs through, and the needle groove 13 extends along terminal 12 length direction and cuts apart into two parts with the terminal 12 one end of wearing out outside the housing 1, and two parts tip that terminal 12 was cut apart simultaneously all are equipped with cone angle 131 in needle groove 13 notch department, and two cone angles 131 distribute relatively and the interval that two cone angles 131 kept away from one end of housing 1 is greater than needle groove 13 groove width, and the combination of needle groove 13 and cone angle 131 makes the whole Y-shaped that is of needle groove 13.

As shown in fig. 3, the pressing rod 14 and the terminal 12 are distributed opposite to each other, a plurality of wire holes 142 are formed in the wire holes 142, the plurality of wire holes 142 are divided into three parallel rows and are arranged at intervals with the two rows of the heavy grooves 141, one side of the pressing rod 14 facing the terminal 12 is provided with a heavy groove 141 and a wire hole 142, the heavy grooves 141 correspond to the terminals 12 one by one, the wire hole 142 is arc-shaped and is matched with the outer contour of the wire harness.

As shown in fig. 2, the pressing rod 14 is fixed with the casing 1 through the connecting piece 2, the connecting piece 2 includes two insert blocks 21, two insert blocks 21 are perpendicularly connected on the pressing rod 14 and respectively correspond to two ends of the pressing rod 14, positioning grooves 211 have been all opened on two side walls of the insert blocks 21, the positioning grooves 211 perpendicularly run through the insert blocks 21, openings are formed in one ends, close to the pressing rod 14, of the positioning grooves 211, concave surfaces 212 are formed in one ends, far away from the pressing rod 14, of two opposite sides of the insert blocks 21, and the wall thickness of the insert blocks 21 at the concave surfaces 212 is smaller than that of other parts. The slot 22 that runs through is all seted up at casing 1 along length direction's both ends, slot 22 and inserted block 21 one-to-one, and two slot 22 cell walls all are equipped with locating piece 23, all are equipped with the first spigot surface 231 of slope on two locating pieces 23, and the interval that two first spigot surfaces 231 are close to terminal 12 and wear out the outer one end of casing 1 is less than the interval at its other both ends.

The wire fixing rod 3 is located on one side, away from the shell 1, of the pressing rod 14, the two ends of the wire fixing rod 3 are perpendicularly provided with the clamping blocks 31, the clamping blocks 31 are in inserting fit with the positioning grooves 211, the locking blocks 311 are arranged at the ends, away from the wire fixing rod 3, of the two clamping blocks 31, and the chamfer 32 is arranged at the end, away from the clamping blocks 31, of the locking blocks 311.

The implementation principle of the embodiment of the application is as follows: an operator firstly enables the pressure lever 14 to correspond to one side of the terminal 12 penetrating through the shell 1, then inserts the two insertion blocks 21 into the insertion groove 22 and enables the pressure lever 14 and the end portion of the terminal 12 to leave a gap, the wire harness is placed between the pressure lever 14 and the terminal 12, the wire harness is adjusted to correspond to the needle groove 13 of the terminal 12 and is clamped into the wire hole 142, the pressure lever 14 is pressed to be close to the shell 1, the pressure lever 14 pushes the wire harness to be embedded into the two taper angles 131 of the terminal 12, the edge of the needle groove 13 of the terminal 12 punctures an insulating layer of the wire harness along with the continuous pressure application of the operator, the terminal 12 is inserted into the sunken groove 141, and a core of the wire harness is clamped into the needle groove 13, so that the connection of the wire harness and the terminal 12 is achieved.

In the process of connecting the terminal 12 with the wiring harness, the insertion block 21 moves along the first guide surface 231 of the positioning block 23, the insertion block 21 gradually moves towards the direction away from the positioning block 23 under the thrust action of the first guide surface 231, when the positioning groove 211 moves to the position right opposite to the positioning block 23, the insertion block 21 resets, the positioning block 23 is buckled in the positioning groove 211 to limit the movement of the insertion block 21, so that the press rod 14 is fixed with the housing 1, and at the moment, the press rod 14 abuts against the housing 1.

The depression bar 14 is walked around with the pencil to the operator after the pencil is connected, insert the locking piece 311 at 3 both ends of solidus pole from the opening of constant head tank 211, press solidus pole 3 and be close to depression bar 14, locking piece 311 removes through constant head tank 211 and inserts in the slot 22, the operator continues to press solidus pole 3, locking piece 311 wears out slot 22 and blocks under slot 22, it fixes solidus pole 3, solidus pole 3 fixes the pencil between it and depression bar 14, when the pencil receives the pulling force effect, because pencil and solidus pole 3 relatively fixed, make pencil and terminal 12 junction remain stable.

Compared with welding connection, the puncture-type connecting structure does not need welding flux, welding equipment and welding time, connection and fixation of the wire harness can be achieved when the shell 1 and the pressure rod 14 are assembled, and the connection and the fixation are convenient and fast.

Example 2

Referring to fig. 4, this embodiment is different from embodiment 1 in that adjusting blocks 4 are disposed at two ends of a housing 1, adjusting screws 41 are disposed on the adjusting blocks 4 in a penetrating manner and are in threaded connection with the adjusting blocks 4, the adjusting screws 41 are perpendicular to the length direction of the housing 1, limiting blocks 42 are disposed at two ends of a pressing rod 14, the limiting blocks 42 correspond to the adjusting screws 41 one by one, and rubber pads 43 are disposed at ends of the limiting blocks 42 facing the adjusting screws 41.

When the pressure lever 14 is fixed with the shell 1, the rubber pad 43 is abutted against the end of the adjusting screw 41, and an operator can control the distance between the pressure lever 14 and the shell 1 by screwing the adjusting screw 41 to adjust the length of the adjusting screw extending out of the adjusting block 4, so that the relative position of the terminal 12 and the wiring harness is adjusted, the possibility that the wiring harness is cut off by the terminal 12 is reduced, and meanwhile, the rubber pad 43 also plays a role in buffering, and a certain fine adjustment distance is reserved between the pressure lever 14 and the shell 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A puncture-type wire harness connection structure is characterized in that: including casing (1) and depression bar (14), multirow pinhole (11) have been seted up on casing (1), be equipped with terminal (12) in pinhole (11), the one end of terminal (12) is worn out casing (1) and is offered needle groove (13) that supply the pencil embedding, depression bar (14) are fixed with casing (1) through connecting piece (2).

2. The puncture-type wire harness connection structure according to claim 1, wherein: the terminal (12) is provided with a taper angle (131) at the notch of the needle groove (13).

3. The puncture-type wire harness connection structure according to claim 1, wherein: the connecting piece (2) comprises two inserting blocks (21), the two inserting blocks (21) are respectively connected to two ends of the pressing rod (14), and inserting grooves (22) for inserting the two inserting blocks (21) are formed in the shell (1).

4. The puncture-type wire harness connection structure according to claim 3, wherein: the slot wall of the slot (22) is provided with a positioning block (23), and the slot (21) is provided with a positioning groove (211) matched with the positioning block (23).

5. The puncture-type wire harness connection structure according to claim 4, wherein: the positioning block (23) is provided with an inclined first guide surface (231).

6. The puncture-type wire harness connection structure according to claim 3, wherein: concave surfaces (212) are arranged on the opposite sides of the two insertion blocks (21).

7. The puncture-type wire harness connection structure according to claim 1, wherein: one side of the pressure lever (14) facing the shell (1) is provided with a sunk groove (141) corresponding to the terminal (12) one by one.

8. The puncture-type wire harness connection structure according to claim 1 or 7, wherein: the pressure lever (14) is provided with a plurality of rows of wire holes (142) matched with the wire harness.

9. The puncture-type wire harness connection structure according to claim 4, wherein: still include solidus pole (3), solidus pole (3) are located depression bar (14) and deviate from one side of casing (1), the both ends of solidus pole (3) all are equipped with fixture block (31), the one end that solidus pole (3) were kept away from in fixture block (31) is equipped with locking piece (311), the one end that constant head tank (211) are close to depression bar (14) is equipped with the opening.

10. The puncture-type wire harness connection structure according to claim 9, wherein: the end part of the locking block (311) is provided with a chamfer (32).