CN204992063U - Five -hole socket - Google Patents

Abstract

The utility model relates to a five-hole socket. The five-hole socket includes: a pressure plate, a socket panel, a two-plug protection door, a three-plug protection door and a reset piece. A set of two-insert sockets for the pressure plate and a set of three-insert sockets for the pressure plate are respectively arranged on the pressure plate. The socket panel is connected to the outside of the pressure plate, and a set of two-insert jacks on the panel and a set of three-insert jacks on the panel are respectively arranged on it. The two-plug protective door is slidably connected to one side of the pressure plate to cover or open the two-plug jack, and the two-plug protective door is provided with an E for matching the E-pole plug in the three-pole plug. pole jack. The three-insert protective door has a certain distance from the two-insert protective door, and is slidably connected to the other side of the pressure plate to cover or open the L-pole jack and the N-pole socket in the three-insert socket of the pressure plate hole. The five-hole socket of the utility model has better safety performance and higher operational reliability.

Description

Five-hole socket

technical field

The utility model relates to the field of sockets, in particular to a five-hole socket with a protective door.

Background technique

There are many types of sockets in the prior art. In order to ensure the safety of users and realize the multi-socket protection function, a protective door structure is usually arranged inside the socket. Generally speaking, the protective door structure provided inside the five-hole socket can be roughly divided into the following two types.

The first five-hole socket protection door is a one-piece integral protection door structure. In the case of using this one-piece integral protection door, when two plugs are inserted, the three jacks are exposed, exposing the corresponding live parts; when a three-pole plug is inserted, the two jacks are exposed, exposing the corresponding live parts. . Since when one group of jacks is opened, the other set of jacks will inevitably be opened, and the protective door will not be able to provide proper protection at this time, so the user actually has a great potential safety hazard during use. .

The second five-hole socket protection door structure adopts a two-plug protection door and a three-plug protection door independently. Although the safety of this independent protection door is relatively good, because the three-plug protection door adopts E Drive, so it is necessary to open a hole with a larger size in the middle of the two-insert protective door, so that it can slide and fit with the end of the three-insert protective door corresponding to the E pole hole, so that the structure in the middle of the two-insert protective door Strength is very weak. In order to make up for this defect, it is necessary to use higher-strength raw materials to ensure the operational reliability of the two-insert protective door, thus resulting in an increase in product cost.

Utility model content

The purpose of the utility model is to provide a five-hole socket, which has better safety performance and higher operational reliability. The five-hole socket includes: a pressure plate, a socket panel, a two-plug protection door, a three-plug protection door and a reset piece. A set of two-insert sockets for the pressure plate and a set of three-insert sockets for the pressure plate are respectively arranged on the pressure plate. The socket panel is connected to the outside of the pressure plate, and a set of two-insert jacks on the panel and a set of three-insert jacks on the panel are respectively arranged on it. The two-plug jacks on the panel correspond to the two-plug jacks on the pressure plate, and the three-plug jacks on the panel correspond to the three-plug jacks on the pressure plate. The two-plug protection door is located between the socket panel and the pressure plate, and is slidably connected to one side of the pressure plate to cover or open the two-plug socket of the pressure plate. The two-plug protection door is provided with An E-pole socket for mating the E-pole plug in a three-pole plug. The three-insert protection door is located between the socket panel and the pressure plate, has a certain distance from the two-insert protection door, and is slidably connected to the other side of the pressure plate to cover or open the three-insert pressure plate. The L pole jack and the N pole jack in the jack. The reset member elastically abuts between the two-insert protection door and the three-insert protection door. Since the two protection doors are independent and share the same compression spring, the structure is simple and the reset effect is better. When the user inserts the two-pole or three-pole plug into the five-hole socket, there is no two-plug protection door and three-plug protection door. Open at the same time defects, so that the electrical safety of the socket can be effectively improved.

According to one aspect of the present invention, the socket panel is provided with a first limiting structure and a second limiting structure, and there is a certain distance between the first limiting structure and the second limiting structure, so as to respectively It prevents the opening of the two-plug protection door and the three-plug protection door when a single pole is inserted, thus ensuring a safer and more reliable operation process for users.

According to another aspect of the present utility model, a third limiting structure and a fourth limiting structure are arranged on the pressing plate, and there is a certain distance between the third limiting structure and the fourth limiting structure, so as to respectively Prevent opening of the two-plug protection door and the three-plug protection door when a single pole is inserted. Since the socket panel and the pressing plate are provided with a limit structure, compared with the prior art, the five-hole socket of the utility model has a higher level of anti-unipolar insertion function, and the user's operation safety level is higher.

According to still another aspect of the present utility model, the pressure plate further includes a first limiting protrusion and a second limiting protrusion, and the two-insert protective door includes a The first limiting groove, the three-insert protective door includes a second limiting groove for matching the second limiting protrusion, the first limiting protrusion, the second limiting protrusion and the E pole sockets in the three-plug sockets of the pressure plate are on the same straight line, so as to enhance the movement reliability of the two-plug protective door and the three-plug protective door.

According to yet another aspect of the present utility model, the two-insert protective door includes a middle sliding part and two adjoining parts located on both sides of the middle sliding part, each of the adjoining parts has an opening slope respectively, and the two abutting parts respectively have an opening slope. The opening slopes all face the side away from the three-plug protection door, and the E pole socket is located on the longitudinal axis of the middle sliding part, so that the two-plug protection door can be opened smoothly when all the two poles of the two-pole plug are inserted. .

According to yet another aspect of the present utility model, the first limiting groove is located on the inner side of the middle sliding part of the two-insert protective door, and is on the same straight line as the E-pole jack on the two-insert protective door. The first limiting groove is divided into a first section and a second section by the E-pole jack in the middle, so that the sliding of the two-plug protection door is more coherent and smooth, and at the same time effectively avoids After the two-insert protective door moves into place, it breaks away from the support of the groove and falls into the E-pole jack.

According to yet another aspect of the present utility model, the three-insert protective door includes a middle sliding part and two adjoining parts located on both sides of the middle sliding part, each of the adjoining parts has an opening slope, and the two abutting parts respectively have an opening slope. The opening slopes all face the side away from the two-plug protection door, so that the three-plug protection door can be opened smoothly when all three poles of the three-pole plug are inserted.

According to yet another aspect of the present utility model, the second limiting groove is located inside the middle sliding part of the three-insert protection door, and is on the same line as the first limiting groove, so that the three-insert The sliding of the protective door is more flexible and smooth.

According to yet another aspect of the present utility model, the first limiting structure and the third limiting structure correspond to each other in a direction perpendicular to the pressing plate, so as to jointly limit the movement of the two-insert protective door when the single pole is opened. Movement: the second limiting structure and the fourth limiting structure correspond to each other in a direction perpendicular to the pressure plate, so as to jointly limit the movement of the three-insert protective door when the single pole is opened.

According to yet another aspect of the present utility model, the thickness of the middle sliding part of the two-insert protective door is greater than or equal to the thickness of the adjacent part of the two-insert protective door, thereby ensuring that the two-insert protective door has better structural strength, and the operation The stability is higher.

Description of drawings

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments. in:

Figure 1 is a schematic diagram of the positional relationship between the two-insert protective door, the three-insert protective door and the pressure plate of the utility model, which shows the front details of the two-insert protective door and the three-insert protective door structure;

Figure 2 is a schematic diagram of the positional relationship between the two-insert protective door, the three-insert protective door and the socket panel of the present invention, which shows the back details of the two-insert protective door and the three-insert protective door;

Fig. 3 is a schematic diagram of a use state of Fig. 1, at this time, the three-insert protective door is in the open state, and the two-insert protective door is in the closed state;

Fig. 4 is a schematic diagram of another usage state of Fig. 1, at this time, the two-insert protective door is in the open state, and the three-insert protective door is in the closed state;

Fig. 5 is a schematic cross-sectional view of the five-hole socket of the present invention.

Label description

Socket panel 10 first limit protrusion 25

The first limiting structure 11 and the fourth limiting structure 28

The second limit structure 12 two-insert protective door 30

The E pole jack 301 on the two-plug protection door of the pressure plate 20

The middle sliding part 31, 41 of the third limiting structure 21

Adjacent parts 32, 42 of the two insertion holes 22 of the pressure plate

The three-plug socket 23 of the pressure plate opens the inclined plane 321, 421

L pole jack, N pole jack 231 first limit groove 33

The first segment 33a of the E pole jack 232 in the three-plug jack of the pressing plate

The second section 33b of the second limit protrusion 24

Three-insert protective door 40 reset parts 50

The second limiting groove 44

detailed description

In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation of the utility model is now described with reference to the accompanying drawings, and the same symbols in each figure represent the same parts.

In order to make the drawings concise, the parts related to the utility model are only schematically shown in each drawing, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked.

1 and 2, it shows a five-hole socket according to an embodiment of the present invention. The five-hole socket includes: a socket panel 10 , a pressing plate 20 , a two-insert protective door 30 , a three-insert protective door 40 and a reset member 50 .

Specifically, the pressing plate 20 is respectively provided with a set of two insertion holes 22 for the pressing plate and a set of three insertion holes 23 for the pressing plate. The socket panel 10 is connected to the outer side of the pressing plate 20, and a set of two-insert sockets on the panel and a set of three-insert sockets on the panel are respectively arranged on it (not shown in the figure). It can be understood that the two-insert socket on the panel corresponds to the two-insert socket 22 on the pressure plate, and the three-insert socket on the panel corresponds to the three-insert socket 23 on the pressure plate. The two-plug protection door 30 is located between the socket panel 10 and the pressure plate 20 , and is slidably connected to one side (for example, the upper side) of the pressure plate 20 to cover or open the two-plug socket 22 of the pressure plate. The two-plug protection door 30 is provided with an E-pole jack 301 for matching the E-pole plug among the three-pole plugs. The three-plug protective door 40 is located between the socket panel 10 and the pressing plate 20, and the three-plug protective door 40 is slidably connected to the other side (for example, the lower side) of the pressing plate 20 to cover or open the three-plug jack 23 of the pressing plate. L pole jack 231 and N pole jack 231 . There is a certain interval between the three-insert protection door 40 and the two-insert protection door 30 to reserve a certain sliding space. The reset member 50 elastically abuts between the two-insert protection door 30 and the three-insert protection door 40 . Optionally, the reset member 50 is a compression spring. One end of the compression spring is connected to the middle part of the two-plug protection door 30 , and the other end of the compression spring is connected to the middle part of the three-plug protection door 40 . As a specific embodiment, a connecting post can be provided in the middle of the two-insert protective door 30, and a connecting post can be provided in the middle of the three-inserted protective door 40, and the two ends of the compression spring are respectively sleeved to the two connecting posts. superior. Since the two protection doors are independent and share the same compression spring, the structure is simple and the reset effect is better, and when the user inserts the two-pole plug or the three-pole plug into the five-hole socket, there is no two-plug protection door 30 and three-plug protection. The defective that door 40 is opened simultaneously, so five-hole socket of the present utility model can effectively avoid potential safety hazard.

Considering the safety of the user's operation and preventing the opening of the double-insert protection door 30 when the single-pole is inserted, the socket panel 10 is provided with a first limiting structure 11 . At the same time, in order to prevent the opening of the three-plug protection door 40 when the single pole is inserted, the socket panel 10 is also provided with a second limiting structure 12 . Referring to FIG. 2 , the first limiting structure 11 and the second limiting structure 12 are respectively disposed inside the socket panel 10 , and there is a certain distance between the first limiting structure 11 and the second limiting structure 12 . Optionally, the first limiting structure 11 includes two first limiting ribs, and the two first limiting ribs are respectively arranged on the left and right sides of the socket panel 10, and are close to the sides of the two-insert protective door 30. Location. Similarly, the second limiting structure 12 includes two second limiting ribs, and the two second limiting ribs are respectively arranged on the left and right sides of the socket panel 10 and are close to the position of the three-plug protective door 40 . Preferably, the positions of the two first limiting ribs and the two second limiting ribs correspond to each other.

In order to further enhance the anti-unipolar opening function of the five-hole socket of the present invention, the pressing plate 20 is provided with a third limiting structure 21 and a fourth limiting structure 28 . As shown in FIG. 1 , the third limiting structure 21 and the fourth limiting structure 28 are respectively arranged on the outside of the pressing plate 20 to prevent opening of the two-insertion protection door 30 and the three-insertion protection door 40 when the single pole is inserted. There is a certain distance between the third limiting structure 21 and the fourth limiting structure 28 . Optionally, the third limiting structure 21 includes two third limiting ribs, and these two third limiting ribs are respectively arranged on the left and right sides of the pressing plate 20, and are close to the position of the two-insert protective door 30 . Similarly, the fourth limiting structure 28 includes two fourth limiting ribs, which are respectively arranged on the left and right sides of the pressure plate 20 and are close to the position of the three-insert protective door 40 . Preferably, the positions of the two third limiting ribs and the two fourth limiting ribs correspond to each other.

As shown in FIG. 3 and FIG. 4 , in order to enhance the movement reliability of the two-insert protective door 30 and the three-insert protective door 40 , the pressing plate 20 is further provided with a first limiting protrusion 25 and a second limiting protrusion 24 . At the same time, the two-insertion protection door 30 is also provided with a first limiting groove 33 , and the three-insertion protection door 40 is also provided with a second limiting groove 44 . The first limiting groove 33 is used to cooperate with the first limiting protrusion 25 , and the second limiting groove 44 is used to cooperate with the second limiting protrusion 24 . It is worth pointing out that in order to make the sliding of the two-insert protective door 30 and the three-insert protective door 40 more flexible and smooth, the first stop protrusion 25, the second stop protrusion 24 and the three-insert jack of the press plate on the pressure plate 20 The E pole jack 232 in 23 is on the same straight line.

Preferably, the two-insert protective door 30 includes a middle sliding part 31 and two adjoining parts 32 , and the two abutting parts 32 are respectively connected to two sides of the middle sliding part 31 . Each adjoining portion 32 has an opening slope 321 respectively. In order to facilitate the smooth opening of the two-plug protection door 30 when both poles of the two-pole plug are fully inserted, the two opening slopes 321 face away from the side of the three-plug protection door 40 . The E pole insertion hole 301 is located on the longitudinal axis of the middle sliding part 31 . In order to make the operation smoother, preferably, the first limiting groove 33 is located on the inner side of the middle sliding part 31 of the two-insert protection door 30, and is in the same straight line as the E pole jack 301 on the two-insert protection door 30 superior. In order to ensure the continuity of the sliding of the two-insert protective door 30, as shown in Figure 2, the first limit groove 33 is divided into a first section 33a and a second section 33b by the E-pole socket 301 in the middle, so as to avoid when the two poles When the plug is fully inserted, the two-plug protection door 30 moves into place and breaks away from the support of the groove and falls into the E pole jack 301. Preferably, the length of the first section 33a is greater than the length of the second section 33b.

The three-insert protective door 40 includes a middle sliding part 41 and two adjoining parts 42 , and the two abutting parts 42 are respectively located at two sides of the middle sliding part 41 . Each adjoining portion 42 has an opening slope 421 respectively. In order to facilitate the three-plug protection door to be opened smoothly when all three poles of the three-pole plug are inserted, the two opening slopes 421 are facing away from the side of the two-plug protection door 30 . The second limiting groove 44 is located inside the middle sliding portion 41 of the three-insert protective door 40 and is on the same line as the first limiting groove 33 , so that the sliding of the three-insert protective door is more flexible and smooth.

As shown in FIG. 5 , the first limiting structure 11 and the third limiting structure 21 correspond to each other in a direction perpendicular to the pressing plate 20 , so as to jointly limit the movement of the two-insert protective door 30 when the single pole is opened. At the same time, the second limiting structure 12 and the fourth limiting structure 28 correspond to each other in a direction perpendicular to the pressing plate 20 to jointly limit the movement of the three-insert protective door 40 when the single pole is opened. Since the socket panel 10 and the pressure plate 20 are provided with a limit structure, compared with the prior art, the five-hole socket of the present invention has a higher level of anti-unipolar insertion function, and the user's operation safety level is higher.

In order to facilitate those skilled in the art to better understand this case, the operation process of this application will be introduced in detail below.

When only one pole of the two-pole plug is inserted, the two sides of the two-plug protective door 30 will swing up and down due to unbalanced force. At this time, due to the existence of the first limiting structure 11 and the third limiting structure 21, the The two-insert protective door 30 is stuck and cannot move, thereby playing the effect of single-stage protection. As shown in FIG. 1 and FIG. 4 , when both poles of the two-pole plug are inserted, the two-pole of the two-pole plug will first penetrate the panel two-plug jacks on the socket panel 10 and abut against the two-plug protection door 30 respectively. The two opening slopes 321 will gradually push the two-plug protection door 30 to slide along the direction close to the three-plug protection door 40 until the two-plug jacks 22 of the pressure plate on the pressure plate 20 are all exposed, so that the two poles of the two-pole plugs are in electrical contact respectively. to the corresponding double pole socket assembly located in the base. When the two-pole plug is pulled out, the two-plug protection door 30 is reset under the action of the compression spring.

When only the L pole or the N pole of the three-pole plug is inserted, the two sides of the three-plug protective door 40 will swing up and down due to unbalanced force. The existence of the three-insert protective door 40 is blocked and cannot move, thereby achieving the effect of single-stage protection. As shown in Figure 1 and Figure 3, when all three poles of the three-pole plug are inserted, the L pole and N pole of the three-pole plug will first penetrate through the two oblique jacks in the panel three-plug jack on the socket panel 10 The two opening slopes 421 respectively abutted on the three-insert protection door 40 will then gradually push the three-insert protection door 40 to slide along the direction close to the two-insert protection door 30 until the L pole socket on the pressure plate 20 and the N pole The pole jacks 231 are all exposed, so that the three poles (L, N and E poles) of the three-pole plug are respectively electrically contacted with the corresponding three-pole socket assembly located in the base. When the three-pole plug is pulled out, the three-plug protection door 40 is reset under the action of the compression spring.

It is worth pointing out that the five-hole socket of the utility model replaces the E pole drive in the prior art, and adopts the L pole and N pole drive, which effectively saves the movement space of the protective door. The middle sliding part 31 of the two-plug protection door 30 only needs to open an E-pole jack 301, so that the E-pole plug in the three-pole plug can be inserted. Since the required opening size on the two-plug protection door is small, The thickness of the middle sliding part 31 of the two-insert protective door 30 is greater than or equal to the thickness of the adjacent part 32 of the two-insert protective door 30, so compared with the prior art, the structural strength of the two-insert protective door of the present invention is better , Higher operational stability and longer service life of the product.

In this article, "schematic" means "serving as an example, example or illustration", and any illustration or implementation described as "schematic" should not be interpreted as a more preferred or more advantageous Technical solutions.

It should be understood that although this specification is described according to various implementations, not each implementation only includes an independent technical solution. This description of the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for the feasible implementation modes of the present utility model, and they are not used to limit the protection scope of the present utility model. Embodiments or modifications should be included within the protection scope of the present utility model.

Claims (10)

1. The five-hole socket is characterized in that it includes: A pressing plate (20), which is respectively provided with a set of pressing plate two-insert jacks (22) and a set of pressing plate three-inserting jacks (23); A socket panel (10), connected to the outside of the pressure plate (20), is respectively provided with a set of two-insert sockets on the panel and a set of three-insert sockets on the panel, the two-insert sockets on the panel are connected to the two-insert sockets on the pressure plate Corresponding to the hole (22), the three-insert socket on the panel corresponds to the three-insert socket (23) on the pressing plate; a two-insert protective door (30), located between the socket panel (10) and the pressure plate (20), and slidably connected to one side of the pressure plate (20), to cover or open the pressure plate Two-plug jack (22), the two-plug protective door (30) is provided with an E-pole jack (301) for matching the E-pole plug in the three-pole plug; A three-insert protection door (40), located between the socket panel (10) and the pressure plate (20), has a certain distance from the two-insert protection door (30), and is slidably connected to the pressure plate The other side of (20), to cover or open the L pole jack (231) and the N pole jack (231) in the three insertion jacks (23) of the pressing plate; and A reset member (50) elastically abuts between the two-insert protection door (30) and the three-insert protection door (40). 2. The five-hole socket according to claim 1, characterized in that, the socket panel (10) is provided with a first limiting structure (11) and a second limiting structure (12), the first limiting structure There is a certain distance between the position structure (11) and the second limit structure (12), so as to respectively prevent the opening of the two-insert protection door (30) and the three-insert protection door (40) when a single pole is inserted . 3. The five-hole socket according to claim 2, characterized in that, a third limiting structure (21) and a fourth limiting structure (28) are provided on the pressing plate (20), and the third limiting structure There is a certain distance between the structure (21) and the fourth limiting structure (28), so as to respectively prevent the opening of the two-plug protection door (30) and the three-plug protection door (40) when a single pole is inserted. 4. The five-hole socket as claimed in claim 1, characterized in that, said pressing plate (20) also comprises a first position-limiting protrusion (25) and a second position-limiting protrusion (24), said two The plug-in protection door (30) includes a first limit groove (33) for matching the first limit protrusion (25), and the three-plug protection door (40) includes a first limit groove (33) for matching the first limit protrusion (25). The second limit groove (44) of the second limit protrusion (24), the first limit protrusion (25), the second limit protrusion (24) and the three insertion holes of the pressure plate The E pole jack (232) in (23) is on the same straight line. 5. The five-hole socket according to claim 4, characterized in that, the two-plug protection door (30) comprises a middle sliding part (31) and two adjacent parts located on both sides of the middle sliding part (31) (32), each of the adjacent parts (32) has an opening slope (321), and the two opening slopes (321) are facing away from the side of the three-insert protective door (40), the The E pole socket (301) is located on the longitudinal axis of the middle sliding part (31). 6. The five-hole socket according to claim 5, characterized in that, the first limiting groove (33) is located on the inner side of the middle sliding part (31) of the two-insert protective door (30), and is in contact with The E-pole sockets (301) on the two-insert protective door (30) are on the same straight line, and the first limiting groove (33) is divided into the first E-pole socket (301) in the middle. One paragraph (33a) and a second paragraph (33b). 7. The five-hole socket according to claim 4, characterized in that, the three-plug protection door (40) comprises a middle sliding part (41) and two adjacent parts located on both sides of the middle sliding part (41) (42), each of the adjoining parts (42) has an opening slope (421), and the two opening slopes (421) are both facing the side away from the two-insert protective door (30). 8. The five-hole socket according to claim 7, characterized in that, the second limiting groove (44) is located on the inner side of the middle sliding part (41) of the three-insert protection door (40), and is in contact with The first limiting grooves (33) are on the same straight line. 9. The five-hole socket according to claim 3, characterized in that, the first limiting structure (11) and the third limiting structure (21) are in a direction perpendicular to the pressing plate (20) Corresponding to each other, so as to jointly limit the movement of the two-insert protective door (30) when the single pole is opened; the second limiting structure (12) and the fourth limiting structure (28) are perpendicular to the pressure plate ( 20) correspond to each other in order to jointly limit the movement of the three-insert protective door (40) when the single pole is opened. 10. The five-hole socket according to claim 5, characterized in that, the thickness of the middle sliding part (31) of the two-plug protection door (30) is greater than or equal to the adjacent part ( 32) Thickness.