CN212810773U - Desktop socket - Google Patents

Abstract

The utility model provides a desktop socket belongs to the electrical equipment field. The desktop socket comprises a shell, a jack module and a support assembly, wherein the jack module is partially positioned in the shell, and the support assembly is positioned in the shell and is connected with the shell; the side wall of the shell is provided with an insertion hole, and the jack module is positioned in the insertion hole; the jack module is provided with a stop structure, and the stop structure is positioned in the shell; the bracket component has limit structure, and limit structure and backstop structure cooperate to carry on spacingly to the jack module. When the desktop socket is assembled, the jack module is inserted into the insertion hole from the outer side of the shell, the stop structure is located in the shell and can be matched with the limit structure of the support assembly located in the shell, the jack module is limited through the limit structure, and therefore the jack module is prevented from being separated from the insertion hole, the jack module can be firmly installed in the insertion hole, and inconvenience in operation caused by screwing screws on the inner side wall of the shell is avoided.

Description

Desktop socket

Technical Field

The disclosure relates to the field of electrical equipment, in particular to a desktop socket.

Background

The desktop socket is a socket which can be directly placed on a desktop for use. The desktop socket comprises a shell and a jack module, wherein the side wall of the shell is provided with an insertion hole, and the jack module is installed in the insertion hole.

The shell is usually only provided with one side which can be opened, and other parts of the shell except the side which can be opened are manufactured by adopting an integral forming process and are a complete whole. The jack module is provided with jacks which can be connected with plugs. After the jack module is installed in the plug hole, the jack module needs to be axially limited so as to avoid the jack module from being separated from the shell.

Because the volume of desktop socket is less usually, if adopt traditional fixed mode, on the inboard inside wall of fixing the jack module to the casing through the screw of passing through of casing, when screwing the screw, do not have sufficient operating space in the casing, lead to the operation very inconvenient.

SUMMERY OF THE UTILITY MODEL

The embodiment of the disclosure provides a desktop socket, which can facilitate the installation of a jack module. The technical scheme is as follows:

the embodiment of the disclosure provides a desktop socket, which comprises a shell, a jack module and a support assembly, wherein the jack module is partially positioned in the shell, and the support assembly is positioned in the shell and is connected with the shell;

the side wall of the shell is provided with an insertion hole, and the jack module is positioned in the insertion hole;

the jack module has a stop structure located within the housing;

the bracket component is provided with a limiting structure, and the limiting structure is matched with the stopping structure so as to limit the jack module.

Optionally, the stop structure comprises a stop protrusion located on an outer sidewall of the jack module;

the limiting structure is located on one side of the jack module and located between the stop protrusion and the inner wall of the shell where the insertion hole is located.

Optionally, the stopping protrusion extends radially outwards of the insertion hole, and a surface of the stopping protrusion close to the limiting structure is perpendicular to the axis of the insertion hole.

Optionally, the stopping structure comprises two stopping protrusions, and the two stopping protrusions are distributed symmetrically with respect to the axis center of the insertion hole.

Optionally, the housing includes a cylindrical body and an end cover, one end of the cylindrical body has an opening, the end cover is located at the opening and is detachably connected to the cylindrical body, and the insertion hole is located in a side wall of the cylindrical body;

the limiting structure comprises a limiting column, and the length direction of the limiting column is parallel to the axis of the cylindrical body.

Optionally, the bracket assembly comprises a heat insulation plate and a support frame, the support frame is positioned on one side of the heat insulation plate far away from the end cover, the support frame is detachably connected with the heat insulation plate, and the limiting column is positioned on one side of the heat insulation plate close to the support frame and connected with the heat insulation plate;

the jack module is located between the heat insulation plate and the support frame.

Optionally, the limiting column has an alignment groove extending along the length direction thereof, and the support frame has an alignment rib located in the alignment groove.

Optionally, the desktop socket further includes a panel and an ear plate, the panel is located on an outer side wall of the cylindrical body, the ear plate is located on a side of the panel close to the cylindrical body and connected to the panel, and the ear plate is located in the cylindrical body;

the closed end of the cylindrical body, the bracket component, the ear plate and the end cover are connected through the same screw.

Optionally, the one end inner wall that the tube-shape body is confined has first screw post, the bracket component has the second screw post, the inner wall of end cover has the third screw post, first screw post the second screw post the third screw post all with the screw is coaxial to link to each other, the otic placode is located first screw post with between the third screw post.

Optionally, the outer sidewall of the jack module has an outer flange, the outer flange is located outside the housing, the outer flange extends along the radial direction of the insertion hole, and the outer diameter is greater than the aperture of the insertion hole.

The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:

when the desktop socket is assembled, the jack module is inserted into the insertion hole from the outer side of the shell, the stop structure is located in the shell and can be matched with the limit structure of the support assembly located in the shell, the jack module is limited through the limit structure, and therefore the jack module is prevented from being separated from the insertion hole, the jack module can be firmly installed in the insertion hole, and inconvenience in operation caused by screwing screws on the inner side wall of the shell is avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is an external structural schematic view of a desktop socket provided in an embodiment of the present disclosure;

fig. 2 is an external structural schematic view of a desktop socket provided by an embodiment of the present disclosure;

fig. 3 is an exploded view of a desktop socket according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram illustrating an assembly process of a desktop socket provided by an embodiment of the present disclosure;

fig. 5 is a partial schematic structural view of a desktop socket according to an embodiment of the disclosure;

FIG. 6 is a schematic structural diagram of a desktop socket provided by an embodiment of the present disclosure;

FIG. 7 is a schematic view of an assembly of a support bracket and a heat shield according to an embodiment of the disclosure;

FIG. 8 is a schematic diagram illustrating an assembly process of a desktop socket provided by an embodiment of the present disclosure;

fig. 9 is an assembly view of a desktop socket provided by an embodiment of the present disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," "third," and similar terms in the description and claims of the present disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.

Fig. 1 is an external structural schematic diagram of a desktop socket provided in an embodiment of the present disclosure. As shown in FIG. 1, the desktop receptacle is generally a right cylinder having a top surface, a bottom surface, and a plurality of side surfaces. In use, the bottom surface of the desktop socket may be supported on a desktop. The desktop receptacles may also be right cylinders, and the disclosed embodiments are not limited to the overall exterior shape thereof. Fig. 2 is an external structural schematic diagram of a desktop socket provided in an embodiment of the present disclosure. Figure 2 shows another perspective view of the desktop receptacle of figure 1. With reference to fig. 1 and 2, buttons, indicator lights, jacks and the like may be disposed at the sides of the desktop receptacle to facilitate the user to operate and connect the plug. The top surface of the desktop socket can also be used for wirelessly charging a mobile terminal, such as a mobile phone.

Fig. 3 is an exploded schematic view of a desktop socket according to an embodiment of the present disclosure. As shown in fig. 3, the desktop receptacle includes a housing 10, a jack module 20, and a rack assembly 30. The jack module 20 is partially located in the housing 10, and the rack assembly 30 is located in the housing 10 and connected to the housing 10.

The side wall of the housing 10 has a plug-in opening 10a, in which plug-in module 20 is located.

By way of example, the desktop receptacle includes two jack modules 20, a side wall of the housing 10 has two insertion holes 10a, and the two insertion holes 10a are located on two opposite side walls of the housing 10.

The jack module 20 has a stop structure 21, the stop structure 21 being located within the housing 10.

The bracket assembly 30 has a limiting structure 301, and the limiting structure 301 cooperates with the stopping structure 21 to limit the jack module 20.

When the desktop socket is assembled, the jack module is inserted into the insertion hole from the outer side of the shell, the stop structure is located in the shell and can be matched with the limit structure of the support assembly located in the shell, the jack module is limited through the limit structure, and therefore the jack module is prevented from being separated from the insertion hole, the jack module can be firmly installed in the insertion hole, and inconvenience in operation caused by screwing screws on the inner side wall of the shell is avoided.

Fig. 4 is a schematic diagram illustrating an assembly process of a desktop socket according to an embodiment of the present disclosure. Referring to fig. 3 and 4, the housing 10 may include a cylindrical body 11 and an end cap 12. One end of the cylindrical body 11 is provided with an opening 11a, the end cover 12 is positioned at the opening 11a and is detachably connected with the cylindrical body 11, and the insertion hole 10a is positioned on the side wall of the cylindrical body 11. Since the cylindrical body 11 has an opening 11a at one end, and the end cap 12 is detachable, when assembling the desktop socket, the end cap 12 can be detached, the bracket assembly 30 and other components can be installed inside the cylindrical body 11 from the opening 11a, and then the end cap 12 can be installed.

Alternatively, the housing 10 may be a right cylinder or an oblique cylinder, and one end of the housing 10 is a top end and the other end is a bottom end. The housing 10 is a cylinder to facilitate the placement of the desktop socket. The embodiment of the present disclosure takes the housing 10 as an oblique cylinder as an example.

In the embodiment of the present disclosure, the closed end of the cylindrical body 11 is the top end of the desktop socket, and the end where the opening 11a is located is the bottom end. When the desktop socket is used, the desktop socket is integrally supported on a desktop through the end cover 12. The outer wall of the end cap 12 is provided with a plurality of spacers 1211 to allow the desktop socket to be more stably placed on a desktop.

Fig. 5 is a partial schematic structural diagram of a desktop socket according to an embodiment of the disclosure. The portion shown in figure 5 is the upper half of the desktop receptacle cut along plane i shown in figure 2. As shown in fig. 5, the stopper structure 21 may include a stopper protrusion 211. The stop boss 211 is located on the outer sidewall of the jack module 20. The limiting structure 301 is located at one side of the jack module 20 and located between the stopping protrusion 211 and the inner wall of the housing 10 where the insertion hole 10a is located.

The jack module 20 projects into the housing 10 through the insertion opening 10a, forming a gap a between the stop projection 211 and the inner wall of the housing 10 in which the insertion opening 10a is located. The stop structure 301 is disposed in the gap a, and if the jack module 20 moves out of the insertion hole 10a, the stop structure 301 can block the stop protrusion 211, so that the jack module 20 cannot be removed from the insertion hole 10 a.

Alternatively, the stopping structure 21 may include two or more stopping protrusions 211, and the stopping protrusions 211 are spaced apart from each other along the circumferential direction of the insertion hole 10 a. The stop projections 211 cooperate together to make the jack module 20 more stable.

In the embodiment of the present disclosure, the stopping structure 21 includes two stopping protrusions 211, and the two stopping protrusions 211 are distributed symmetrically with respect to the axial center of the insertion hole 10 a. The excessive arrangement of the stopping protrusions 211 not only increases the processing cost, but also increases the assembly difficulty of the desktop socket. The stops provided by the two centrally symmetrical stop projections 211 from both sides of the jack module 20 are sufficient to stably restrain the jack module 20 on the housing 10.

Alternatively, the stopping protrusion 211 may extend radially outward of the insertion hole 10a, and the surface of the stopping protrusion 211 near the limiting structure 301 is perpendicular to the axis of the insertion hole 10 a. In the radial direction of the insertion hole 10a, the stopping protrusion 211 protrudes from the outer side wall of the jack module 20, and the surface of the stopping protrusion 211 close to the limiting structure 301 is perpendicular to the axis of the insertion hole 10a, so that the surface of the stopping protrusion 211 close to the limiting structure 301 can have a larger contact area with the limiting structure 301.

Fig. 6 is a schematic structural diagram of a desktop socket provided in an embodiment of the present disclosure. In fig. 6, a portion of the structure is removed to facilitate the illustration of the relationship between the stopper structure 301 and the stopper protrusion 211. As shown in fig. 6, the outer side wall of the jack module 20 may have an outer flange 22, the outer flange 22 is located outside the casing 10, and the outer flange 22 extends in the radial direction of the insertion hole 10a and has an outer diameter larger than the diameter of the insertion hole 10 a. The provision of the outer flange 22 may further restrain the jack module 20 from being loose from outside the housing 10.

As shown in fig. 6, the position limiting structure 301 comprises a position limiting column 311. The stopper 311 may be inserted into a gap a between the stopper protrusion 211 and the inner wall of the housing 10 where the insertion hole 10a is located. The position-limiting post 311 is not yet installed in fig. 6, and fig. 5 shows a state where the position-limiting post 311 is inserted into the gap a. The surface of the stop protrusion 211 close to the limiting structure 301 contacts with the sidewall of the limiting post 311, and the jack module 20 cannot be pulled out from the insertion hole 10a by the stop of the limiting post 311.

In the process of actually making the desktop socket, various unavoidable errors inevitably exist, and based on these errors, the looseness degree of the jack module 20 is determined by the size of the gap between the surface of the stop protrusion 211 close to the limiting structure 301 and the limiting column 311, the larger the gap is, the larger the movable range of the jack module 20 is, and through reducing the error as much as possible, the gap between the surface of the stop protrusion 211 close to the limiting structure 301 and the limiting column 311 is reduced, so that the jack module 20 can be installed more stably.

The limiting posts 311 are arranged corresponding to the stopping protrusions 211 one by one, in the embodiment of the present disclosure, the limiting structure 301 includes two limiting posts 311, and the jack module 20 is located between the two limiting posts 311.

Alternatively, the length direction of the stopper column 311 may be parallel to the axis of the cylindrical body 11. Because the end cover 12 is located at one end of the cylindrical body 11 with the opening 11a, except that the jack module 20 can be installed through the insertion hole 10a, most of the components located in the housing 10 can be installed inside the cylindrical body 11 from the opening 11a of the cylindrical body 11, the limiting column 311 is arranged in a manner parallel to the axis of the cylindrical body 11, when the limiting column 311 is installed, the limiting column 311 can be directly sent into the cylindrical body 11 along the axis direction of the cylindrical body 11, and the limiting column 311 is inserted into the gap a formed between the stopping protrusion 211 and the inner wall of the housing 10, so that the assembly of the desktop socket is facilitated.

As shown in fig. 6, the bracket assembly 30 may include a heat shield 31 and a support bracket 32. The supporting frame 32 is located on one side of the heat insulation plate 31 far away from the end cover 12, the supporting frame 32 is detachably connected with the heat insulation plate 31, and the limiting column 311 is located on one side of the heat insulation plate 31 close to the supporting frame 32 and connected with the heat insulation plate 31.

The rack assembly 30 is a structure within a desktop receptacle that provides a mounting foundation. As shown in fig. 6, an accommodating space B is formed between the supporting frame 32 and the inner wall of the closed end of the tubular body 11, and the accommodating space B can be used for accommodating a wireless charging module, which can be fixed on the supporting frame 32. An accommodating space C is also formed between the heat insulation plate 31 and the inner wall of the end cover 12 (the end cover 12 is omitted in fig. 6), the accommodating space C can be used for accommodating a printed circuit board, the printed circuit board can be fixed on the heat insulation plate 31, the printed circuit board and the jack module 20 are separated at the same time, the jack module 20 and the wireless charging module can generate large heat to raise the temperature in the working process, the heat insulation plate 31 can prevent the printed circuit board from being affected by high temperature, and the printed circuit board can be ensured to normally work. The limiting columns 311 are arranged on the heat insulation plate 31, when the assembly is carried out, the heat insulation plate 31 is placed into the cylindrical body 11 along the axial direction of the cylindrical body 11, so that the limiting columns 311 are also inserted into the gap A formed by the stopping protrusions 211 and the inner wall of the shell 10, no new process step is added in the assembly, and the assembly efficiency of the desktop socket is not influenced.

Fig. 7 is an assembly schematic view of a support bracket and a heat insulation board provided by the embodiment of the disclosure. As shown in fig. 7, the positioning column 311 has an alignment groove 311a extending along the length direction thereof, and the support frame 32 has an alignment rib 321, and the alignment rib 321 is located in the alignment groove 311a (in fig. 7, the support frame 32 and the heat insulation board 31 are not assembled in place yet). Through the matching of the alignment groove 311a and the alignment rib 321, the positioning and guiding functions can be achieved, and the assembly of the support frame 32 and the heat insulation plate 31 is facilitated.

Referring to fig. 4, when assembling the desktop receptacle, the supporting frame 32 may be first placed into the cylindrical body 11 to be located at a side of the insertion hole 10a close to the closed end of the cylindrical body 11, then the jack module 20 is inserted into the insertion hole 10a, and finally the heat insulation board 31 is placed into the cylindrical body 11, the alignment groove 311a is aligned with the alignment protrusion 321, and then the heat insulation board 31 is pushed to slide the alignment protrusion 321 into the alignment groove 311a, so that the limit post 311 is inserted into the gap a formed between the stop protrusion 211 and the inner wall of the housing 10. The supporting frame 32 and the heat insulating plate 31 may be coupled by screws so that the bracket assembly 30 is integrated and the stopper posts 311 may be held in the gaps a.

Fig. 8 is a schematic view illustrating an assembly process of a desktop socket according to an embodiment of the present disclosure. Part of the side walls of the housing 10 and the jack module 20 are omitted in fig. 8. As shown in fig. 8, the inner wall of the closed end of the cylindrical body 11 may have a first screw post 111, the bracket assembly 30 may have a second screw post 322, the inner wall of the end cap 12 may have a third screw post 121, and the first screw post 111, the second screw post 322, and the third screw post 121 may be coaxially connected by a screw 40. After the bracket assembly 30 is placed into the cylindrical body 11, the second screw post 322 on the bracket assembly 30 is coaxial with the first screw post 111 located on the inner wall of the closed end of the cylindrical body 11, and when the end cover 12 is covered on the opening 11a of the cylindrical body 11, the third screw post 121 on the inner wall of the end cover 12 is coaxial with the second screw post 322, so that the locking can be performed by the same screw 40.

As an example, the second screw column 322 may be located on the supporting frame 32, and in other possible implementations, the second screw column 322 may also be located on the heat insulation plate 31.

Fig. 9 is an assembly view of a desktop socket provided by an embodiment of the present disclosure. Part of the side walls of the housing 10 and the jack module 20 are omitted in fig. 9. As shown in fig. 9, the second screw post 322 may include a sleeve 3221 and a ring-shaped end plate 3222, the ring-shaped end plate 3222 being located at one end of the sleeve 3221 and connected to the sleeve 3221. The sleeve 3221 is sleeved on the first screw column 111 or the third screw column 121, the ring-shaped end plate 3222 is located between the first screw column 111 and the third screw column 121, and the screw 40 is located in the ring-shaped end plate 3222. As an example, in the disclosed embodiment, the sleeve 3221 is sleeved outside the first screw post 111. The second screw post 322 is sleeved outside the first screw post 111 or the third screw post 121, so that the bracket assembly 30 can be installed more stably.

The aforementioned gasket 1211 may be provided on the outer wall of the end cap 12 at a position corresponding to the third screw post 121, so that the presence of the screw post and the screw may be visually imperceptible by the gasket 1211.

As shown in fig. 3, the side wall of the housing 10 has a plurality of hollow areas besides the insertion holes 10a, and the hollow areas can be used for arranging the buttons 101, the indicator lights 102, and other interfaces 103, such as a USB (Universal Serial Bus) charging interface. To block the hollowed-out area, the desktop receptacle may further include an outer cover 50. In the disclosed embodiment, the desktop receptacle includes two outer cover plates 50. Two outer cover plates 50 are located on opposite sides of the housing 10, the two outer cover plates 50 being typically provided in different colors for easy differentiation.

As shown in fig. 8 and 9, one of the outer cover plates 50 includes a face plate 51 and an ear plate 52. The panel 51 is located on the outer side wall of the tubular body 11, and the ear plate 52 is located on the side of the panel 51 close to the tubular body 11 and connected to the panel 51. The ear plate 52 is located within the cylindrical body 11. The panel 51 is used to shield the hollow area of the side wall of the housing 10, and also serves as a mounting base for buttons, indicator lights and other interfaces. The ear plate 52 is used to fix the panel 51 to the housing 10.

The closed end of the tubular body 11, the bracket assembly 30, the ear plate 52 and the end cap 12 may be connected by the same screw 40. The use of screws can be reduced by connecting the cylindrical body 11, the bracket assembly 30, the ear plate 52 and the end cap 12 with the same screw 40. And also ensures that the outer cover 50 is secured with screws so that the desktop receptacle meets the relevant standards, such as VDE (verband deutscher elektrotechniker, german institute of electrical engineers).

The ear plate 52 may be located between the first stud 111 and the third stud 121. As shown in fig. 9, in the embodiment of the disclosure, since the second screw post 322 is sleeved outside the first screw post 111, the ear plate 52 is located between the second screw post 322 and the third screw post 121. In other embodiments, if the second screw post 322 is sleeved outside the third screw post 121, the ear plate 52 may be located between the first screw post 111 and the second screw post 322.

The screw 40 is located in the through hole of the ear plate 52, the screw 40 sequentially passes through the third screw post 121, the ear plate 52, the second screw post 322 and the first screw post 111, and in the process of screwing the screw 40, the cylindrical body 11, the bracket assembly 30, the external cover plate 50 and the end cover 12 are fixed at the same time, and the screw 40 can be screwed in from the outside of the end cover 12 by a tool, so that the operation is convenient.

The external cap plate 50 may also be directly fixed to the sidewall of the case 10 by screws without sharing the screws with the first screw post 111, the second screw post 322, and the third screw post 121.

As shown in fig. 9, the other external cover plate 50 of the two external cover plates 50 of the desktop socket includes a panel 51 and a plurality of fourth screw posts 53, the fourth screw posts 53 are located on one side of the panel 51 close to the cylindrical body 11 and connected to the panel 51, and the side wall of the cylindrical body 11 is correspondingly provided with mounting holes. The fourth screw boss 53 is coupled to the mounting hole by a screw, thereby mounting the outer cover 50 to the outer wall of the housing 10.

Since the fourth screw post 53 is directly screwed to the sidewall of the cylindrical body 11, the external cover 50 having the fourth screw post 53 may be installed before the external cover 50 having the ear plate 52 in order to facilitate screwing, and since the two external covers 50 are installed at opposite sides of the housing 10, when the external cover 50 having the fourth screw post 53 is installed at one side of the housing 10, the screwing operation may be performed from a hollow area at the other side of the housing 10 by using a tool.

The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.

Claims (10)

1. A desktop outlet comprising a housing (10), a jack module (20), and a bracket assembly (30), the jack module (20) being partially disposed in the housing (10), the bracket assembly (30) being disposed in the housing (10) and being connected to the housing (10);

the side wall of the shell (10) is provided with an insertion hole (10a), and the jack module (20) is positioned in the insertion hole (10 a);

the jack module (20) having a stop structure (21), the stop structure (21) being located within the housing (10);

the bracket component (30) is provided with a limiting structure (301), and the limiting structure (301) is matched with the stopping structure (21) to limit the jack module (20).

2. The desktop socket of claim 1,

the stop structure (21) comprises a stop projection (211), and the stop projection (211) is positioned on the outer side wall of the jack module (20);

the limiting structure (301) is located on one side of the jack module (20) and located between the stop protrusion (211) and the inner wall of the shell (10) where the insertion hole (10a) is located.

3. The desk top socket of claim 2, wherein the stopping protrusion (211) extends radially outward of the insertion hole (10a), and a surface of the stopping protrusion (211) close to the limiting structure (301) is perpendicular to an axis of the insertion hole (10 a).

4. The desktop socket of claim 2,

the stop structure (21) comprises two stop protrusions (211), and the two stop protrusions (211) are distributed in a central symmetry mode about the axis of the insertion hole (10 a).

5. A desktop socket according to claim 4, wherein the housing (10) comprises a cylindrical body (11) and an end cover (12), one end of the cylindrical body (11) is provided with an opening (11a), the end cover (12) is positioned at the opening (11a) and is detachably connected with the cylindrical body (11), and the insertion hole (10a) is positioned on the side wall of the cylindrical body (11);

the limiting structure (301) comprises a limiting column (311), and the length direction of the limiting column (311) is parallel to the axis of the cylindrical body (11).

6. The table top socket as claimed in claim 5, wherein the bracket assembly (30) comprises a heat insulation plate (31) and a support frame (32), the support frame (32) is located on one side of the heat insulation plate (31) far away from the end cover (12), the support frame (32) is detachably connected with the heat insulation plate (31), and the limiting column (311) is located on one side of the heat insulation plate (31) close to the support frame (32) and connected with the heat insulation plate (31);

the jack module (20) is located between the heat insulation plate (31) and the support frame (32).

7. The table top socket of claim 6, wherein the position limiting post (311) has an alignment groove (311a) extending along the length direction thereof, and the supporting frame (32) has an alignment rib (321), and the alignment rib (321) is located in the alignment groove (311 a).

8. A desktop socket according to any one of claims 5 to 7,

the desktop socket further comprises a panel (51) and an ear plate (52), the panel (51) is positioned on the outer side wall of the cylindrical body (11), the ear plate (52) is positioned on one side of the panel (51) close to the cylindrical body (11) and connected with the panel (51), and the ear plate (52) is positioned in the cylindrical body (11);

the closed end of the cylindrical body (11), the bracket component (30), the ear plate (52) and the end cover (12) are connected through the same screw (40).

9. The desktop socket of claim 8,

tubular body (11) confined one end inner wall has first screw post (111), bracket component (30) have second screw post (322), the inner wall of end cover (12) has third screw post (121), first screw post (111) second screw post (322) third screw post (121) all with screw (40) are coaxial continuous, otic placode (52) are located first screw post (111) with between third screw post (121).

10. A desktop socket according to any one of claims 1 to 7, wherein the outer side wall of the jack module (20) has an outer flange (22), the outer flange (22) is located outside the housing (10), the outer flange (22) extends in the radial direction of the insertion hole (10a) and has an outer diameter larger than the diameter of the insertion hole (10 a).

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