WO2023184677A1

WO2023184677A1 - Socket with lock catch

Info

Publication number: WO2023184677A1
Application number: PCT/CN2022/094030
Authority: WO
Inventors: 罗伊轩
Original assignee: 杭州大姿科技有限公司
Priority date: 2022-03-31
Filing date: 2022-05-20
Publication date: 2023-10-05
Also published as: CN114824945A

Abstract

Disclosed in the present invention is a socket with a lock catch. The socket comprises an inner core and an upper cover. A plurality of inserting slots are formed in one end of the inner core. The upper cover is sleeved at the end of the inner core provided with the inserting slots and is rotatably connected to the inner core, and a lock catch is provided at the other end of the inner core. One end of the lock catch is rotatably connected to the inner core and is provided with a spring and an acting block. The spring is located on one side of the lock catch and located on a rotating plane of the lock catch with respect to the inner core. The lock catch is elastically connected to the inner core by means of the spring. An inserting block is provided on the other end of the lock catch. One end of the inserting block is fixedly connected to one side of the lock catch, and the other end of the inserting block penetrates through the side wall of the inner core to be located in one of the inserting slots. The acting block is fixedly connected to the other side corresponding to the lock catch. An arc-shaped side plate I is provided on the upper cover. One end of the arc-shaped side plate I is fixedly connected to the edge of the upper cover, and the other end of the arc-shaped side plate I is in contact with the acting block to drive the lock catch to rotate. The present invention has the beneficial effects of improving the matching tightness of a plug and the socket, and it is convenient to plug and unplug.

Description

A socket with a lock

Technical field

The present invention relates to the technical field related to sockets, and in particular, to a socket with a lock.

Background technique

Socket, also known as power socket, switch socket. A socket refers to a socket into which one or more circuit wirings can be inserted, through which various wirings can be inserted. This makes it easier to connect to other circuits. Through the connection and disconnection between lines and copper parts, the final connection and disconnection of this part of the circuit is achieved.

The Chinese patent publication number is CN108023197A, and the publication date is May 11, 2018. It discloses a socket and a plug and socket device using the socket, including a socket bottom cover, a socket sealing ring and a socket top cover; the inside of the socket bottom cover A socket nut is provided, and an opening is provided on the top cover of the socket at a position corresponding to the socket nut. The socket nut is connected with a bolt through the opening, so that the socket bottom cover, socket sealing ring and socket The top covers are fixedly connected; the top cover of the socket is provided with at least two sockets and a socket groove, and the socket groove surrounds all the sockets.

The shortcomings of the above-mentioned patents are that the plug and jack are inserted into the socket and the connection is mainly achieved through friction. On the one hand, the user needs to overcome a large friction force to insert and pull out the plug, which is inconvenient to use. On the other hand, after a long period of time, Over time, using the above method can easily cause the plug and jack to become less and less tight, resulting in looseness, resulting in poor line contact.

Contents of the invention

The present invention is to overcome the shortcoming in the prior art that the fit between the plug and the socket is not tight enough, and provides a socket with a lock that can improve the tightness of the fit between the plug and the socket.

In order to achieve the above objects, the present invention adopts the following technical solutions:

A socket with a lock, which includes an inner core and an upper cover. One end of the inner core is provided with several plug-in slots. The upper cover is sleeved on one end of the inner core and connected with the inner core. The core is rotationally connected, and the other end of the inner core is provided with a lock. One end of the lock is rotationally connected to the inner core and is provided with a spring and an action block. The spring is located on one side of the lock and is located relative to the lock. On the rotation plane of the inner core, the lock buckle is elastically connected to the inner core through a spring. The other end of the lock buckle is provided with an insert block. One end of the insert block is fixedly connected to one side of the lock catch. The insert block The other end penetrates the side wall of the inner core and is located in one of the plug-in slots. The action block is fixedly connected to the other side corresponding to the lock. The upper cover is provided with an arc-shaped side plate. The arc-shaped side plate One end of the side plate is fixedly connected to the edge of the upper cover, and the other end of the arc-shaped side plate is in contact with the action block to drive the lock to rotate. For the plug used in the present invention, one of the pins of the plug is provided with a lock hole that matches the plug; in the initial state, according to the lever principle, the spring acts on one end of the lock, causing the plug on the other end of the lock to Located in one of the plug-in slots, at the same time, the action block is in contact with the end of the arc-shaped side plate one; when the pin with the lock hole is inserted into the plug-in slot, the plug block on the lock is located in the plug-in slot One end of the plug slides into the lock hole through the side of the plug under the force of the spring, so that the plug is locked. The invention realizes the connection between the plug and the socket through the lock, thereby achieving the purpose of improving the tightness of the plug and the socket. ; At the same time, when the plug needs to be pulled out, the user only needs to rotate the inner core to a certain angle, so that the inner core drives the action block on the lock to rotate synchronously, and the action block rotates relative to the end of the arc-shaped side plate. The action block is always in contact with the end of the arc-shaped side plate 1 under the action of the spring. Therefore, during the rotation of the inner core, as long as the end of the arc-shaped side plate 1 acts on the action block, the lock will rotate outward and drive the action block. Once the plug is separated from the lock hole, the plug can be pulled out. After pulling out the plug, the inner core will be reset under the action of the spring. The whole process can be plugged and pulled out of the plug and socket without overcoming a large amount of friction, which saves time, effort, and is convenient. Fast.

Preferably, the other end of the arc-shaped side plate is provided with a convex plate 1, one end of the convex plate 1 is fixedly connected to the arc-shaped side plate 1, and the other end side of the convex plate 1 is provided with a transition slope, so The other end surface of the convex plate 1 is connected with the other end surface of the arc-shaped side plate 1 through a transition slope to form a resistance surface that contacts the action block. In the initial state, the action block is in contact with the end surface of the arc-shaped side plate 1; when the plug needs to be pulled out, when the user rotates the inner core to a certain angle, the inner core drives the action block on the lock buckle to rotate synchronously through the transition slope. On the end surface of the protruding plate one, during this process, due to the influence of the resistance surface, the spring is gradually compressed, and the lock gradually rotates toward the outside of the plug slot, and finally drives the plug to completely separate from the lock hole, making it easier for the user to pull out the plug more conveniently and quickly. Plug out, easy to operate.

Preferably, the inner core includes a back cover and a rotating housing. The upper cover is sleeved on the outer wall of one end of the rotating housing and is rotationally connected to the rotating housing. The open end of the plug-in slot is located on the rotating housing. On the end face of one end, the other end of the rotating housing is detachably connected to the back cover. The plug-in slot is composed of the rotating case and the back cover. A conductive clamping piece is provided in the plug-in slot. One end of the conductive clamping piece is provided with a clamping part, and the clamping part is located in the plug-in slot. The other end of the conductive clamping piece is provided with a wiring part, and the wiring part penetrates the back cover and is located outside the plug-in slot. The side wall of one of the plug-in slots is provided with a notch one that matches the lock catch, and the conductive clamping piece inside the plug-in slot is provided with a notch two corresponding to the notch one, and the lock catches are respectively located in the notch one. It is rotatably connected to the side wall of notch two and inside notch two. The side wall of the back cover is provided with a U-shaped groove that is connected with notch one and notch two respectively. One end of the lock is located at the opening of the U-shaped groove. The end is elastically connected to the bottom of the U-shaped groove through a spring. The other end of the plug-in block passes through notch one and notch two in sequence and is located in the clamping part and is provided with a guide slope. On the premise that the locking function can be realized, the locks are located in notch one and notch two respectively, and the spring is arranged in the U-shaped groove, which is beneficial to reducing the volume of the socket and saving space; the pins on the plug are inserted into the clip During the process of inserting the plug into the holding part, the guide slope plays a good guiding role for the insert block to gradually overcome the force of the spring and transition into the lock hole through the side of the plug pin.

Preferably, a rotation shaft is fixed on the side wall of the notch 2, and a rotation hole matching the rotation shaft is provided on the lock buckle. The lock buckle matches the rotation shaft through the rotation hole and is rotatably connected to the gap 2. . The rotating shaft matches the rotating hole and forms the fulcrum for the lock to rotate, so that during the rotation of the inner core, the arc-shaped side plate or the force of the spring causes the lock to rotate around the fulcrum to lock the plug and socket. , unlocking and inner core reset functions, simple structure.

Preferably, the upper cover is provided with a through hole that matches the rotating housing. The rotating housing is rotationally connected to the through hole. A limiting boss is fixed on the inner wall of the through hole. The limiting boss is An arc-shaped opening is provided on the table. The rotating housing is located in the through hole and one end thereof is limited to the limiting boss. One end of the rotating housing is provided with a limiting plate concentric with the arc-shaped opening. The limiting plate The positioning plate is fixedly connected to the side wall of the rotating housing. The positioning plate is located in the arc-shaped opening. The central angle corresponding to the positioning plate is smaller than the central angle corresponding to the arc-shaped opening. The limit plate is limited in the arc-shaped opening of the limit boss, so that when the inner core rotates within a certain angle range, it prevents the action block on the lock from breaking away from the resistance surface and losing the locking function, which is beneficial to extending the validity period of the socket locking function. .

Preferably, the first arc-shaped side plate is located on one side of the upper cover, the other side of the upper cover is provided with a second arc-shaped side plate, and the inner core is located between the first arc-shaped side plate and the second arc-shaped side plate. During this time, one end of the two arc-shaped side plates is fixedly connected to the upper cover, and the other end of the two arc-shaped side plates is fixed with a triangular convex plate 2. The left and right sides of the two convex plates face the arc-shaped sides respectively. The end surfaces of the two plates are evenly transitioned and together form a stop surface. A stop bar is provided on the side wall of the back cover and is in contact with the stop surface. The two ends of the stop bar are respectively fixed to the side walls of the back cover. The middle part of the stop bar protrudes toward the second convex plate to form a V-shaped structure, and the raised part on the stop bar contacts the stop surface. One side of the arc-shaped opening is close to the convex plate 2, and the other side of the arc-shaped opening is away from the convex plate 2. In the initial state, the side of the arc-shaped opening away from the convex plate 2 and the convex plate 2 together form a restricted area, so that The convex parts on the limit plate and the stop bar are both located in the restricted area, and the limit plate is in contact with the side of the arc-shaped opening away from the convex plate 2. At the same time, the convex part on the stop bar is located in the arc. The end surface of the second side plate is in contact with one side of the protruding plate two, so that the inner core is well limited without external force and is not easy to rotate; when the plug needs to be pulled out, the user needs to rotate the inner core. core, causing the limit plate to rotate toward the side of the arc-shaped opening close to the protruding plate 2. At the same time, because the stop bar is arranged overhead on the side wall of the back cover, the stop bar has a certain degree of elasticity, which facilitates the stop bar. The raised part on the stop bar overcomes the resistance and rotates to the other side of the raised plate 2. Therefore, the user will feel a certain sense of resistance when rotating the inner core. When the resistance feeling is eliminated, it means that the raised part on the stop bar has rotated. When you reach the other side of the second protruding plate, the plug block has completely separated from the lock hole. The user only needs to pull out the plug. It has a good indication function and prevents misoperation.

Preferably, a plurality of mounting ears are provided on the edge of the upper cover. The first and second arc-shaped side plates are located between the plurality of mounting ears. The mounting ears are fixedly connected to the upper cover and formed into one body. , the mounting ears are provided with mounting holes to facilitate the installation and fixation of the socket.

As another preference, the upper cover is provided with a cylinder, the first arc-shaped side plate and the second arc-shaped side plate are located in the cylinder, and one end of the cylinder is fixedly connected to and formed integrally with the edge of the upper cover. , the other end of the cylinder is provided with two stuffy covers. The two stuffy covers are located on both sides of the cylinder to close the ends of the cylinder. The stuffy covers are detachably connected to the cylinder, and one of the stuffy covers is connected to the cylinder. The connection point of another stuffy cover is connected with several wiring blocks one corresponding to the wiring part. One end of the wiring block one is located inside the barrel, and the other end of the wiring block one is located outside the barrel. The conductive clip The wiring portion on the holding piece is electrically connected to one end of the corresponding wiring block located in the barrel through a wire. According to different usage scenarios, the inner core is located in the cylinder and closed by a stuffy cover, so that the structure of the inner core is not exposed, which plays a very good role in protecting the inner core. At the same time, the installation design of the stuffy cover and the wiring block is conducive to Installation and maintenance of sockets.

As another preference, the upper cover is provided with a lower cover. The open end of the lower cover is detachably connected to the upper cover and forms a cavity. The first arc-shaped side plate and the second arc-shaped side plate are located at In the cavity, there is a grounding piece outside the cavity. The grounding piece is detachably connected to the lower cover. The grounding piece is provided with two connection blocks. The bottom of the lower cover is provided with a connection block that matches the two connection blocks. There are three avoidance holes. There are three plug-in slots. The wiring part on the conductive clamping piece in one of the plug-in slots is electrically connected to the two wiring blocks through wires. There are two wiring connections on the left and right side walls of the lower cover. slot, the wiring slot is provided with adjustable wiring bolts, the bottom of the lower cover and the grounding piece are provided with threading holes, and the wiring portions on the conductive clamping pieces in the other two plug-in slots pass through the threading holes with wires They are electrically connected to corresponding wiring bolts respectively. This solution can facilitate the installation of the socket in the wall. Multiple inner cores in the cavity can be installed as needed. At the same time, in order to facilitate the installation of the socket in the wall, the design of the wiring trough allows the wires to be embedded in the wiring trough when connected to the wiring bolts. This prevents the wall from causing friction on the conductors during installation or disassembly, causing the conductors to be damaged, which is beneficial to improving safety performance.

Preferably, the shape of the grounding piece is U-shaped, the wiring hole and the second wiring block are located at the bottom of the grounding piece, and the bottom of the lower cover is provided with a limiting groove that matches the grounding piece. Located in the limiting groove, the upper and lower side walls of the lower cover are provided with two mutually parallel V-shaped slots. The grounding piece is located between the two slots. The opening end of the grounding piece is located on both sides of the opening end. There are two elastic clamping blocks that match the two slots one by one. One end of the clamping block is fixedly connected to the side wall of the grounding piece and forms an integral body. The other end of the clamping block faces into the slot. Fold over and contact the bottom of the slot, connecting pieces are fixed on both sides of the open end of the grounding piece. The limiting slot not only limits the grounding piece, but also allows the clamping block to be accurately inserted into the corresponding slot, thereby facilitating the installation of the grounding piece; the structural design of the slot and the clamping block allows the grounding piece to pass through the clamping slot. The block can be smoothly snapped into the corresponding slot and well positioned; the connecting piece is easy to connect to the external ground circuit and is convenient for installation and fixation of the socket and the wall.

Preferably, the shape of the action block is L-shaped, the lock buckle is fixedly connected to and integrated with one side of the action block, and the other side of the action block is connected to the other side of the arc-shaped side plate. One end is in contact.

As another preference, the shape of the action block is a rectangle, one end of the action block is fixedly connected to the lock, and the other end of the action block is in contact with the other end of the arc-shaped side plate.

Preferably, limiting blocks are provided on both sides of the open end of the U-shaped groove, the limiting block is L-shaped, and one end of the limiting block is fixedly connected to and formed integrally with the open end of the U-shaped groove. The other ends of the two limit blocks together form a limit groove that matches the action block. The action block is located in the limit groove. On the one hand, it can play a good limiting role for the action block during the rotation process. On the other hand, it can play a good limiting role in the rotation process of the action block. On the one hand, it can effectively prevent the action block from deforming after multiple rotations, which is beneficial to extending the service life.

The beneficial effects of the present invention are: improving the tightness of the plug and the socket; the whole process can realize the insertion and extraction of the plug and the socket without overcoming a large friction force, saving time and effort, being convenient and fast; it is conducive to reducing the volume of the socket and saving money. space; realizes the locking and unlocking of the plug and socket and the reset function of the inner core, with a simple structure; prevents the action block on the lock buckle from breaking away from the resistance surface and losing the locking function, which is beneficial to extending the validity period of the socket locking function; the inner core is in It has a good limit without external force and is not easy to rotate; it has a good indication function when the plug is completely separated from the lock hole to prevent misoperation; it is convenient for the installation and fixation of the socket; it plays a good protective role for the inner core; It is conducive to the installation and maintenance of sockets; it is conducive to improving safety performance.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is a front view of the present invention;

Figure 3 is a rear view of Figure 2;

Figure 4 is a left view of Figure 2;

Figure 5 is a cross-sectional view along line A-A of Figure 4;

Figure 6 is a right view of Figure 2;

Figure 7 is a second structural schematic diagram of the present invention;

Figure 8 is a front view of the second structural diagram of the present invention;

Figure 9 is a rear view of Figure 8;

Figure 10 is a cross-sectional view along C-C in Figure 9;

Figure 11 is a schematic diagram three of the structure of the present invention;

Figure 12 is a rear view of Figure 11;

Figure 13 is a cross-sectional view along B-B in Figure 12;

Figure 14 is a left view of Figure 11;

Figure 15 is a bottom view of Figure 11;

Figure 16 is another embodiment of Figure 3.

In the picture: 1. Inner core, 2. Upper cover, 3. Plug-in slot, 4. Lock, 5. Spring, 6. Action block, 7. Insert block, 8.

Curved side plate

1, 9. Projecting plate 1. 10. Transition slope, 11. Resistance surface, 12. Back cover, 13. Rotating housing, 14. Conductive clamping piece, 15. Clamping part, 16. Wiring part, 17. Notch one, 18. Notch two , 19. U-shaped groove, 20. Guide slope, 21. Rotating shaft, 22. Rotating hole, 23. Through hole, 24. Limiting boss, 25. Arc opening, 26. Limiting plate, 27. Arc Side plate two, 28. Projection plate two, 29. Stopping surface, 30. Stopping bar, 31. Mounting ear, 32. Mounting hole, 33. Barrel body, 34. Cover, 35. Terminal block one, 36. Lower cover, 37. Cavity, 38. Grounding piece, 39. Terminal block two, 40. Avoidance hole, 41. Wiring slot, 42. Wiring bolt, 43. Wiring hole, 44. Limiting slot, 45. Card slot, 46. Clamping block, 47. Connecting piece, 48. Limiting block.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

In the embodiment shown in Figures 1 to 5, a socket with a lock includes an inner core 1 and an upper cover 2. One end of the inner core 1 is provided with a number of plug-in slots 3, and there are 2 sets of upper covers. One end of the inner core 1 is provided with a plug-in slot 3 and is rotatably connected to the inner core 1. The other end of the inner core 1 is provided with a lock 4. One end of the lock 4 is rotatably connected to the inner core 1 and is provided with a spring 5 and The action block 6 and the spring 5 are located on one side of the lock 4 and on the rotation plane of the lock 4 relative to the inner core 1. The lock 4 is elastically connected to the inner core 1 through the spring 5. The other end of the lock 4 is provided with a plug. Block 7, one end of the plug-in block 7 is fixedly connected to one side of the lock buckle 4, the other end of the plug-in block 7 penetrates the side wall of the inner core 1 and is located in one of the plug-in slots 3, the action block 6 corresponds to the lock buckle 4 The other side is fixedly connected. The upper cover 2 is provided with an arc-shaped side plate 8. One end of the arc-shaped side plate 8 is fixedly connected to the edge of the upper cover 2. The other end of the arc-shaped side plate 8 passes through the action block 6. The contact drives the lock catch 4 to rotate.

As shown in Figures 1, 3, 4 and 5, the other end of the arc-shaped side plate 8 is provided with a convex plate 9. One end of the convex plate 9 is fixedly connected to the arc-shaped side plate 8. The convex plate 1 The other end side of the convex plate 9 is provided with a transition slope 10. The other end surface of the convex plate 9 is connected with the end surface of the other end of the arc-shaped side plate 8 through the transition slope 10 to form a friction surface 11 that contacts the action block 6.

As shown in Figures 1, 3, 4 and 5, the inner core 1 includes a back cover 12 and a rotating housing 13. The upper cover 2 is sleeved on the outer wall of one end of the rotating housing 13 and rotates with the rotating housing 13. connection, the open end of the plug-in slot 3 is located on the end surface of one end of the rotating housing 13, and the other end of the rotating housing 13 is detachably connected to the back cover 12. The plug-in slot 3 is composed of the rotating housing 13 and the back cover 12. A conductive clamping piece 14 is provided in the plug-in slot 3. One end of the conductive clamping piece 14 is provided with a clamping part 15. The clamping part 15 is located in the plug-in slot 3. The other end of the conductive clamping piece 14 is provided with a wiring part. 16. The wiring portion 16 penetrates the back cover 12 and is located outside the plug-in slot 3. The side wall of one of the plug-in slots 3 is provided with a notch 17 that matches the lock 4, and the conductive clamp inside the plug-in slot 3 The piece 14 is provided with a notch two 18 corresponding to the notch one 17. The locks 4 are respectively located in the notch one 17 and the second notch 18 and are rotationally connected with the side walls of the notch two 18. The side walls of the back cover 12 are provided with respective The U-shaped groove 19 is connected with notch one 17 and notch two 18. One end of the lock 4 is located in the open end of the U-shaped groove 19 and is elastically connected to the bottom of the U-shaped groove 19 through the spring 5. The other end of the plug 7 The first notch 17 and the second notch 18 are located in the clamping portion 15 and are provided with a guide slope 20 .

As shown in Figure 5, a rotating shaft 21 is fixed on the side wall of the notch 218, and a rotating hole 22 matching the rotating shaft 21 is provided on the lock buckle 4. The lock buckle 4 matches and rotates with the rotating shaft 21 through the rotating hole 22. Connected to gap two 18.

As shown in Figures 3 and 5, the upper cover 2 is provided with a through hole 23 that matches the rotating housing 13. The rotating housing 13 is rotationally connected to the through hole 23, and a limiting boss is fixed on the inner wall of the through hole 23. 24. The limiting boss 24 is provided with an arc-shaped opening 25. The rotating housing 13 is located in the through hole 23 and one end thereof is limited on the limiting boss 24. One end of the rotating housing 13 is provided with an arc-shaped opening 25 concentric with the arc-shaped opening 25. The limiting plate 26 is fixedly connected to the side wall of the rotating housing 13. The limiting plate 26 is located in the arc-shaped opening 25. The corresponding central angle of the limiting plate 26 is smaller than the corresponding center angle of the arc-shaped opening 25. horn.

As shown in Figure 3, Figure 5 and Figure 6, the arc side plate 8 is located on one side of the upper cover 2, the other side of the upper cover 2 is provided with an arc side plate 27, and the inner core 1 is located on the arc side plate. Between the first 8 and the second arc-shaped side plate 27, one end of the second arc-shaped side plate 27 is fixedly connected to the upper cover 2, and the other end of the second arc-shaped side plate 27 is fixed with a triangular convex plate 28. The second convex plate 28 is The left and right sides transition evenly to the end surfaces of the arc-shaped side plates 27 respectively and together form a stop surface 29. A stop bar 30 is provided overhead on the side wall of the back cover 12 to contact the stop surface 29. The stop bar 30 is in contact with the stop surface 29. Both ends of the stop bar 30 are fixedly connected to the side walls of the back cover 12 respectively. The middle part of the stop bar 30 protrudes toward the raised plate 28 to form a V-shaped structure. The raised part on the stop bar 30 is in contact with the stop surface 29 .

As shown in Figures 1, 2 and 3, the edge of the upper cover 2 is provided with a number of mounting ears 31. The arc side plate 8 and the arc side plate 2 27 are located between the mounting ears 31. 31 is fixedly connected to the upper cover 2 and formed into one body, and the mounting ears 31 are provided with mounting holes 32 .

As shown in Figures 7 to 10, the upper cover 2 is provided with a cylinder 33. The first arc-shaped side plate 8 and the second arc-shaped side plate 27 are located in the cylinder 33. One end of the cylinder 33 is in contact with the edge of the upper cover 2. Fixedly connected and integrated, the other end of the cylinder 33 is provided with two stuffy covers 34. The two stuffy covers 34 are respectively located on both sides of the cylinder 33 so that the ends of the cylinder 33 are closed. The stuffy covers 34 and the cylinder 33 can be After disassembling the connection, the connection between one stuffy cover 34 and the other stuffy cover 34 is connected with a number of wiring blocks 35 corresponding to the wiring portion 16 one by one. One end of the wiring block 35 is located in the cylinder 33, and the wiring block 35 is The other end of 35 is located outside the barrel 33, and the wiring portion 16 on the conductive clamping piece 14 is electrically connected to the end of the corresponding wiring block 35 located inside the barrel 33 through wires.

As shown in Figures 11 to 15, the upper cover 2 is provided with a lower cover 36. The open end of the lower cover 36 is detachably connected to the upper cover 2 and forms a cavity 37. The arc-shaped side plate 18 and the arc-shaped side plate 27 are located in the cavity 37. There is a grounding piece 38 outside the cavity 37. The grounding piece 38 is detachably connected to the lower cover 36. The grounding piece 38 is provided with a wiring block 239. The bottom of the lower cover 36 is provided with a wiring block. Block two 39 matches the escape holes 40. There are three plug-in slots 3. The wiring portion 16 on the conductive clamping piece 14 in one of the plug-in slots 3 is electrically connected to the wiring block two 39 through wires. The lower cover 36 Two wiring slots 41 are provided on the left and right side walls. Adjustable wiring bolts 42 are provided in the wiring slots 41. Wiring holes 43 are provided on the bottom of the lower cover 36 and the grounding piece 38. The other two plug-in slots 3 The wiring portions 16 on the inner conductive clamping piece 14 are electrically connected to the corresponding wiring bolts 42 through wire penetration holes 43 .

As shown in Figure 13, Figure 14 and Figure 15, the shape of the grounding piece 38 is U-shaped. The threading hole 43 and the second wiring block 39 are located at the bottom of the grounding piece 38. The bottom of the lower cover 36 has a hole that matches the grounding piece 38. The limiting slot 44 has a grounding piece 38 located in the limiting slot 44. Two mutually parallel V-shaped slots 45 are provided on the upper and lower side walls of the lower cover 36, and the grounding piece 38 is located between the two slots 45. There are two elastic clamping blocks 46 on both sides of the open end of the grounding piece 38 that match the two slots 45 one by one. One end of the clamping block 46 is fixedly connected to the side wall of the grounding piece 38 and forms an integral body. The other end of the clamping block 46 is folded inward toward the clamping slot 45 and contacts the bottom of the clamping slot 45 . Connecting pieces 47 are fixed on both sides of the open end of the grounding piece 38 .

As shown in Figures 1 and 3, the shape of the action block 6 is L-shaped. The lock 4 is fixedly connected and integrated with one side of the action block 6 and the other side of the action block 6. The other side of the action block 6 is connected to the arc-shaped side. The other ends of plate one 8 are in contact.

As shown in Figure 16, the shape of the action block 6 can also be a rectangle. One end of the action block 6 is fixedly connected to the lock 4, and the other end of the action block 6 is in contact with the other end of the arc-shaped side plate 8.

As shown in Figure 16, limiting blocks 48 are provided on both sides of the open end of the U-shaped groove 19. The limiting block 48 is L-shaped. One end of the limiting block 48 is fixedly connected to the open end of the U-shaped groove 19 and forms Integrated, the other ends of the two limiting blocks 48 jointly form a limiting groove that matches the action block 6, and the action block 6 is located in the limiting groove.

As shown in Figure 1, Figure 7 and Figure 11, the sockets in the three embodiments have the same structure of the inner core 1 of the socket. For the plug used in the present invention, one of the pins of the plug is provided with a lock hole that matches the plug block.

In the initial state, according to the lever principle, the spring 5 acts on one end of the lock 4, so that the plug 7 on the other end of the lock 4 is located in one of the plug slots 3. At the same time, the action block 6 and the arc-shaped side plate 8 The end faces of the locks 4 are in contact with each other; when the pin with the keyhole is inserted into the socket 3, the end of the plug 7 on the lock 4 located in the socket 3 slides in through the side of the pin under the force of the spring 5 into the lock hole so that the pins are locked. The present invention realizes the connection between the plug and the socket through the lock 4, which improves the tightness of the plug and the socket. At the same time, when the plug needs to be pulled out, the user only needs to remove the inner core 1 Rotating a certain angle, the inner core 1 drives the action block 6 on the lock 4 to rotate synchronously to the end surface of the convex plate 9 through the transition slope 10. During this process, affected by the resistance surface 11, the spring 5 is gradually compressed, The lock 4 gradually rotates toward the outside of the plug slot 3, and finally drives the plug 7 to completely separate from the lock hole, making it easier for the user to pull out the plug; after pulling out the pin, the inner core 1 resets under the action of the spring 5, and the entire The plug and socket can be plugged and unplugged without overcoming a large amount of friction, saving time, effort, and convenience.

One side of the arc-shaped opening 25 is close to the second convex plate 28, and the other side of the arc-shaped opening 25 is away from the second convex plate 28. In the initial state, the side of the arc-shaped opening 25 away from the second convex plate 28 is between the side of the arc-shaped opening 25 and the second convex plate 28. Together they form a restricted area, so that the convex portions on the limiting plate 26 and the stop bar 30 are located within the restricted area, and the limiting plate 26 is in contact with the side of the arc-shaped opening 25 away from the second convex plate 28, At the same time, the convex part on the stop bar 30 is located on the end surface of the second arc-shaped side plate 27 and contacts one side of the second convex plate 28, so that the inner core 1 is well limited without external force, and is not easily Rotation occurs; when the plug needs to be pulled out, the user needs to rotate the inner core 1 so that the limiting plate 26 rotates toward the side of the arc opening 25 close to the second protruding plate 28. At the same time, since the stop bar 30 is set overhead On the side wall of the back cover 12, the stop bar 30 has a certain elasticity, so that the convex part on the stop bar 30 can overcome the resistance and rotate to the other side of the convex plate 28, so when the user rotates the inner core 1 You will feel a certain sense of resistance. When the sense of resistance disappears, it means that the convex part on the stop bar 30 has rotated to the other side of the second convex plate 28. At this time, the plug 7 has completely separated from the lock hole, and the user Just pull out the plug and it has a good indication function to prevent misoperation.

As shown in Figure 1 to Figure 6, in the first embodiment, a plurality of mounting ears 31 are provided on the edge of the upper cover 2. The mounting ears 31 are fixedly connected to the upper cover 2 and formed into one body. The mounting ears 31 are provided with mounting holes 32. Easy to install and fix the socket.

In the second embodiment shown in Figures 7 to 10, according to different usage scenarios, the inner core 1 is located in the cylinder 33 and closed by the cover 34, so that the structure of the inner core 1 is not exposed, and the inner core 1 is It has a very good protective effect; at the same time, the installation design of the cover 34 and the terminal block 35 is conducive to the installation and maintenance of the socket.

As shown in the third embodiment shown in Figures 11 to 15, this solution can facilitate the installation of the socket in the wall, embed the socket into the wall, fix it through the connecting piece 47, and electrically connect it to the external ground circuit. There can be multiple inner cores 1 in the cavity 37 as required. At the same time, in order to facilitate the installation of the socket in the wall, the design of the wiring groove 41 allows the wires to be embedded in the wiring groove 41 when connected to the wiring bolts 42 to prevent installation or disassembly. When the wall rubs against the wires, the wires are damaged, which is beneficial to improving safety performance.

The above-described embodiments of the present invention are only examples, and those of ordinary skill in the art to which the present invention belongs will be well aware that the present invention can be modified in various ways and implemented with other equivalent embodiments. Therefore, the present invention is not limited to the forms disclosed in the detailed description. The true technical protection scope of the present invention is determined based on the technical ideas of the appended invention claims, that is, the protection scope of the present invention includes the ideas defined by the appended invention content and all modified embodiments and equivalents within the scope thereof. Embodiments and Alternative Embodiments.

Claims

A socket with a lock, which is characterized by including an inner core (1) and an upper cover (2). One end of the inner core (1) is provided with several plug-in slots (3), and the upper cover (2) It is sleeved on one end of the inner core (1) provided with the insertion slot (3) and is rotationally connected to the inner core (1). The other end of the inner core (1) is provided with a lock (4), so One end of the lock catch (4) is rotatably connected to the inner core (1) and is provided with a spring (5) and an action block (6). The spring (5) is located on one side of the lock catch (4) and is located on the lock catch (1). 4) Relative to the rotation plane of the inner core (1), the lock catch (4) is elastically connected to the inner core (1) through the spring (5), and the other end of the lock catch (4) is provided with an insertion block ( 7), one end of the plug-in block (7) is fixedly connected to one side of the lock (4), and the other end of the plug-in block (7) penetrates the side wall of the inner core (1) and is located in one of the plug-in slots ( 3), the action block (6) is fixedly connected to the other side corresponding to the lock (4), the upper cover (2) is provided with an arc-shaped side plate (8), and the arc-shaped side plate One end of the first plate (8) is fixedly connected to the edge of the upper cover (2), and the other end of the arc-shaped side plate (8) drives the lock (4) to rotate by contacting the action block (6).
A socket with a lock according to claim 1, characterized in that the other end of the arc-shaped side plate (8) is provided with a convex plate (9), and the convex plate (9) One end of the convex plate one (9) is fixedly connected to the arc-shaped side plate one (8). The other end side of the convex plate one (9) is provided with a transition slope (10). The other end face of the convex plate one (9) passes through the transition slope (10). 10) is connected with the end surface of the other end of the arc-shaped side plate one (8) to form a friction surface (11) that contacts the action block (6).
A socket with a lock according to claim 1, characterized in that the inner core (1) includes a back cover (12) and a rotating housing (13), and the upper cover (2) is sleeved It is on the outer wall of one end of the rotating housing (13) and is rotationally connected to the rotating housing (13). The open end of the insertion slot (3) is located on the end surface of one end of the rotating housing (13). The rotating housing The other end of the body (13) is detachably connected to the back cover (12). The plug-in slot (3) is composed of the rotating housing (13) and the back cover (12). The plug-in slot (3) is A conductive clamping piece (14) is provided. One end of the conductive clamping piece (14) is provided with a clamping portion (15). The clamping portion (15) is located in the plug-in slot (3). The other end of the clamping piece (14) is provided with a wiring portion (16). The wiring portion (16) penetrates the back cover (12) and is located outside the plug-in slot (3). One of the side walls of the plug-in slot (3) There is a notch one (17) matching the lock catch (4), and the conductive clamping piece (14) inside the plug-in slot (3) is provided with a notch two (17) corresponding to the notch one (17). 18), the locks (4) are respectively located in notch one (17) and notch two (18) and are rotationally connected to the side walls of notch two (18). The side walls of the back cover (12) are provided with The U-shaped groove (19) is connected to the notch one (17) and the second notch (18) respectively. One end of the lock (4) is located in the open end of the U-shaped groove (19) and is connected to the U-shaped groove (19) through the spring (5). The bottom of the U-shaped groove (19) is elastically connected, and the other end of the plug-in block (7) passes through the notch one (17) and the second notch (18) and is located in the clamping part (15) and is provided with a guide slope (20) .
A socket with a lock according to claim 3, characterized in that a rotating shaft (21) is fixed on the side wall of the notch 2 (18), and the lock (4) is provided with a The rotation shaft (21) matches the rotation hole (22), and the lock catch (4) matches the rotation shaft (21) through the rotation hole (22) and is rotatably connected in the gap two (18).
A socket with a lock according to claim 3, characterized in that the upper cover (2) is provided with a through hole (23) matching the rotating shell (13), and the rotating shell The body (13) is rotatably connected to the through hole (23). A limiting boss (24) is fixed on the inner wall of the through hole (23). The limiting boss (24) is provided with an arc-shaped opening (25). ), the rotating housing (13) is located in the through hole (23) and one end of the rotating housing (13) is limited to the limiting boss (24). One end of the rotating housing (13) is provided with an arc-shaped opening (25) Concentric limiting plates (26), the limiting plates (26) are fixedly connected to the side walls of the rotating housing (13), the limiting plates (26) are located in the arc-shaped openings (25), and the limiting plates (26) are The central angle corresponding to the position plate (26) is smaller than the central angle corresponding to the arc-shaped opening (25).
A socket with a lock according to claim 3, 4 or 5, characterized in that the arc-shaped side plate (8) is located on one side of the upper cover (2), and the upper cover (2) ) is provided with two arc-shaped side plates (27) on the other side, and the inner core (1) is located between one arc-shaped side plate (8) and two arc-shaped side plates (27). The arc-shaped side plates One end of the second arc-shaped side plate (27) is fixedly connected to the upper cover (2), and the other end of the second arc-shaped side plate (27) is fixed with a triangular convex plate (28). The left and right sides of the second convex plate (28) The side edges uniformly transition to the end surfaces of the two arc-shaped side plates (27) and jointly form a stop surface (29). The side wall of the back cover (12) is provided with an overhead plate in contact with the stop surface (29). Stop bar (30), the two ends of the stop bar (30) are fixedly connected to the side walls of the back cover (12), and the middle part of the stop bar (30) projects toward the second convex plate (28). It forms a V-shaped structure, and the convex part on the stop bar (30) is in contact with the stop surface (29).
A socket with a lock according to claim 6, characterized in that a plurality of mounting ears (31) are provided on the edge of the upper cover (2), and the arc-shaped side plate (8) and The two arc-shaped side panels (27) are located between several mounting ears (31). The mounting ears (31) are fixedly connected to the upper cover (2) and form an integral body. There are mounting ears (31) inside the mounting ears (31). hole(32).
A socket with a lock according to claim 6, characterized in that the upper cover (2) is provided with a cylinder (33), the arc-shaped side plate (8) and the arc-shaped side plate are The two plates (27) are both located in the cylinder (33). One end of the cylinder (33) is fixedly connected to the edge of the upper cover (2) and formed into one body. The other end of the cylinder (33) is provided with two Two stuffy covers (34) are respectively located on both sides of the cylinder (33) to close the ends of the cylinder (33). The stuffy covers (34) and the cylinder (33) are detachable. connection, the connection between one stuffy cover (34) and another stuffy cover (34) is connected with several wiring blocks one (35) corresponding to the wiring part (16) one by one, the wiring block one (35) One end of the terminal block (35) is located inside the cylinder (33), and the other end of the terminal block (35) is located outside the cylinder (33). The terminal portion (16) on the conductive clamping piece (14) is connected to the corresponding terminal via a wire. One end of the terminal block one (35) located in the barrel (33) is electrically connected.
A socket with a lock according to claim 6, characterized in that the upper cover (2) is provided with a lower cover (36), and the open end of the lower cover (36) is in contact with the upper cover (36). 2) Detachably connected to form a cavity (37), the first arc-shaped side plate (8) and the second arc-shaped side plate (27) are located in the cavity (37), outside the cavity (37) A grounding piece (38) is provided. The grounding piece (38) is detachably connected to the lower cover (36). The grounding piece (38) is provided with two terminal blocks (39). The lower cover (36) The bottom is provided with an escape hole (40) that matches the second terminal block (39). There are three plug-in slots (3), one of which is on the conductive clamping piece (14) in the plug-in slot (3). The wiring part (16) is electrically connected to the second wiring block (39) through wires. Two wiring grooves (41) are provided on the left and right side walls of the lower cover (36). There are two wiring grooves (41) inside the wiring groove (41). Adjustable wiring bolts (42), the bottom of the lower cover (36) and the grounding piece (38) are provided with threading holes (43), and the conductive clamping pieces (43) in the other two plug-in slots (3) The wiring portions (16) on the 14) are electrically connected to the corresponding wiring bolts (42) through the wire penetration holes (43).
A socket with a lock according to claim 9, characterized in that the shape of the ground piece (38) is U-shaped, and the threading hole (43) and the second terminal block (39) are both located on the ground. The bottom of the piece (38), the bottom of the lower cover (36) is provided with a limiting groove (44) that matches the grounding piece (38), and the grounding piece (38) is located in the limiting groove (44). The upper and lower side walls of the lower cover (36) are provided with two mutually parallel V-shaped slots (45), and the grounding piece (38) is located between the two slots (45). There are two elastic clamping blocks (46) on both sides of the open end of the piece (38) that match the two slots (45) respectively. One end of the clamping piece (46) is connected to the ground piece (38). ) are fixedly connected and formed into one body. The other end of the clamping block (46) is folded inward toward the slot (45) and contacts the bottom of the slot (45). The opening of the grounding piece (38) Connecting pieces (47) are fixed on the end faces on both sides of the end.
A socket with a lock according to claim 3, characterized in that the shape of the action block (6) is L-shaped, and the lock (4) passes through one side of the action block (6) Fixedly connected and integrated with the other side, the other side of the action block (6) is in contact with the other end of the arc-shaped side plate (8).
A socket with a lock according to claim 3, characterized in that the shape of the action block (6) is rectangular, and one end of the action block (6) is fixedly connected to the lock (4). The other end of the action block (6) is in contact with the other end of the arc-shaped side plate (8).
A socket with a lock according to claim 3 or 4 or 5 or 11 or 12, characterized in that limit blocks (48) are provided on both sides of the open end of the U-shaped groove (19), The shape of the limiting block (48) is L-shaped. One end of the limiting block (48) is fixedly connected to the open end of the U-shaped groove (19) and formed into one body. The other ends of the two limiting blocks (48) One end together forms a limiting groove that matches the action block (6), and the action block (6) is located in the limiting groove.