CN219123593U - Connector for quick plugging of wire harness - Google Patents

Abstract

The utility model belongs to the technical field of electric accessories, and particularly discloses a connector for quickly plugging and unplugging a wire harness, which comprises a rear rubber core, a front rubber core and a rear rubber core, wherein the rear rubber core comprises a needle terminal, and a lower cylinder is internally provided with a sealing gasket which is matched with the front rubber core and a plurality of guide grooves which are arranged on the sealing gasket; the rear rubber core and the front rubber core move downwards along the shell until the bottom of the boss is embedded into the limit groove; the needle terminal passes through the guide groove and is fixed in the cavity of the upper column body; the lock nut is in threaded connection with the top port of the shell, the lock wire rubber cushion is provided with a plurality of threading grooves for fixing the wire harness, the wire harness is inserted into the bottom port of the rubber core, the tail guard wraps the lock wire rubber cushion to fix the lock wire rubber cushion at the bottom of the shell, and the lock wire rubber cushion is fixed at the bottom port of the shell through the nut of the rear shell, so that the whole connector forms a whole, the lock wire rubber cushion is easier to insert in place during matching, the fault tolerance rate is high, once the matching error occurs, the whole structure can be quickly detached, the assembly is re-formed, and the structure is stable; the connection mode is more flexible.

Description

Connector for quick plugging of wire harness

Technical Field

The utility model relates to the technical field of electrical accessories, in particular to a connector for quickly plugging and unplugging a wire harness.

Background

Connectors are mainly used for electrical connection and signal transmission between devices, assemblies and systems, and are necessary basic elements for forming a complete system. Circular connectors are a type of connector with a cylindrical basic structure and a circular plugging surface, and are used for interconnection of equipment, and generally comprise a male connecting seat, a female connecting seat and connecting terminals arranged inside the connecting seats, so that quick connection and disconnection are realized by adopting the circular connector, and a metal shielding layer which is in butt joint with a shielding braid layer outside a shielding wire harness is required to be arranged on the circular connector for keeping the shielding performance of the joint position of the shielding wire harness.

Such as patent application number: CN201820854098.0 discloses a field quick-mounting circular connector, which is mainly used for electric connection in rail transit, and is easier to insert in place during timing based on the existing circular connector, has high fault tolerance, can quickly split the whole structure once pairing errors occur, and is reassembled and formed, and has stable structure; the connection mode is more flexible.

It still has the following problems:

1. the wire harness is directly inserted into the bottom of the rubber core, namely the wiring of the default wire harness is not required, but the wire harness is also applicable to the electrical components of the wire harness, but each wiring terminal of the wire harness is different, and the wire harness needs to be connected into a corresponding jack, so that the wiring terminal requirements are different;

2. in order to ensure the installation stability, the installation nuts of various types are matched for use, so that the purpose of fixing is achieved; because the nut is misplaced when the nut is installed in different types, the nut is reworked again, which is troublesome;

3. in addition, the application discloses two grounding plates which are communicated with the wire harness shielding, so that the grounding shielding effect is achieved, the situation that the shell is electrified when the electric device is damaged in insulation can be prevented, and the danger of electric shock is caused when the shell is touched by a person; this design ensures the safety of the round connector but does not take into account signal interference problems between the pin terminals.

Disclosure of Invention

The utility model aims to provide a connector for quickly plugging and unplugging a wire harness, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a connector for quickly plugging and unplugging a wire harness comprises a rear rubber core, a front rubber core for fixing the rear rubber core, a tail protector and a shell,

the rear rubber core comprises a pin terminal, and the pin terminal is matched and fixedly inserted into a rubber core hole through a terminal clamp spring;

the front rubber core comprises an upper column body and a lower column body, wherein a sealing gasket and a plurality of guide grooves are arranged in the lower column body, and the sealing gasket and the guide grooves are matched with each other;

the periphery of the rear rubber core is provided with a boss, the top of the boss is inserted into a groove on the front rubber core, and the rear rubber core and the front rubber core move downwards along the shell until the bottom of the boss is embedded into the limit groove; the needle terminal passes through the guide groove and is fixed in the cavity of the upper column body; the front rubber core is arranged in the front lock nut and is connected with the top port of the shell through the lock nut,

be provided with the threading groove of a plurality of fixed pencil on the lock wire cushion to insert back rubber core bottom port department with the pencil, the tail is protected parcel lock wire cushion and is fixed its bottom the shell, and fixes at the shell bottom port through back shell nut, makes whole connector form a whole.

Preferably, the upper cylinder is smaller than the lower cylinder in circumference diameter, the outer side of the circumference of the upper cylinder is coated with a shielding layer containing a shielding belt, and the shell compresses the upper cylinder through the shielding layer, so that the front rubber core and the rear rubber core are tightly matched.

Preferably, the connector further comprises a grounding sheet, the grounding sheet is in interference fit with a grounding clamping groove on the periphery of the tail guard through a clamping block, the inner side of the grounding sheet is in contact with the wire harness, and the inner side wall of the grounding sheet extrudes the lock wire rubber pad.

Preferably, the peripheral side of the tail guard further comprises a protrusion, the protrusion is clamped at the bottom of the limiting groove, limiting treatment between the tail guard and the shell is guaranteed, and the anti-rotation function is achieved.

Preferably, the shielding layer is arranged in the shell, and the rear rubber core is tightly pressed through the shielding layer, so that the front rubber core and the rear rubber core are tightly matched.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is mainly used for electrical connection of wire harnesses, is easier to insert in place during matching on the basis of the existing circular connector, has high fault tolerance, can quickly split the whole structure once pairing errors occur, and is assembled and molded again, thus having stable structure; the connection mode is more flexible.

2. The whole assembly environment is good in air tightness and is connected in a threaded locking mode, so that the whole assembly environment is firmer, high in working stability, excellent in sealing performance and compression resistance and suitable for relatively severe working environments such as coal mines and floods.

3. The structure of the circular connector is simplified, the circular connector is easier to manufacture and install, if a problem is encountered, damaged parts are replaced more quickly after disassembly and assembly inspection, and the economical effect is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a connector according to the present utility model;

FIG. 2 is an exploded view of the overall structure of the connector of the present utility model;

FIG. 3 is an exploded view of the front and rear cores and the harness connection structure of the present utility model;

FIG. 4 is a side view of the connection between the front and rear cores and the wire harness of the present utility model;

in the figure: 1. a rear rubber core; 101. a rubber core hole; 102. terminal clamp springs; 103. a boss; 104. a needle terminal; 2. a front rubber core; 201. an upper column; 202. a lower column; 203. a slot; 204. a guide groove; 205. a sealing gasket; 3. a lock nut; 4. a housing; 401. a limit groove; 5. tail protection; 501. a grounding clamping groove; 502. a protrusion; 6. a rear housing nut; 7. a wire harness; 8. a locking wire rubber cushion; 801. a wire penetrating groove; 9. and a grounding plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the present utility model will be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1-4, the present utility model provides a technical solution: a connector for quickly plugging and unplugging a wire harness comprises a rear rubber core 1, a front rubber core 2 for fixing the rear rubber core 1, a tail protector 5 and a shell 4,

the rear rubber core 1 comprises a pin terminal 104, and the pin terminal 104 is matched and fixedly inserted into a rubber core hole 101 through a terminal clamp spring 102; the rear rubber core 1 is provided with a rubber core hole 101 for fixing the needle terminal 104 and a terminal clamp spring 102; the needle terminal 104 is fixed on the rubber core hole 101 through the terminal clamp spring 102, so that the needle terminal is uniformly distributed on the rear rubber core 1, and the bottom of the rear rubber core 1 is fixedly connected with the wire harness 7 through the wire fixing plate 105; the wire harness 7 is connected through electronic components in the rear rubber core 1, the top of the needle terminal 104 is an external connection end, and the needle terminal 104 can be directly inserted into a corresponding socket for connecting an external wiring;

the front rubber core 2 comprises an upper cylinder 201 and a lower cylinder 202, wherein an adaptive sealing gasket 205 and a plurality of guide grooves 204 arranged on the sealing gasket 205 are arranged in the lower cylinder 202; the middle of the front rubber core 2 is provided with a sealing gasket 205, and the periphery of the terminal hole of the guide groove 204 is provided with an insulating layer for insulation; then the needle terminal 104 in the guide groove 204 is wrapped by the self elasticity of the sealing gasket 205, so that the effect of edge sealing is achieved;

a boss 103 is arranged at the periphery of the rear rubber core 1, the top of the boss 103 is inserted into a groove 203 on the front rubber core 2, and the rear rubber core 1 and the front rubber core 2 move downwards along the shell 4 until the bottom of the boss 103 is embedded into a limit groove 401; the needle terminal 104 is fixed in the cavity of the upper cylinder 201 through the guide groove 204; the front rubber core 2 is arranged in the front lock nut 3 and is connected with the top port of the shell 4 through the lock nut 3,

be provided with the threading groove 801 of a plurality of fixed pencil 7 on the lock wire cushion 8 to insert back rubber core 1 bottom port department with pencil 7, tail protection 5 parcel lock wire cushion 8 is fixed it in the shell bottom, and fixes at shell 4 bottom port through back shell nut 6, makes whole connector form a whole, guarantees simultaneously that whole connector connection port department all forms a seal space.

The diameter of the circumference of the upper cylinder 201 is smaller than that of the lower cylinder 202, the outside of the circumference of the upper cylinder 201 is coated with a shielding layer containing a shielding belt, and the shell 4 presses the upper cylinder 201 through the shielding layer, so that the front rubber core 2 and the rear rubber core 1 are tightly matched.

Here, the upper column 201 and the lower column 202 are integrally formed, but the diameter of the circumference of the upper column 201 is smaller than that of the circumference of the lower column 202, so that the connection part of the upper column 201 and the lower column 202 is stepped, a shielding layer can be placed, the shielding layer can be prevented from sliding down, the shielding layer can be guided into the shell 4, the purposes of extrusion fastening and sealing can be achieved, and when the lock nut 3 is used, the front rubber core 2 can be prevented from moving, and the stability of the front rubber core is guaranteed.

The connector further comprises a grounding sheet 9, wherein the grounding sheet 9 is in interference fit with a grounding clamping groove 501 on the periphery of the tail guard 5 through a clamping block, the inner side of the grounding sheet 9 is in contact with the wire harness 7, and the inner side wall of the grounding sheet 9 presses the wire locking rubber pad 8.

Here, the ground sheet 9 is in shielding communication with the wire harness 7; the wire harness 7 is used for adjusting the position of the wire harness 7 through the wire locking rubber pad 8, so that the straightened wire harness 7 is inserted into the bottom connecting end of the rubber core hole 101 of the rubber core 1;

the periphery side of the tail guard 5 also comprises a bulge 502, the bulge 502 is clamped at the bottom of the limiting groove 401, limiting treatment between the tail guard 5 and the shell 4 is guaranteed, and the anti-rotation function is achieved.

The protrusion 502 is fixedly connected with the limit groove 401 on the shell 4 in a fastening mode, the locking wire rubber cushion 8, the tail guard 5 and the shell 4 are connected in a fastening mode and are matched with each other, when the rear shell nut 6 is locked, the protrusion 502 can shrink and fasten the wire bundle 7 towards the center, and the wire bundle 7 is not affected by rotation in the whole rotation process and cannot cause wire twisting;

the shielding layer is arranged in the shell 4, and the rear rubber core 1 is tightly pressed by the shielding layer, so that the front rubber core 2 and the rear rubber core 1 are tightly matched.

The shell 4 is matched with the limit groove 401 through the boss 103 to fix the rear rubber core 1, so that the front rubber core 2 and the rear rubber core 1 are tightly matched; when the shell 4 is matched and twisted tightly, the lock wire rubber pad 8 just supports the edge of the bottom of the front rubber core 1 and the bottom of the rear rubber core, so that the fixation is enhanced, the needle terminal 104 is guaranteed not to be loosened, and the inserted end is matched well.

Working principle:

the external end of the pin terminal 104 is a male end, and is a terminal with a riveting structure, so that a customer can easily press and insert the shell on site, the rear rubber core 1 is provided with an assembling and disassembling hand pinching position, and the clamp can be easily assembled through the boss 103 to replace a screw type press-connected plug, and the breakage of a wire copper wire is avoided.

Firstly, fixing a needle terminal 104 which needs to be installed on a rubber core hole 101 through a terminal clamp spring 102, then, aligning the needle terminal 104 with a guide groove 204 at the bottom of a front rubber core 2, moving a boss 103 on a rear rubber core 1 along a groove position 203 until the needle terminal is fixed in a certain manner, completely immersing the bottom of the needle terminal 104 into the guide groove 204 at the moment, and sealing and fixing the needle terminal 104 through a sealing gasket 205 to play a role in preventing water and dust; the upper column 201 is an open cavity, the height of which is slightly higher than the exposed part of the needle terminal 104, so that the needle terminal 104 can be protected;

the wire harness 7 to be installed sequentially passes through the rear shell nut 6, the tail guard 5 and the lock wire rubber pad 8 at the bottom of the shell 4 to be inserted into the rear rubber core 1; then the fixed rear rubber core 1 and the front rubber core 2 extend into the shell 4 until the hook at the bottom of the boss 103 is clamped in the limit groove 401 on the shell 4, then the locking wire rubber pad 8 is used for moving upwards, the wire harness 7 is jacked into the rear rubber core 1, the position of the wire harness 7 is regulated, and accordingly the straightened wire harness 7 is inserted into the connecting end at the bottom of the rubber core hole 101 of the rear rubber core 1; then the bulge 502 on the tail guard 5 is inserted along the limit groove 401, so that the anti-rotation effect is achieved, the wire harness 7 is further protected, and the service life is prolonged; when the tail guard 5 is sleeved at the bottom of the shell 4, the bottom of the shell 4 is locked through the shell nut 6, so that the aim of quick installation is fulfilled.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a connector of pencil quick plug, glues preceding gum core (2), tail protection (5) and shell (4) of core (1) after including back gum core (1) and fixed, its characterized in that:

the rear rubber core (1) comprises a needle terminal (104) and a rubber core hole (101) for fixedly inserting the needle terminal (104) in a matched mode through a terminal clamp spring (102);

the front rubber core (2) comprises an upper column body (201) and a lower column body (202), wherein a sealing gasket (205) which is matched with the lower column body (202) and a plurality of guide grooves (204) which are arranged on the sealing gasket (205) are arranged in the lower column body;

a boss (103) is arranged on the periphery of the rear rubber core (1), the top of the boss (103) is inserted into a groove (203) on the front rubber core (2), and the rear rubber core (1) and the front rubber core (2) move downwards along the shell (4) until the bottom of the boss (103) is embedded into a limiting groove (401); the needle terminal (104) passes through the guide groove (204) and is fixed in the cavity of the upper column body (201); the front rubber core (2) is arranged in the lock nut (3) and is connected with the top port of the shell (4) through the lock nut (3) in a threaded way,

be provided with threading groove (801) of a plurality of fixed pencil (7) on locking wire cushion (8) to insert back rubber core (1) bottom port department with pencil (7), tail protection (5) parcel locking wire cushion (8) are fixed it is in shell bottom, and fix through back shell nut (6) shell (4) bottom port makes whole connector form a whole.

2. The quick connect disconnect connector of claim 1, wherein: the upper cylinder (201) is smaller than the lower cylinder (202) in circumference diameter, the circumference outer side of the upper cylinder (201) is coated on a shielding layer containing a shielding belt, and the shell (4) tightly presses the upper cylinder (201) through the shielding layer, so that the front rubber core (2) and the rear rubber core (1) are tightly matched.

3. The quick connect disconnect connector of claim 1, wherein: the connector further comprises a grounding sheet (9), wherein the grounding sheet (9) is in interference fit with a grounding clamping groove (501) on the periphery of the tail guard (5) through a clamping block, the inner side of the grounding sheet (9) is in contact with a wire harness, and the inner side wall of the grounding sheet (9) extrudes a locking wire rubber pad (8).

4. The quick connect disconnect connector of claim 1, wherein: the periphery side of the tail guard (5) further comprises a protrusion (502), the protrusion (502) is clamped at the bottom of the limiting groove (401), limiting treatment between the tail guard (5) and the shell (4) is guaranteed, and the anti-rotation function is achieved.

5. The quick connect disconnect connector of claim 4, wherein: the shielding layer is arranged inside the shell (4), and the rear rubber core (1) is tightly pressed through the shielding layer, so that the front rubber core (2) and the rear rubber core (1) are tightly matched.

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