CN220440046U

CN220440046U - Anti-drop self-locking socket and plug combined structure

Info

Publication number: CN220440046U
Application number: CN202322155422.3U
Authority: CN
Inventors: 周红亮; 朱献彪; 周国东
Original assignee: Zhejiang Zheyao Tool Manufacturing Co ltd
Current assignee: Zhejiang Zheyao Tool Manufacturing Co ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-02-02
Anticipated expiration: 2033-08-10

Abstract

The utility model discloses an anti-falling self-locking socket and plug combined structure, which comprises a plug and a socket, wherein an inserting groove for inserting the plug into the socket and electrically connecting the socket and the plug is arranged on the socket, an anti-falling self-locking assembly is arranged between the socket and the plug and used for preventing the plug inserted into the inserting groove from falling off, the anti-falling self-locking assembly comprises a first self-locking part arranged on the inner wall of the inserting groove and a self-locking piece arranged on the plug and matched with the first self-locking part for self locking, a containing cavity is arranged in the plug, the self-locking piece is arranged in the containing cavity, one end of the self-locking piece is rotatably connected onto the plug, a second self-locking part is arranged at the other end of the self-locking piece, an elastic piece is connected onto the self-locking piece, and the elastic piece acts on the self-locking piece to drive the self-locking piece to rotate to one side so that the outer wall of the second self-locking part, which extends out of the plug, is clamped with the first self-locking part to form self locking, thereby limiting the plug inserted into the inserting groove from falling off outwards, and preventing the looseness or separation of the plug and the socket caused by shaking or dragging in the use process.

Description

Anti-drop self-locking socket and plug combined structure

Technical Field

The utility model relates to a socket and plug structure, in particular to an anti-falling self-locking socket and plug combined structure.

Background

Existing garden machines such as edge trimmers, trimming machines, hedge trimmers, brush cutters, grass combers, high branch trimmers, leaf sucking machines, mowers, lawn trimmers and the like are used for garden greening, garden construction, and garden maintenance. The mechanical equipment can work only by connecting with a power supply, and the current mode of connecting with the power supply is to plug in the mechanical equipment through a lithium battery pack to supply power as a power supply or to plug in a corresponding socket through a power line plug to connect with the power supply so as to supply power to the electric appliance.

For example, patent CN106538254a discloses a garden tree trimmer, which comprises a direct current gear motor, a housing, an upper handle, a side handle, a bracket, a fixed knife, a serrated chain, a supporting wheel, a power plug, a power line, a storage battery, a brace, a power jack and a power switch, wherein the direct current gear motor is connected with the housing, the housing is connected with the upper handle, the bracket, the power jack and the power switch, the power switch is connected with the direct current gear motor through a wire, the bracket is connected with the side handle, the fixed knife and the supporting wheel, the direct current gear motor is connected with the supporting wheel through the serrated chain from the inside of the housing, the power plug is inserted in the power jack, the power plug is connected with the storage battery through the power line, and the storage battery is connected with the brace.

Because power plug and socket are the structure of pegging graft, find in long-term practical application, mechanical equipment need remove in the operation use and carry out garden operation, shake or the circumstances that pulls appear in the use in the removal in-process easily, under this kind of circumstances, plug and socket easily take place not hard up or break away from to influence normal operation, and plug and socket take place not hard up and easily produce contact failure and the phenomenon of generating heat, still can make the condition such as strike sparks appear between plug and the socket when serious, cause circuit short circuit even, make internal circuit and components and parts burn out.

Disclosure of Invention

Based on the problem that the plug and the socket are loosened due to easy shaking or pulling in the use process, the utility model provides an anti-falling self-locking socket and plug combined structure.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a socket and plug integrated configuration of anticreep auto-lock, includes plug and socket, is equipped with the jack groove that supplies the plug to insert rather than the electricity to be connected on the socket, its characterized in that, be equipped with the anticreep auto-lock subassembly between socket and the plug and be used for preventing to insert the plug in the jack groove and break away from, the anticreep auto-lock subassembly is including establishing first auto-lock portion on the jack groove inner wall and establishing the auto-lock spare with first auto-lock portion cooperation auto-lock on the plug, be equipped with the holding chamber in the plug, the auto-lock spare is settled in the holding intracavity, the rotatable connection of one end of auto-lock spare is on the plug, is equipped with the second auto-lock portion on the other end of auto-lock spare, be connected with the elastic component on the auto-lock spare, the elastic component is used for driving the auto-lock spare to one side rotation to make the outer wall that the second auto-lock portion stretches out the plug and first auto-lock portion joint forms the auto-lock.

The further preferable technical scheme of the utility model is as follows: the self-locking piece can rotate relative to the plug after being pressed, so that the second self-locking part moves into the plug to be unlocked and separated from the first self-locking part.

The further preferable technical scheme of the utility model is as follows: the self-locking piece is provided with a pressing part, the pressing part is exposed outside the plug for pressing by a hand, and the side wall of the plug is provided with an extending opening for extending the pressing part and exposing outside the plug.

The further preferable technical scheme of the utility model is as follows: the pressing part is arranged in the middle of the self-locking piece.

The further preferable technical scheme of the utility model is as follows: the elastic piece is a supporting spring, and the supporting spring is supported on one side of the middle part of the self-locking piece to push the self-locking piece to rotate to one side, so that the second self-locking part can move and extend out of the outer wall of the plug to be clamped and self-locked with the first self-locking part.

The further preferable technical scheme of the utility model is as follows: the self-locking piece is provided with a positioning groove, one end of the supporting spring is inserted into the positioning groove, and the other end of the supporting spring is propped against the inner wall of the accommodating cavity.

The further preferable technical scheme of the utility model is as follows: the first self-locking part is a locking groove/locking hole.

The further preferable technical scheme of the utility model is as follows: the plug comprises a shell, a containing cavity for accommodating the self-locking piece is formed in the shell, the shell comprises a first half shell and a second half shell which are detachably connected, and the first half shell and the second half shell are enclosed to form the containing cavity.

The further preferable technical scheme of the utility model is as follows: the first half shell is in sliding connection with the second half shell, the first half shell is provided with a containing groove, the containing groove is provided with a top notch and a side notch which are communicated with each other, the groove walls on two sides of the containing groove are provided with sliding grooves, the two sides of the second half shell are provided with plug blocks which are in sliding connection with the sliding grooves on the two sides respectively, the second half shell comprises an upper cover plate and a side cover plate, and when the plug blocks on the two sides of the second half shell are respectively inserted into the sliding grooves on the two sides, the upper cover plate and the side cover plate respectively cover the top notch and the side notch of the containing groove to form the containing cavity.

The further preferable technical scheme of the utility model is as follows: the self-locking piece comprises a lock rod, one end of the lock rod is connected with the plug in a rotatable mode as a connecting end, the second self-locking part is a lock tongue arranged at the other end of the lock rod, the front side face of the lock tongue is shorter than the rear side face, so that the lock tongue is exposed out of the plug to form an inclined plane at the top, when the plug moves out of the inserting groove, the rear side face of the lock tongue is used as a supporting surface to be abutted against the first self-locking part to limit the plug to be separated, the rear side face of the lock tongue is a plane, and the pressing part is a pressing protruding block arranged on the same side with the lock tongue.

Compared with the prior art, the socket has the advantages that the anti-falling self-locking assembly is arranged between the socket and the plug and comprises the first self-locking part arranged on the inner wall of the inserting groove and the self-locking part arranged on the plug and matched with the first self-locking part for self locking, the plug is internally provided with the accommodating cavity, the self-locking part is arranged in the accommodating cavity, one end of the self-locking part is rotatably connected to the plug, the other end of the clamping part is provided with the second self-locking part, the self-locking part is connected with the elastic part, the elastic part acts on the self-locking part to drive the self-locking part to rotate to one side, so that the second self-locking part extends out of the outer wall of the plug and is clamped with the first self-locking part to form self locking, the plug inserted into the inserting groove is prevented from being separated outwards, and the problems of loosening or separating of the plug and the socket caused by loosening in the use process are avoided, the ignition and the burning of electronic components caused by loosening are avoided.

Drawings

The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a state diagram of a plug inserted into a receptacle;

FIG. 2 is a schematic diagram illustrating the separation of a plug from a receptacle;

FIG. 3 is a schematic view of a plug;

FIG. 4 is a split view of the first half-shell and the second half-shell;

fig. 5 is a schematic cut-away view of a plug inserted into a receptacle.

In the figure: 1. a socket; 2. a keyway/keyhole; 3. a plug; 4. a pressing part; 5. a plug-in groove; 6. pins; 7. a bolt; 8. a first outlet; 9. a second outlet; 10. a jack; 11. an electrical terminal; 12. an inclined plane; 13. a second half shell; 14. a side cover plate; 15. an upper cover plate; 16. a plug block; 17. a top slot; 18. a side slot; 19. a chute; 20. a first half shell; 21. a receiving groove; 22. a self-locking member; 23. a front side; 24. a rear side; 25. a lock lever; 26. a support spring; 27. a receiving chamber; 28. a positioning groove; 29. a pin hole; 30. a cylindrical pin; 31. and the shaft hole.

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the utility model.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.

The socket and plug combined structure with the anti-falling and self-locking functions is shown in fig. 1-5, and comprises a plug 3 and a socket 1, wherein a plug groove 5 for inserting the plug 3 into and electrically connecting with the socket 1 is formed in the socket 1.

As shown in fig. 2 and 3, preferably, the plug socket 5 is provided with the pins 6, the front end surface of the plug 3 is provided with the insertion holes 10 corresponding to the pins 6, the insertion holes 10 are provided with the electric terminals 11 for electric connection, and when the front end of the plug 3 is inserted into the plug socket 5 to be connected with the socket 1, the pins 6 are inserted into the corresponding insertion holes 10 to be contacted with the electric terminals 11 to form electric connection.

An anti-falling self-locking component is arranged between the socket 1 and the plug 3 and is used for preventing the plug 3 inserted into the inserting groove 5 from falling off.

As shown in fig. 1, 3 and 5, the anti-falling self-locking assembly comprises a first self-locking part arranged on the inner wall of the plugging groove 5 and a self-locking part 22 arranged on the plug 3 and matched with the first self-locking part to realize self locking, a containing cavity 27 is arranged in the plug 3, the self-locking part 22 is arranged in the containing cavity 27, one end of the self-locking part 22 is rotatably connected to the plug 3, a second self-locking part is arranged at the other end of the self-locking part 22, an elastic part is connected to the self-locking part 22, and the elastic part acts on the self-locking part 22 to drive the self-locking part 22 to rotate upwards so that the second self-locking part extends out of the outer wall of the plug 3 to be in clamping connection with the first self-locking part to form self locking.

The outer side wall of the plug 3 is provided with a first extending port 8 for extending the first self-locking part, and the first extending port 8 is communicated with the accommodating cavity 27.

Preferably, the first self-locking part is a locking groove/locking hole 2 arranged on the inner wall of the inserting groove 5, and the second self-locking part is inserted into the locking groove/locking hole 2 to be in clamping fit with the locking groove/locking hole 2 by extending out of the outer side wall of the plug 3.

In addition, the self-locking member 22 can rotate relative to the plug 3 after being pressed, so that the second self-locking portion can move into the plug 3 to be unlocked and separated from the first self-locking portion.

Preferably, the self-locking member 22 is provided with a pressing portion 4, the pressing portion 4 is exposed outside the plug 3 for pressing by a hand, and the outer side wall of the plug 3 is provided with a second extending opening 9 for extending the pressing portion 4 and exposing outside the plug 3. The second outlet opening 9 communicates with the receiving chamber 27.

The user can make the auto-lock 22 rotate downwards through pushing down pressing portion 4, and the in-process second auto-lock portion that auto-lock 22 rotated downwards along with auto-lock 22 when auto-lock 22, and when second auto-lock portion removed from keyway/lockhole 2, second auto-lock portion was not limiting plug 3 to remove outward jack groove 5, and the user can pull out plug 3 from jack groove 5 on the socket 1.

Preferably, the pressing portion 4 is disposed in the middle of the self-locking member 22, so as to be convenient for pressing the force downwards, so as to rotate the self-locking member 22 downwards.

Specifically, the self-locking piece 22 includes locking lever 25, the rotatable connection of inner wall in locking lever 25's one end and holding chamber 27 both sides is passed through cylindric lock 30 as the link, second self-locking portion is for setting up the spring bolt 7 on locking lever 25 other end, spring bolt 7 is fixed on the upside of locking lever 25, the leading flank 23 of spring bolt 7 is shorter than trailing flank 24, make the top that spring bolt 7 exposes in the plug 3 outside be inclined plane 12 downwards, the trailing flank 24 of spring bolt 7 is the plane, press portion 4 is the push down lug that sets up in the homonymy with spring bolt 7, push down the lug and fix on the upside of locking lever 25, be equipped with on the upper sidewall of plug 3 and supply spring bolt 7 and push down the first outlet 8 and the second outlet 9 that the lug stretches out respectively.

Specifically, pin holes 29 are formed in the plug 3, the pin holes 29 penetrate through side walls on two sides of the plug 3, the pin holes 29 penetrate through the accommodating cavity 27, shaft holes 31 are formed in the connecting end of the lock rod 25 and used for allowing cylindrical pins 30 to penetrate through, when the self-locking piece 22 is installed, the shaft holes 31 in the connecting end of the lock rod 25 are opposite to the pin holes 29 on two sides, then the cylindrical pins 30 penetrate through the pin holes 29 and the shaft holes 31, and the cylindrical pins 30 serve as connecting shafts to rotatably connect the lock rod 25 with the plug 3.

Preferably, the elastic member is a supporting spring 26, and the supporting spring 26 is supported at the lower side of the middle part of the self-locking member 22 to push the self-locking member 22 to rotate upwards, so that the second self-locking portion can rotate upwards around the rotation point of the self-locking member 22 and extend out of the upper side wall of the plug 3 from the first extending port 8 for clamping and self-locking with the first self-locking portion.

Preferably, the self-locking member 22 is provided with a positioning groove 28, one end of the supporting spring 26 is inserted into the positioning groove 28, the other end of the supporting spring 26 abuts against the inner wall of the accommodating cavity 27, and the positioning groove 28 positions the supporting spring 26, so that the supporting spring 26 is prevented from moving to influence normal locking in the use process.

When the plug 3 is not inserted into the socket 1, the supporting spring 26 is supported below the self-locking member 22, the elastic force of the supporting spring 26 acts on the self-locking member 22 to push the self-locking member 22 to rotate upward around the rotation point, and the supporting spring 26 presses the self-locking member 22 against the top cavity wall of the accommodating cavity 27, so that the second self-locking portion and the pressing portion 4 are maintained in a state of protruding from the upper side wall of the plug 3.

As shown in fig. 5, when the plug 3 is required to be inserted into the socket 1 to be electrically connected with the socket 1, the front end of the plug 3 is inserted into the insertion groove 5, during the process of inserting the plug 3 into the insertion groove 5, the upper edge of the notch of the insertion groove 5 is contacted with the inclined surface 12 at the top of the lock tongue 7, and the lock tongue 7 is pushed into the first extension opening 8 along the inclined surface 12, so that the plug 3 can move inwards, when the plug 3 moves inwards to a position where the position of the lock tongue 7 is opposite to the lock groove/lock hole 2, the supporting spring 26 pushes the self-locking member 22 to rotate upwards to reset, so that the lock tongue 7 extends out from the first extension opening 8 and is inserted into the lock groove/lock hole 2, at this time, the pin 6 in the insertion groove 5 is inserted into the corresponding jack 10 on the front end surface of the plug 3, the pin 6 is contacted with the electric terminal 11 in the jack 10 to form an electric connection, and the lock tongue 7 is clamped with the lock groove/lock hole 2 to limit the plug 3 to be separated from the insertion groove 5 outwards, so that the plug 3 is prevented from shaking or dragging during use, and the plug 3 and the socket 1 is prevented from loosening or disengaging. The inclined plane 12 at the top of the lock tongue 7 is convenient for the lock tongue 7 to enter the first outlet 8 in the process of inserting the plug 3 into the inserting groove 5, and the pressing part 4 does not need to be pressed downwards to enable the lock tongue 7 to enter the first outlet 8. When the plug 3 is inserted into the socket 1, the pressing portion 4 is located outside the socket 1 for pressing by a user.

When the plug 3 moves out of the inserting groove 5 due to shaking or dragging in the use process, the rear side 24 of the lock tongue 7 is used as a propping surface to be propped against the inner wall surface of the locking groove/locking hole 2 to limit the separation of the plug 3, and the rear side 24 of the lock tongue 7 is a plane to better limit the separation of the plug 3.

When the plug 3 is required to be pulled out, the lock tongue 7 at the end part of the self-locking piece 22 can be retracted into the first extending port 8 by pressing the pressing protruding block exposed outside the plug 3, and at the moment, the lock tongue 7 moves out of the locking groove/locking hole 2 to be separated from the locking groove/locking hole 2 to be clamped, so that unlocking is completed, the lock tongue 7 does not limit the pulling out of the plug 3, and the plug 3 can be pulled out outwards.

Preferably, the plug 3 is a delta plug 3, and the shape of the inserting groove 5 is matched with that of the plug 3.

In addition, as shown in fig. 4, the plug 3 includes a housing, in which a receiving cavity 27 for receiving the self-locking member 22 is provided, the housing includes a first half shell 20 and a second half shell 13 that are detachably connected, and the first half shell 20 and the second half shell 13 enclose the receiving cavity 27.

Preferably, the first half shell 20 is slidably inserted into the second half shell 13, the first half shell 20 is provided with a containing groove 21, the containing groove 21 is provided with a top notch 17 and a side notch 18 which are communicated with each other, the groove walls on two sides of the containing groove 21 are provided with sliding grooves 19, two sides of the second half shell 13 are provided with inserting blocks 16 which are slidably inserted into the sliding grooves 19 on two sides respectively, the second half shell 13 comprises an upper cover plate 15 and a side cover plate 14, and when the inserting blocks 16 on two sides of the second half shell 13 are inserted into the sliding grooves 19 on two sides respectively, the upper cover plate 15 and the side cover plate 14 cover the top notch 17 and the side notch 18 of the containing groove 21 respectively so as to form the containing cavity 27.

The pin hole 29 and the second outlet 9 are disposed on the second half shell 13, one end of the lock rod 25 is rotatably mounted on the second half shell 13 through a cylindrical pin 30, the second half shell 13 is used as a mounting seat for the self-locking member 22, the self-locking member 22 and the second half shell 13 are connected into a whole, and the whole is connected with the first half shell 20, so that the plug 3 can be mounted.

The arrangement of the housing in the first half-shell 20 and the second half-shell 13 facilitates the insertion of the self-locking element 22 and the support spring 26 into the housing cavity 27.

The first half shell 20 is tightly connected with the second half shell 13 in a plugging manner, and after the installation is completed, the rear part of the plug 3 can be encapsulated to be connected with a power line, and the encapsulation also plays a role in fixing the first half shell 20 and the second half shell 13.

The socket 1 can be arranged on the garden machine equipment, and the garden machine equipment is electrified with an external power supply through the connection of the plug 3 and the socket 1.

The above description has been made of the combination structure of the socket and the plug, which is provided by the utility model, and specific examples are applied to describe the principle and the implementation of the utility model, and the description of the above examples is only used to help understand the utility model and the core idea. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a socket and plug integrated configuration of anticreep auto-lock, includes plug and socket, is equipped with the jack groove that supplies the plug to insert rather than the electricity to be connected on the socket, its characterized in that, be equipped with the anticreep auto-lock subassembly between socket and the plug and be used for preventing to insert the plug in the jack groove and break away from, the anticreep auto-lock subassembly is including establishing first auto-lock portion on the jack groove inner wall and establishing the auto-lock spare with first auto-lock portion cooperation auto-lock on the plug, be equipped with the holding chamber in the plug, the auto-lock spare is settled in the holding intracavity, the rotatable connection of one end of auto-lock spare is on the plug, is equipped with the second auto-lock portion on the other end of auto-lock spare, be connected with the elastic component on the auto-lock spare, the elastic component is used for driving the auto-lock spare to one side rotation to make the outer wall that the second auto-lock portion stretches out the plug and first auto-lock portion joint forms the auto-lock.

2. The combination structure of a socket and a plug according to claim 1, wherein the self-locking member can rotate relative to the plug after being pressed, so that the second self-locking portion moves into the plug to be unlocked and disengaged from the first self-locking portion.

3. The anti-falling self-locking socket and plug combined structure according to claim 2, wherein the self-locking piece is provided with a pressing part, the pressing part is exposed outside the plug for pressing by a hand, and the side wall of the plug is provided with an extending opening for extending the pressing part and exposing outside the plug.

4. The combination of a socket and a plug with self-locking function according to claim 3, wherein the pressing portion is disposed at a middle portion of the self-locking member.

5. The anti-drop self-locking socket and plug combination structure according to claim 1, wherein the elastic member is a supporting spring, and the supporting spring is supported on one side of the middle part of the self-locking member to push the self-locking member to rotate to one side, so that the second self-locking portion can move and extend out of the outer wall of the plug to be clamped and self-locked with the first self-locking portion.

6. The anti-drop self-locking socket and plug combination structure according to claim 5, wherein the self-locking member is provided with a positioning groove, one end of the supporting spring is inserted into the positioning groove, and the other end of the supporting spring is propped against the inner wall of the accommodating cavity.

7. The combination of a socket and a plug according to claim 1, 2 or 5, wherein the first self-locking portion is a locking groove/locking hole.

8. The anti-drop self-locking socket and plug combination structure according to claim 1, wherein the plug comprises a housing, a containing cavity for containing the self-locking member is arranged in the housing, the housing comprises a first half shell and a second half shell which are detachably connected, and the first half shell and the second half shell are enclosed to form the containing cavity.

9. The anti-drop self-locking socket and plug combination structure according to claim 8, wherein the first half shell is slidably inserted into the second half shell, the first half shell is provided with a containing groove, the containing groove is provided with a top notch and a side notch which are communicated with each other, sliding grooves are formed in two side groove walls of the containing groove, inserting blocks which are slidably inserted into the two side sliding grooves respectively are arranged on two sides of the second half shell, the second half shell comprises an upper cover plate and a side cover plate, and when the inserting blocks on two sides of the second half shell are inserted into the two side sliding grooves respectively, the upper cover plate and the side cover plate cover the top notch and the side notch of the containing groove respectively to form the containing cavity.

10. The combination structure of a socket and a plug with anti-falling and self-locking functions according to claim 3, wherein the self-locking member comprises a locking rod, one end of the locking rod is rotatably connected with the plug as a connecting end, the second self-locking portion is a locking bolt arranged at the other end of the locking rod, the front side surface of the locking bolt is shorter than the rear side surface, so that the locking bolt is exposed out of the plug to form an inclined surface at the top, when the plug moves out of the plugging groove, the rear side surface of the locking bolt is used as a abutting surface to abut against the first self-locking portion for limiting the plug to be separated, the rear side surface of the locking bolt is a plane, and the pressing portion is a pressing projection arranged at the same side with the locking bolt.