CN216085447U

CN216085447U - Socket with improved structure

Info

Publication number: CN216085447U
Application number: CN202122271455.5U
Authority: CN
Inventors: 何永飞; 谢灿雁; 姜永春
Original assignee: Opple Lighting Co Ltd; Opple Lighting Electrical Appliance Zhongshan Co Ltd
Current assignee: Opple Lighting Co Ltd; Opple Lighting Electrical Appliance Zhongshan Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-18
Anticipated expiration: 2031-09-18

Abstract

The utility model provides a socket, which comprises a cover plate, a protective door, an electrified component, a base and a reset piece for driving the protective door to reset, wherein an installation part for installing the electrified component is formed in the base, the protective door is accommodated in the cover plate and covers the installation part, the protective door comprises a main body part and push-open parts extending from the main body part towards two sides, the main body part is provided with a first sliding part, a second sliding part matched with the first sliding part and anti-monopole limiting ribs positioned at two sides of the second sliding part are arranged in the base, the upper surface of each anti-monopole limiting rib is lower than the plane where the bottom of each push-open part is located, when an L pole/N pole plug is inserted, the protective door rotates relative to the second sliding part, and the push-open parts interfere with the corresponding anti-monopole limiting ribs, so that the protective door cannot slide. Compared with the prior art, the socket disclosed by the utility model can prevent the insertion of a single pole, and is simple in structure, labor-saving and material-saving.

Description

Socket with improved structure

Technical Field

The utility model relates to a socket, and belongs to the field of electric appliance protection.

Background

With the development of the industry, the socket has the function of preventing electric shock at present, and the prevention of electric shock is to provide an insulating protection door for the socket to isolate an electrified part in the socket from the external environment so as to prevent people from mistakenly contacting the electrified part. When a user uses the socket to take electricity, the insulating protection door can be pushed open to be inserted into the jack only by inserting the plug of the plug; after the plug is pulled out, the insulating protection door can automatically reset to block the electrified part below, the insulating protection door is provided with a monopole insertion prevention mechanism, even if a metal object is inserted into a single jack, the insulating protection door cannot be pushed open to contact the electrified part, so that the electric shock is avoided, and the electric shock prevention mechanism is particularly favorable for preventing children from electric shock.

In the switch socket industry, the insulation protective door of three flat plugs at present generally adopts E-pole drive to push the protective door open, although N/L-pole drive exists, the structure of the protective door is complex, so that the protective door is difficult to drive, two flat plugs and three flat plugs can not be used as a common protective door, the use by users is inconvenient, the material quantity is large, the production management is not facilitated, and the production cost is high.

In view of the above, there is a need for an improvement of the existing protective door to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a socket, a protection door of which is easy to drive, can prevent insertion of a single pole and has a simple structure.

In order to achieve the above object, the present invention provides a socket, including a cover plate, a protection door, an electric component, a base and a reset member for driving the protection door to reset, wherein the cover plate, the protection door, the electric component, the base and the reset member are assembled and fixed to each other, an installation portion for installing the electric component is formed in the base, the protection door is accommodated in the cover plate and covers over the installation portion, the protection door includes a main body portion and push-open portions extending from the main body portion toward two sides, the main body portion is provided with a first sliding portion, the base is provided with a second sliding portion matched with the first sliding portion and anti-monopole limiting ribs located at two sides of the second sliding portion, an upper surface of each anti-monopole limiting rib is lower than a plane where a bottom of each push-open portion is located, when an L pole/N pole plug is inserted, the protection door rotates relative to the second sliding portion, and the push-open portions interfere with the corresponding anti-monopole limiting ribs, making the protective door unable to slide.

As a further improvement of the utility model, the monopole-preventing limiting rib is arranged perpendicular to the bottom of the base, and the second sliding part is arranged parallel to the bottom of the base.

As a further improvement of the present invention, the first sliding portion is a sliding groove provided in a bottom portion of the main body portion, and the second sliding portion is a sliding shaft provided in the base.

As a further improvement of the utility model, the distance between the upper surface of the monopole-preventing limiting rib and the plane where the bottom of the push-away part is located is 0.3-0.6 mm.

As a further improvement of the present invention, a protrusion is disposed on a top of the push-open portion, an upper surface of the protrusion is lower than a lower surface of the cover plate, and when an L-pole/N-pole plug is inserted, the protective door rotates around the second sliding portion by 5 ° to 10 °, so that the protrusion interferes with the cover plate.

As a further improvement of the present invention, the two push-away parts are provided, and the distance between the outermost edges of the two push-away parts is 20mm at the minimum.

As a further improvement of the utility model, the cover plate is provided with an L-pole jack, an N-pole jack and/or an E-pole jack, and the push-away part respectively shields the L-pole jack and the N-pole jack.

As a further improvement of the utility model, a baffle and a plurality of limiting plates are arranged on the back surface of the cover plate, and the protective door is accommodated in an accommodating space formed by the plurality of limiting plates in an enclosing manner; be equipped with in the main part and accept the chamber and certainly the main part orientation accept the buckle of chamber projection, the one end cover of piece that resets is established on the buckle, the other end with baffle looks butt.

As a further improvement of the present invention, the live part includes an L-pole socket and an N-pole socket that are inserted flatly, and the push-away part shields the L-pole socket and the N-pole socket.

As a further improvement of the utility model, the live part comprises an L-pole plug bush, an N-pole plug bush and an E-pole plug bush which are inserted into three flat sockets, the push-open part shields the L-pole plug bush and the N-pole plug bush, and the E-pole plug bush is exposed.

The utility model has the beneficial effects that: on one hand, the socket is provided with the first sliding part on the protective door and the second sliding part and the monopole-preventing limiting rib on the base correspondingly, so that when a monopole is inserted, the monopole insertion can be prevented by utilizing the mutual interference of the second sliding part and the monopole-preventing limiting rib, and a better protective effect is achieved; on the other hand, the structure for installing the electrified part is combined with the base into a whole, so that the structure is simple, labor is saved, and materials are saved.

Drawings

Fig. 1 is an exploded view of the socket of the present invention.

Fig. 2 is an exploded view of the protective door and the return spring of fig. 1.

Fig. 3 is a schematic view of the structure of the protective door of fig. 2.

Fig. 4 is a schematic structural view of the protection door, the return spring and the cover plate after being assembled in the present invention.

Fig. 5 is a schematic structural view of the protection door, the return spring and the base of the present invention after assembly.

Fig. 6 is a schematic structural view of the utility model in which an L-pole plug and an N-pole plug are simultaneously inserted into an L-pole jack and an N-pole jack.

Fig. 7 is a schematic structural diagram of the L-pole plug or the N-pole plug of the utility model inserted into the L-pole jack or the N-pole jack in a single pole.

Detailed Description

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

As shown in fig. 1, the present invention discloses a socket, which comprises a cover plate 1, a protective door 2, a charging member 3, a base 4, and a reset member 5 for driving the protective door 2 to reset, wherein a mounting portion 42 for mounting the charging member 3 is formed in the base 4, the protective door 2 is accommodated in the cover plate 1 and covers above the mounting portion 42, and the reset member 5 is preferably a reset spring. The socket can be a three-flat socket or a two-flat socket, and has strong universality. The present invention has advantages of simplified structure and reduced cost by providing the mounting portion 42 for mounting the charging member 3 in the base 4, thereby eliminating the need for providing a separate structural member for mounting the charging member 3.

As shown in fig. 2 and fig. 3, the protective door 2 includes a main body 20 and two push-away portions 21 extending from the main body 20 toward two sides and disposed opposite to the L pole and the N pole of the three-flat plug/two-flat plug, and each push-away portion 21 is formed with a push-away slope; the bottom of the main body part 20 is provided with a first sliding part 22, and the base 4 is correspondingly provided with a second sliding part 40 matched with the first sliding part 22, so that when an L-pole plug and an N-pole plug of the three-flat plug/two-flat plug are simultaneously inserted and are contacted with the corresponding push-open inclined planes, the protective door 2 can slide along the second sliding part 40 under the action of force. In this embodiment, the first sliding portion 22 is a sliding slot formed in the bottom of the main body portion 20, and the second sliding portion 40 is a sliding shaft provided in the base 4; of course, in other embodiments, the first sliding portion 22 may be a sliding shaft disposed at the bottom of the main body portion 20, and in this case, the second sliding portion 40 is a sliding slot disposed in the base 4, which is not limited herein.

For convenience of description, the following description will take the first sliding portion 22 as a sliding chute and the second sliding portion 40 as a sliding shaft as an example, but the utility model should not be limited thereto.

The base 4 is also provided with anti-monopole limiting ribs 41 which are positioned at two sides of the sliding shaft 40 and are respectively matched with the protective door 2, the anti-monopole limiting ribs 41 are arranged perpendicular to the bottom of the base 4, and the sliding shaft 40 is arranged parallel to the bottom of the base 4 (namely arranged perpendicular to the anti-monopole limiting ribs 41). In the initial state (i.e., when the plug is not inserted), the upper surface of the monopole-preventing limiting rib 41 is lower than the plane of the bottom of the push-away part 21. Preferably, the distance between the upper surface of the anti-monopole limiting rib 41 and the plane where the bottom of the push-open part 21 is located is 0.3-0.6 mm, and preferably 0.4mm, and at this time, the normal sliding of the protection door 2 is not hindered.

The push-open inclined plane comprises an L-pole push-open inclined plane 24 and an N-pole push-open inclined plane 25, when the L-pole/N-pole plug is inserted into and contacts the L-pole push-open inclined plane 24/N-pole push-open inclined plane 25, the protective door 2 rotates around the sliding shaft 40 under the action of unilateral insertion force, at the moment, the push-open part 21 of the protective door 2 corresponding to the unilateral insertion force interferes with the monopole-preventing limiting rib 41, so that the protective door 2 cannot slide, and the monopole insertion is prevented.

Furthermore, the top of the push-open part 21 is provided with a convex part 23, when an L-pole plug or an N-pole plug inserted in the three-flat plug/two-flat plug is inserted and contacts with the corresponding push-open inclined plane, the protective door 2 rotates relative to the sliding shaft 40 until the convex part 23 abuts against the cover plate 1, at this time, the protective door 2 cannot slide, and the effect of preventing the protective door 2 from continuing to rotate is also achieved.

Preferably, the upper surface of the protrusion 23 is lower than the lower surface of the cover plate 1, so that when the L/N plug is inserted, the protective door 2 can rotate 5 ° to 10 ° around the sliding shaft 40 to cause the protrusion 23 to interfere with the cover plate 1, and the rotation angle is preferably 7 °, in which case, the interference between the protrusion 23 and the cover plate 1 is the best, and the effect of preventing the insertion of the monopole is also the best.

In this embodiment, the distance between the outermost edges of the two pushed-open portions 21 of the protective door 2 is 20mm at the minimum. The purpose of this arrangement is to be able to satisfy the lengths of the three flat insertion holes and the two flat insertion holes simultaneously, so that the protective door 2 can be adapted to both the two flat insertion holes and the three flat insertion holes.

In the prior art, the three flat jacks and the two flat jacks can be arranged in a split manner or in a combined manner on one cover plate 1, and the models of the protective doors of the three flat jacks and the protective doors of the two flat jacks are different, so that the materials are excessively wasted in use and the installation is complicated. The protective door 2 can be applied to a socket with three flat plugs and a socket with two flat plugs, so that the structure of the protective door 2 is simplified, and the material use and processing cost are saved. The structure and operation of the present invention will be described in detail below with reference to an integrally formed five-hole socket as an example.

Referring to fig. 1, 2, 4 and 5, the five-hole socket includes a cover plate 1, a protective door 2, a live part 3, a base 4, and a return spring 5 for returning the protective door 2. The cover plate 1 is provided with three flat jacks, two flat jacks and a baffle 14 which is vertical to the back surface of the cover plate 1. It can be understood that the three flat jacks include an L-pole jack 10, an N-pole jack 11 and an E-pole jack 12 which are arranged in a triangular shape, and the two flat jacks include an L-pole jack 10 and an N-pole jack 11 which are arranged in parallel. The back of the cover plate 1 is also provided with a plurality of limiting plates 13, and the protective door 2 is accommodated in an accommodating space formed by the plurality of limiting plates 13 in a surrounding manner.

Specifically, the accommodating space surrounded by the plurality of stopper plates 13 includes a first accommodating space 131 and a second accommodating space 132, three flat insertion holes are located in the first accommodating space 131, and two flat insertion holes are located in the second accommodating space 132. Two identical protective doors 2 are selected, an accommodating cavity 26 and a buckle 27 protruding from the main body part 20 to the accommodating cavity 26 are arranged in the main body part 20 of each protective door 2, one end of a return spring 5 is sleeved on the buckle 27, and the other end of the return spring is abutted to the baffle plate 14. That is, the protective door 2 is limited and accommodated in the corresponding accommodating space by the return spring 5, and the purpose of this is to ensure that the protective door 2 can slide back and forth along the sliding shaft 40 under the action of the return spring 5.

Specifically, the protective door 2 in the first accommodating space 131 is used for shielding the L-pole jack 10 and the N-pole jack 11 that are inserted at three flat positions, the E-pole jack 12 is exposed, and the protective door 2 in the second accommodating space 132 is used for shielding the L-pole jack 10 and the N-pole jack 11 that are inserted at two flat positions, that is, the L-pole push-open inclined plane 24 and the N-pole push-open inclined plane 25 are respectively used for shielding the L-pole jack 10 and the N-pole jack 11 that are inserted at three flat positions/two flat positions.

The live part 3 comprises an L pole plug bush and an N pole plug bush corresponding to the two flat plugs, and further comprises an L pole plug bush, an N pole plug bush and an E plug bush corresponding to the three flat plugs, at the moment, the protective door 2 in the first accommodating space 131 is used for shielding the L pole plug bush and the N pole plug bush of the three flat plugs, the E plug bush is exposed, and the protective door 2 in the second accommodating space 132 is used for shielding the L pole plug bush and the N pole plug bush of the two flat plugs. In five hole sockets, the L utmost point plug bush that three flat inserted and the L utmost point plug bush that two flat inserted also set up as an organic whole, and the N utmost point plug bush that three flat inserted and the N utmost point plug bush that two flat inserted also set up as an organic whole, and the purpose that sets up like this is: the assembly is simpler and more convenient.

Since the structure and the operation principle of the protective door 2 with three flat plugs are the same as those of the protective door 2 with two flat plugs, the operation process will be described below by taking the three flat plugs as an example.

As shown in fig. 1 to 7, the main body 20 and the push-open portion 21 of the protective door 2 are integrally provided, the protective door 2 is mounted on the cover plate 1 through the return spring 5, the L-pole insertion hole 10 and the N-pole insertion hole 11 are shielded by the back surface of the cover plate 1, and the upper surface of the protrusion 23 at the top end of the push-open portion 21 is lower than the lower surface of the cover plate 1. The base 4 and the cover plate 1 are assembled and fixed, and a distance exists between the anti-monopole limiting rib 41 on the base 4 and the push-away part 21. As shown in fig. 6, when the L-pole plug and the N-pole plug are inserted simultaneously, the L-pole plug and the N-pole plug are respectively in contact with the L-pole push-open inclined surface 24 and the N-pole push-open inclined surface 25, the protective door 2 slides along the sliding shaft 40 under the action of the force component of the insertion force, the push-open portion 21 of the protective door 2 is not in contact with the anti-unipolar limiting rib 41 on the base 4, the protective door 2 can be smoothly pushed open, and the L-pole plug and the N-pole plug are respectively inserted into the L-pole plug bush and the N-pole plug bush.

As shown in fig. 7, when the L-pole plug or the N-pole plug is inserted in a single pole, the L-pole plug or the N-pole plug contacts with the corresponding push-open inclined plane, and under the action of the unilateral insertion force, the push-open portion 21 of the protective door 2 rotates around the sliding shaft 40, that is, the push-open inclined plane of the single pole insertion is pressed down to drive the whole protective door 2 to rotate, and the protrusion 23 at the top of the other push-open inclined plane rotates upwards until interfering with the cover plate 1, so that the protective door 2 cannot rotate continuously; meanwhile, under the action of unilateral insertion force, the plane of the bottom of one of the pushing-open parts 21 of the protective door 2 is lower than the upper surface of the monopole-preventing limiting rib 41 and interferes with the monopole-preventing limiting rib 41, so that the protective door 2 cannot slide, and therefore, the monopole can be effectively prevented from being electrically contacted with the charged component 3, and electric shock can be safely and effectively avoided.

As shown in fig. 1, in order to better protect the socket and to be able to be installed on a wall surface, the present invention further adds a panel 6 on the outer side of the cover plate 1, and the panel 6 is provided with through holes corresponding to the insertion holes on the cover plate 1, so that the three-flat plug/two-flat plug can pass through the panel 6 and the cover plate 1. When assembling, firstly, the cover plate 1 is installed in the base 4, then the panel 6 is covered and buckled on the cover plate 1, and is assembled and fixed with the base 4.

In summary, on one hand, the socket of the present invention, by providing the sliding groove 22 on the protection door 2, providing the sliding shaft 40 on the base 4 to be engaged with the sliding groove 22, and providing the anti-monopole limiting ribs 41 on both sides of the sliding shaft 40 to be engaged with the protection door 2, when a monopole is inserted, the interference between the sliding shaft 40 and the anti-monopole limiting ribs 41 can be used to prevent the insertion of the monopole, so as to achieve a better protection effect; on the other hand, the structure for installing the charging component 3 and the base 4 are combined into a whole, so that the structure is simple, labor-saving and material-saving.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a socket, includes that the mutual equipment is fixed apron, shutter, electrified part, base and be used for driving the piece that resets that the shutter resets, its characterized in that: the utility model discloses a protection door, including apron, shutter, main part, the base is formed with the confession installation the installation department of electrified part, the shutter accept in the apron covers the top of installation department, the shutter includes the main part and the portion of pushing away that extends towards both sides from the main part, be equipped with first sliding part in the main part, be equipped with in the base with first sliding part complex second sliding part and be located the spacing muscle of monopole prevention of second sliding part both sides, the upper surface of the spacing muscle of monopole prevention is less than the bottom place plane of the portion of pushing away, when the plug of the L utmost point/N inserts, the shutter for the second sliding part is rotatory the portion of pushing away with the corresponding spacing muscle of monopole of preventing interfere, make the shutter can't slide.

2. The receptacle of claim 1, wherein: the anti-monopole limiting rib is perpendicular to the bottom of the base, and the second sliding portion is parallel to the bottom of the base.

3. The receptacle of claim 1, wherein: the first sliding part is a sliding groove arranged at the bottom of the main body part, and the second sliding part is a sliding shaft arranged in the base.

4. The receptacle of claim 1, wherein: the distance between the upper surface of the monopole-preventing limiting rib and the plane where the bottom of the push-away part is located is 0.3-0.6 mm.

5. The receptacle of claim 1, wherein: the top of the push-open part is provided with a convex part, the upper surface of the convex part is lower than the lower surface of the cover plate, and when an L pole/N pole plug is inserted, the protective door rotates around the second sliding part by 5-10 degrees, so that the convex part interferes with the cover plate.

6. The receptacle of claim 1, wherein: the number of the push-away parts is two, and the distance between the outermost edges of the two push-away parts is at least 20 mm.

7. The receptacle of claim 1, wherein: the cover plate is provided with an L-pole jack, an N-pole jack and/or an E-pole jack, and the push-away part shields the L-pole jack and the N-pole jack respectively.

8. The receptacle of claim 7, wherein: the back of the cover plate is provided with a baffle plate and a plurality of limiting plates, and the protective door is accommodated in an accommodating space formed by the plurality of limiting plates in an enclosing manner; be equipped with in the main part and accept the chamber and certainly the main part orientation accept the buckle of chamber projection, the one end cover of piece that resets is established on the buckle, the other end with baffle looks butt.

9. The receptacle of claim 1, wherein: the electrified component comprises an L-pole plug bush and an N-pole plug bush which are inserted flatly, and the push-open part shields the L-pole plug bush and the N-pole plug bush.

10. The receptacle of claim 1, wherein: the electrified part comprises an L-pole plug bush, an N-pole plug bush and an E-pole plug bush which are inserted into three flat sockets, the push-open part shields the L-pole plug bush and the N-pole plug bush, and the E-pole plug bush is exposed.