CN216903481U - Socket with improved structure - Google Patents

Abstract

The utility model relates to the technical field of sockets, in particular to a socket; the socket comprises a shell, a turnover cover and a binding post gland, wherein the shell comprises a first cover body and a second cover body, the first cover body and the second cover body are buckled and connected, and the first cover body is provided with an insertion hole; the flip cover is rotatably connected with the second cover body so as to be buckled with and separated from the first cover body; terminal gland and second lid integrated into one piece, flip can shelter from the terminal gland. The socket can reduce the assembly procedures and reduce the cost.

Description

socket

technical field

The utility model relates to the technical field of sockets, in particular to a socket.

Background technique

The socket provided by the related art includes a housing and a flip cover, the housing has a wiring part, the flip cover is rotatably connected to the housing, and the flip cover can be rotated to expose or block the wiring part. When the wiring part is exposed, various wires can be connected to the wiring part. In order to complete the assembly of the socket; after the wiring is completed, the flip cover can be turned over to cover the wiring part, thereby ensuring the reliability of the wiring.

However, the socket assembly process provided by the related art is complicated and the cost is high.

Utility model content

The purpose of the present invention is to provide a socket, which can reduce the assembly process and reduce the cost.

The embodiment of the present utility model is realized in this way:

In a first aspect, the present invention provides a socket, comprising:

a casing, the casing includes a first cover body and a second cover body, the first cover body and the second cover body are buckled and connected, and the first cover body is provided with an insertion hole;

a flip cover, the flip cover is rotatably connected to the second cover body so as to be fastened and separated from the first cover body; and,

The terminal cover is integrally formed with the second cover, and the flip cover can cover the terminal cover.

In an optional embodiment, the second cover body includes a side wall, and the side wall and the terminal press cover are integrally formed.

In an optional embodiment, the first cover body is connected with a terminal, and the terminal press cover is connected with the terminal.

In an optional embodiment, the first cover body has a wiring part, the wiring part is provided with terminal posts and a pressure plate distributed at intervals, the terminal press cover is connected with the terminal post, the terminal post is used for setting cables, and the wire press plate used for fixing cables; the second cover body includes a bottom wall and a side wall connected at an angle, the bottom wall is provided with a mounting part, and the mounting part and the side wall are spaced apart; the flip cover includes a flip cover body and an extension part connected with the flip cover body , the extension part is rotatably connected with the installation part, so that the flip body can be rotated relative to the second cover body to expose or block the wiring part.

In an optional embodiment, the installation part is provided with one of a rotating shaft and an insertion hole; one end of the extension part away from the flip body is provided with the other of a rotating shaft and an insertion hole, and the rotating shaft is connected with the insertion hole. The holes are rotatably plug-fitted.

In an optional embodiment, the mounting portion includes a mounting groove recessed toward the inner side of the housing, and a groove wall of the mounting groove is provided with one of a rotating shaft and an insertion hole.

In an optional embodiment, the extension part is provided with a rotating shaft, and one end of the rotating shaft away from the extension part is provided with a guiding inclined surface, and the guiding inclined surface is used for sliding fit with the groove wall of the installation groove.

In an optional embodiment, two opposite groove walls of the installation groove are provided with insertion holes, the extension part is provided with two rotating shafts, and the two rotating shafts are inserted into the plug holes provided on the two groove walls in a one-to-one correspondence. .

In an optional embodiment, the bottom wall is further provided with an escape groove, two ends of the escape groove are respectively connected to the installation groove and the side wall, and the extension part can be embedded in the escape groove.

In an optional embodiment, along the direction perpendicular to the bottom wall, the depth of the installation groove is greater than the depth of the avoidance groove.

In an optional embodiment, the extension part includes a first plate, a second plate and a third plate connected at an angle in sequence, an end of the third plate away from the second plate is connected to the flip body, and the first plate is away from the second plate. One end is provided with a rotating shaft; the third plate can be embedded in the avoidance groove, and the first plate can be embedded in the installation groove.

The beneficial effects of the socket of the embodiment of the present invention include: the socket provided by the embodiment of the present invention includes a shell, a flip cover and a terminal press cover, the shell includes a first cover body and a second cover body, the first cover body and the third cover body The two cover bodies are buckled and connected, the first cover body is provided with an insertion hole; the flip cover is rotatably connected with the second cover body; the terminal press cover is integrally formed with the second cover body. Since the second cover and the terminal gland are integrally formed, when assembling the socket, it is not necessary to assemble the terminal gland independently. When the first cover and the second cover are fastened together, the terminal can be assembled simultaneously. The press cover can reduce the assembly process of the socket and reduce the cost.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

1 is a schematic diagram 1 of an exploded structure of a socket in an embodiment of the present invention;

FIG. 2 is a schematic diagram 2 of an exploded structure of a socket in an embodiment of the present invention;

3 is a schematic diagram 3 of an exploded structure of a socket in an embodiment of the present invention;

4 is a schematic structural diagram of a socket in an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along the direction A-A in FIG. 4 .

Icon: 010-socket; 100-shell; 101-bottom wall; 102-side wall; 103-installation part; 104-insertion hole; 105-avoidance groove; 106-connection part; -Second cover body; 130-socket body; 131-jack; 132-card slot; 133-clip; 134-plug board; 140-connector; 141-connection hole; 142-avoidance hole; 143-through Hole; 200- flip cover; 210- flip body; 211- assembly hole; 212- fastener; 213- step part; 214- head; 215- first fastening part; 216- second fastening part; 220- 221-rotating shaft; 222-guidance slope; 223-first plate; 224-second plate; 225-third plate; 231-terminal; 232-terminal gland;

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, or is the customary pendulum when the utility model product is used. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as affecting the present utility model. New type of restriction. Furthermore, the terms "first", "second", etc. are only used to differentiate the description and should not be construed to indicate or imply relative importance.

In the description of the present utility model, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, Or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Referring to FIG. 1 , the present embodiment provides a socket 010 , which includes a housing 100 . The housing 100 is provided with a socket body 130 , and the socket body 130 is used for plugging with a plug. The socket body 130 includes at least one of a three-hole socket body, a two-hole socket body, and a USB socket body, so as to be used to select a suitable plug for taking electricity.

Further, the housing 100 includes a first cover 110 and a second cover 120, the first cover 110 and the second cover 120 are snapped together and connected, and the socket body 130 is disposed on the first cover 110 and the second cover Between 120 , the first cover 110 is provided with an insertion hole 131 , and the insertion hole 131 is used to avoid the insertion portion of the socket body 130 , so that the plug can be inserted into the socket body 130 through the insertion hole 131 .

Optionally, the socket body 130 is clamped with at least one of the first cover 110 and the second cover 120 to ensure the reliability of the socket body 130 being disposed in the housing 100 .

It should be noted that the number of the sockets 131 provided on the first cover 110 is adapted to the type and number of the sockets 130 distributed in the socket body 130 , and details are not described herein again.

Still further, please refer to FIG. 2 , one of the first cover 110 and the second cover 120 is provided with a slot 132 , and the other of the first cover 110 and the second cover 120 is The latching teeth 133 are provided, and the latching teeth 133 are engaged with the latching grooves 132, so as to ensure the reliability of the first cover body 110 and the second cover body 120 being fastened and connected, and to facilitate the connection between the first cover body 110 and the second cover body 120. The cover body 120 is disassembled, thereby facilitating maintenance.

Of course, in other embodiments, the first cover body 110 and the second cover body 120 may also be connected by fasteners such as screws or bolts, which are not specifically limited herein.

In order to ensure the cleanliness of the overall structure of the socket 010 , the first cover 110 is connected with a plug board 134 , the plug board 134 is provided with a slot 132 , and the teeth 133 are arranged on the inner side wall of the second cover 120 . When the 110 and the second cover body 120 are fastened together, the plug-in board 134 is inserted into the second cover body 120, and the locking groove 132 is locked with the locking teeth 133, so that the first cover body 110 and the second cover body 120 can pass through. The snap-fitted snap-together 133 and the snap-fit slot 132 are stably connected.

In order to enable the socket 010 to be reliably assembled in places such as seat armrests, please refer to FIG. 1 and FIG. 2 , the socket 010 further includes a connecting piece 140 , the connecting piece 140 is disposed on the second cover 120 , and the connecting piece 140 is provided with a connecting hole 141 , the second cover body 120 is provided with an avoidance hole 142, and the avoidance hole 142 is communicated with the connection hole 141; when the socket 010 is assembled at the installation position such as the armrest of the seat, fasteners such as screws or bolts can be set at the installation position. The holes, the avoidance holes 142 and the connection holes 141 can be used to stably set the socket 010 in various installation positions by using fasteners.

The connecting member 140 can be clamped to the second cover body 120; of course, in other embodiments, the connecting member 140 can also be integrally formed with the second cover body 120, which is not specifically limited herein.

Further, please refer to FIG. 1 , the second cover body 120 is provided with through holes 143 , and the through holes 143 are relatively distributed with the connecting pieces 140 ; The hole 143 is formed so that the through hole 143 is opposite to the connecting piece 140 , so that the connecting piece 140 can be easily disassembled by using a tool through the through hole 143 , thereby facilitating the maintenance of the socket 010 .

Referring to FIG. 3 , the housing 100 of this embodiment has a wiring portion 106 , so that various types of wires can be connected to the wiring portion 106 , so that each socket body 130 can be reliably energized.

Referring to FIGS. 1-3 , the housing 100 further includes a terminal cover 232 , the terminal cover 232 is integrally formed with the second cover 120 , and the terminal cover 232 is correspondingly distributed with the terminal 106 . Since the second cover 120 and the terminal cover 232 are integrally formed, when assembling the socket 010, it is not necessary to assemble the terminal cover 232 independently. When the first cover 110 and the second cover 120 are fastened together, The terminal press cover 232 can be assembled synchronously, which can reduce the assembly process of the socket 010 and reduce the cost.

Further, the terminal 106 is provided with a terminal 231, specifically, the first cover 110 is connected with the terminal 231, and the terminal press cover 232 is connected with the terminal 231; specifically, the terminal press cover 232 and the terminal 231 pass through Fasteners such as bolts. When assembling the housing 100, one end of the second cover 120 is connected to one end of the first cover 110 by a fastener, and the terminal press cover 232 is connected to the terminal 231 by a fastener, so that the second cover is The other end of the 120 and the other end of the first cover 110 are connected due to the connection between the terminal press cover 232 and the terminal 231 , which reduces the assembly process of the socket 010 .

Further, the wiring portion 106 is also provided with a pressing plate 233, that is, the first cover 110 is connected with a pressing plate 233, and the wiring posts 231 and the pressing plate 233 are spaced apart. Plate 233 is used for fixing cables. This arrangement can ensure stable assembly of the cable.

The socket 010 further includes a flip cover 200, which is rotatably connected to the housing 100, so that the flip cover 200 is rotated relative to the housing 100, thereby exposing or blocking the wiring portion 106, that is, exposing or blocking the terminal 231, the terminal cover 232 and the Three pressure plate. When the wiring portion 106 is exposed, various wires can be connected to the wiring portion 106 to facilitate the assembly of the socket 010; after the wiring is completed, the flip cover 200 can be turned over to cover the wiring portion 106, thereby ensuring the reliability of the wiring.

Please continue to refer to FIG. 3 , the housing 100 includes a bottom wall 101 and a side wall 102 connected at an angle, the bottom wall 101 is provided with a mounting portion 103 , and the mounting portion 103 is spaced apart from the side wall 102 ; the flip cover 200 includes a flip cover body 210 and a The extension portion 220 connected to the flip body 210 is rotatably connected to the mounting portion 103 , so that the flip body 210 can be rotated relative to the housing 100 to expose or block the wiring portion 106 . Since the mounting portion 103 is spaced apart from the side wall 102 of the housing 100 , and the extension portion 220 of the flip cover 200 is rotatably connected to the mounting portion 103 , the rotational connection position of the flip cover 200 and the housing 100 is not adjacent to the side of the housing 100 . position, that is, the flip cover 200 is not rotatably connected to the edge of the housing 100; in this way, the external collision at the rotational connection between the flip cover 200 and the housing 100 can be reduced, thereby ensuring reliable rotational connection between the flip 200 and the housing 100, That is to ensure the connection strength and stability of the two, and improve the problem that the two are easily separated accidentally due to collision.

Further, the wiring portion 106 is disposed on the first cover body 110, the second cover body 120 includes a bottom wall 101 and a side wall 102 connected at an angle, and the bottom wall 101 is provided with a mounting portion 103, that is, the flip cover 200 and the second cover body 120 is rotatably connected, that is, the flip body 210 can be rotated relative to the second cover 120 to engage with the first cover 110 and block the wiring portion 106 , or separate from the first cover 110 to expose the wiring portion 106 . In this way, when wiring is required, the flip cover 200 is rotated to separate the flip cover 200 from the first cover 110, and the wiring portion 106 can be exposed to facilitate wiring at the wiring portion 106; when the wiring is completed, the flip cover 200 is rotated again to make The flip cover 200 is fastened with the first cover body 110 to cover the wiring portion 106 , thereby ensuring the stability and reliability of the wiring.

Of course, in other embodiments, the wiring portion 106 may also be disposed on the second cover body 120 , which is not specifically limited herein.

In other embodiments, the flip cover 200 may also be rotatably connected with the first cover body 110 , which is not specifically limited herein.

It should be noted that, referring to FIG. 1 , the side wall 102 and the terminal cover 232 are integrally formed; this arrangement ensures that the end of the second cover 120 that is not directly connected to the first cover 110 by fasteners, that is, the adjacent side One end of the wall 102 is connected reliably through the connection between the terminal press cover 232 and the terminal 231 .

It should also be noted that when the terminal gland 232 is connected to the terminal 231 through a fastener, the fastener is also directly connected to the conductive wire, which can also be regarded as the conductive wire is directly and stably fixed to the second cover body 120, The assembly process is further reduced.

Referring to FIG. 3 , the mounting portion 103 of this embodiment is provided with an insertion hole 104 , and the extension portion 220 is provided with a rotating shaft 221 , and the rotating shaft 221 is rotatably inserted into the insertion hole 104 . In this way, it is convenient to rotate the flip cover 200 and the housing 100 together.

Further, the mounting portion 103 includes a mounting groove that is recessed toward the inner side of the housing 100 , that is, the mounting portion 103 provided on the second cover 120 includes a mounting groove that is recessed toward the first cover 110 , and the groove wall of the mounting groove is provided with a plug Hole 104; set in this way, when the shaft 221 provided in the extension portion 220 is inserted into the insertion hole 104, the size of the extension portion 220 protruding from the bottom wall 101 can be reduced, thereby ensuring a compact structure and improving the extension Part 220 and the mounting part 103 are rotatably connected to external collisions, thereby ensuring reliable and stable rotational connection between the two, improving the problem of low rotational connection strength between the flip 200 and the housing 100 .

Still further, the two opposite groove walls of the installation groove are provided with insertion holes 104, the extension portion 220 is provided with two rotating shafts 221, and the two rotating shafts 221 are inserted into the insertion holes 104 provided on the two groove walls in a one-to-one correspondence. catch. This arrangement is convenient to ensure the stability and reliability of the rotational connection between the flip cover 200 and the housing 100 , and also ensures the stability of the flip cover 200 when it rotates relative to the housing 100 .

Of course, in other embodiments, the mounting portion 103 is provided with a rotating shaft 221 , specifically, the groove wall of the mounting groove is provided with a rotating shaft 221 ; the extension portion 220 is provided with an insertion hole 104 .

In other embodiments, the mounting portion 103 is provided with a first hole, specifically, the groove wall of the mounting groove is provided with a first hole, the extension portion 220 is provided with a second hole, the socket 010 further includes a pivot shaft, and the pivot shaft simultaneously It is inserted into the first hole and the second hole, so that the flip cover 200 and the casing 100 are rotatably connected.

Referring to FIG. 3 , in this embodiment, the end of the rotating shaft 221 away from the extension portion 220 is provided with a guiding inclined surface 222 , and the guiding inclined surface 222 is used for sliding fit with the groove wall of the installation groove. The provision of the guiding inclined surface 222 facilitates the insertion of the rotating shaft 221 into the insertion hole 104 when the socket 010 is assembled, thereby ensuring the ease of assembling the socket 010 .

In this embodiment, the bottom wall 101 is further provided with an escape groove 105 , two ends of the escape groove 105 are respectively connected to the installation groove and the side wall 102 , and the extension part 220 can be embedded in the escape groove 105 . In this way, the protruding problem of the extension portion 220 relative to the bottom wall 101 can be improved, the compact structure of the socket 010 can be ensured, and the external impact on the extension portion 220 can be reduced, thereby ensuring reliable rotation of the flip 200 and the housing 100 . connect.

Further, along the direction perpendicular to the bottom wall 101 , the depth of the installation groove is greater than the depth of the escape groove 105 ; the through hole 143 is disposed in the escape groove 105 . This arrangement is beneficial to ensure that the space inside the housing 100 , that is, the side of the second cover 120 facing the first cover 110 is large enough to ensure that the housing 100 has a large enough assembly space for assembling the connector 140 and the like part.

The structure of the extension portion 220 can be set as required. Please continue to refer to FIG. 3 . The extension portion 220 in this embodiment includes a first plate 223, a second plate 224 and a third plate 225 which are connected at an angle in sequence. The third plate 225 is away from the first plate 225. One end of the second plate 224 is connected to the flip body 210 , the end of the first plate 223 away from the second plate 224 is provided with a rotating shaft 221 ; the third plate 225 can be embedded in the escape groove 105 . When the flip 200 rotates relative to the casing 100 and the flip 200 is separated from the first cover 110, the third plate 225 is separated from the escape groove 105; when the flip 200 rotates relative to the casing 100, the flip 200 is separated from the first cover 110, the third plate 225 is embedded in the escape groove 105; in this way, by embedding the third plate 225 in the escape groove 105, the extension can be effectively reduced when the flip cover 200 shields the wiring portion 106 The protruding size of the portion 220 relative to the bottom plate ensures a compact structure of the socket 010 and improves the problem that the connection between the flip cover 200 and the housing 100 is easily unstable due to collision.

Further, the first plate 223 is embedded in the installation slot, and the second plate 224 can overlap the slot wall of the installation slot, that is, when the flip cover 200 shields the wiring portion 106 , to further ensure a compact structural design of the socket 010 .

Referring to FIGS. 4 and 5 , the flip body 210 of this embodiment is provided with an assembly hole 211 , the assembly hole 211 is provided with a fastener 212 , and the fastener 212 is used to connect with the housing 100 , specifically, the fastener 212 It is used to connect with the first cover 110; in this way, when the flip 200 is rotated relative to the housing 100 to block the wiring portion 106, the fastener 212 is used to connect with the first cover 110, and the flip 200 can be locked on the The position of the wiring portion 106 is shielded.

The structure of the fastener 212 can be set as required. The fastener 212 includes a head 214, a first fastening part 215 and a second fastening part 216 which are connected in sequence. The diameter of the second fastening part 216 is larger than that of the first fastening part. The diameter of the part 215; the hole wall of the assembly hole 211 is provided with a step part 213, and the second fastening part 216 can abut against the step part 213 to prevent the fastener 212 from disengaging from the assembly hole 211. In this way, even when the fastener 212 is loosened, the fastener 212 will not be separated from the mounting hole 211 , thereby improving the problem that the fastener 212 is easily lost.

Further, the head 214, the first fastening part 215 and the second fastening part 216 are connected coaxially in sequence, the second fastening part 216 is an external thread post, and the first fastening part 215 is a threaded post or an optical axis; when When the flip body 210 is fastened to the first cover body 110 and shields the wiring portion 106 , the second fastening portion 216 of the fastener 212 can be threadedly connected with the first cover body 110 , and the head portion 214 abuts against the flip body 210 . Further, the flip body 210 can be securely buckled and connected with the first cover 110 to reliably shield the wiring portion 106 .

When the socket 010 of this embodiment is assembled, the flip cover 200 can be rotated to separate the flip cover body 210 from the first cover body 110 to expose the wiring portion 106, and the wiring work can be performed; after the wiring is completed, the flip cover 200 can be rotated again to make the wiring work. The flip body 210 is fastened with the first cover 110 and connected by a fastener 212 .

To sum up, the socket 010 of the present invention can ensure reliable rotational connection between the flip cover 200 and the housing 100 , that is, ensure the connection strength and stability of the two, improve the problem of accidental separation of the two due to collision, and reduce the Assembly process to reduce costs.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A socket, characterized in that, comprising: A casing (100), the casing (100) comprising a first cover (110) and a second cover (120), the first cover (110) and the second cover (120) being buckled combined and connected, the first cover body (110) is provided with an insertion hole (131); a flip cover (200), the flip cover (200) is rotatably connected to the second cover body (120) so as to be fastened and separated from the first cover body (110); and, A terminal press cover (232), the terminal press cover (232) is integrally formed with the second cover body (120), and the flip cover (200) can cover the terminal press cover (232). 2 . The socket according to claim 1 , wherein the second cover body ( 120 ) comprises a side wall ( 102 ), and the side wall ( 102 ) is integrally formed with the terminal press cover ( 232 ). 3 . . 3. The socket according to claim 1, wherein the first cover (110) is connected with a terminal (231), and the terminal press cover (232) is connected with the terminal (231). 4. The socket according to claim 1, wherein the first cover body (110) has a wiring portion (106), and the wiring portion (106) is provided with terminal posts (231) and pressure pins (231) distributed at intervals. A wiring board (233), the wiring post gland (232) is connected to the wiring post (231), the wiring post (231) is used for setting cables, and the wiring pressing plate (233) is used for fixing the The cable; the second cover (120) comprises a bottom wall (101) and a side wall (102) connected at an angle, the bottom wall (101) is provided with a mounting portion (103), and the mounting The part (103) is spaced apart from the side wall (102); the flip cover (200) includes a flip cover body (210) and an extension part (220) connected with the flip cover body (210), the extension part (220) ) is rotatably connected to the mounting portion (103), so that the flip body (210) can be rotated relative to the second cover (120) to expose or shield the wiring portion (106). 5. The socket according to claim 4, characterized in that, the mounting portion (103) is provided with one of a rotating shaft (221) and an insertion hole (104); the extension portion (220) is far away from One end of the flip body (210) is provided with the other of the rotation shaft (221) and the insertion hole (104), and the rotation shaft (221) and the insertion hole (104) can be connected with each other. Rotating plug fit. 6 . The socket according to claim 5 , wherein the mounting portion ( 103 ) comprises a mounting groove recessed toward the inner side of the housing ( 100 ), and a groove wall of the mounting groove is provided with the rotating shaft. 7 . (221) and one of the insertion holes (104). 7. The socket according to claim 6, wherein the extension part (220) is provided with the rotating shaft (221), and an end of the rotating shaft (221) away from the extension part (220) is provided with a guide an inclined surface (222), the guiding inclined surface (222) is used for sliding fit with the groove wall of the installation groove. 8 . The socket according to claim 6 , wherein the bottom wall ( 101 ) is further provided with an escape groove ( 105 ), and two ends of the escape groove ( 105 ) are respectively connected to the installation groove and the In the side wall (102), the extension part (220) can be embedded in the escape groove (105). 9. The socket according to claim 8, characterized in that, along a direction perpendicular to the bottom wall (101), the depth of the installation groove is greater than the depth of the escape groove (105). 10. The socket according to claim 8, wherein the extension portion (220) comprises a first plate (223), a second plate (224) and a third plate (225) connected at an angle in sequence, so that The end of the third plate (225) away from the second plate (224) is connected to the flip body (210), and the end of the first plate (223) away from the second plate (224) is provided with a The rotating shaft (221); the third plate (225) can be embedded in the escape groove (105), and the first plate (223) can be embedded in the installation groove.

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