CN216312212U

CN216312212U - Plug-in terminal and binding post of plug self-locking connector

Info

Publication number: CN216312212U
Application number: CN202121864068.6U
Authority: CN
Inventors: 易志强
Original assignee: Tongtian Electronic Technology Dongguan Co ltd
Current assignee: Tongtian Electronic Technology Dongguan Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-04-15
Anticipated expiration: 2031-08-10

Abstract

The utility model provides an inserting terminal and a wiring terminal of a plug self-locking connector, wherein the inserting terminal comprises a first shell and a first connecting piece arranged in the first shell, a plurality of first needle cores are arranged on the first connecting piece, a plurality of through grooves are formed in the side wall of the connecting end of the first shell, a ball is arranged in each through groove, and the diameter of each ball is larger than the wall thickness of the connecting end. When the connector is used, the connecting end of the inserted terminal is connected with the wiring terminal in an inserting mode, part of structure of the ball is clamped into the groove of the wiring terminal, and the inner side wall of the clamping sleeve of the wiring terminal supports against the ball, so that the purpose of stable connection is achieved.

Description

Plug-in terminal and binding post of plug self-locking connector

Technical Field

The utility model belongs to the technical field of connectors, and particularly relates to an inserting terminal and a wiring terminal of a plug-in self-locking connector.

Background

The connector is widely applied to various electric lines and plays a role in connecting or disconnecting a circuit; the connector on the market at present usually sets up the whorl on inserting the terminal, set up the nut on the binding post, after connecting, connect with the nut whorl with the whorl, or use the elastic hook ear to connect with the way of the step is buckled each other, in order to make binding post and inserting the post to connect and fix; the connector adopting the connection mode is not only troublesome to use, but also can be loosened and even fall off seriously under high frequency or strong vibration, so that signal contact failure and even signal fracture are caused.

In summary, there is a need in the market for a plug-in terminal and a connecting terminal of a pluggable self-locking connector that can solve one or more of the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above problems, the present invention provides an insert terminal and a terminal block of a plug-in self-locking connector, so as to solve the defects existing in the prior art.

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

the utility model provides an insertion terminal of a plug self-locking connector, which comprises a first shell and a first connecting piece arranged in the first shell, wherein a plurality of first needle cores are arranged on the first connecting piece, a plurality of through grooves are formed in the side wall of a connecting end of the first shell, a ball is arranged in each through groove, and the diameter of each ball is larger than the wall thickness of the connecting end.

For the improvement of the utility model, the openings at the two ends of the through groove are smaller than the diameter of the ball.

For the improvement of the utility model, a first sealing ring is arranged in the connecting end.

For improvement of the utility model, a second sealing ring and a compression nut are sleeved on the connecting end.

For the improvement of the utility model, the outer wall of the connecting end is provided with a first mark point.

The utility model provides a connecting terminal of a plug self-locking connector, which comprises an inner shell, a second outer shell, an elastic part, a clamping sleeve and a second connecting piece, wherein a first annular bulge is arranged on the outer wall of the inner shell, a second annular bulge is arranged on the outer side wall of the clamping sleeve, a first hooking lug and a second hooking lug are arranged on the inner side wall of the second outer shell, the elastic part is sleeved on the outer wall of the inner shell, the lower end of the elastic part is abutted against the first annular bulge, the clamping sleeve is sleeved on the outer wall of the inner shell, the lower end of the clamping sleeve is abutted against the upper end of the elastic part, the second outer shell is sleeved on the inner shell and the clamping sleeve, the first hooking lug is matched with the first annular bulge, and the second hooking lug is matched with the second annular bulge; the plug-in terminal of the plug-in self-locking connector according to any one of the embodiments is further included; a second needle core matched with the first needle core is arranged on the second connecting piece; a groove is formed in the outer side wall of the second connecting piece; when the insert terminal is matched and connected with the wiring terminal, the part of the ball in the wiring terminal, which protrudes out of the surface of the inner side wall of the connecting end, is clamped in the groove, and the inner side wall of the clamping sleeve props against the part of the ball, which protrudes out of the surface of the outer side wall of the connecting end.

For the improvement of the utility model, a second mark point is arranged on the inner shell.

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

Drawings

Fig. 1 is a schematic sectional view showing one direction of the insertion terminal of the present invention.

Fig. 2 is an exploded view of the insertion terminal of the present invention in one direction.

Fig. 3 is a perspective view showing one direction of inserting the terminal according to the present invention.

Fig. 4 is an exploded sectional view showing one direction of the insert terminal and the connection terminal of the present invention.

Fig. 5 is a schematic sectional view showing one direction of the insertion terminal and the connection terminal in the present invention.

Fig. 6 is a schematic view showing a connection relationship between the insert terminal and the connection terminal in one direction in the present invention.

Fig. 7 is a structural view showing one direction of the connection terminal of the present invention.

Fig. 8 is a schematic sectional view showing one direction of the terminal of the present invention.

Fig. 9 is an exploded view of the terminal of the present invention in one orientation.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or assembly referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to fig. 3, a first aspect of the present invention provides an insert terminal of a plug-in self-locking connector, where the insert terminal 100 includes a first housing 110 and a first connecting piece 120 disposed in the first housing 110, the first connecting piece 120 is provided with a plurality of first pins 130, a plurality of through grooves 112 are disposed on a side wall of a connecting end 111 of the first housing 110, a ball 113 is disposed in the through groove 112, and a diameter of the ball 113 is greater than a wall thickness of the connecting end 111.

It should be noted that the ball 113 is freely movable in the through slot 112, when in connection, the part of the ball 113 protruding the side wall of the connection end 111 is clamped into the groove 251 on the connection terminal 200, and simultaneously the inner side wall of the ferrule 240 of the connection terminal 200 abuts against the ball 113, so that part of the structure of the ball 113 is always located in the groove 251, thereby achieving the purpose of stable connection, and even if the high-frequency high-strength vibration is adopted, the vibration cannot be loosened.

When the insert terminal 100 is separated from the connection terminal 200, in order to prevent the ball 113 from falling out of the through groove 112, openings at both ends of the through groove 112 are smaller than the diameter of the ball 113; the balls 113 are movable in the through grooves 112 but cannot be separated from the through grooves 112, and particularly, may be spot-welded at openings at both ends of the through grooves 112.

In some embodiments, a first sealing ring 114 is disposed within the connecting end 111; the first sealing ring 114 is used for sealing the inside of the connector to prevent water, dust, moist air and the like from entering the inside of the connector, and specifically, the first sealing ring 114 needs to be matched with the connecting terminal 200 in the utility model to achieve the sealing effect;

specifically, an annular concave portion is formed in the connection end 111, the first sealing ring 114 is clamped in the annular concave portion, when the insert terminal 100 is connected to the connection terminal 200, the clamping sleeve 240 of the connection terminal 200 passes through the first sealing ring 114, and the outer side wall of the clamping sleeve 240 and the annular concave portion extrude the first sealing ring 114, so that the effect of sealing the inside of the connector is achieved.

In some embodiments, a second gasket 115 and a compression nut 116 are sleeved on the connecting end 111.

It is understood that the plurality of first mandrels 130 on the first connecting member 120 are arranged in an orientation, and for the convenience of viewing, the outer wall of the connecting end 111 is provided with a first mark point; meanwhile, a second mark point can be arranged on the wiring terminal 200, so that errors can be avoided when the plug-in terminal 100 is connected with the wiring terminal 200, and the damage of a needle core is avoided.

As shown in fig. 4 to 9, a second aspect of the present invention provides a terminal 200 for a plug-in self-locking connector, the terminal 200 includes an inner housing 210, a second outer housing 220, a resilient member 230, a ferrule 240 and a second connector 250, a first annular bulge 211 is arranged on the outer wall of the inner shell 210, a second annular bulge 241 is arranged on the outer side wall of the clamping sleeve 240, a first hooking lug 221 and a second hooking lug 222 are arranged on the inner side wall of the second outer shell 220, the elastic member 230 is sleeved on the outer wall of the inner shell 210, and the lower end is abutted against the first annular protrusion 211, the cutting sleeve 240 is sleeved on the outer wall of the inner shell 210, and the lower end is abutted against the upper end of the elastic member 230, the second outer shell 220 is sleeved on the inner shell 210 and the cutting sleeve 240, the first hooking lug 221 is matched with the first annular bulge 211, and the second hooking lug 222 is matched with the second annular bulge 241; further comprising a plug-in terminal 100 of the plug-in self-locking connector according to any one of the above embodiments; the second connector 250 is provided with a second needle core 260 matched with the first needle core 130; a groove 251 is arranged on the outer side wall of the second connecting piece 250; when the insert terminal 100 is connected to the connection terminal 200 in a mating manner, the portion of the ball 113 protruding from the inner sidewall surface of the connection end 111 in the connection terminal 200 is clamped into the groove 251, and the inner sidewall of the ferrule 240 abuts against the portion of the ball 113 protruding from the outer sidewall surface of the connection end 111.

When in connection, the end face of the connection end 111 presses down the second connection member 250, while compressing the elastic member 230, the second housing 220 moves downward, the ferrule 240 also moves downward under the action of the first hooking lug 221, after pressing down to a predetermined length, the level of the upper end face of the ferrule 240 is lower than that of the groove 251, at this time, the part of the ball 113 protruding out of the inner side wall surface of the connection end 111 can be clamped into the groove 251, after the part of the ball 113 protruding out of the inner side wall surface of the connection end 111 is clamped into the groove 251, the ferrule 240 resets under the action of the tension of the elastic member 230, and simultaneously drives the second housing 220 to reset; the distance between the inner side wall of the ferrule 240 and the connecting end 111 is smaller than the depth of the groove 251, so that a part of the ball 113 is always positioned in the groove 251;

it is understood that, when connected, downward pressure may also be applied directly to the second housing 220 to facilitate connection.

It will be appreciated that when downward pressure is applied to the second housing 220 during separation, separation is facilitated when the level of the upper end surface of the ferrule 240 is below the level of the recess 251.

In some embodiments, a second marking point corresponding to the first marking point is disposed on the inner shell 210; the insertion terminal 100 and the connection terminal 200 are connected without error, and the plunger is prevented from being damaged by collision.

In summary, the insert terminal and the connection terminal of the pluggable self-locking connector provided by the present invention, wherein the insert terminal 100 includes a first housing 110, a plurality of through slots 112 are disposed on a side wall of a connection end 111 of the first housing 110, a ball 113 is disposed in the through slot 112, and a diameter of the ball 113 is greater than a wall thickness of the connection end 111; the connecting terminal 200 comprises an inner shell 210, a second outer shell 220, an elastic piece 230, a clamping sleeve 240 and a second connecting piece 250, wherein a groove 251 is arranged on the second connecting piece 250; the utility model can prevent the connector from falling off in the working environment with high frequency and high intensity vibration by matching the ball 113 with the groove 251, and has the advantages of simple structure, stable signal transmission and the like.

It should be understood that the technical solutions and the inventive concepts according to the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the appended claims.

Claims

1. An insert terminal for plugging and unplugging a self-locking connector, the insert terminal (100) comprising a first housing (110) and a first connector (120) arranged in the first housing (110), the first connector (120) being provided with a plurality of first pins (130), characterized in that: the side wall of the connecting end (111) of the first shell (110) is provided with a plurality of through grooves (112), a ball (113) is arranged in each through groove (112), and the diameter of each ball (113) is larger than the wall thickness of the connecting end (111).

2. The insert terminal of claim 1, wherein: the openings at the two ends of the through groove (112) are smaller than the diameter of the ball (113).

3. The insert terminal of claim 1, wherein: a first sealing ring (114) is arranged in the connecting end (111).

4. The insert terminal of claim 1, wherein: and a second sealing ring (115) and a compression nut (116) are sleeved on the connecting end (111).

5. The insert terminal of claim 1, wherein: and a first mark point is arranged on the outer wall of the connecting end (111).

6. The utility model provides a binding post of plug self-locking connector which characterized in that: the wiring terminal (200) comprises an inner shell (210), a second outer shell (220), an elastic piece (230), a clamping sleeve (240) and a second connecting piece (250), wherein a first annular bulge (211) is arranged on the outer wall of the inner shell (210), a second annular bulge (241) is arranged on the outer side wall of the clamping sleeve (240), a first hook lug (221) and a second hook lug (222) are arranged on the inner side wall of the second outer shell (220), the elastic piece (230) is sleeved on the outer wall of the inner shell (210), the lower end of the elastic piece is abutted against the first annular bulge (211), the clamping sleeve (240) is sleeved on the outer wall of the inner shell (210), the lower end of the clamping sleeve is abutted against the upper end of the elastic piece (230), the second outer shell (220) is sleeved on the inner shell (210) and the clamping sleeve (240), and the first hook lug (221) is matched with the first annular bulge (211), the second lug (222) is matched with the second annular bulge (241); further comprising a plug-in terminal (100) of the plug self-locking connector according to any one of claims 1 to 5; a second needle core (260) matched with the first needle core is arranged on the second connecting piece (250); a groove (251) is arranged on the outer side wall of the second connecting piece (250); when the plug-in terminal (100) is matched and connected with the wiring terminal (200), the part of the ball (113) in the wiring terminal (200) protruding out of the surface of the inner side wall of the connecting end (111) is clamped into the groove (251), and the inner side wall of the clamping sleeve (240) is abutted against the part of the ball (113) protruding out of the surface of the outer side wall of the connecting end (111).

7. The connection terminal according to claim 6, wherein: the inner shell (210) is provided with a second mark point.