CN111129796A

CN111129796A - Self-unlocking connector

Info

Publication number: CN111129796A
Application number: CN202010029688.1A
Authority: CN
Inventors: 蒋仁会; 李晓鹏; 叶枫; 郭露村; 陈亦春
Original assignee: Yangzhou Fine Electron Technology Co ltd
Current assignee: Yangzhou Fine Electron Technology Co ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-05-08

Abstract

The invention belongs to the technical field of electrical connection devices, and particularly relates to a self-unlocking connector. Including first terminal, second terminal and sheath, seted up the pulling force hole on the first terminal, the second terminal includes clamping part and wiring portion, is provided with elasticity locking piece in the clamping part, and elasticity locking piece is used for fastening connection to the second terminal and the first terminal of inserting with the pulling force hole cooperation, and the sheath is both ends open-ended tubular structure, and the sheath cover is established on the second terminal, and sheath inner wall upper surface middle part is provided with the aggregate unit who is used for separating first terminal and second terminal. The connector is used for solving the problems that the traditional connector is complex in structure, cannot be unlocked automatically and is high in manufacturing and maintenance cost. The invention has simple and reliable structure and low production and manufacturing cost, the linkage device pushes and presses the bending part to drive the elastic sheet to press downwards by pulling the sheath, so that the salient point and the tension hole are separated to complete unlocking, the unlocking only needs to pull the sheath, the operation is simple and easy to implement, and the operation can be completed by one hand.

Description

Self-unlocking connector

Technical Field

The invention belongs to the technical field of electrical connection devices, and particularly relates to a self-unlocking connector.

Background

Connectors are devices for making a quick and reliable connection between components or modules, and can connect two electrical components into a complete system.

At present, the connectors on the market are generally divided into those with and without latches, the connectors without latches can be usually plugged and unplugged only once and cannot be plugged and unplugged repeatedly, the connectors with latches can not be unlocked automatically, if unplugged, the operation is complicated or the connecting mechanism is usually damaged if unplugged forcibly, and the following problems exist: the structure is complicated, and it is high to make the maintenance cost, and the contact is unreliable, and plug mechanism is comparatively loaded down with trivial details, causes the fragile of inner structure spare, and the plug power gradually loses after many times plug, drops easily, and the plug is inconvenient, needs both hands operation usually.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a self-unlocking connector which is used for solving the problems that the traditional connector is complex in structure, cannot be unlocked automatically and is high in manufacturing and maintenance cost.

The technical scheme for solving the technical problems is as follows: the utility model provides a self-unlocking connector, includes first terminal, second terminal and sheath, the pulling force hole has been seted up on the first terminal, the second terminal includes clamping part and wiring portion, be provided with elasticity locking piece in the clamping part, elasticity locking piece with the pulling force hole cooperation is used for the fastening connection to inserting second terminal and first terminal, the sheath is both ends open-ended tubular structure, the sheath cover is established on the second terminal, sheath inner wall upper surface middle part is provided with and is used for separating the aggregate unit of first terminal and second terminal.

Compared with the prior art, the scheme has the following beneficial effects:

realize the locking connection of first terminal and second terminal through elasticity locking piece, the unblock only needs the pulling cover to establish the sheath on the second terminal, drive the inside aggregate unit of sheath to elastic locking piece carry out the unblock separation can, easy operation.

Further, elasticity locking piece includes the shell fragment and sets up bump on the shell fragment, shell fragment one end with clamping part fixed connection, the shell fragment is close to wiring part one end is kept away from as the free end the second terminal slope protrusion, the bump is used for first terminal inserts push down during the clamping part of second terminal the shell fragment card is gone into the downthehole formation hasp cooperation of pulling force.

According to the scheme, the elastic sheet which is obliquely arranged presses the inserted first terminal, so that the electric connection is firm and stable, the electricity utilization safety is ensured, meanwhile, the convex points and the tension holes form lock catch connection, and the mechanical connection strength is ensured.

Preferably, the salient point is a wedge-shaped salient point, and the inclined direction of the wedge-shaped salient point is consistent with the inclined direction of the elastic sheet.

According to the scheme, the inclined direction of the wedge-shaped salient point is consistent with that of the elastic sheet, so that the first terminal is labor-saving when being inserted, and is not easy to trip.

Furthermore, the elastic locking piece comprises a bending part which is formed by extending the free end of the elastic sheet, the elastic sheet and the bending part are integrally formed into an L shape, the bending part is accommodated in the sheath arranged on the second terminal, and the linkage device is used for driving the elastic sheet to press down on the bending part to separate the first terminal from the second terminal.

According to the scheme, the linkage device presses the bending part to drive the elastic sheet to press downwards so that the convex point in the tension hole is separated, and then the first terminal and the second terminal are separated.

Further, the clamping part is of a semi-surrounding structure, a notch is formed in the clamping part, the linkage device is arranged to be a strip-shaped boss, the linkage device can slide axially along the sheath in the notch to press the bending part to drive the elastic sheet to press downwards, so that the salient point is separated from the tension hole to separate the first terminal and the second terminal.

According to the scheme, the linkage device is the strip-shaped protrusion, the strip-shaped protrusion can smoothly slide in the notch of the clamping part, and the linkage device can push and press the bending part to complete unlocking when axially moving.

Furthermore, a chamfer is arranged at one end, close to the clamping part, of the strip-shaped boss.

According to the scheme, the chamfer angle is in contact with the bending part, and the bending part is pressed at the chamfer angle in the sliding process of the linkage device to force the elastic sheet to be pressed downwards.

Furthermore, reverse buckles are arranged on two sides of the inner wall of the sheath and abut against the clamping parts to clamp the inserted second terminals.

According to the scheme, when the second terminal is inserted into the sheath, the clamping parts on the second terminal are propped against through the reverse buckles on the two sides, the second terminal and the sheath are locked, and the stopping effect can be achieved when the first terminal is inserted again.

Further, the length of the second terminal is less than the length of the sheath.

According to the scheme, the sheath can protect the inserted first terminal and the inserted second terminal.

Further, the sheath is an insulating sheath.

According to the scheme, the insulating sheath can play a certain electric protection role.

Further, the sheath is a square tubular structure sheath or a round tubular structure sheath.

The invention has the beneficial effects that:

1. the structure is simple and reliable, the production and manufacturing cost is low, the linkage device pushes and presses the bending part to drive the elastic sheet to press downwards by pulling the sheath, so that the convex points and the tension holes are separated to finish unlocking, the unlocking only needs to pull the sheath, the operation is simple and easy to implement, and the operation can be finished by one hand;

2. the combination of a locking mechanism is simple and easy to realize, the first terminal is inserted into the second terminal, so that the salient points on the elastic sheet are clamped into the tension holes on the first terminal to complete locking, locking connection can be completed by insertion, the locking result is simple and reliable, unlocking cannot be completed by only pulling the wires at the two ends of the male second terminal, redundant structural connection is not needed, and the maintenance and replacement cost is low;

3. the sheath not only can realize from the unblock, can also guarantee that first terminal and second terminal are connected stably to and protection first terminal and second terminal junction play insulating protection effect simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic top view illustrating a state where a first terminal and a second terminal are separated according to an embodiment of the present invention;

FIG. 2 is a schematic side view of a first terminal and a second terminal separated according to an embodiment of the present invention;

FIG. 3 is a schematic top view of a sheath according to an embodiment of the invention;

FIG. 4 is a schematic side view of a sheath according to an embodiment of the invention;

fig. 5 is a schematic top view illustrating a connection state of a first terminal and a second terminal according to an embodiment of the present invention;

FIG. 6 is a schematic side view of a connection state of a first terminal and a second terminal according to an embodiment of the present invention;

FIG. 7 is a schematic diagram illustrating a connection state in use according to an embodiment of the present invention;

fig. 8 is a schematic diagram of a separation trip state according to an embodiment of the present invention;

fig. 9 is a partial enlarged view of a portion a in fig. 7.

Reference numerals:

1. a first terminal; 2. a tension hole; 3. a second terminal; 31. a clamping portion; 32. a wiring portion; 4. an elastic locking member; 41. a spring plate; 42. salient points; 43 bending part; 5. a sheath; 51. a linkage device; 52. reversing; 6. a notch; 7. and (4) conducting wires.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

As shown in fig. 1-4, the self-unlocking connector provided by the present invention comprises a first terminal 1, a second terminal 3 and a sheath 5, wherein a tension hole 2 is formed on the first terminal 1, the second terminal 3 comprises an integrally formed clamping portion 31 and a wire connecting portion 32, the wire connecting portion 32 is used for connecting a wire 7, the clamping portion 31 is used for connecting with the first terminal 1 matched therewith, after the first terminal 1 and the second terminal 3 are connected in place, the electrical connection of the components connected to the two sides of the wire 7 is realized through the inserted first terminal 1 and the second terminal 3, wherein an elastic locking member 4 is arranged in the clamping portion 31, the elastic locking member 4 is matched with the tension hole 2 for tightly connecting the first terminal 1 and the second terminal 3 inserted from one end of the clamping portion 31, the sheath 5 is arranged in a cylindrical structure with openings at two ends, the sheath 5 is sleeved on the second terminal 3 from one end of the sheath 5, wherein two sides of the inner wall of the sheath 5, after the female terminal is connected with the lead 7, the female terminal is inserted into the sheath 5, the reverse buckle 52 in the sheath 5 is just abutted on the clamping part 31 on the second terminal 3, the second terminal 3 and the sheath 5 are locked, so that the second terminal 3 can not be drawn out from the sheath 5, when the first terminal 1 is connected again, the stop function is realized, and the first terminal 1 can be easily inserted into the clamping part 31 of the second terminal 3; the length of the sheath 5 of the cover-mounted outside the second terminal 3 is greater than the length of the second terminal 3, it is ensured that the second terminal 3 is wrapped in the sheath 5, a certain protection effect is achieved, the sheath 5 is made into a cylindrical shape or a square cylinder shape by adopting an insulating material, a certain electric protection effect can be achieved on the first terminal 1 and the second terminal 3 inside, a linkage device 51 is further arranged in the middle of the upper surface of the inner wall of the sheath 5, the separation of the inserted first terminal 1 and the second terminal 3 can be achieved through the cooperation of the linkage device 51 and the elastic locking piece 4, specifically, the locking connection of the first terminal 1 and the second terminal 3 is achieved through the cooperation of the elastic locking piece 4 and the tension hole 2, the linkage device 51 is driven to slide to separate the elastic locking piece 4 from the tension hole 2 by pulling the sheath 5, the separation of the first terminal 1 and the second terminal 3 is achieved, and self-unlocking is.

Wherein, the elastic locking piece 4 comprises a spring plate 41 and a salient point 42 arranged on the spring plate 41, after the first terminal 1 and the second terminal 3 are inserted in place, namely the first terminal 1 is inserted into the clamping part 31 to the bottom, the salient point 42 is clamped into the tension hole 2 to form a lock catch connection, one end of the spring plate 41 is fixedly connected with the clamping part 31, one end of the spring plate 41 close to the wiring part 32 is taken as a free end to be away from the second terminal 3 to be obliquely protruded, the spring plate 41 obliquely arranged on the second terminal 3 and the salient point 42 arranged on the spring plate 41 can be integrally formed by upward stamping from the clamping part 31 or by one-time casting through a mould, when the first terminal 1 is inserted into the clamping part 31 of the second terminal 3, the first terminal 1 presses the obliquely arranged spring plate 41 downwards, the spring plate 41 is in interference fit with the first terminal 1, and the salient point 42 on the spring plate 41 is clamped into the, because the free end of the elastic sheet 41 protrudes outwards and is connected with the second terminal 3, because the upper surface of the elastic sheet 41 is attached to the lower surface of the first terminal 1, tight electrical connection is formed, and simultaneously, because the tension hole 2 on the first terminal 1 is matched with the salient point 42 on the elastic sheet 41 of the second terminal 3, the mechanical connection strength is increased; as shown in fig. 6, the bending portion 43 disposed at the free end, the bending portion 43 and the elastic sheet 41 are integrally formed, or integrally formed by stamping or molding, the bending portion 43 and the elastic sheet 41 are L-shaped, and when the first terminal 1 is inserted into the clamping portion 31, the elastic sheet 41 and the first terminal 1 are tightly fit to ensure good contact, and at the same time, the L-shaped whole body formed by the elastic sheet 41 and the bending portion 43 is just accommodated in the sheath 5, the bending portion 43 is used for contacting with the linkage device 51, by sliding the sheath 5 along the sheath 5 axially, the linkage device 51 contacts with the bending portion 43, a force is applied to the bending portion 43, the bending portion 43 is pressed to drive the elastic sheet 41 to move down, so that the protruding point 42 on the elastic sheet 41 is separated from the pulling force hole 2, at this time, the first terminal 1 can be separated from the second terminal 3, because the direction of pulling the sheath 5 is opposite to the, when the salient point 42 is separated from the tension hole 2, the first terminal 1 and the second terminal 3 can be separated, and the assembly and disassembly are convenient and quick.

In addition, the salient points 42 are wedge-shaped, and the inclination direction is consistent with the inclination direction of the elastic sheet 41. It is laborsaving when having guaranteed that first terminal 1 inserts from clamping part 31, and difficult dropout when pulling reversely realizes the locking and connects first terminal 1 and second terminal 3 through the structure that sets up wedge bump 42 on shell fragment 41, and locking structure is simple easily realizes, and processing low in manufacturing cost, later maintenance replacement cost is low and convenient.

As shown in fig. 1 and 5, the clamping portion 31 is a semi-surrounding structure, a gap 6 is formed in the clamping portion 31 corresponding to the position of the linkage device 51, the linkage device 51 is arranged as a strip-shaped boss, the width of the strip-shaped boss is smaller than that of the gap 6, it is ensured that the linkage device 51 can smoothly slide in the gap 6, meanwhile, one end of the strip-shaped boss close to the clamping portion 31 is provided with a chamfer, when the linkage device 51 installed in the sheath 5 on the second terminal 3 slides in the sheath 5, the linkage device slides in the gap 6 to press the bending portion 43 through the contact of the chamfer, so as to drive the elastic sheet 41 to be pressed downwards, so that the salient point 42 is separated from the tension hole 2, as shown in fig. 8, at this moment, the elastic sheet 41.

Furthermore, two sides of the upper end of the inner wall of the sheath 5 are further provided with reverse buckles 52, the distance between the two reverse buckles 52 is larger than the width of the upper end of the bending part 43, and it is ensured that the sheath 5 cannot be obstructed with the bending part 43 in the processes of sheathing the second terminal 3 and pulling and unlocking, as shown in fig. 4 and 7, the reverse buckles 52 are obliquely arranged strips, and the oblique direction of the reverse buckles is along the direction in which the sheath 5 is sheathed in the second terminal 3, so that the sheath 5 can be sheathed in the second terminal 3 smoothly, and after the sheath is sheathed in, the end parts of the reverse buckles 52 abut against the clamping part 31, as shown in fig. 9, the second terminal 3 cannot be separated from the sheath 5, when the first terminal 1 is inserted into the clamping part 31, the second terminal 3 abuts against the reverse buckles 52 through the clamping part 31 to.

When the terminal is installed, after the wiring portion 32 of the second terminal 3 is connected with the lead 7, the sheath 5 is sleeved from one end of the clamping portion 31 on the second terminal 3, the reverse buckles 52 on two sides of the upper end of the inner wall of the sheath 5 are obliquely arranged and face in the sleeving direction in the sleeving process, so that the second terminal 3 presses the reverse buckles 52 to deform and can be sleeved smoothly, when the second terminal 3 is sleeved in place, the reverse buckles 52 rebound to clamp the clamping portion 31 of the second terminal 3, so that the sheath 5 and the second terminal 3 cannot be separated, then the first terminal 1 matched with the second terminal 3 is inserted into the clamping portion 31, when the bottom is inserted in place, the salient point 42 on the elastic sheet 41 is just clamped into the tension hole 2 on the first terminal 1, and the second terminal 3 form a locking fastening state due to the wedge-shaped salient point 42, the first terminal 1 and the second terminal 3 are pulled reversely and cannot be separated, when the separation is needed, the sheath 5 is pulled, the bending part 43 arranged on the elastic sheet 41 corresponding to the linkage device 51 pushes and presses the bending part 43 in the sliding process of the linkage device 51, the elastic sheet 41 is driven to be pressed downwards, as shown in fig. 8, at the moment, the salient point 42 on the elastic sheet 41 is separated from the tension hole 2, the first terminal 1 and the second terminal 3 can be separated, as the direction of the sheath 5 is pulled to be consistent with the direction of the first terminal 1 and the second terminal 3, the separation of the first terminal 1 and the second terminal 3 can be completed only by pulling the sheath 5 to drive the elastic sheet 41 to be pressed downwards, and after the separation, the elastic sheet 41 rebounds and restores to the. The salient point 42 on the elastic sheet 41 is matched with the tension hole 2 on the first terminal 1 to complete the locking connection of the second terminal 3 of the first terminal 1, the first terminal 1 and the second terminal 3 are separated through the matching of the linkage device 51 and the bending part 43 on the elastic sheet 41, the lock catch connection and the separation are simple and easy to operate, and repeated plugging and unplugging can be realized.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A self-unlocking connector, characterized in that: including first terminal, second terminal and sheath, the pulling force hole has been seted up on the first terminal, the second terminal includes clamping part and wiring portion, be provided with elasticity locking piece in the clamping part, elasticity locking piece with the pulling force hole cooperation is used for fastening connection to inserting second terminal and first terminal, the sheath is both ends open-ended tubular structure, the sheath cover is established on the second terminal, sheath inner wall upper surface middle part is provided with and is used for separating the aggregate unit of first terminal and second terminal.

2. The self-unlocking connector according to claim 1, wherein: elasticity locking piece includes the shell fragment and sets up bump on the shell fragment, shell fragment one end with clamping part fixed connection, the shell fragment is close to wiring part one end is kept away from as the free end the second terminal slope protrusion, the bump is used for first terminal inserts push down during the clamping part of second terminal the shell fragment card is gone into the downthehole formation hasp cooperation of pulling force.

3. The self-unlocking connector according to claim 2, wherein: the salient points are wedge-shaped salient points, and the inclination directions of the wedge-shaped salient points are consistent with the inclination direction of the elastic sheet.

4. The self-unlocking connector according to claim 2, wherein: the elastic locking piece comprises a bending part, the free end of the elastic sheet extends and is arranged, the elastic sheet and the bending part are integrally formed into an L shape, the bending part is accommodated in the sheath arranged on the second terminal, and the linkage device acts on the bending part to drive the elastic sheet to press downwards so as to separate the first terminal from the second terminal.

5. The self-unlocking connector according to claim 4, wherein: the clamping part is of a semi-surrounding structure, a notch is formed in the clamping part, the linkage device is arranged to be a strip-shaped boss, the linkage device can slide axially along the sheath in the notch to press the bending part to drive the elastic sheet to press downwards, and the salient point is separated from the tension hole to separate the first terminal and the second terminal.

6. The self-unlocking connector according to claim 5, wherein: and one end of the strip-shaped boss, which is close to the clamping part, is provided with a chamfer.

7. The self-unlocking connector according to claim 6, wherein: and reverse buckles are arranged on two sides of the inner wall of the sheath and abut against the clamping parts to clamp the inserted second terminals.

8. The self-unlocking connector according to claim 7, wherein: the length of the second terminal is less than the length of the sheath.

9. The self-unlocking connector according to claim 8, wherein: the sheath is an insulating sheath.

10. The self-unlocking connector according to claim 9, wherein: the sheath is a square tubular structure sheath or a round tubular structure sheath.