WO2018059106A1

WO2018059106A1 - Power strip with replaceable power cord device

Info

Publication number: WO2018059106A1
Application number: PCT/CN2017/095089
Authority: WO
Inventors: 于正河; 石云鹏; 于希萌; 蔡冬; 马文静
Original assignee: 吕寿芹
Priority date: 2016-09-28
Filing date: 2017-07-31
Publication date: 2018-04-05
Also published as: CN106229779B; CN106229779A

Abstract

A power strip with a replaceable power cord device belongs to the technical field of electrical appliances. The main structure thereof comprises connecting plugs (1), a wireless power strip (2), a wireless socket (3), a first connecting jack (4), a second connecting jack (5), and a connecting power cord (22). The main structure of each of the connecting plugs (1) comprises: a plug supporting base (6), a plug (7), a box body (9), a fixing bolt (13), a T-shaped sealant sleeve (14), a box cover (15), a lug fixing hole (16), a U-shaped groove (17), a sealant sleeve (18), a plug groove (19), a fastener (20), etc. Two ends of the connecting power cord (22) are mounted with the connecting plugs (1), the first connecting jack (4) on the side surface of the wireless power strip (2) is in a plug-in connection with the connecting plug (1) at one end of the connecting power cord (22), the connecting plug (1) at the other end of the connecting power cord (22) is in a plug-in connection with the second connecting jack (5) on the front surface of the wireless socket (3). When replacing the connecting power cord (22), a user only needs to unplug the connecting plugs (1) from the wireless power strip (2) and the wireless socket (3), open the box cover (15), and replace with a connecting power cord (22) of any length. The power strip with a replaceable power cord device has a simple main structure, is convenient to install and use, and is safe and user-friendly.

Description

Connecting line device for changing line

Technical field:

The invention belongs to the technical field of electrical equipment, and relates to a connecting line device, in particular to a connecting line device for changing a line, selecting a suitable connecting line length according to actual needs, and directly installing a plug at both ends of the connecting line, one end of the connecting line The plug is inserted into the jack on the side of the wireless strip, and the plug at the other end is inserted into the wireless socket to complete the socket change.

Background technique:

Nowadays, China has already entered the era of electrification, and electric energy is closely related to the daily life of each of us. It is inseparable from the daily life, and the transmission of electric energy is inseparable from the transmission and transmission lines. Especially in family life, in order to deliver electric energy to various electrical appliances, various types of plugs are connected. Almost every family has several plugs to connect household appliances, especially as the economy continues to develop, and various types of electrical appliances More and more, this also makes the demand for the market in the insertion and output market continue to increase. As the market continues to increase, the style and function of the strips are more and more diversified, and cylindrical inserts appear in the style. , hemispherical strips, line-shaped strips and other irregular shape strips, there are also some splicing strips, which can splicing a certain number of jacks according to requirements; anti-static strips and lightning protection appear in function The plug-in row, the strip with alarm function, the strip with the ability to cut off the circuit and the automatic reset function, the waterproof strip and other functions. However, in the existing plug-in rows on the market, it is not possible to quickly replace the plug-in cable. One end of these plug-in cable is integrally connected with the plug, and can only be destructively disassembled. The other end of the plug-in cable is inserted inside the plug and the plug. The lines of the row are connected, and the plug-in main line structure must be disassembled to disassemble and replace the plug-in connection line. At the present stage, the manufacturing process and technical level of the plug-in row are becoming more and more high-tech, and the main structure of the plug-in row is easily caused. Unable to restore the original condition and cause damage to the insertion. The plugs currently sold are fixed-size connectors. The specifications of the plug-in cable are generally only 5m, 10m, 15m, 20m, etc. This kind of plug-in with fixed-size plug-in cable is difficult to meet the flexibility. Diversified market demand, and the size difference is too large, it will bring a lot of inconvenience in life, such as the problem that the connection line is not long enough when using one plug, and the line is too long when the two plugs are used in series. Want to connect the cable length is right, can only take Destructive means to cut off the connection line to access the connection line, but this is more dangerous, and it is very dangerous. Therefore, it is sought to design a connecting line device for changing the wire strip, which is quick and convenient to install, can quickly complete the plugging and changing line without additional auxiliary tools, is safe to use, and can quickly replace connecting lines of different lengths according to requirements.

Summary of the invention:

The object of the present invention is to overcome the shortcomings of the prior art, and to design a connecting line device for changing the wire strip, which can first cut a suitable length of the plug-in connecting line as needed, and can respectively connect the two ends of the connecting line with the connecting line. The plug is connected, and the two plugs connected with the connecting wires are respectively connected with the wireless socket and the wireless plug to realize wireless plugging and changing.

In order to achieve the above object, the main structure of the cable connecting device of the present invention includes: a connecting plug, a wireless plug, a wireless socket, a first connecting jack, a second connecting jack, and a connecting line; The main structure includes: bolt support seat, bolt, wire hole, box body, fixing block, bump, fixing piece, fixing bolt, T-shaped sealing rubber sleeve, box cover, bump fixing hole, U-shaped groove, sealant The sleeve and the buckle groove and the buckle, the high-temperature and high-flame-resistant engineering plastic material, the rectangular parallelepiped box body has a top-opening pentahedron structure, and the convex portions are respectively arranged at the center of the two long sides, and the convex blocks are outwardly convex. In the shape of a round hat, the bolt consists of three strips of metal strips horizontally passing through the right side of the box. Two of the metal strips of the bolt are placed at the left and right edges of the right side of the box, between the two metal strips. The straight line distance is 12-16mm, and the other metal strip of the latch is placed at the upper side of the right side plate of the box body; the pin passes through the right side of the box body for connection with the first connection jack or the second connection jack Plug-in connection, the three metal strips of the latch are located in the box The end portion of the inner portion is fixedly connected with a fixing piece having a thread on the outer surface, and the horizontally disposed fixing piece comprises two curved metal pieces protruding toward the threaded side, and the two pieces of metal piece of the fixing piece enclose a hollow The cylindrical structure, adjacent to the right side of the fixing piece, is provided with a fixing bolt which is threadedly engaged with the fixing piece, and the end portion of the connecting wire is placed in the hollow cylindrical structure in the middle of the fixing piece, and then the fixing bolt is tightened to fix the connecting line to be connected. The lower end of the latch on the right side of the two fixing bolts is fixed with a bolt support seat for supporting the bolt, and the upper surface of the bolt support seat of the engineering plastic material with high temperature resistance and high flame retardancy is a stepped structure with low middle and high sides, and supports The lower bottom surface of the seat is fixedly connected with the ground of the box body, and the upper surface of the bolt support seat is in close contact with the bottom surface of the pin to form a rigid support for lifting the plug. The stability of the pin; a circular inlet hole is formed in the middle of the left side plate of the box body for passing through the connecting line, and the elastic T-shaped sealing rubber sleeve is disposed close to the inner edge of the feeding hole hole, T-shaped sealing The rubber sleeve has a circular sealing piece at one end, and the T-shaped sealing rubber sleeve is inserted into the wire hole from the outer side of the left side plate of the box body, and the sealing piece of the T-shaped sealing rubber sleeve is from the outer surface of the left side plate of the box body. The inlet hole is sealed to prevent water vapor from entering; the bottom side of the box body on the right side of the inlet hole is provided with two rectangular parallelepiped fixing blocks, and the two rectangular parallelepiped fixing blocks are placed on the same straight line, and the spacing between the two fixed blocks The diameter of the cross-section of the connecting wire is less than 2-4 mm, and the opposite sides of the two fixing blocks are respectively recessed inwardly to fix the connecting line connected with the fixing piece; the outer side of the bottom surface of the box body is disposed with a circular pull buckle, When used in combination with the bumps, when the two fingers are pressed and held by the two fingers, the pull buckle is pulled to open the connection plug; the high-temperature, high-flame-resistant engineering plastic material rectangular box cover is a top open structure, and the two long sides are Circular bump fixing holes are respectively arranged at the center, and the bumps are fixed The utility model is used for clamping the box body to cover the box body, and the outer side of the fixing hole of the protrusion is fixedly provided with an elastic sealing rubber sleeve, and the sealing rubber sleeve is used for preventing moisture from entering the connecting plug from the fixing hole of the protrusion; the right side plate of the box cover The latch slot is provided, and the latch slot comprises three rectangular opening structures extending vertically downward from the edge of the right side plate of the cover. The positions of the three opening structures respectively correspond to the positions of the three metal strips in the latch, respectively, in the latch slot The depth of the three opening structures and the upper surfaces of the three metal strips in the latch are equal to the distance from the ground, and the latch slot is used to cover the portion of the latch that protrudes from the box so that the cover can be placed on the box; the left side of the cover A U-shaped groove protruding downward is formed in the middle of the upper end, and the width of the U-shaped groove is equal to the diameter of the inlet hole, and the depth of the U-shaped groove is equal to the distance from the upper end of the inlet hole to the ground, and the cover is covered in the box. In the body, the U-shaped groove is used to fit on the connecting line connected with the connecting plug.

The left side of the wireless power strip of the present invention is provided with a first connection jack for plug-in connection with the plug, the first connection jack is a three-hole structure matched with the plug, and the three holes of the first connection jack The position corresponds to the position of the three metal strips of the latch, the first connection jack has a built-in line connecting the internal circuit of the wireless strip, and the first connection jack of the plug inserted into the wireless plug can be connected with the inside of the wireless plug The lines are electrically connected.

The wireless socket of the present invention is provided with a metal connecting plug on the side, and the connecting plug comprises three elongated metal strips passing through the upper side of the wireless socket, and the connecting plug has the same specifications as the three-pin plug on the commercially available wired plug, and the wireless socket Second connection jack on the front side, connection plug One end located in the upper side of the wireless socket is electrically connected to the second connection jack inside the wireless socket, the other end of the connection plug is inserted into the power socket to connect with the external power source, and the second connection jack is used for plug-in electrical connection with the plug. When the plug is inserted into the second connection jack of the wireless socket, the transmission line that is connected to the plug and then sent to the connection line connected to the plug is formed.

When the invention is used, the connecting line to be replaced is removed, and the disassembling steps are as follows: after the power is disconnected, the connecting plug is first pulled out from the first connecting jack, the bumps on both sides of the box body are pinched, and the box body is pulled. Pull the buckle on the back to separate the box and the cover. After loosening the fixing bolt, take out one end of the connecting line connected with the fixing piece, complete the process of disconnecting the connecting line connecting device of the changing line; then cut the appropriate length as needed. The connecting wires are respectively connected to the connecting plugs at the two ends. The connecting steps are as follows: one end of the connecting wire is passed through the incoming wire hole, and one end of the connecting wire is respectively connected to the fixing piece in the box body through the live wire and the zero wire. And tighten with fixing bolts, press the connecting wire into the fixing block to fix it, cover the cover on the box body, and insert the bump into the fixing hole of the bump, and finally connect two connecting plugs connected with the connecting wire. Insert into the second connection jack on the wireless socket, and insert the other connection plug into the first connection jack of the wireless strip to complete the wiring process of the connection line connecting device of the change line.

Compared with the prior art, the invention can realize fast and safe replacement of the plug-in cable, and is convenient to operate, and can meet diverse market demands. The standardized connector plug and the electrical jack design can make the connector plug of different specifications. The wireless plug is used, flexible and convenient to use, and has high safety; the main structure is simple, the installation and use are convenient, the application environment is friendly, and the market prospect is broad.

BRIEF DESCRIPTION OF THE DRAWINGS:

1 is a schematic view showing the principle of the main structure of the present invention.

2 is a schematic view showing the structure of the main body of the connector plug according to the present invention.

3 is a schematic view showing the principle of the main body of the cover according to the present invention.

4 is a schematic view showing the structure of the bottom surface of the connector plug according to the present invention.

FIG. 5 is a schematic diagram of the main structure of the wireless power strip according to the present invention.

FIG. 6 is a schematic diagram of the main structure of a wireless socket according to the present invention.

detailed description:

The invention is further illustrated by the following examples in conjunction with the accompanying drawings.

Example:

The main structure of the cable splicing cable device of the embodiment includes: a connecting plug 1, a wireless plug 2, a wireless socket 3, a first connecting jack 4, a second connecting jack 5, and a connecting line 22; The main structure of 1 includes: latch support seat 6, latch 7, access hole 8, box body 9, fixing block 10, bump 11, fixing piece 12, fixing bolt 13, T-shaped sealing rubber sleeve 14, cover 15 , the bump fixing hole 16, the U-shaped groove 17, the sealing rubber sleeve 18 and the pin groove 19 and the buckle 20, the high-temperature, high flame-retardant engineering plastic material rectangular box body 9 is a top surface open pentahedron structure, two The center of the long side is respectively provided with a bump 11 which is an outwardly convex round hat-shaped structure, and the plug 7 is composed of three elongated metal strips horizontally passing through the right side plate of the casing 9, the latch 7 Two metal strips are placed at the left and right edges of the right side plate of the box body 9, the straight line distance between the two metal strips is 12-16 mm, and the other metal strip of the plug 7 is placed in the middle of the right side of the box body 9. Upper portion; the latch 7 passes through a portion of the right side plate of the casing 9 for plug-in connection with the first connection jack 4 or the second connection jack 5, the latch 7 The three metal strips are respectively fixedly connected with the outer surface of the threaded fixing piece 12 at the end of the inner part of the box body, and the horizontally placed fixing piece 12 comprises two curved metal pieces protruding toward the threaded side, and two of the fixing piece 12 The sheet metal piece is surrounded by a hollow cylindrical structure, and a fixing bolt 13 which is threadedly engaged with the fixing piece is sleeved on the right side of the fixing piece 12, and the end portion of the connecting line 22 is placed in the hollow cylindrical structure in the middle of the fixing piece 12, and then The fixing bolts 13 are tightened to fix the connecting wires 22 to be connected; the lower ends of the plugs 7 on the right side of the two fixing bolts 13 are fixed with a latch supporting seat 6 for supporting the plugs 7, and the engineering plastic material with high temperature resistance and high flame retardancy is used. The upper surface of the pin support base 6 is a stepped structure with low middle and high sides. The lower bottom surface of the support base 6 is fixedly connected with the ground of the casing 9. The upper surface of the plug support base 6 is in close contact with the lower bottom surface of the plug 7 to form rigidity. Supporting for improving the stability of the plug 7; a circular inlet hole 8 is formed in the middle of the left side plate of the casing 9 for passing through the connecting line 22, and is disposed close to the inner edge of the threaded hole 8 to handle the elastic T Font sealant sleeve 1 4. The T-shaped sealing rubber sleeve 14 has a circular sealing piece at one end, and the T-shaped sealing rubber sleeve 14 is inserted into the inlet hole 8 from the outer side of the left side plate of the casing 9, and the T-shaped sealing rubber sleeve 14 is sealed. The sheet seals the inlet hole 8 from the outer surface of the left side plate of the casing 9 to prevent moisture from entering; the box on the right side of the inlet hole 8 Two rectangular parallelepiped fixing blocks 10 are disposed on the bottom surface of the body 9. The two rectangular parallelepiped fixed blocks 10 are placed one behind the other on the same straight line. The spacing between the two fixed blocks 10 is smaller than the cross-sectional diameter of the connecting wire 22 by 2-4 mm, and the two fixed blocks 10 are opposite. The two sides are respectively recessed inwardly to fix the connecting line 22 connected to the fixing piece 12; the outer side of the bottom surface of the box body 9 is disposed with a circular buckle 20 for use with the bump 11 in one hand. When the two fingers respectively press and hold the two bumps 11, the pull buckle 20 is pulled to open the connection plug 1; the rectangular plastic cover 15 of the engineering plastic material with high temperature resistance and high flame retardancy is a top open structure, and the center of the two long sides is respectively placed The circular protrusion fixing hole 16 is used for clamping the protrusion 11 to cover the box body 9. The outer side of the protrusion fixing hole 16 is fixedly provided with an elastic sealing rubber sleeve 18, and the sealing rubber sleeve 18 is sealed. The utility model is arranged to prevent moisture from entering the connecting plug 1 from the bump fixing hole 16; the right side of the cover 15 is provided with a latching groove 19, and the latching groove 19 comprises three vertically extending downward from the edge of the right side of the cover 15 Rectangular open structure, position of three open structures and three gold in the plug 7 The positions of the strips respectively correspond to each other, and the depths of the three opening structures in the latching groove 19 and the upper surfaces of the three metal strips in the latch 7 are respectively equal to the ground distance, and the latching groove 19 is used to cover the portion of the latching rod 7 that protrudes from the casing 9 so that The cover 15 can be covered on the casing 9; a U-shaped groove 17 protruding downward is formed at the middle of the left end of the cover 15 of the cover 15, and the width of the U-shaped groove 17 is equal to the diameter of the inlet hole 8, U The depth of the groove 17 is equal to the distance from the upper end of the inlet hole 8 to the ground, and the cover 15 is placed on the casing 9, and the U-shaped groove 17 is fitted over the connecting wire 22 connected to the connection plug 1.

The left side of the wireless strip 2 of the present embodiment is provided with a first connection jack 4 for plug-in connection with the plug 7. The first connection jack 4 is a three-hole structure matched with the plug 7, the first connection plug The positions of the three holes of the hole 4 correspond to the positions of the three metal strips of the plug 7, the first connection jack 4 has a built-in line communicating with the internal circuit of the wireless strip 2, and the plug 7 is inserted into the wireless strip 2 A connection jack 4 is in electrical communication with the line inside the wireless strip 2.

The wireless socket 3 of the embodiment is provided with a metal connection plug 21 on the upper side thereof. The connection plug 21 includes three elongated metal strips passing through the upper side of the wireless socket 3, and the connection plug 21 and the three pins on the commercially available wired socket. The plugs have the same specifications, and the second socket 5 is disposed on the front side of the wireless socket 3, and the connection plug 21 is located at one end and the second side of the upper side of the wireless socket 3. The connection jack 5 is electrically connected inside the wireless socket, the other end of the connection plug 21 is inserted into the power socket and connected to the external power source, the second connection jack 5 is used for plug-in electrical connection with the plug 7, and the plug 7 is inserted into the wireless socket 3 In the second connection jack 5, the connection plug 21 is transported to the plug 7 and then to the power transmission line of the connection line 22 connected to the plug 7.

When the embodiment is used, the connecting line to be replaced is removed, and the disassembling step is as follows: after the power is turned off, the connecting plug 1 is first pulled out from the first connecting jack 4, and the bumps on both sides of the box 9 are pinched. 11. Pull the buckle 20 on the back of the casing 9 to separate the casing 9 from the cover 15. After the fixing bolt 13 is loosened, one end of the connecting line connected to the fixing piece 12 is taken out, and the connecting line 22 for the wire-changing row is completed. The connecting device is disconnected; then the connecting cable of appropriate length is cut as needed, and the two ends of the connecting wire are respectively connected with the connecting plug 1. The connecting steps are as follows: one end of the connecting wire is passed through the incoming hole 8 and one end of the connecting wire is connected The fire wire and the neutral wire are respectively inserted into the fixing piece 12 in the casing 9 and screwed by the fixing bolts 13, and the connecting wire is pressed into the fixing block 10 to be fixed, and the cover 15 is placed on the casing 9 and The bump 11 is snapped into the bump fixing hole 16, and finally one of the two connecting plugs 1 connected to the connecting wire is inserted into the second connecting jack 5 on the wireless socket 3, and the other connecting plug 1 is inserted into the wireless plug 2 In the first connection jack 4, the connection line 22 for completing the changeover line is connected to the device. Process.

Claims

The utility model relates to a cable connecting device, wherein the main structure comprises: a connecting plug, a wireless plug, a wireless socket, a first connecting jack, a second connecting jack and a connecting line; and the main structure of the connecting plug comprises :Latch support seat, latch, wire entry hole, box body, fixing block, bump, fixing piece, fixing bolt, T-shaped sealing rubber sleeve, cover, bump fixing hole, U-shaped groove, sealing rubber sleeve and bolt The rectangular box body of the engineering plastic material with high temperature and high flame retardancy is a pentahedron structure with a top opening, and the center of the two long sides is respectively provided with a convex block, and the convex piece is an outwardly convex round hat shape. The structure is composed of three strips of metal strips horizontally passing through the right side plate of the box body. Two metal strips of the bolt are placed at the left and right edges of the right side panel of the box body, and the straight line distance between the two metal strips is 12-16mm, the other metal strip of the latch is placed in the middle of the right side of the box; the plug passes through the right side of the box for plug-in connection with the first connection socket or the second connection socket , the three metal strips of the latch are located at the end of the inner part of the box The fixing piece with the outer surface being threaded is fixedly connected, and the horizontally placed fixing piece comprises two curved metal pieces protruding toward the threaded side, and the two pieces of the metal piece of the fixing piece form a hollow cylindrical structure, which is adjacent to the fixing piece. The right side sleeve has a fixing bolt engaged with the fixing piece thread, the end part of the connecting line is placed in the hollow cylindrical structure in the middle of the fixing piece, and then the fixing bolt is tightened to fix the connecting line to be connected; the two fixing bolts are right The lower end of the side pin is fixed with a pin support seat for supporting the bolt, and the upper surface of the bolt support seat of the engineering plastic material with high temperature resistance and high flame retardancy is a stepped structure with low middle and low sides, and the lower bottom surface of the support base and the box The ground connection of the body is fixed, and the upper surface of the bolt support seat is in close contact with the bottom surface of the bolt to form a rigid support; a circular inlet hole is formed in the middle of the left side plate of the box body for passing through the connecting line and closely contacting the incoming line The inner edge of the hole is treated with an elastic T-shaped sealing rubber sleeve, and the T-shaped sealing rubber sleeve has a circular sealing piece at one end, and the T-shaped sealing rubber sleeve is inserted into the incoming line from the outer side of the left side plate of the box body. The sealing piece of the T-shaped sealing rubber sleeve seals the inlet hole from the outer surface of the left side plate of the box body; two rectangular parallelepiped fixing blocks are disposed on the bottom surface of the box body on the right side of the inlet hole hole, and two rectangular parallelepiped fixing blocks are arranged Placed on the same straight line, the spacing between the two fixing blocks is less than 2-4 mm of the cross-sectional diameter of the connecting line, and the opposite sides of the two fixing blocks are respectively recessed inwardly to fix the connecting line connected with the fixing piece; Box A circular pull buckle is disposed on the outer side of the bottom surface for use with the bump. When the two fingers are respectively pressed and held by the two fingers, the pull buckle is opened to open the connection plug; the high temperature and high flame retardant engineering plastic material rectangular box The cover has a top opening structure, and a circular protrusion fixing hole is respectively disposed at a center of the two long sides, and the protrusion fixing hole is used for clamping the box body on the protrusion, and the outer side of the protrusion fixing hole is fixedly disposed Elastic sealing rubber sleeve; the right side of the lid has a pin slot, and the latch slot comprises three rectangular opening structures extending vertically downward from the edge of the right side of the lid, the position of the three opening structures and the position of the plug The positions of the three metal strips respectively correspond to each other. The depth of the three opening structures in the latch slot and the upper surface of the three metal strips in the latch are respectively equal to the distance from the ground, and the latch slot is used to cover the portion of the latch protruding from the box so that the cover can Covered on the box body; a U-shaped groove protruding downward is opened at the middle of the left end of the cover, the width of the U-shaped groove is equal to the diameter of the inlet hole, and the depth of the U-shaped groove and the upper end of the inlet hole The distance from the ground is the same size. Cap on the cartridge body, U-shaped groove in the sleeve for a connecting line connected to the connection plug.
The cable connecting device of claim 1 , wherein the left side of the wireless strip is provided with a first connecting jack for plug-in connection with the plug, the first connecting jack is The latch has a matching three-hole structure, and the positions of the three holes of the first connection jack correspond to the positions of the three metal strips of the plug, and the first connection jack has a built-in line connecting the internal circuits of the wireless strip, and the pin is inserted. The first connection jack on the wireless strip can be in electrical communication with the line inside the wireless strip.
The cable splicing device of claim 2, wherein the wireless socket is provided with a metal connecting plug on the side, and the connecting plug comprises three elongated metal strips passing through the upper side of the wireless socket. The connection plug has the same specifications as the three-pin plug on the commercially available wired plug. The front side of the wireless socket has a first connection jack, and the connection plug is located at one end of the wireless socket on the side and the second connection jack is inside the wireless socket. The other end of the connection plug is used for plugging into a power socket for connection with an external power source, and the second connection jack is for plug-in type electrical connection, and when the plug is inserted into the second connection socket of the wireless socket, the connection plug is sent to the latch. Then, it is sent to the transmission line of the connecting line connected to the plug.