Power extraction device that limits the number of sockets in series

Abstract

The present invention belongs to the technical field of sockets, and specifically relates to a power-taking device that limits the number of sockets connected in series. In view of the fact that the sockets of the existing series socket group are directly connected in series from head to tail, the front socket will affect the rear socket or the installation method of the socket to a large extent or the front socket generates a large amount of heat, the present invention adopts the following technical scheme: a power-taking device that limits the number of sockets connected in series, including: a first power line; an intermediate power line; an intermediate adapter; a rear adapter; a socket; wherein the first special connector, the middle special connector, and the rear special connector are constructed as: a first power line, a first adapter, a first intermediate power line, a second adapter, a second intermediate power line... The Nth intermediate power line can only be plugged in sequentially, and the rear adapter can at least be plugged in with the Nth intermediate power line. The beneficial effects of the present invention are: achieving the purpose of limiting the number of sockets connected in series; the socket is connected to the adapter of the adapter through the socket connector, and the installation method of the socket can be diversified.

Description

Technical Field

[0001] The invention belongs to the technical field of sockets, and in particular relates to a power taking device for limiting the number of sockets connected in series. Background Art

[0002] The Chinese invention patent with authorization announcement number CN205543434U discloses a serial docking socket with an integrated power interface. It is beautiful, practical, safe and reliable. More importantly, multiple sockets can be connected in series to reduce wiring.

[0003] However, the existing sockets disclosed in the aforementioned patents cannot limit the number of sockets connected in series. When the number of sockets connected in series exceeds a certain number, it is easy to cause safety problems such as overload. Therefore, in some countries such as the United States, regulations are set on the number of sockets connected in series to prevent unlimited series connection.

[0004] In order to limit the number of sockets connected in series, a Chinese invention patent application with application publication number CN 110797705 A discloses a socket group connected in series, the socket group connected in series includes: a first socket; a middle socket; a tail socket; wherein the first special joint, the middle special joint and the tail special joint are constructed as: a first socket, a first middle socket, a second middle socket... the Nth middle socket can only be plugged in sequence, and the tail socket can be plugged with the first socket and all the middle sockets, or, the first special joint, the middle special joint and the tail special joint are constructed as: the tail socket, the Nth middle socket, the N-1th middle socket... the first middle socket can only be plugged in sequence, and the first socket can be plugged with the tail socket and all the middle sockets. This Chinese invention patent application designs the joints of the first socket, the middle socket and the tail socket, so that only the sockets in the socket group connected in series can be connected in a specific order, thereby achieving the purpose of limiting the number of sockets.

[0005] However, in the solution disclosed in the aforementioned Chinese invention patent application, each socket is connected in series from beginning to end, and the socket at the front generates more heat and has a lower service life than the socket at the back. At the same time, although the sockets are connected in series from beginning to end, the structure that the socket at the front does not affect the socket at the back is considered and designed, it is still difficult to avoid the influence of the socket at the front on the socket at the back.

[0006] In addition, the solution disclosed in the aforementioned Chinese invention patent application has significant restrictions on the installation method of the socket and its application is limited. Summary of the invention

[0007] In view of the disadvantages that the sockets of the existing series socket group are directly connected in series head to tail, the front socket will affect the rear socket or the installation method of the socket is greatly restricted or the front socket generates a large amount of heat, the present invention provides a power supply device that limits the number of sockets connected in series, and redesigns the series structure of the sockets to achieve at least one of the following purposes: the front socket will not affect the rear socket, the restrictions on the installation method of the socket are reduced, and the heat generation of each socket is relatively consistent.

[0008] To achieve the above object, the present invention adopts the following technical solution: a power taking device for limiting the number of sockets connected in series, the power taking system comprising:

[0009] A first power cord, one end of which has a first special connector;

[0010] An intermediate power line, wherein the intermediate power lines are multiple and are divided into a first intermediate power line, a second intermediate power line to an Nth intermediate power line, and both ends of the multiple intermediate power lines have intermediate special connectors;

[0011] Intermediate adapters, each of which has multiple intermediate adapters and is divided into a first adapter, a second adapter to an Nth adapter, and each of the multiple intermediate adapters has two intermediate special joints and at least one adapter;

[0012] A tail adapter, the tail adapter having a tail-specific joint and at least one adapter;

[0013] A socket, wherein there are a plurality of sockets, one end of each socket is provided with a socket connector, and the socket connector matches the adapter;

[0014] Among them, the first special connector, the middle special connector, and the tail special connector are constructed as: a first power cord, a first adapter, a first intermediate power cord, a second adapter, a second intermediate power cord... the Nth intermediate power cord can only be plugged in sequence, and the tail adapter can at least be plugged in with the Nth intermediate power cord, or, the first special connector, the middle special connector, and the tail special connector are constructed as: a first adapter, a first intermediate power cord, a second adapter, a second intermediate power cord... the tail adapter can only be plugged in sequence, and the first power cord can at least be plugged in with the first adapter.

[0015] In the power supply system of the present invention, the first power line, the middle power line, the middle adapter and the tail adapter are connected by a special connector, and can only connect a specific number of middle adapters and the tail adapter, so that the number of sockets connected to the middle adapter and the tail adapter is also limited; the first power line, the first adapter, the first middle power line, the second adapter, the second middle power line...the Nth middle power line can only be plugged in sequence, and the tail adapter can be plugged in with the Nth middle power line, that is, when other middle power lines are connected to the first power line, the number of sockets connected in series can be adjusted; the first adapter, the first middle power line, the second adapter, the second middle power line...the tail adapter can only be plugged in sequence, and when the first power line can be plugged in with all middle adapters and the tail adapter, the number of sockets connected in series can be adjusted; since the socket is connected to the adapter of the adapter through the socket connector, the front socket will not affect the rear socket; since the socket is connected to the adapter of the adapter through the socket connector, the installation method of the socket can also be diversified, and the position of the socket can also be varied.

[0016] As an improvement, whether the first special connector, the middle special connector and the last special connector can be plugged in or not is achieved through special slots and special plug posts.

[0017] As an improvement, the special plug includes a convex ring and one or more convex ribs located outside the convex ring, and the special slot includes a ring groove cooperating with the convex ring and a groove cooperating with the convex rib. The positions of the convex ribs on different special plugs relative to the convex ring are different.

[0018] As an improvement, the special connector including the special plug also has a positioning plug, there are two positioning plugs, and the positioning plug has a positioning rib outside. The connector including the special slot also has a positioning groove that cooperates with the positioning plug.

[0019] As an improvement, the special slots, special plug posts, positioning plug posts, and positioning slots are provided with metal posts or metal hole posts. The metal posts and metal hole posts are plugged in to achieve electrical connection.

[0020] As an improvement, the special connectors on the first power cord and the middle power cord include an upper cover and a lower cover connected by screws and connecting parts respectively clamped with the upper cover and the lower cover, and the connecting parts are divided into a first connecting part and a second connecting part, the special plug post and the positioning plug post are formed on the first connecting part, and the special slot and the positioning slot are formed on the second connecting part.

[0021] As an improvement, each of the intermediate adapters and the tail adapter is an integral and non-detachable part.

[0022] As an improvement, each intermediate adapter is also provided with an anti-drop buckle, one end of which is inserted into an intermediate special joint, and the other end is snap-connected with another intermediate special joint.

[0023] As an improvement, each intermediate adapter is further provided with an anti-drop buckle, and both ends of the anti-drop buckle are respectively snap-connected with the connector.

[0024] As an improvement, the tail adapter is also provided with an anti-drop buckle, and the anti-drop buckle is snap-connected with the middle special connector of the Nth middle power cord.

[0025] As an improvement, the adapter of each intermediate adapter is parallel to the two intermediate special connectors of the intermediate adapter.

[0026] As an improvement, each of the intermediate adapters and the tail adapter has two adapters.

[0027] As an improvement, all adapters of the intermediate adapters and the tail adapter are identical.

[0028] As an improvement, each intermediate adapter and the tail adapter is provided with a mounting hole for fixing them.

[0029] As an improvement, N=3. In the relevant safety regulations, the total number of sockets connected in series cannot be greater than 8. Therefore, when there are two adapters on both the middle adapter and the tail adapter, the number of sockets that can be connected in series is 8, and N=3 at this time.

[0030] The beneficial effects of the power supply system of the present invention are: by designing special connectors for the first power line, the middle power line, the middle adapter and the tail adapter, only the components within the power supply system can be connected in a specific order, and the number of adapters used to connect to the sockets is limited, thereby achieving the purpose of limiting the number of sockets connected in series; the sockets are connected to the adapters of the adapters through the socket connectors, and the installation methods of the sockets can be diversified; each socket is connected from the adapter, the front socket will not affect the rear socket, and there is basically no difference in the heat generation of the front and rear sockets. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the three-dimensional structure of the power supply system of the first embodiment of the present invention.

[0032] Figure 2 It is a structural exploded diagram of the power taking system of the first embodiment of the present invention.

[0033] Figure 3 It is a plan view of the interfaces of each socket of the power taking system of the first embodiment of the present invention (the dotted arrows indicate the direction of the current, and the order of the special slots and the special plugs is adjusted to the clockwise direction).

[0034] Figure 4 It is a structural schematic diagram of a first female connector of a first power line of a power taking system according to a first embodiment of the present invention.

[0035] Figure 5 yes Figure 4Structural breakdown diagram.

[0036] Figure 6 It is a schematic diagram of the structure of the second middle male connector of the first power line of the power taking system of the first embodiment of the present invention.

[0037] Figure 7 yes Figure 6 Structural breakdown diagram.

[0038] Figure 8 and Fig. 9 It is a schematic diagram of the three-dimensional structure of the first intermediate adapter of the power taking system of the first embodiment of the present invention at different angles.

[0039] Fig.10 It is a structural exploded view of the first intermediate adapter of the power taking system of the first embodiment of the present invention.

[0040] Fig.11 It is a schematic structural diagram of the tail adapter of the power taking system of the first embodiment of the present invention.

[0041] In the figure, 01, first power line; 02, first intermediate adapter; 03, first intermediate power line; 04, second intermediate adapter; 05, second intermediate power line; 06, third intermediate adapter; 07, third intermediate power line; 08, tail adapter;

[0042] 1A, first female joint; 1B, first intermediate female joint; 1C, second intermediate female joint; 1D, third intermediate female joint; 1E, fourth intermediate female joint; 1F, fifth intermediate female joint; 1G, sixth intermediate female joint;

[0043] 2A, first middle male connector; 2B, second middle male connector; 2C, third middle male connector; 2D, fourth middle male connector; 2E, fifth middle male connector; 2F, sixth middle male connector; 2G, last male connector;

[0044] 11. Upper cover;

[0045] 12. Lower cover;

[0046] 21. first connecting member; 211. special plug post; 2111. convex rib; 212. positioning plug post; 2121. positioning rib;

[0047] 13. second connecting member; 131. special slot; 1311. groove; 132. positioning slot;

[0048] 31. Anti-drop buckle; 32. Metal column; 33. Metal hole column; 34. Adapter;

[0049] 5. Socket connector. DETAILED DESCRIPTION

[0050] The following is an explanation and description of the technical solutions of the embodiments of the present invention in conjunction with the accompanying drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.

[0051] See also Figures 1 to 11 , a power taking device for limiting the number of sockets connected in series according to the present invention, the power taking system comprises:

[0052] A first power cord, one end of which has a first special connector;

[0053] An intermediate power line, wherein the intermediate power lines are multiple and are divided into a first intermediate power line, a second intermediate power line to an Nth intermediate power line, and both ends of the multiple intermediate power lines have intermediate special connectors;

[0054] Intermediate adapters, each of which has multiple intermediate adapters and is divided into a first adapter, a second adapter to an Nth adapter, and each of the multiple intermediate adapters has two intermediate special joints and at least one adapter;

[0055] A tail adapter, the tail adapter having a tail-specific joint and at least one adapter;

[0056] A socket, wherein there are a plurality of sockets, one end of each socket is provided with a socket connector, and the socket connector matches the adapter;

[0057] Among them, the first special connector, the middle special connector, and the tail special connector are constructed as: a first power cord, a first adapter, a first intermediate power cord, a second adapter, a second intermediate power cord... the Nth intermediate power cord can only be plugged in sequence, and the tail adapter can at least be plugged in with the Nth intermediate power cord, or, the first special connector, the middle special connector, and the tail special connector are constructed as: a first adapter, a first intermediate power cord, a second adapter, a second intermediate power cord... the tail adapter can only be plugged in sequence, and the first power cord can at least be plugged in with the first adapter.

[0058] In the power supply system of the present invention, the first power line, the middle power line, the middle adapter and the tail adapter are connected by a special connector, and can only connect a specific number of middle adapters and the tail adapter, so that the number of sockets connected to the middle adapter and the tail adapter is also limited; the first power line, the first adapter, the first middle power line, the second adapter, the second middle power line...the Nth middle power line can only be plugged in sequence, and the tail adapter can be plugged in with the Nth middle power line, that is, when other middle power lines are connected to the first power line, the number of sockets connected in series can be adjusted; the first adapter, the first middle power line, the second adapter, the second middle power line...the tail adapter can only be plugged in sequence, and when the first power line can be plugged in with all middle adapters and the tail adapter, the number of sockets connected in series can be adjusted; since the socket is connected to the adapter of the adapter through the socket connector, the front socket will not affect the rear socket; since the socket is connected to the adapter of the adapter through the socket connector, the installation method of the socket can also be diversified, and the position of the socket can also be varied.

[0059] Embodiment 1

[0060] See also Figures 1 to 11 , a power taking device for limiting the number of sockets connected in series according to the present invention, the power taking system comprises:

[0061] A first power cord 01, one end of which has a first special connector;

[0062] Intermediate power lines, the intermediate power lines are multiple and are divided into a first intermediate power line 03, a second intermediate power line 05 to an Nth intermediate power line, and both ends of the multiple intermediate power lines have intermediate special connectors;

[0063] Intermediate adapters, each of which has a plurality of intermediate adapters and is divided into a first adapter, a second adapter to an Nth adapter, and each of the plurality of intermediate adapters has two intermediate special joints and at least one adapter 34;

[0064] A tail adapter 08, wherein the tail adapter 08 has a tail-specific joint and at least one adapter 34;

[0065] A socket, wherein there are multiple sockets, one end of the socket has a socket connector 5, and the socket connector 5 matches the adapter 34;

[0066] Among them, the first special connector, the middle special connector, and the tail special connector are constructed as: the first power cord 01, the first adapter, the first intermediate power cord 03, the second adapter, the second intermediate power cord 05... the Nth intermediate power cord and the tail adapter 08 can only be plugged in sequence.

[0067] In other embodiments, the tail adapter may also be designed to be pluggable with all power cords.

[0068] In this embodiment, whether the first special connector, the middle special connector and the last special connector are pluggable or not is achieved through the special slot 131 and the special plug post 211 .

[0069] In this embodiment, the first special connector, the middle special connector and the tail special connector are divided into a male connector and a female connector. The difference between the male connector and the female connector is that the electrical connector is a metal column 32 or a metal hole column 33. The difference between the male connectors is only the special plug column 211, and the difference between the female connectors is only the special slot 131. In this embodiment, the metal column 32 and the metal hole column 33 in the special connector of the power cord are not shown.

[0070] In this embodiment, the first special connector of the first power line 01 is a first female connector 1A, the first intermediate adapter 02 has a first intermediate male connector 2A and a first intermediate female connector 1B, the first intermediate power line 03 has a second intermediate male connector 2B and a second intermediate female connector 1C, the second intermediate adapter 04 has a third intermediate male connector 2C and a third intermediate female connector 1D, the second intermediate power line 05 has a fourth intermediate male connector 2D and a fourth intermediate female connector 1E, the third intermediate adapter 06 has a fifth intermediate male connector 2E and a fifth intermediate female connector 1F, the third intermediate power line 07 has a sixth intermediate male connector 2F and a sixth intermediate female connector 1G, and the tail adapter 08 has a tail male connector 2G.

[0071] In this embodiment, the special plug 211 includes a convex ring and one or more convex ribs 2111 located outside the convex ring, and the special slot 131 includes a ring groove that cooperates with the convex ring and a groove 1311 that cooperates with the convex rib 2111. The positions of the convex ribs 2111 on different special plugs 211 are different relative to the convex ring.

[0072] In this embodiment, the special connector including the special pin 211 also has a positioning pin 212 , wherein there are two positioning pins 212 , and the positioning pin 212 has a positioning rib 2121 outside. The connector including the special slot 131 also has a positioning groove 132 that cooperates with the positioning pin 212 .

[0073] In this embodiment, the special slots 131 and the positioning slots 132 are provided with metal pillars 32, and the special plug pillars 211 and the positioning plug pillars 212 are provided with metal hole pillars 33. The metal pillars 32 and the metal hole pillars 33 are plugged together to achieve electrical connection.

[0074] In this embodiment, the special connectors on the first power cord 01 and the middle power cord include an upper cover 11 and a lower cover 12 connected by screws and connectors respectively snapped into the upper cover 11 and the lower cover 12, wherein the connectors are divided into a first connector 21 and a second connector 13, wherein the special plug 211 and the positioning plug 212 are formed on the first connector 21, and the special slot 131 and the positioning slot 132 are formed on the second connector 13.

[0075] In this embodiment, each intermediate adapter is further provided with an anti-drop buckle 31, and both ends of the anti-drop buckle 31 are respectively snap-connected with the connector.

[0076] In this embodiment, the tail adapter 08 is further provided with an anti-drop buckle 31, and the anti-drop buckle 31 is snap-connected with the middle special connector of the Nth middle power line.

[0077] In this embodiment, the adapter 34 of each intermediate adapter is parallel to the two intermediate special connectors of the intermediate adapter.

[0078] In this embodiment, each of the intermediate adapters and the tail adapter 08 has two adapters 34 .

[0079] In this embodiment, all adapters 34 of the intermediate adapters and the tail adapter 08 are the same.

[0080] In this embodiment, each of the intermediate adapters and the tail adapter 08 is provided with a mounting hole for fixing them.

[0081] In this embodiment, each of the intermediate adapters and the tail adapter 08 is an integral and non-detachable part.

[0082] In this embodiment, N=3. In the relevant safety regulations, the total number of sockets connected in series cannot be greater than 8. Therefore, when there are two adapters 34 on both the middle adapter and the tail adapter 08, the number of sockets that can be connected in series is 8, and N=3 at this time.

[0083] In this embodiment, each intermediate adapter and the tail adapter 08 has two adapters 34 , and the two intermediate special adapters of each intermediate adapter are arranged back to back.

[0084] In other embodiments, the number of adapters on each intermediate adapter and the tail adapter may also be four.

[0085] The beneficial effects of the power supply system of the first embodiment of the present invention are: by designing special connectors for the first power line 01, the middle power line, the middle adapter and the rear adapter 08, only the components within the power supply system can be connected in a specific order, and the number of adapters 34 used to connect to the socket is limited, thereby achieving the purpose of limiting the number of sockets connected in series; since the socket is connected to the adapter 34 of the adapter through the socket connector 5, the front socket will not affect the rear socket; since the socket is connected to the adapter 34 of the adapter through the socket connector 5, the installation method of the socket can also be diversified, and the position of the socket can also be changed; the adapter is provided with an anti-detachment buckle 31 to prevent the power line and the adapter from escaping; the adapter is provided with an anti-detachment buckle 31 to prevent the socket and the adapter from escaping.

Claims

1. A power-taking device that limits the number of sockets connected in series, characterized in that: The power taking system comprises: A first power cord (01), one end of the first power cord (01) having a first specially made connector; An intermediate power line, wherein the intermediate power lines are multiple and are divided into a first intermediate power line (03), a second intermediate power line (05) to an Nth intermediate power line, and both ends of the multiple intermediate power lines have intermediate special connectors; Intermediate adapters, each of which is in plurality and is divided into a first intermediate adapter (02), a second intermediate adapter (04) to an Nth intermediate adapter, each of which has two intermediate special joints and at least one adapter (34); A tail adapter (08), the tail adapter (08) having a tail-specific joint and at least one adapter (34); A socket, wherein there are a plurality of sockets, one end of the socket is provided with a socket connector (5), and the socket connector (5) is matched with the adapter (34); The first special connector, the middle special connector and the tail special connector are constructed as follows: the first power cord (01), the first middle adapter (02), the first middle power cord (03), the second middle adapter (04), the second middle power cord (05) ... the Nth middle power cord can only be plugged in sequentially, and the tail adapter (08) can at least be plugged in with the Nth middle power cord; or, the first special connector, the middle special connector and the tail special connector are constructed as follows: the first middle adapter (02), the first middle power cord (03), the second middle adapter (04), the second middle power cord (05) ... the tail adapter (08) can only be plugged in sequentially, and the first power cord (01) can at least be plugged in with the first middle adapter (02); The two middle special joints of each middle adapter are arranged back to back.

2. The power taking device for limiting the number of sockets connected in series according to claim 1, characterized in that: Whether the first special connector, the middle special connector and the last special connector can be plugged in or not is achieved through a special slot (131) and a special plug post (211).

3. The power taking device for limiting the number of sockets connected in series according to claim 2, characterized in that: The special plug post (211) comprises a convex ring and one or more convex ribs (2111) located outside the convex ring, and the special slot (131) comprises a ring groove matched with the convex ring and a groove (1311) matched with the convex rib (2111), and the convex ribs (2111) on different special plug posts (211) have different positions relative to the convex ring.

4. The power taking device for limiting the number of sockets connected in series according to claim 3, characterized in that: The special connector including the special plug post (211) also has a positioning plug post (212), wherein there are two positioning plug posts (212), and the positioning plug posts (212) are provided with positioning ribs (2121) outside. The connector including the special slot (131) also has a positioning groove (132) matched with the positioning plug post (212), and the special slot (131), the special plug post (211), the positioning plug post (212), and the positioning groove (132) are provided with metal columns (32) or metal hole columns (33).

5. The power taking device for limiting the number of sockets connected in series according to claim 4, characterized in that: The special connectors on the first power line (01) and the middle power line include an upper cover (11) and a lower cover (12) connected by screws, and connectors respectively connected to the upper cover (11) and the lower cover (12), wherein the connectors are divided into a first connector (21) and a second connector (13), wherein the first connector (21) is formed with the special plug post (211) and the positioning plug post (212), and the second connector (13) is formed with the special slot (131) and the positioning slot (132).

6. The power taking device for limiting the number of sockets connected in series according to claim 4, characterized in that: Each of the intermediate adapters and the tail adapter (08) is an integral and non-detachable part.

7. The power taking device for limiting the number of sockets connected in series according to claim 1, characterized in that: Each intermediate adapter is also provided with an anti-drop buckle (31), one end of the anti-drop buckle (31) is inserted into an intermediate special joint, and the other end is snap-connected with another intermediate special joint; or Each intermediate adapter is also provided with an anti-drop buckle (31), and both ends of the anti-drop buckle (31) are respectively snap-connected with the connector; or The tail adapter (08) is also provided with an anti-drop buckle (31), and the anti-drop buckle (31) is snap-connected with the middle special connector of the Nth middle power line.

8. The power taking device for limiting the number of sockets connected in series according to claim 1, characterized in that: The adapter (34) of each intermediate adapter is parallel to the two intermediate special adapters of the intermediate adapter; or Each of the intermediate adapters and the tail adapter (08) has two adapters (34); or All adapters (34) of the intermediate adapters and the tail adapter (08) are the same.

9. The power taking device for limiting the number of sockets connected in series according to claim 1, characterized in that: Each of the intermediate adapters and the tail adapter (08) is provided with a mounting hole for fixing the same.

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