CN101552402A - Panel embedded AC power supply output socket - Google Patents

Abstract

The invention discloses a panel embedded type alternating current power supply output socket which comprises a base, a cover plate and a wiring terminal, wherein the cover plate is provided with a jack, the cover plate is connected with the base, the cover plate is of a stepped panel structure, the base of the cover plate is of a plane structure, the base is provided with a convex boss which is convex and is matched with a plug in shape, the jack is arranged at a proper position of the boss, and a jack protection mechanism for protecting the jack is arranged between the base and the cover plate. The jack protection mechanism can be designed into different structures according to the socket structure, does not influence the insertion of a plug and the function of the socket, can effectively prevent the possibility that a small object is intentionally or unintentionally inserted into the socket, overcomes the design blind spot of the traditional socket, effectively improves the safety factor of the socket in use, and improves the practicability of the socket.

Description

Panel embedded AC power output socket

technical field

The invention relates to a panel embedded socket, in particular to a panel embedded AC power output socket.

Background technique

The structure of the traditional panel-embedded AC power output socket generally includes components such as a cover plate, a base, hardware terminals, and assembly screws, but the sockets in the prior art have the following defects:

1) The socket product itself does not have a socket safety protection design. During its application in daily life, it is easy for the user to touch the hardware terminals in the socket and cause an electric shock, which may even endanger life, especially for children and children. Elderly, there is a great potential safety hazard.

2) The appearance of the product is clumsy and monotonous. Generally, the outer surface of the socket adopts a square or circular plane structure. It is not easy to accurately align the plug with the socket for insertion during use, especially when the light is insufficient, it is even more inconvenient. , it often takes multiple attempts to succeed.

3) The above-mentioned socket with a planar structure is too large in overall volume, which takes up a lot of space and wastes cost and raw material cost when applied.

4) The sockets in the prior art can only be fixed by screws from the exposed part of the panel, and there is a possibility of being dismantled and damaged by random people at any time, which is extremely lacking in the safety of using such panel-embedded AC power output sockets and safety, it is impossible to protect the property rights of the owner of the related power supply device, resulting in the owner losing money and reducing economic benefits.

5) The overall installation (cover and base) of the socket in the prior art is generally combined by thermal welding and self-interlocking. Moisture enters the cavity of the socket, affecting its service life.

Contents of the invention

The purpose of the present invention is to provide a panel-embedded AC power output socket, which has a high safety factor, a firm structure, and convenient and quick use, which can effectively overcome the blind spots in socket design in the prior art and improve the practicability of the socket.

The above object of the present invention is achieved through the following technical solutions: the panel-embedded AC power output socket includes a base, a cover plate and a connection terminal, the cover plate is provided with a socket, and the cover plate is connected to the base, and it is characterized in that: The cover plate is a stepped panel structure, and its base is a planar structure. The base has a protruding boss matching the shape of the plug. The jack is opened at a suitable position of the boss. The base and cover A socket protection mechanism for protecting the socket is arranged between the boards.

The socket protection mechanism of the present invention can adopt the following structure: the socket protection mechanism is composed of a movable protection sheet and a return spring, the movable protection sheet is an inverted T-shaped structure, a vertical gap is opened in the middle of the lower part, and a top end of the upper part is provided. There is an inclined block, the return spring is located in the gap, the base has a guide groove, and the cover plate has a guide chamber at a position corresponding to the guide groove, and the guide groove and the guide chamber form a housing space, the movable protection sheet and the return spring are installed in the accommodating space, and the installation position of the movable protection sheet corresponds to the opening position of the socket.

The invention adds a socket protection mechanism inside the socket to protect the socket. The socket protection mechanism neither affects the insertion of the plug nor the function of the socket, and can effectively prevent the possibility of small objects being inserted into the socket intentionally or unintentionally. , to overcome the design blind spots of traditional sockets, and effectively improve the safety factor of sockets in use. In the present invention, the socket protection mechanism is composed of a movable protection sheet and an elastic member. When the movable protection sheet is installed in the socket, when the socket is not working, the inclined block blocks one of the sockets, and the lower part of the movable protection sheet Block the other two jacks. When the plug needs to be inserted into the socket, the plug is inserted into a jack blocked by the inclined block. The plug exerts force on the inclined block, and the force is transmitted to the movable protective sheet through the inclined block, so that the movable protective sheet is lowered as a whole. Move, compress the return spring, and at the same time make the horizontal part separate from the other two jacks, the whole plug is inserted into the three jacks, when the plug is pulled out from the jack, the movable protection sheet is restored under the restoring force of the return spring, blocking the three jacks .

The above-mentioned structural design of the socket protection mechanism of the present invention can automatically reset the movable protection sheet of the socket during work, and will not cause wear and tear due to excessive use time and excessive frequency, causing the movable sheet to be skewed and unable to be accurate. The phenomenon of homing or not homing occurs.

The base of the present invention is provided with a pair of guiding and positioning blocks at the junction with the guide groove, which play the role of guiding and positioning the movable protection sheet, and prevent the movable protection sheet and the return spring from detaching from the guide groove and losing their functions.

In order to allow the user to have a better sense of touch when using, the plug is easily and accurately aligned with the jack of the socket for insertion. The cover plate is a stepped panel structure, and its base is a planar structure. A boss matching the shape of the plug, the socket is opened at a proper position of the boss.

The above-mentioned design of the cover plate can not only reduce the space occupied by the embedded part of the socket, but also allow the user to easily and smoothly insert the plug for use when the light is insufficient.

The edge of the back of the base of the cover plate of the present invention is provided with screw holes, which avoids that the embedded socket of the general control panel only uses the buckle to fix it, which may cause excessive force when pulling out the plug or due to the preset on the control panel. The installation hole position of the socket does not fully match the embedded socket, so it is easy to fall off. In addition, the time required for professional assembly is significantly reduced due to the direct and simple assembly method.

The cover plate and the base of the present invention are connected by a threaded connection mechanism, and the threaded connection mechanism is composed of screws and threaded holes respectively provided on the cover plate and the base, and the screws pass through the cover plate and the base The cover plate and the base are screwed together after the threaded holes.

The connection mode of the wires of the socket in the present invention is directly fixed by screws, the screws are perpendicular to the bottom of the terminal, and there is a gap in the bottom of the base, and the wires are drawn out from the gap. This structural design not only saves space, but also plays the role of fixing the terminal. Compared with the traditional screw fixing from the side and wiring insertion self-locking, it is easier to install and more firm and reliable.

The socket protection mechanism of the present invention can also adopt the following structure: the socket protection mechanism is composed of a movable protection sheet and a return spring, and the movable protection sheet is an X-shaped structure, which has a ring sleeve and a pair of ring sleeves above the ring sleeve. The contact piece and a pair of supporting fan pieces located under the annular sleeve, the pair of contact pieces are all retracted arc surface structures, the two contact pieces are symmetrically arranged, and there is a gap between them, forming a retracted double Arc surface structure, the middle of the ring sleeve is provided with a sleeve hole, the two ends of the return spring are respectively connected to the pair of supporting fans, the inner wall of the cover plate is provided with a cylindrical boss, and the base A step-shaped cylindrical boss is provided at the position corresponding to the boss of the cover plate inside. corresponding to the hole position.

After adopting the above structure, when the plug is inserted, a piece of insert located above the plug first contacts with the contact piece and exerts a force on the contact piece. The other two jacks are convenient for the insertion of the other two inserts under the plug.

The socket protection mechanism of the present invention can also adopt the following structure: the socket protection mechanism is an H-shaped structure, which is composed of a pair of symmetrically arranged movable protection sheets and a return spring connecting the two, and the outer side of the movable protection sheet Both are provided with an inclined surface, and the middle protrusion on the inner side is provided with a convex point, and the two ends of the return spring are respectively fitted with the two convex points, and the inside of the base has a storage space for the socket protection mechanism , the movable protection is located in the accommodating space, and its installation position corresponds to the opening position of the socket.

After adopting the above-mentioned structure, when the plug is inserted, the inserting piece of the plug contacts the inclined surface of the movable protection sheet, squeezes the movable protection sheet, and moves closer to the middle after being squeezed, leaving the two live wire jacks of the socket. The movable protection sheet compresses the return spring during the process of closing in the middle; when the plug is pulled out from the socket, the movable protection sheet restores under the restoring force of the return spring, blocks the two live wire sockets, prevents the insertion of small objects when the socket is not in use, and improves the safety of the socket Use a safety factor.

The socket protection mechanism of the present invention can also adopt the following structure: the socket protection mechanism is a Y-shaped structure, which is composed of a movable protection sheet and a return spring, and the movable protection sheet is a U-shaped structure, and its two ends are symmetrical The arc-shaped contact surface is provided with a positioning gap in the middle, and the return spring is installed in the positioning gap, and the inside of the base has a positioning baffle and a mounting groove, and the returning spring is mounted in the mounting groove , the movable protection sheet is against the positioning baffle, and its installation position corresponds to the opening position of the jack.

After adopting the above structure, when the plug is inserted, the insert piece of the plug squeezes the arc-shaped contact surface, and the movable protection sheet moves downward after being pressed, and the arc-shaped contact surface leaves the two live wire jacks of the socket, and the movable protection sheet is at the same time The return spring is compressed during the downward movement; when the plug is pulled out from the socket, the movable protection sheet is restored under the restoring force of the return spring, blocking the two live wire sockets, preventing the insertion of small objects when the socket is not in use, and improving the safety factor of the socket .

Compared with prior art, the present invention has following remarkable effect:

(1) The invention adds a socket protection mechanism inside the socket to protect the socket. The socket protection mechanism neither affects the insertion of the plug nor the function of the socket, and can effectively prevent small objects from being inserted into the socket intentionally or unintentionally. The possibility of overcoming the design blind spots of traditional sockets can effectively improve the safety factor of sockets in use.

(2) The cover plate of the present invention has a stepped panel structure, which can allow users to have a better sense of touch and increase unique aesthetic recognition when using it, and this design can not only reduce the impact of the embedded part of the socket on the space Occupancy ratio, and also allows users to easily and smoothly insert the plug for use when the light is insufficient.

(3) The back edge of the base of the cover plate of the present invention is provided with screw holes, which avoids the general control panel embedded socket only using the buckle for fixing, resulting in excessive force when pulling out the plug or due to pre-installation on the control panel. The installation hole position of the device is not completely consistent with the embedded socket, so it is easy to fall off. In addition, because the assembly method is direct and simple, the time required for professional assembly is also greatly reduced, and the assembly efficiency is improved.

(4) The overall installation (cover plate and base) of the socket in the present invention is combined by screws, which is more firm than conventional heat welding and self-interlocking, and can be disassembled at any time to maintain the internal structure when necessary. It will not cause any damage, and fully achieve the zero loss rate pursued by the industry, thereby greatly improving the basic requirements for the economic benefits of related products.

(5) The socket wiring method of the present invention adopts the screw directly fixed type, and a gap is opened from the bottom of the socket base, which not only saves space, but also plays the role of fixing the terminal, which is better than traditional screw fixing from the side and wiring insertion self-locking , Easier to install and stronger and more reliable.

Description of drawings

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

Fig. 1 is a perspective view of Embodiment 1 of the panel-embedded AC power output socket of the present invention;

Fig. 2 is an exploded view of Embodiment 1 of the panel-embedded AC power output socket of the present invention;

Fig. 3 is an exploded view from another angle of the embodiment of the panel-embedded AC power output socket of the present invention;

Fig. 4 is a schematic diagram of the positional relationship between the cover plate, the base, the movable protection sheet and the return spring in Embodiment 1 of the panel-embedded AC power output socket of the present invention, showing the positional relationship among the four;

Fig. 5 is a schematic diagram of the positional relationship between the movable protection sheet and the cover plate in Embodiment 1 of the panel-embedded AC power output socket of the present invention;

Fig. 6 is a structural schematic diagram of Embodiment 1 of the panel-embedded AC power output socket and the plug of the present invention;

Fig. 7 is the back structure of the cover plate in Embodiment 1 of the panel-embedded AC power output socket of the present invention, showing the installation position of the wiring terminals;

Fig. 8 is a perspective view of Embodiment 2 of the panel-embedded AC power output socket of the present invention;

Fig. 9 is an exploded view of Embodiment 2 of the panel-embedded AC power output socket of the present invention;

Fig. 10 is an exploded view from another angle of Embodiment 2 of the panel-embedded AC power output socket of the present invention;

Fig. 11 is a schematic structural view of the movable protection sheet in Embodiment 2 of the panel-embedded AC power output socket of the present invention;

Fig. 12 is a perspective view of Embodiment 3 of the panel-embedded AC power output socket of the present invention;

Fig. 13 is an exploded view of Embodiment 3 of the panel-embedded AC power output socket of the present invention;

Fig. 14 is an exploded view from another angle of Embodiment 3 of the panel-embedded AC power output socket of the present invention;

Fig. 15 is a schematic structural view of a movable protection sheet in Embodiment 3 of the panel-embedded AC power output socket of the present invention;

Fig. 16 is a schematic structural view of another movable protection sheet in Embodiment 3 of the panel-embedded AC power output socket of the present invention;

Fig. 17 is a perspective view of Embodiment 4 of the panel-embedded AC power output socket of the present invention;

Fig. 18 is an exploded view of Embodiment 4 of the panel-embedded AC power output socket of the present invention;

Fig. 19 is an exploded view from another angle of Embodiment 4 of the panel-embedded AC power output socket of the present invention;

Fig. 20 is a schematic structural view of the movable protection sheet in Embodiment 4 of the panel-embedded AC power output socket of the present invention.

Detailed ways

Embodiment one

Embodiment 1 of the panel-embedded AC power output socket of the present invention is shown in FIGS. The connecting terminal 5 is a small hardware copper solid terminal, the cover 1 has a socket 1a, the cover 1 and the base 6 have threaded holes, and the screw 7 passes through the threaded holes on the cover 1 and the base 6 and then the cover The board 1 and the base 6 are screwed together so that the two form an integral socket structure.

The cover plate 1 is a stepped panel structure, and its base is a square planar structure. The base has a protruding triangular boss that matches the triangular plug. The triangular boss allows the user to easily plug the plug when the light is insufficient. Inserting, connecting terminals 4 and 5 are installed on the back of the cover plate 1, three sockets 1a are opened on the three tops of the triangular boss, the corners of the triangular boss are smooth arc surfaces, and the four corners at the back edge of the base of the cover plate are There are screw holes 1c available for fixing on the positions.

A movable protection sheet 2 and a return spring 3 are also arranged between the base 6 and the cover plate 1, both of which constitute the socket protection mechanism of the socket for protecting the socket, wherein the movable protection sheet 2 is an inverted T-shaped structure, That is to say, it is composed of a horizontal part positioned at the bottom and a vertical part perpendicular to the horizontal part. There is a vertical notch 2b in the middle of the lower part of the movable protection sheet 2, and an inclined block 2a is provided on the upper top of the vertical part. The return spring 3 is located in the notch. 2b, the base 6 has a guide groove 6a, and the base 6 is provided with a pair of guide positioning blocks 6b at the junction with the guide groove 6a. The bore 1b constitutes the accommodating space, and the movable protection sheet 2 and the return spring 3 are installed in the accommodating space. The guidance and positioning of the movable protection sheet 2 are all controlled by the guide positioning block 6b, and the installation position of the movable protection sheet 2 is consistent with the socket 1a. Corresponding to the positions of the openings, the movable protective sheet 2 is made of insulating materials such as plastics.

When the movable protective sheet 2 was installed in the socket, the inclined block 2a of its vertical part blocked one of the jacks, and the transverse part blocked the other two jacks. When the plug was inserted into a jack blocked by the inclined block 2a, the plug Apply force to the inclined block 2a, so that the movable protection sheet 2 moves down as a whole, compresses the return spring 3, and at the same time makes the lateral part separate from the other two jacks, and inserts the whole plug into the three jacks. When the plug is pulled out from the jack, the movable protection Sheet 2 restores under the restoring force of back-moving spring 3, blocks three jacks, prevents the insertion of small objects when the socket is not in use, and improves the use safety factor of the socket.

As shown in Figure 7, the socket wiring method of the present invention adopts the direct fixing method of screws, the screws are perpendicular to the bottoms of the terminals 4 and 5, and a gap is opened from the bottom of the socket base, and the wires are drawn out from the gap, which saves space. It also plays the role of fixing the terminal, which is easier to install and more firm and reliable than traditional screw fixing and wiring insertion self-locking from the side.

The bosses on the cover plate in the present invention can also be strip-shaped or quadrilateral or other boss shapes that match the shape of the plug. According to the needs of the plug, the jacks are provided at the proper positions of the bosses.

Embodiment two

The second embodiment of the panel-embedded AC power output socket of the present invention is shown in Figures 8 to 11, which includes a base 106, a cover 101, terminals 104, 105, and a socket protection mechanism, wherein the cover 101 is stepped The panel structure has a protruding boss suitable for the plug on the base, and a jack is opened on it, and the connection terminals 104, 105 and the jack protection mechanism are all installed in the socket.

The socket protection mechanism is composed of a movable protection piece 102 and a return spring 103. The movable protection piece 102 is an X-shaped structure, which has an annular sleeve 102b, a pair of contact pieces 102a, 102a located above the annular sleeve, and a pair of contact pieces 102a located below the annular sleeve. For the support fan 102c, a pair of contact pieces 102a, 102a/ are all retracted arc surface structures, and the two contact pieces are arranged symmetrically, leaving a gap between them to form a retracted double arc surface structure. There is a sleeve hole 102d in the middle of 102b, and the two ends of the return spring 103 are respectively connected to a pair of supporting fan pieces 102c. The inner wall of the cover plate 101 is provided with a cylindrical boss 101a, and the inside of the base 106 corresponds to the boss of the cover plate. A stepped cylindrical boss 106a is provided at the center, and the sleeve hole 102d of the movable protection sheet is fitted on the boss 106a of the base 106, and its installation position corresponds to the opening position of the socket.

The boss 101a of the cover plate is provided with a threaded hole 101b, and the boss 106a of the base is provided with a through hole 106b, and the screw 107 passes through the through hole 106b and is threadedly connected with the threaded hole 101b to connect the cover plate 101 and the base 106.

When the movable protection sheet 102 is installed in the socket, a pair of contact sheets 102a, 102a/ above it blocks one of the jacks, and a pair of support fan pieces 102c below blocks the other two jacks to prevent small objects from being inserted into the socket when the socket is not in use. When the plug is inserted, a piece of insert located above the plug first contacts the contact piece 102a, 102a/, and exerts force on the contact piece 102a, 102a/, because the contact piece 102a, 102a/ is a retracted double arc surface structure, after it is stressed, the movable protection sheet 102 is integrally rotated around the boss 106a of the base 106 through the annular sleeve 102b, so that the pair of supporting fan sheets 102c below it leave the other two jacks, so that the other two pieces below the plug can be inserted slice insertion.

Embodiment three

Embodiment 3 of the panel-embedded AC power output socket of the present invention is shown in Figures 12 to 16, which includes a base 206, a cover plate 201, connection terminals 204, 205 and a socket protection mechanism, wherein the cover plate 201 is stepped The panel structure has a protruding boss on the base that is compatible with the plug, and a jack is opened on it, and the connection terminals 204, 205 and the jack protection mechanism are all installed in the socket.

The socket protection mechanism is an H-shaped structure, which is composed of a pair of symmetrically arranged movable protection sheets 202, 202/ and a return spring 203 connecting the two. The outer sides of the movable protection sheets 202, 202/ are provided with inclined surfaces 202b, 202 /b, the inner middle convex is provided with convex points 202a, 202/a, and the two ends of the return spring 203 are respectively fitted with two convex points 202a, 202/a, and the inside of the base 206 has an accommodating space 206b for the socket protection mechanism , the movable protection 202, 202/ is located in the accommodating space 206b, and its installation position corresponds to the opening position of the socket.

The cover plate 201 has a boss 201a, and the boss 201a is provided with a threaded hole, and the base 206 is also provided with a boss 206a corresponding to the boss 201a of the cover plate, and a through hole is opened on the 206a, and the screw 207 passes through the through hole Afterwards, it is threadedly connected with the threaded hole, and the cover plate 201 is connected with the base 206 .

When the movable protection sheet 202, 202/ is installed in the socket, the two live wire jacks of the socket are blocked to prevent the insertion of small objects when the socket is not in use. The inclined surfaces 202b, 202/b are in contact with each other, and the movable protection sheets 202, 202/ are squeezed, and the two movable protection sheets 202, 202/ are moved closer to the middle under the action of the extrusion force, leaving the two live wire jacks of the socket, and at the same time The two movable protection sheets compress the return spring 203 during the process of moving closer together; when the plug is pulled out from the socket, the movable protection sheets 202, 202/are restored under the restoring force of the return spring 203, blocking the two live wire sockets and improving the use of the socket Safety factor.

Embodiment Four

Embodiment 4 of the panel-embedded AC power output socket of the present invention is shown in Figures 17 to 20, which includes a base 306, a cover plate 301, terminals 304, 305 and a socket protection mechanism, wherein the cover plate 301 is stepped The panel structure has a protruding boss suitable for the plug on the base, and a jack is opened on it, and the connecting terminals 304, 305 and the jack protection mechanism are all installed in the socket.

The socket protection mechanism is a Y-shaped structure, which is composed of a movable protection sheet 302 and a return spring 303. The movable protection sheet 302 is a U-shaped structure, and its two ends are symmetrically arranged arc-shaped contact surfaces 302a, 302a/, and a positioning device is provided in the middle. Notch 302b, return spring 303 is installed in the positioning notch 302b, the inside of the base 306 has a positioning baffle 306a and installation groove 306b, return spring 303 is installed in the installation groove 306b, movable protection sheet 302 against the positioning baffle 306a, its installation The position corresponds to the opening position of the jack.

When the movable protective sheet 302 is installed in the socket, its two arc-shaped contact surfaces 302a, 302a/block the two live wire jacks of the socket, preventing the insertion of small objects when the socket is not in use. The arc-shaped contact surfaces 302a, 302a/ are in contact with each other, and the arc-shaped contact surfaces 302a, 302a/ are squeezed, and the movable protection sheet 302 moves downward after being pressed, and the arc-shaped contact surfaces 302a, 302a/ leave the two live wire plugs of the socket. At the same time, the movable protection sheet 302 compresses the return spring 303 during the downward movement; when the plug is pulled out from the jack, the movable protection sheet 302 is restored under the restoring force of the return spring 303, blocking the two live wire jacks, and improving the use of the socket Safety factor.

Claims (10)

1. panel embedded type alternating current power supply output socket; comprise base, cover plate and binding post; have jack on the cover plate; cover plate links to each other with base; it is characterized in that: described cover plate is the panel construction of notch cuttype, and its base portion is a planar structure, have evagination on the base portion with the suitable boss of plug shape; described jack is opened in the correct position of described boss, is provided with the jack protection mechanism of protection jack between described base and the cover plate.

2. panel embedded type alternating current power supply output socket according to claim 1; it is characterized in that: described jack protection mechanism is made up of movable screening glass (2) and back-moving spring (3); described movable screening glass (2) is the inverted T shape structure; have a vertical cut (V. cut) (2b) in the middle of its underpart; upper end is provided with a skewback (2a); described back-moving spring (3) is positioned at described breach (2b); described base (6) has guide groove (6a); described cover plate (1) has with described guide groove (6a) opposite position place and leads thorax (1b); described guide groove (6a) and lead thorax (1b) and constitute accommodation space; described movable screening glass (2) and back-moving spring (3) are installed in the described accommodation space, and the installation site of described movable screening glass (2) is corresponding with the position of opening of described jack (1a).

3. panel embedded type alternating current power supply output socket according to claim 2 is characterized in that: described base (6) is being provided with a pair of guide-localization piece (6b) with described guide groove (6a) junction.

4. panel embedded type alternating current power supply output socket according to claim 1 is characterized in that: the edge at the base portion back side of described cover plate (1) offers screw hole (1c).

5. panel embedded type alternating current power supply output socket according to claim 1, it is characterized in that: described cover plate (1) links to each other by threaded connection with base (6), described threaded connection is made up of screw (7) and the screwed hole that is opened in respectively on described cover plate and the base, and described screw (7) after passing screwed hole on described cover plate (1) and the base (6) is threaded described cover plate (1) and base (6).

6. panel embedded type alternating current power supply output socket according to claim 1, it is characterized in that: the mode of connection of the lead of described socket adopts the direct fixed form of screw, screw is perpendicular to the bottom of binding post (4,5), and the bottom of base has a breach, and lead is drawn from this breach.

7. panel embedded type alternating current power supply output socket according to claim 1; it is characterized in that: described jack protection mechanism is made up of movable screening glass (102) and back-moving spring (103); described movable screening glass (102) is an X type structure; it has annular cover (102b); be positioned at a pair of contact chip (102a of annular cover top; 102a ') and be positioned at a pair of support fan sheet (102c) of annular cover below; described a pair of contact chip (102a; 102a ') be in the globoidal structure of miniature; two contact chips are symmetrical arranged; leave the gap between the two; the two globoidal structures of miniature in constituting; have trepanning (102d) in the middle of the described annular cover (102b); the two ends of described back-moving spring (103) are connected on the described a pair of support fan sheet (102c); the inwall of described cover plate (101) is provided with cylindrical boss (101a); the inside of described base (106) and described cover plate boss opposite position place are provided with stair-stepping cylindrical boss (106a); the trepanning of described movable screening glass (102d) is sleeved on the boss (106a) of described base (106), and its installation site is corresponding with the position of opening of described jack.

8. panel embedded type alternating current power supply output socket according to claim 7, it is characterized in that: offer screwed hole (101b) on the boss of described cover plate (101a), offer through hole (106b) on the boss of described base (106a), screw (107) passes described through hole (106b) back and is threaded with described screwed hole (101b), and described cover plate is linked to each other with base.

9. panel embedded type alternating current power supply output socket according to claim 1; it is characterized in that: described jack protection mechanism is a H type structure; it is by a pair of symmetrically arranged movable screening glass (202; 202 ') form with the back-moving spring that is connected both (203); described movable screening glass (202; 202 ') the outside be equipped with inclined plane (202b; 202 ' b); inboard centre convexes with salient point (202a; 202 ' a); the two ends of described back-moving spring (203) are set with described two salient point (202a; 202 ' a); the inside of described base (206) has the accommodation space (206b) that holds described jack protection mechanism; described movable protection (202; 202 ') being positioned at described accommodation space (206b), its installation site is corresponding with the position of opening of described jack.

10. panel embedded type alternating current power supply output socket according to claim 1; it is characterized in that: described jack protection mechanism is a y-type structure; it is made up of movable screening glass (302) and back-moving spring (303); described movable screening glass (302) is the U-shaped structure; its two ends are symmetrically arranged arc contact surface (302a; 302a '); the centre is provided with locating notch (302b); described back-moving spring (303) is installed in the described locating notch (302b); the inside of described base (306) has positioning baffle (306a) and mounting groove (306b); described back-moving spring (303) is installed in the described mounting groove (306b); described movable screening glass (302) props up described positioning baffle (306a), and its installation site is corresponding with the position of opening of described jack.

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