CN112701525A - Self-locking type opposite-plugging wire connector - Google Patents

Abstract

The invention provides a self-locking opposite-plugging wire connector, relates to the technical field of wire connectors, and solves the technical problem that the wire connector in the prior art is inconvenient to operate in the using process. The self-locking opposite-plugging wire connector comprises a male pin main body, a female pin main body and a middle shell, wherein the middle shell is sleeved on the male pin main body and the female pin main body, and two ends of the middle shell are respectively connected with the male pin main body and the female pin main body in a buckling manner; the outer wall of the female needle main body is provided with a plurality of moving tracks, the tail of each moving track is provided with a clamping groove, the inner wall of the middle shell is provided with a plurality of clamping blocks, and when the clamping blocks move to the clamping groove positions along the moving tracks, the clamping blocks are connected with the clamping grooves in a clamping mode; the two sides of the clamping groove are also provided with unlocking rails, the middle shell is rotated to enable the clamping blocks to be located on the unlocking rails, and the clamping blocks can move along the unlocking rails until the female needle main body is separated from the middle shell. The self-locking type opposite-plugging wire connector is more convenient to use and simpler to unlock.

Description

Self-locking type opposite-plugging wire connector

Technical Field

The invention relates to the technical field of wire connectors, in particular to a self-locking opposite-plugging wire connector.

Background

The existing self-locking type opposite-plugging wire connector has various modes such as a side rail type, a side rail type with a spring, a button type and the like. However, the existing side rail type wire connector with the spring is inserted into a wire connector, the middle shell is rotated to be clamped by the spring elasticity, and the spring is inconvenient to mount; in addition, a spring is arranged in the middle shell, when the plug is pulled out, the middle shell needs to be kept at an unlocking position without loosing the hand after the middle shell is screwed to an unlocking state by one hand, and then the plug is pulled out, so that the operation is labor-consuming and inconvenient. The existing side rail type wire connector can be unlocked only in a certain fixed direction during unlocking, and operation is inconvenient.

The applicant has found that the prior art has at least the following technical problems: the existing wire connector is inconvenient to operate in the using process.

Disclosure of Invention

The invention aims to provide a self-locking opposite-plugging wire connector to solve the technical problem that the wire connector in the prior art is inconvenient to operate in the using process. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.

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

the self-locking opposite-plugging wire connector comprises a male pin main body, a female pin main body and a middle shell, wherein the female pin main body is sleeved on the male pin main body and is in sealed connection with the male pin main body, the middle shell is sleeved on the male pin main body and the female pin main body, and two ends of the middle shell are respectively in buckled connection with the male pin main body and the female pin main body;

the outer wall of the female needle main body is provided with a plurality of moving tracks, the tail of each moving track is provided with a clamping groove, the inner wall of the middle shell is provided with a plurality of clamping blocks, and when the clamping blocks move to the clamping groove positions along the moving tracks, the clamping blocks are connected with the clamping grooves in a buckling mode;

the two sides of the clamping groove are also provided with unlocking rails, the middle shell is rotated to enable the clamping blocks to be located on the unlocking rails, and the clamping blocks can move along the unlocking rails until the female needle main body is separated from the middle shell.

Further, be provided with the recess on the outer wall of public needle main part be provided with the sealing member in the recess, public needle main part inserts behind the female needle main part, the inner wall of female needle main part with sealing member interference fit.

Further, the sealing element is a waterproof ring, and a plurality of strands of arc-shaped convex ribs are arranged on the outer surface of the waterproof ring.

Furthermore, an annular groove is formed in the outer wall of the male needle main body, a clamping jaw is arranged on the inner wall of the middle shell, and the clamping jaw is connected with the annular groove in a clamping mode.

Furthermore, be provided with spacing post on the jack catch be provided with spacing mouthful on the outer wall of public needle main part, spacing post can be followed spacing mouthful passes, makes the jack catch with the ring channel buckle is connected.

Further, the movable rail comprises an arc section and an inclined plane section which are communicated, the arc section is of a horn mouth-shaped structure with an opening gradually enlarged, the inclined plane section is connected with the minimum opening of the arc section, and the fixture block sequentially passes through the arc section and the inclined plane section to enter the clamping groove.

Further, be provided with public copper needle in the public needle main part be provided with female copper needle in the female needle main part public copper needle with all be provided with the barb on the female copper needle outer wall, public copper needle with on the female copper needle outer wall the barb respectively with public needle main part with the inner wall of female needle main part forms hard interference and connects.

Furthermore, the male copper needle and the male needle main body, and the female copper needle and the female needle main body can be connected in a glue injection mode.

Furthermore, both ends tip of mesochite all is provided with a plurality of openings, and a plurality of openings will mesochite both ends tip divide into a plurality ofly with the mutual divided shell of opening.

Furthermore, one side of the fixture block, which is positioned at the opening end of the middle shell, is of a semicircular structure, and one side of the fixture block, which is far away from the opening end of the middle shell, is of a rectangular structure.

Furthermore, the two ends of the clamping groove are provided with inverted-V-shaped bosses, and after the clamping block is connected with the clamping groove in a buckled mode, the bosses can limit the rotation of the clamping block.

The invention has the beneficial effects that: according to the self-locking opposite-plugging wire connector provided by the invention, the male pin body and the female pin body are hermetically connected to enable a wire to be in a sealed state, the male pin body and the female pin body are sleeved with the middle shells, the middle shells are respectively connected with the male pin matrix and the female pin body in a buckling manner, the middle shells and the female pin body are connected through the movable rails, the clamping grooves and the clamping blocks in a buckling manner, the unlocking rails are arranged on two sides of the movable rails, when the female pin body and the middle shells need to be separated, the middle shells only need to be rotated towards any one side, the female pin body is pulled out, the clamping blocks slide out along the unlocking rails, the clamping blocks are located in the unlocking rails, the female pin body and the middle shells can be separated, and the operation is very convenient.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a cross-sectional view of a first embodiment of the present invention;

FIG. 2 is an exploded view of the first embodiment of the present invention;

FIG. 3 is a schematic partial structural view of a first embodiment of the present invention;

fig. 4 is a cross-sectional view of a second embodiment of the invention.

In the figure 1, a copper needle is disclosed; 2. a male needle body; 3. a middle shell; 4. a female needle body; 5. a female copper needle; 11. a first barb; 21. a groove; 22. a waterproof ring; 23. an arc convex rib; 24. an annular groove; 25. a limiting port; 31. a clamping block; 32. a claw; 33. a limiting column; 34. an opening; 35. splitting the shell; 41. a moving track; 42. an arc-shaped section; 43. a slope section; 44. a card slot; 45. a boss; 46. unlocking the track; 51. a second barb.

Detailed Description

The contents of the present invention and the differences between the present invention and the prior art can be understood with reference to fig. 1 to 4 and the text. The invention will now be described in further detail, including the preferred embodiments, with reference to the accompanying drawings, in which some alternative embodiments of the invention are shown. It should be noted that: any technical features and any technical solutions in the present embodiment are one or more of various optional technical features or optional technical solutions, and for the sake of brevity, this document cannot exhaustively enumerate all the alternative technical features and alternative technical solutions of the present invention, and is also not convenient for each embodiment of the technical features to emphasize it as one of various optional embodiments, so those skilled in the art should know that: any technical means provided by the invention can be replaced or any two or more technical means or technical characteristics provided by the invention can be combined with each other to obtain a new technical scheme. Any technical features and any technical solutions in the present embodiment do not limit the scope of the present invention, and the scope of the present invention should include any alternative technical solutions that can be conceived by those skilled in the art without inventive efforts and new technical solutions that can be obtained by those skilled in the art by combining any two or more technical means or technical features provided by the present invention with each other.

In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", 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 and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like 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 also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

The self-locking type opposite-plugging wire connector is more convenient to use and simpler to unlock.

The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 4.

The invention provides a self-locking opposite-plugging wire connector which comprises a male pin main body, a female pin main body and a middle shell, wherein the female pin main body is sleeved on the male pin main body and is in sealed connection with the male pin main body;

the outer wall of the female needle main body is provided with a plurality of moving tracks, the tail of each moving track is provided with a clamping groove, the inner wall of the middle shell is provided with a plurality of clamping blocks, and when the clamping blocks move to the clamping groove positions along the moving tracks, the clamping blocks are connected with the clamping grooves in a buckling mode;

the two sides of the clamping groove are also provided with unlocking rails, the middle shell is rotated to enable the clamping blocks to be located on the unlocking rails, and the clamping blocks can move along the unlocking rails until the female needle main body is separated from the middle shell.

According to the self-locking opposite-plugging wire connector provided by the invention, the male pin body and the female pin body are hermetically connected to enable a wire to be in a sealed state, the male pin body and the female pin body are sleeved with the middle shells, the middle shells are respectively connected with the male pin body and the female pin body in a buckling manner, the middle shells and the female pin body are connected through the moving tracks, the clamping grooves and the clamping blocks in a buckling manner, the unlocking tracks are arranged on two sides of the moving tracks, when the female pin body and the middle shells need to be separated, the middle shells only need to be rotated towards any one side to enable the clamping blocks to be in the unlocking tracks, the female pin body is pulled out, the clamping blocks slide out along the unlocking tracks, the female pin body and the middle shells can be separated, and the operation is very convenient.

As an optional implementation manner, a groove is formed in the outer wall of the male needle body, a sealing member is arranged in the groove, and after the male needle body is inserted into the female needle body, the inner wall of the female needle body is in interference fit with the sealing member.

Be provided with the sealing member between public needle body and the female needle body, the sealing member is fixed between the recess in the public needle main part and the inner wall of female needle main part, makes in public needle main part and the female needle main part be in encapsulated situation, reaches waterproof purpose.

In an alternative embodiment, the sealing member is a waterproof ring, and a plurality of strands of arc-shaped ribs are arranged on the outer surface of the waterproof ring.

The waterproof ring outside is provided with the protruding muscle of stranded arc, and the protruding muscle of arc extrudees each other with the inner wall of female needle main part, forms multichannel waterproof barrier, and water-proof effects can be better, and in addition, the joint line can not appear in the waterproof face of waterproof ring, makes water-proof effects better, more reliable and more stable.

As an optional embodiment, an annular groove is arranged on the outer wall of the male needle main body, and a clamping jaw is arranged on the inner wall of the middle shell and is in snap connection with the annular groove.

Match through jack catch and ring channel, be connected mesochite and public needle main part buckle, make mesochite and stable firm connection of public needle main part.

As an optional implementation mode, a limit post is arranged on the jaw, a limit port is arranged on the outer wall of the male needle main body, and the limit post can penetrate through the limit port to enable the jaw to be in snap-fit connection with the annular groove.

Through setting up spacing post and spacing mouth, the spacing post can only be followed the spacing mouth department of public needle main part and packed into, can play and prevent staying with spacing effect, aims at public needle main part breach with the spacing post of mesochite, and the cover is gone to press again, makes the jack catch card go into the ring channel of public needle main part, accomplishes the assembly of mesochite and public needle main part promptly.

As an optional implementation mode, the moving track comprises an arc-shaped section and an inclined plane section which are communicated, the arc-shaped section is of a horn mouth-shaped structure with an opening gradually enlarged, the inclined plane section is connected with the minimum opening of the arc-shaped section, and the clamping block sequentially enters the clamping groove through the arc-shaped section and the inclined plane section.

The moving track comprises an arc-shaped section and an inclined-plane section, the arc-shaped section is in a bell mouth shape, the clamping block sequentially passes through the arc-shaped section and the inclined-plane section in the butt joint process of the female needle main body and the middle shell, the bell-mouth-shaped arc-shaped section is convenient for butt joint of the clamping block and is more beneficial to the clamping block on the middle shell to slide into the arc-shaped section, the clamping block has larger allowed moving space, the requirement on the butt joint accuracy of the female needle main body and the middle shell is lower, and the clamping phenomenon cannot occur; the arc section size matches with the fixture block position, and the resistance is less when making the fixture block remove in the arc section, and the height of inclined plane section increases gradually, and the fixture block passes through in the inclined plane section gets into the draw-in groove, be connected with the draw-in groove buckle, accomplish the auto-lock process of inserting of mother needle main part and mesochite.

As an optional implementation mode, a male copper needle is arranged on the male needle body, a female copper needle is arranged on the female needle body, barbs are arranged on the outer walls of the male copper needle and the female copper needle respectively, and the barbs on the outer walls of the male copper needle and the female copper needle form hard interference connection with the inner walls of the male needle body and the female needle body respectively.

The male copper needle and the male needle body and the female copper needle and the female needle body can be connected in a sealing mode through glue injection, and can also be in hard interference connection through barbs and annular depressions.

As an optional embodiment, both end portions of the middle shell are provided with a plurality of openings, and the plurality of openings divide the both end portions of the middle shell into a plurality of sub-shells separated from each other by the openings.

Set up the opening through the both ends at the mesochite, the open-ended sets up, lets fixture block and jack catch can have better elasticity, and the convenience is to inserting, can be with the higher of fixture block and jack catch setting in addition, and the hasp can be more firm, and during the plug, when the inclined plane section was crossed to the fixture block, the dynamics was littleer, and the plug is lighter.

In an alternative embodiment, one side of the fixture block, which is located at the open end of the middle shell, is of a semicircular structure, and one side of the fixture block, which is far away from the open end of the middle shell, is of a rectangular structure.

The end part of the clamping block is made into a semicircular structure, when the clamping block is matched with the moving track, the resistance is small, the opposite insertion is easier, and the clamping is not easy. It should be noted here that the latch is not limited to the end of the latch being made into a semicircular structure, and may also be made into an arc-shaped structure.

As an optional implementation manner, two ends of the clamping groove are provided with inverted V-shaped bosses, and after the clamping block is connected with the clamping groove in a buckling manner, the bosses can limit the rotation of the clamping block.

The inverted V-shaped boss can limit the fixture block to automatically rotate left and right to be separated from the clamping groove, so that the limiting effect is achieved; when the needle needs to be unlocked, the middle shell is turned towards any one of two sides, the clamping block is rotated and crosses the inverted V-shaped bosses on the two sides, the clamping block leaves the clamping position, the unlocking position is rotated, the female needle body continues to be pulled out outwards, the clamping block slides out of the rail along the unlocking rail, and the unlocking and pulling-out process can be completed.

Example 1:

the invention provides a self-locking type opposite-plugging wire connector which comprises a male copper needle 1, a male needle main body 2, a middle shell 3, a female needle main body 4 and a female copper needle 5, wherein the male copper needle 1 is installed in the male needle main body 2 through glue injection, the female copper needle 5 is installed in the female needle main body 4 through glue injection, the female needle main body 4 is sleeved on the male needle main body 2, a groove 21 is formed in the outer wall of the male needle main body 2, a waterproof ring 22 is arranged in the groove 21, a plurality of strands of arc-shaped convex ribs 23 are arranged on the outer surface of the waterproof ring 22, and after the male needle main body 2 is inserted into the female needle main body 4, the inner wall of the female needle main body 4 is in interference fit with the waterproof ring 22, so that the male needle main body 2 and the female needle main body 4 form sealed connection. Waterproof circle 22 extrusion is between the inner wall of recess 21 on the public needle main part 2 and female needle main part 4, and waterproof circle 22's surface is provided with the protruding muscle of stranded arc 23, stranded arc 23 with the inner wall of female needle main part 4 forms multichannel waterproof barrier to reach reliable and stable waterproof performance.

The mesochite 3 is sleeved on the male needle body 2 and the female needle body 4, and the two ends of the mesochite 3 are respectively connected with the male needle body 2 and the female needle body 4 in a buckling manner.

Specifically, four moving rails 41 are arranged on the outer wall of the female needle body 4, each moving rail 41 includes an arc-shaped section 42 and an inclined-plane section 43 which are communicated with each other, the arc-shaped section 42 is a bell-mouth-shaped structure with gradually-increased opening, the inclined-plane section 43 is connected with the minimum opening of the arc-shaped section 42, a clamping groove 44 is arranged at the end of the inclined-plane section 43, four clamping blocks 31 are arranged on the inner wall of the middle shell 3, one side of each clamping block 31, which is located at the opening end of the middle shell 3, is of a semicircular structure, one side of each clamping block 31, which is far away from the opening end of the middle shell 3, is of a rectangular structure, the clamping blocks 31 sequentially pass through the arc-shaped section 42 and the inclined-plane section 43 to;

the two ends of the clamping groove 44 are provided with inverted-V-shaped bosses 45, and after the clamping block 31 is connected with the clamping groove 44 in a buckling manner, the bosses 45 can limit the rotation of the clamping block 31; the boss 45 is arranged to prevent the fixture block 31 from automatically rotating towards the two sides of the fixture groove 44.

Unlocking rails 46 are further arranged on two sides of the clamping groove 44, the middle shell 3 is rotated to enable the fixture block 31 to penetrate through the boss 45 and be located on the unlocking rails 46, and the fixture block 31 can move along the unlocking rails 46 until the female needle body 4 is separated from the middle shell 3.

An annular groove 24 is formed in the outer wall of the male needle main body 2, a clamping jaw 32 is arranged on the inner wall of the middle shell 3, and the clamping jaw 32 is connected with the annular groove 24 in a buckling mode. The jaw 32 is further provided with a limiting column 33, the outer wall of the male needle main body 2 is provided with a limiting opening 25, and the limiting column 33 can penetrate through the limiting opening 25, so that the jaw 32 is in snap connection with the annular groove 24.

Further, a plurality of openings 34 are provided at both end portions of the middle shell 3, and the plurality of openings 34 divide the both end portions of the middle shell 3 into a plurality of sub-shells 35 separated from each other by the openings 34. The opening 34 is arranged, so that the clamping block 31 and the clamping jaw 32 have better elasticity, the clamping block 31 and the clamping jaw 32 can be made higher, and the locking is firmer; during plugging, when the clamping block 31 crosses the boss 45 and the unlocking rail 46, the force is smaller, and the plugging is easier.

In addition, in order to mark and distinguish each male copper needle 1 and each female copper needle 5, a plurality of separation columns are formed in the tail cavity of the female needle body 4 and the male needle body 2, and the end faces of the female needle body 4 and the male needle body 2 are marked and distinguished by word marks, so that the identification and the distinguishing are convenient. Injecting glue to each separated cavity, so that the glue is firmer; the bad condition that the glue injection is not in place or a cavity is formed inside the glue injection is avoided.

Example 2:

the present embodiment 2 is different from embodiment 1 in that: barbs, namely a first barb 11 and a second barb 51 are arranged on the outer walls of the male copper needle 1 and the female copper needle 5 respectively, and the male copper needle 1 and the male needle body 2 are in hard interference connection with the inner wall of the male needle body 2 through the first barb 11; the female copper needle 5 and the female needle body 4 form a hard interference connection through the second barb 51 and the inner wall of the female needle body 4.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. A self-locking opposite-plugging wire connector is characterized by comprising a male pin main body, a female pin main body and a middle shell, wherein the female pin main body is sleeved on the male pin main body and is in sealed connection with the male pin main body;

the outer wall of the female needle main body is provided with a plurality of moving tracks, the tail of each moving track is provided with a clamping groove, the inner wall of the middle shell is provided with a plurality of clamping blocks, and when the clamping blocks move to the clamping groove positions along the moving tracks, the clamping blocks are connected with the clamping grooves in a buckling mode;

the two sides of the clamping groove are also provided with unlocking rails, the middle shell is rotated to enable the clamping blocks to be located on the unlocking rails, and the clamping blocks can move along the unlocking rails until the female needle main body is separated from the middle shell.

2. The self-locking opposite-plugging wire connector according to claim 1, wherein a groove is formed in an outer wall of the male pin body, a sealing member is arranged in the groove, and an inner wall of the female pin body is in interference fit with the sealing member after the male pin body is inserted into the female pin body.

3. The self-locking opposite-plugging wire connector according to claim 2, wherein the sealing member is a waterproof ring, and a plurality of strands of arc-shaped ribs are arranged on the outer surface of the waterproof ring.

4. The self-locking type opposite-plugging wire connector according to any one of claims 1 to 3, wherein an annular groove is formed on the outer wall of the male pin body, and a claw is formed on the inner wall of the middle shell and is in snap-fit connection with the annular groove.

5. The self-locking opposite-plugging wire connector according to claim 4, wherein a limiting post is arranged on the clamping jaw, a limiting opening is arranged on the outer wall of the male pin body, and the limiting post can penetrate through the limiting opening to enable the clamping jaw to be in clamping connection with the annular groove.

6. The self-locking type opposite-plugging wire connector according to claim 1, wherein the moving track comprises an arc-shaped section and an inclined section which are communicated, the arc-shaped section is of a horn-shaped structure with an opening gradually enlarged, the inclined section is connected with the minimum opening of the arc-shaped section, and the clamping block sequentially passes through the arc-shaped section and the inclined section to enter the clamping groove.

7. The self-locking opposite-plugging wire connector according to claim 1, wherein a male copper pin is arranged on the male pin body, a female copper pin is arranged on the female pin body, barbs are arranged on the outer walls of the male copper pin and the female copper pin, and the barbs on the outer walls of the male copper pin and the female copper pin form hard interference connection with the inner walls of the male pin body and the female pin body respectively.

8. The self-locking opposite-plugging wire connector according to claim 1, wherein both end portions of the middle housing are provided with a plurality of openings, and the plurality of openings divide the both end portions of the middle housing into a plurality of sub-housings separated from each other by the openings.

9. The self-locking type opposite-plugging wire connector according to claim 1, wherein one side of the clamping block, which is positioned at the open end of the middle shell, is of a semicircular structure, and one side of the clamping block, which is far away from the open end of the middle shell, is of a rectangular structure.

10. The self-locking type opposite-plugging wire connector according to claim 1, wherein inverted-V-shaped bosses are arranged at two ends of the clamping groove, and the bosses can limit the rotation of the clamping block after the clamping block is connected with the clamping groove in a buckling manner.

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