CN209823009U

CN209823009U - Self-locking mechanism of sound box connector

Info

Publication number: CN209823009U
Application number: CN201920905189.7U
Authority: CN
Inventors: 丁宪国
Original assignee: Zhongshan Puxiang Electronic Co Ltd
Current assignee: Zhongshan Puxiang Electronic Co Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2019-12-20
Anticipated expiration: 2029-06-17

Abstract

The utility model belongs to the technical field of the audio amplifier plug, especially, be a self-locking mechanism of audio amplifier connector, including plug and socket, be provided with intubate and center post on the plug, the center post is located the intubate, fixed cover is equipped with solid fixed ring on the outer wall of intubate, set up a plurality of circular recesses that are the annular and distribute on solid fixed ring's the outer wall, slidable mounting has the card post in the circular recess, the card post is kept away from the one end of center post and is extended to outside the circular recess, the circular recess is close to the one end of fixedly connected with spring on one side inner wall of center post, the other end and the card post fixed connection of spring, be provided with the endothec. The utility model discloses the practicality is high, in normal use, and plug and socket can reliably be auto-locked, satisfy the use, and audio line on the plug receives when the people is pulled for the mistake, but the plug automatic tripping, can effectively avoid audio line fracture and plug damage to appear.

Description

Self-locking mechanism of sound box connector

Technical Field

The utility model relates to a speaker plug technical field especially relates to a self-locking mechanism of audio amplifier connector.

Background

The sound box is a terminal of the whole sound system, which is used for converting audio frequency electric energy into corresponding sound energy and radiating the sound energy to a space, and is used for converting an electric signal into a sound signal for direct listening by ears of people.

Among the prior art, application number is 201420342306.0's a sound box connector, the connector includes first joint (1) and second joint (2), install elastic expansion part (3) on first joint (1), locking part (31) have on elastic expansion part (3), be provided with on first joint (1) insertion part (14), be provided with stop part on insertion part (14), stop part with locking part (31) have the contained angle, perpendicular groove has on the inner wall that second joint (2), still be provided with on the inner wall that second joint (2) with perpendicular groove intercommunication and with perpendicular groove looks vertically draw-in groove (23). Although the utility model discloses an installation is very convenient with the dismantlement, also make first joint and second joint contact inseparabler, but the audio amplifier connector's that its set up self-locking mechanism can't make first joint receive external force pull the time automatic with the second joint separation, in the in-service use, audio amplifier audio line can receive artificial mistake sometimes and drag, the first power of pulling that receives in the twinkling of an eye can be very big, if first joint can not automatic release under this kind of condition, then can cause the condition that audio line fracture or first joint damaged, for this reason, a audio amplifier connector's self-locking mechanism is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a self-locking mechanism of a sound box connector.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a self-locking mechanism of audio amplifier connector, includes plug and socket, be provided with intubate and center post on the plug, the center post is located the intubate, fixed cover is equipped with solid fixed ring on the outer wall of intubate, gu set up a plurality of circular recesses that are the annular and distribute on fixed ring's the outer wall, slidable mounting has the card post in the circular recess, the one end that the center post was kept away from to the card post extends to outside the circular recess, the one end of fixedly connected with spring on the one side inner wall that the circular recess is close to the center post, the other end and the card post fixed connection of spring, be provided with the endotheca in the socket, fixedly connected with snap ring on the socket, ring groove has been seted up on the inner wall of.

Preferably, two sliding grooves are formed in the inner wall of the circular groove, two sliding blocks are symmetrically and fixedly connected to the outer wall of the clamping column, and the two sliding blocks are in sliding connection with the corresponding sliding grooves.

Preferably, two limit blocks are fixedly connected to the plug, and the two limit blocks are symmetrically arranged.

Preferably, two limiting grooves are formed in the outer wall of one side, close to the plug, of the clamping ring, and the two limiting grooves are matched with the two limiting blocks respectively.

Preferably, one end of the clamping column, which is positioned outside the circular groove, is of a hemispherical structure.

Preferably, the horizontal section of the annular clamping groove is in an isosceles trapezoid shape.

Compared with the prior art, the beneficial effects of the utility model are that: the device is characterized in that two limit blocks on the plug are respectively aligned to two limit grooves on a clamp ring on the socket through the matching of the plug, the socket, the cannula, a fixing ring, limit blocks, a circular groove, clamp columns, a spring, the clamp ring, an annular clamp groove and the limit grooves, the plug is pushed slightly, the two limit blocks can respectively enter the two limit grooves, the fixing ring can enter the clamp ring, and one end of each clamp column, which is positioned on the outer side of the circular groove, is of a hemispheroid structure, so that the clamp columns can return to the circular groove after being contacted with the clamp ring, the spring can store elastic potential energy after being extruded, and the hemispheroid ends of a plurality of clamp columns can all enter the annular clamp groove under the action of the spring after the fixing ring is contacted with the socket to form self-locking, so that the plug can be always reliably connected with the socket under the condition that external force is; when audio lines on the plug are dragged by human errors, the clamping columns can return to the corresponding circular grooves under the action of the inclined planes of the annular clamping grooves, and the plug can be separated from the socket to avoid audio line breakage.

The utility model discloses the practicality is high, in normal use, and plug and socket can reliably be auto-locked, satisfy the use, and audio line on the plug receives when the people is pulled for the mistake, but the plug automatic tripping, can effectively avoid audio line fracture and plug damage to appear.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a right side view of the plug of the present invention;

fig. 4 is a top view of the snap ring of the present invention.

In the figure: 1. a plug; 2. a socket; 3. inserting a tube; 4. a central column; 5. a fixing ring; 6. a limiting block; 7. a circular groove; 8. clamping the column; 9. a spring; 10. an inner sleeve; 11. a snap ring; 12. an annular neck; 13. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a self-locking mechanism of a sound box connector comprises a plug 1 and a socket 2, wherein an insertion tube 3 and a central column 4 are arranged on the plug 1, the central column 4 is positioned in the insertion tube 3, a fixing ring 5 is fixedly sleeved on the outer wall of the insertion tube 3, a plurality of circular grooves 7 distributed in an annular shape are formed in the outer wall of the fixing ring 5, clamping columns 8 are arranged in the circular grooves 7 in a sliding mode, one ends, far away from the central column 4, of the clamping columns 8 extend out of the circular grooves 7, one ends, close to the central column 4, of the circular grooves 7 are fixedly connected with one ends of springs 9, the other ends of the springs 9 are fixedly connected with the clamping columns 8, inner sleeves 10 are arranged in the socket 2, clamping rings 11 are fixedly connected to the socket 2, annular clamping grooves 12 are formed in the inner walls;

the inner wall of the circular groove 7 is provided with two sliding grooves, the outer wall of the clamping column 8 is symmetrically and fixedly connected with two sliding blocks which are both in sliding connection with the corresponding sliding grooves, the plug 1 is fixedly connected with two limit blocks 6 which are symmetrically arranged, the outer wall of one side of the clamping ring 11 close to the plug 1 is provided with two limit grooves 13, the two limit grooves 13 are respectively matched with the two limit blocks 6, one end of the clamping column 8, which is positioned at the outer side of the circular groove 7, is of a hemispherical structure, the horizontal section of the annular clamping groove 12 is of an isosceles trapezoid shape, the two limit blocks 6 on the plug 1 are respectively aligned with the two limit grooves 13 on the clamping ring 11 on the socket 2 through the matching of the plug 1, the socket 2, the inserting pipe 3, the fixing ring 5, the limit blocks 6, the circular groove 7, the clamping column 8, the spring 9, the clamping ring 11, the annular clamping, the two limiting blocks 6 can enter the two limiting grooves 13 respectively, the fixing ring 5 can enter the clamping ring 11, and because one end of the clamping column 8, which is positioned outside the circular groove 7, is of a hemispheroid structure, after the clamping column 8 is contacted with the clamping ring 11, the clamping column 8 can return to the circular groove 7, the spring 9 is extruded to store elastic potential energy, after the fixing ring 5 is contacted with the socket 2, the hemispheroid ends of the clamping columns 8 can enter the annular clamping groove 12 under the action of the spring 9 to form self-locking, so that the plug 1 can be always reliably connected with the socket 2 under the condition of small external force; when the audio cable on the plug 1 is dragged by human error, the plurality of clamping columns 8 can return to the corresponding circular grooves 7 under the action of the inclined surfaces of the annular clamping grooves 12, and the plug 1 can be separated from the socket 2, so that the audio cable is prevented from being broken; the utility model discloses the practicality is high, in normal use, and plug 1 and socket 2 can reliably auto-lock, satisfies the use, and when audio line on plug 1 received the people for the mistake and pulls, plug 1 automatic tripping can effectively avoid audio line fracture and plug 1 to damage to appear.

The working principle is as follows: the number of the clamping columns 8 is 6-8;

when the utility model is connected, two limit blocks 6 on the plug 1 are respectively aligned with two limit grooves 13 on a snap ring 11 on the socket 2, then the plug 1 is pushed slightly hard, the two limit blocks 6 can respectively enter the two limit grooves 13, the inserting tube 3 can enter the socket 2, the central column 4 can enter an inner sleeve 10, along with the continuous propulsion of the plug 1, a fixing ring 5 can enter the snap ring 11, because one end of the snap ring 8, which is positioned at the outer side of the circular groove 7, is of a hemispheroid structure, after the snap ring 8 is contacted with the snap ring 11, the tangential resistance of the snap ring 11 to the snap ring 8 can be changed into the thrust to the snap ring 8, so the snap ring 8 can return to the circular groove 7, the spring 9 is extruded to store elastic potential energy, after the fixing ring 5 is contacted with the socket 2, a plurality of snap rings 8 can move to the annular clamping groove 12, at this time, because the snap ring 8 loses the limitation, under the action of the spring, the clamping columns 8 can be restored to the initial state, the hemispherical body ends of the clamping columns 8 can enter the annular clamping groove 12 to form self-locking, and therefore the plug 1 can be always reliably connected with the socket 2 under the condition of not bearing external force;

when audio line on plug 1 received artificial mistake and pulls, plug 1 can receive great traction force, because the horizontal interface of ring groove 12 is trapezoidal, so plug 1 receives behind great traction force, and a plurality of card posts 8 can return to corresponding circular recess 7 under the effect on ring groove 12 inclined plane, and plug 1 then can separate with socket 2, avoids the audio line fracture.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a self-locking mechanism of audio amplifier connector, includes plug (1) and socket (2), its characterized in that: an insertion pipe (3) and a center column (4) are arranged on the plug (1), the center column (4) is located in the insertion pipe (3), a fixing ring (5) is fixedly sleeved on the outer wall of the insertion pipe (3), a plurality of circular grooves (7) distributed in an annular shape are formed in the outer wall of the fixing ring (5), clamping columns (8) are arranged in the circular grooves (7) in a sliding mode, one ends, far away from the center column (4), of the clamping columns (8) extend out of the circular grooves (7), one ends, close to the center column (4), of the circular grooves (7) are fixedly connected with one ends of springs (9), the other ends of the springs (9) are fixedly connected with the clamping columns (8), an inner sleeve (10) is arranged in the socket (2), clamping rings (11) are fixedly connected to the socket (2), and annular clamping grooves (12) are formed in the inner walls of the clamping rings (11), and the annular clamping groove (12) is matched with the clamping column (8).

2. The self-locking mechanism of the sound box connector according to claim 1, characterized in that: two sliding grooves are formed in the inner wall of the circular groove (7), two sliding blocks are symmetrically and fixedly connected to the outer wall of the clamping column (8), and the two sliding blocks are connected with the corresponding sliding grooves in a sliding mode.

3. The self-locking mechanism of the sound box connector according to claim 1, characterized in that: two limiting blocks (6) are fixedly connected to the plug (1), and the two limiting blocks (6) are symmetrically arranged.

4. The self-locking mechanism of the sound box connector according to claim 1, characterized in that: two limiting grooves (13) are formed in the outer wall of one side, close to the plug (1), of the clamping ring (11), and the two limiting grooves (13) are matched with the two limiting blocks (6) respectively.

5. The self-locking mechanism of the sound box connector according to claim 1, characterized in that: one end of the clamping column (8) positioned at the outer side of the circular groove (7) is of a hemispherical structure.

6. The self-locking mechanism of the sound box connector according to claim 1, characterized in that: the horizontal section of the annular clamping groove (12) is isosceles trapezoid.