CN113285292A

CN113285292A - Buckle locking type electric connector

Info

Publication number: CN113285292A
Application number: CN202110550100.1A
Authority: CN
Inventors: 李五朋; 甘露; 郝梦飞; 郑学飞; 鲍小会
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-08-20

Abstract

A buckle locking type electric connector comprises a contact element and two insulators which are mutually inserted, wherein a buckle is arranged on the outer side of one insulator close to the insertion position, the buckle is of a cantilever beam structure, a supporting area connected with the corresponding insulator is arranged on the buckle, and a clamping hook is arranged at one end of the buckle; the other insulator is provided with a clamping table near the outer side of the inserting position, the two insulators are mutually inserted and closed, the buckle rotates around the supporting area under the extrusion action of the clamping table, after the two insulators are inserted and closed in place, the buckle restores to the original shape and enables the hook to be clamped on the clamping table, and in the detaching process, the buckle is pressed to enable the buckle to rotate around the supporting area, and the hook is separated from the clamping table. Compared with the prior art, the invention has the advantages that: simple structure, locking is reliable, can satisfy frequently to dismantle the requirement.

Description

Buckle locking type electric connector

Technical Field

The invention belongs to the technical field of connectors, and particularly relates to a buckle locking type electric connector.

Background

The electric connector realizes the electric connection and signal transmission between devices or systems through plug and socket opposite insertion. The stability of the connection directly affects the reliability of the overall system. In order to ensure the reliability of the connector, a thread locking mode is usually adopted, a special tool is required, and the connector is inconvenient to lock and disassemble and is not suitable for occasions of repeated disassembly and assembly.

Disclosure of Invention

Aiming at the technical problem that the electric connector is inconvenient to disassemble and assemble, the invention provides a buckle locking type electric connector.

The purpose of the invention is realized by adopting the following technical scheme. The invention provides a buckle locking type electric connector, which comprises a contact element and two insulators which are mutually inserted, wherein a buckle is arranged on the outer side of one insulator close to the insertion position, the buckle is of a cantilever beam structure, a supporting area connected with the corresponding insulator is arranged on the buckle, and a clamping hook is arranged at one end of the buckle; the other insulator is provided with a clamping table near the outer side of the inserting position, the two insulators are mutually inserted and closed, the buckle rotates around the supporting area under the extrusion action of the clamping table, after the two insulators are inserted and closed in place, the buckle restores to the original shape and enables the hook to be clamped on the clamping table, and in the detaching process, the buckle is pressed to enable the buckle to rotate around the supporting area, and the hook is separated from the clamping table.

Furthermore, the buckle is of a double-cantilever structure, one side of the buckle in the supporting area is a locking arm, the other side of the buckle is an unlocking arm, and the distance between the unlocking arm and the supporting area is greater than the distance between the locking arm and the supporting area.

Furthermore, the buckle is a separated buckle which is made of an elastic metal sheet, the separated buckle is forcibly arranged on the corresponding insulator through a supporting area I arranged on the separated buckle, one side of the supporting area I of the separated buckle is provided with a locking arm I, and the other side of the supporting area I of the separated buckle is provided with an unlocking arm I; the tail end of the locking arm I is provided with a clamping hook I, and the clamping hook I is clamped on the clamping table under the action of self restoring force after the connector is inserted in place; the tail end of the unlocking arm I is a force application part I for pressing and unlocking, and when the unlocking arm I is detached, the force application part I is pressed, and the clamping hook I is separated from the clamping table.

Furthermore, a boss is arranged on the insulator where the separated buckle is located, and a cavity is formed in the boss along the insertion direction; the supporting area I is bent towards the insertion direction and is forcibly arranged in the cavity of the boss; the end of the supporting area I is provided with a barb which is convenient to be firmly inserted into the cavity of the boss.

Furthermore, the clamping hook I is bent towards the direction away from the inserting and combining direction, and the tail end of the clamping hook I is a locking part which is propped against the clamping table; the force application part I bends and tilts towards the outside so as to save labor during pressing.

Furthermore, the buckle is an integrated buckle which is integrated with the corresponding insulator, a supporting area II on the integrated buckle is integrated with the corresponding insulator, and the integrated buckle is provided with a locking arm II on one side of the supporting area II and an unlocking arm II on the other side; the tail end of the locking arm II is provided with a clamping hook II, and the clamping hook II is clamped on the clamping table under the action of self restoring force after the connector is inserted in place; the tail end of the unlocking arm II is a force application part II for pressing and unlocking, and the force application part II is pressed to separate the clamping hook II from the clamping table.

Furthermore, a material removing inclined surface is arranged on one side, close to the insulator, of the force application part II so as to increase the stroke of the unlocking arm II; the clamping hook II is provided with a transition guide area I towards the insertion direction so as to be conveniently inserted and connected onto another insulator.

Furthermore, the clamping table is a solid clamping table, the end face of the solid clamping table, which is far away from the insertion position, is an anti-falling inclined plane, and the anti-falling inclined plane gradually inclines to one side of the other insulator from one end, which is far away from the corresponding insulator, to one end, which is close to the insulator.

Further, the buckle is interior buckle, and interior buckle is single cantilever structure, and interior buckle includes with the integrative supporting region III that sets up of corresponding insulator, be connected and to inserting cantilever, the terminal trip III with the ka tai joint of cantilever that closes the direction extension with supporting region III.

Furthermore, the clamping table is a hollow clamping table, a cavity extending along the inserting direction is formed in the hollow clamping table, in the inserting process, the clamping hook III elastically deforms and is inserted into the hollow clamping table, and the clamping hook III restores the original shape and is clamped at the other end of the hollow clamping table after being inserted in place; the transition guide area II is convenient for insertion at the contact position of the clamping hook III and the hollow clamping table in the insertion process.

Compared with the prior art, the invention has the advantages that: simple structure, locking is reliable, can satisfy frequently to dismantle the requirement.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a diagram of a first embodiment of a snap-lock electrical connector of the present invention;

FIG. 2 is a schematic view of the breakaway clip of FIG. 1;

FIG. 3 is a diagram of a second embodiment of a snap-lock electrical connector of the present invention;

FIG. 4 is a schematic view of the integrated buckle of FIG. 3;

FIG. 5 is a diagram of a third embodiment of a snap-lock electrical connector of the present invention;

fig. 6 is a schematic view of the inner clip of fig. 5.

[ reference numerals ]

1-plug insulator, 2-socket insulator, 201-boss, 3-solid clamping table, 301-anti-falling inclined plane, 4-separation type buckle, 401-locking arm I, 402-unlocking arm I, 403-barb, 404-locking part, 405-force application part I, 406-clamping hook I, 407-supporting area I, 5-integrated buckle, 501-locking arm II, 502-unlocking arm II, 503-supporting area II, 504-transition guiding area I, 505-material removal inclined plane, 506-clamping hook II, 507-force application part II, 6-hollow clamping table, 7-internal buckle, 701-cantilever, 702-supporting area III, 703-transition guiding area II, 704-clamping hook III.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the buckle locking type electric connector comprises a contact element and two insulators which are mutually inserted, wherein a buckle is arranged on the outer side of one insulator close to the insertion position, the buckle is of a cantilever beam structure, a supporting area connected with the corresponding insulator is arranged on the buckle, and a clamping hook is arranged at one end of the buckle; the other insulator is provided with a clamping table close to the outer side of the inserting position, the two insulators are mutually inserted and closed, the buckle rotates around the supporting area under the extrusion effect of the clamping table, after the two insulators are inserted and closed in place, the buckle restores to the original shape and enables the hook to be clamped on the clamping table, and in the disassembling process, the buckle is pressed to enable the buckle to rotate around the supporting area, and the hook is separated from the clamping table.

The two embodiments of the buckle shown in fig. 1 to 4 have a double-cantilever structure, the buckle has a locking arm on one side of the supporting region and an unlocking arm on the other side, and the distance between the unlocking arm and the supporting region is greater than the distance between the locking arm and the supporting region.

The clasp in one embodiment shown in fig. 5-6 is a single cantilever structure. Three embodiments of the present invention are specifically described below.

A first embodiment of a snap-lock electrical connector of the present invention, as shown in fig. 1 to 2, includes two insulators inserted into each other, that is: a plug insulator 1 and a socket insulator 2.

A solid chuck 3 is integrally provided at a position outside the plug insulator 1 and close to the socket insulator 2, in this embodiment, an end surface of the solid chuck 3 far from the socket insulator 2 is an anti-slip slope 301, and the anti-slip slope 301 gradually inclines toward the socket insulator 2 from a end far from the plug insulator 1 to a end close to the plug insulator 1.

A buckle is arranged at a position, close to the plug insulator 1, outside the socket insulator 2, and the buckle is in a cantilever beam structure, in the embodiment, the buckle is a separate buckle 4 in a double-cantilever beam structure, is made of an elastic metal sheet, and is forcibly installed in the socket insulator 2.

The separable buckle 4 includes a locking arm I401 (a structure within a dashed box on the left side in fig. 2) and an unlocking arm I402 (a structure within a dashed box on the right side in fig. 2), and a supporting region I407, which is a supporting region between the locking arm I401 and the unlocking arm I402, is used for being forcibly mounted on the socket insulator 2. A lever is formed by taking the supporting area I407 as a fulcrum, the locking arm I401 and the unlocking arm I402, one end of the locking arm I401 is moved, the separated buckle 4 is a labor-saving lever, and one end of the unlocking arm I402 is moved, and the separated buckle 4 is a labor-saving lever.

The outer side of one end of the socket insulator 2 close to the plug insulator 1 is provided with a boss 201, the boss 201 is provided with an insertion hole, and the extension direction of the insertion hole is consistent with the insertion direction of the plug insulator 1 and the socket insulator 2. The support region I407 of the separable latch 4 is bent and extended toward one side of the insertion direction, and is fixed to the socket insulator 2 by being forcibly inserted into the insertion hole. The end of the supporting area I407 is provided with a barb 403, and the barb 403 is clamped inside the insertion hole to enhance the connection strength between the separable buckle 4 and the socket insulator 2. The support section I407 is fixed to the socket insulator 2 and supports the entire separable latch 4.

The locking arm I401 crosses over the joint position of the plug insulator 1 and the socket insulator 2, the tail end of the locking arm is provided with a hook, in this embodiment, the hook I406 is bent towards the direction opposite to the inserting direction, namely, the locking arm is bent towards one side of the solid clamping table 3 after being inserted, and when the locking arm is locked, the locking part 404 at the tail end of the hook I406 abuts against the anti-falling inclined plane 301 and is clamped by the anti-falling inclined plane 301. One end of the unlocking arm I402, which is far away from the plug insulator 1, is provided with a force application part I405, and the force application part I405 is bent upwards and tilted so as to be convenient for pressing operation.

In the process of inserting the electric connector, the plug insulator 1 and the socket insulator 2 are oppositely inserted, the solid clamping table 3 is contacted with the clamping hook I406, under the extrusion of the solid clamping table 3, the locking arm I401 elastically deforms and rotates clockwise relative to the supporting area I407, when the insertion is in place, the locking arm I401 restores to the original shape, the locking part 404 at the tail end of the clamping hook I406 abuts against the anti-falling inclined plane 301 to lock the solid clamping table 3, the locking reliability is guaranteed, and the locking function is realized. When the connector is separated, the force application part I405 of the unlocking arm I401 is pressed, the locking arm I401 rotates clockwise, the hook I406 tilts, the locking part 404 of the hook I406 is separated from the anti-falling inclined plane 301 of the solid clamping table 3, and the plug insulator 1 is axially separated from the socket insulator 2.

In other embodiments, the positions of the clamping table and the clamping buckle on the plug insulator 1 and the socket insulator 2 can be reversed according to design requirements.

A second embodiment of a snap-lock electrical connector of the present invention, as shown in fig. 3 to 4, includes two insulators inserted into each other, that is: a plug insulator 1 and a socket insulator 2.

A solid chuck 3 is integrally provided at a position outside the socket insulator 2 and close to the plug insulator 1, in this embodiment, an end surface of the solid chuck 3, which is far from the plug insulator 1, is an anti-separation inclined surface 301, and the anti-separation inclined surface 301 gradually inclines toward the plug insulator 1 from the position far from the socket insulator 2 to the position close to the socket insulator 2.

A buckle is provided at a position outside the plug insulator 1 near the socket insulator 2, the buckle is of a cantilever structure, and in this embodiment, the buckle is an integrated buckle 5 of a double-cantilever structure and is integrally formed with the plug insulator 1.

The integrated buckle 5 includes a locking arm and an unlocking arm, in this embodiment, a locking arm II501 (the structure in the dashed-line box on the right side in fig. 4), and an unlocking arm II502 (the structure in the dashed-line box on the left side in fig. 4), and a supporting region, in this embodiment, a supporting region II503, is located between the locking arm II501 and the unlocking arm II502, and the supporting region II503 is integrally disposed on the plug insulator 1. A lever is formed by taking the supporting area II503 as a fulcrum, the locking arm II501 and the unlocking arm II502, one end of the locking arm II501 is moved, the integrated buckle 5 is a labor-saving lever, one end of the unlocking arm II502 is moved, and the integrated buckle 5 is a labor-saving lever.

The end of the unlocking arm II502 far away from the supporting area II503 is provided with a force application part II507, the force application part II507 is arranged outside the unlocking arm II502, the inner side of the relative position is provided with a material removal inclined surface 505, and when the force application part II507 is pressed, the unlocking arm stroke of the unlocking arm II502 can be increased. A downward bent hook II506 is arranged on the locking arm II501 far away from the supporting area II503, the hook II506 inclines towards one side of the supporting area II503, a transition guiding area I is arranged on the outer side of the hook II, and the transition guiding area I is a chamfer inclined surface and is used for reducing the resistance when the hook II is inserted into the socket insulator 2.

In the process of inserting the electric connector, the plug insulator 1 and the socket insulator 2 are inserted in opposite directions, the solid clamping table 3 is in contact with the clamping hook II506, the locking arm II501 elastically deforms and rotates anticlockwise relative to the supporting area II503, when the insertion is in place, the locking arm II501 restores to be in the original shape to lock the solid clamping table 3, the solid clamping table 3 is provided with the anti-falling inclined plane 301, the inner side of the clamping hook II506 abuts against the anti-falling inclined plane 301, the locking reliability is guaranteed, and the locking function is achieved. When the connector is separated, the force application part II507 of the unlocking arm II502 is pressed, so that the locking arm II rotates anticlockwise, the hook II506 tilts, the hook II506 is separated from the anti-falling inclined plane 301 of the solid clamping table 3, and the plug insulator 1 is axially separated from the socket insulator 2.

A third embodiment of a snap-lock electrical connector of the present invention, as shown in fig. 5 to 6, includes two insulators inserted into each other, that is: a plug insulator 1 and a socket insulator 2.

The plug insulator 1 is provided with a buckle near the socket insulator 2, in the embodiment, the buckle is an inner buckle 7, the inner buckle 7 is of a single cantilever structure, the inner buckle 7 comprises a supporting area III702, a cantilever 701 and a hook III704, the supporting area III702 of the inner buckle 7 is integrally arranged on the plug insulator 1, the cantilever 701 is fixedly connected with the other end of the supporting area III702, and the other end of the cantilever 701 extends towards the socket insulator 2. The tail end of the cantilever 701 is provided with a hook III704, the hook III704 bends upwards, the tail end of the hook III704 is provided with a transition guide area II703, and the transition guide area II703 is a surface inclined inwards along the insertion direction, so that the insertion is convenient on the socket insulator 2.

The socket insulator 2 is provided with a clamping table at the outer side close to one end of the plug insulator 1, in the embodiment, the clamping table is a hollow clamping table 6, the hollow clamping table 6 and the socket insulator 2 are integrally arranged, and the hollow clamping table 6 is provided with a cavity penetrating through the hollow clamping table 6 in the insertion direction.

In the process of plugging the electric connector, the transition guide area II703 firstly contacts the cavity in the hollow clamping table 6, the cantilever 701 elastically deforms, rotates clockwise around the supporting area III702, penetrates into the cavity in the hollow clamping table 6, and returns to the original shape after the plugging is in place, and the clamping hook III704 hooks the other end face of the hollow clamping table 6 to lock the hollow clamping table 6. When unlocking, the cantilever 701 is pressed, the hook III704 is disengaged from the hollow catch 6, and then the plug insulator 1 is axially disengaged from the socket insulator 2.

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

Claims

1. The utility model provides a buckle locking formula electric connector, includes contact, two insulators that mutually insert, its characterized in that: a buckle is arranged on the outer side of one insulator close to the inserting position, the buckle is of a cantilever beam structure, a supporting area connected with the corresponding insulator is arranged on the buckle, and a clamping hook is arranged at one end of the buckle; the other insulator is provided with a clamping table near the outer side of the inserting position, the two insulators are mutually inserted and closed, the buckle rotates around the supporting area under the extrusion action of the clamping table, after the two insulators are inserted and closed in place, the buckle restores to the original shape and enables the hook to be clamped on the clamping table, and in the detaching process, the buckle is pressed to enable the buckle to rotate around the supporting area, and the hook is separated from the clamping table.

2. A snap-lock electrical connector as in claim 1 wherein: the buckle is of a double-cantilever structure, one side of the buckle in the supporting area is a locking arm, the other side of the buckle is an unlocking arm, and the distance between the unlocking arm and the supporting area is larger than the distance between the locking arm and the supporting area.

3. A snap-lock electrical connector as in claim 2 wherein: the buckle is a separated buckle (4), the separated buckle (4) is made of elastic metal sheets, the separated buckle (4) is forcibly arranged on a corresponding insulator through a supporting area I (407) arranged on the separated buckle, one side of the supporting area I (407) of the separated buckle (4) is provided with a locking arm I (401), and the other side of the supporting area I (407) is provided with an unlocking arm I (402); the tail end of the locking arm I (401) is provided with a clamping hook I (406), and after the connector is inserted in place, the clamping hook I (406) is clamped on the clamping table under the action of self restoring force; the tail end of the unlocking arm I (402) is provided with a force application part I (405) for pressing and unlocking, and when the unlocking arm I (402) is disassembled, the force application part I (405) is pressed, and the clamping hook I (406) is separated from the clamping table.

4. A snap-lock electrical connector as in claim 3 wherein: a boss (201) is arranged on the insulator where the separated buckle (4) is located, and a cavity is formed in the boss (201) along the insertion direction; the supporting area I (407) is bent towards the plugging direction and is forcibly arranged in the cavity of the boss (201); the end of the supporting area I (407) is provided with a barb (403) which is convenient to be firmly inserted into the cavity of the boss (201).

5. A snap-lock electrical connector as in claim 3 wherein: the hook I (406) is bent towards the direction away from the insertion direction, and the tail end of the hook I is a locking part (404) which is propped against the clamping table; the force application part I (405) bends and tilts towards the outer side so as to save labor during pressing.

6. A snap-lock electrical connector as in claim 1 wherein: the buckle is an integrated buckle (5) which is integrated with the corresponding insulator, a supporting area II (503) on the integrated buckle (5) is integrated with the corresponding insulator, and one side of the supporting area II (503) of the integrated buckle (5) is provided with a locking arm II (501) and the other side is provided with an unlocking arm II (502); the tail end of the locking arm II (501) is provided with a hook II (506), and after the connector is inserted in place, the hook II (506) is clamped on the clamping table under the action of self restoring force; the tail end of the unlocking arm II (502) is provided with a force application part II (507) for pressing and unlocking, and the force application part II (507) is pressed to separate the clamping hook II (506) from the clamping table.

7. The snap-lock electrical connector of claim 6, wherein: a material removing inclined surface (505) is arranged on one side, close to the insulator, of the force application part II (507) so as to increase the stroke of the unlocking arm II (502); the clamping hook II (506) is provided with a transition guide area I (504) towards the inserting direction so as to be conveniently inserted on another insulator.

8. The snap-lock electrical connector of any of claims 1-7, wherein: the clamping table is a solid clamping table (3), the end face, far away from the inserting position, of one end of the solid clamping table (3) is an anti-falling inclined plane (301), and the anti-falling inclined plane (301) gradually inclines to one side of the other insulator from one end, far away from the corresponding insulator, to one end, close to the insulator.

9. A snap-lock electrical connector as in claim 1 wherein: the buckle is interior buckle (7), and interior buckle (7) are single cantilever structure, and interior buckle (7) include with support district III (702) that correspond the integrative setting of insulator, be connected with support district III (702) and to inserting cantilever (701) that close the direction extension, cantilever (701) terminal with trip III (704) of ka tai joint.

10. A snap-lock electrical connector as in claim 11 wherein: the clamping table is a hollow clamping table (6), a cavity extending along the inserting and combining direction is formed in the hollow clamping table (6), in the inserting and combining process, the clamping hook III (704) elastically deforms and is inserted into the hollow clamping table (6), and the clamping hook III restores the original shape and is clamped at the other end of the hollow clamping table (6) after being inserted and combined in place; the position of the hook III (704) contacted with the hollow clamping table (6) in the inserting process is a transition guide area II (703) convenient for inserting.