CN102064415B - Electric plug and socket as well as massager - Google Patents

Abstract

The invention provides an electrical plug, socket and massager. The plug includes a housing provided with a first air pipe and a first wire hole, a first circuit board is provided on the housing, and pins are provided on the first circuit board. hole, and a first magnetic element is also provided on the housing; the socket includes a base with a second air pipe and a second wire hole, the first air pipe is connected to the second air pipe, and the base is provided with a second circuit board, A pin is inserted into the second wire hole. One end of the pin is in electrical contact with the second circuit board, and the other end is inserted into the pin hole. The base is provided with a second magnetic element that is attracted to the first magnetic element. The electrical plug and electrical socket provided by the present invention adopt the principle of magnetic attraction, which makes plugging and pulling more convenient on the one hand; The internal structure not only saves the manufacturing cost, but also makes the structure of the electric plug and the electric socket unrestricted, so the design can be smaller.

Description

Electrical plugs, sockets and massagers

technical field

The invention relates to a plug structure, more specifically, an electric plug, a socket and a massager using the electric plug and socket.

Background technique

As a health care device that can dredge meridians, calm pain, promote blood circulation and relieve fatigue, massager is gradually entering people's lives. Existing massager is divided into multiple, and wherein pneumatic massager is more common a kind of massager. A pneumatic massager generally includes a massager body, a controller, and a conduit connecting the massager body and the controller. The conduit is used to pass through the gas and wires. However, in the existing pneumatic massagers, the conduit, the main body of the massager and the controller are mostly fixedly connected and cannot be disassembled. Because the conduit needs to be bent frequently during storage or use, it is easy to cause damage to the wires in the conduit. It cannot be disassembled, so the catheter cannot be replaced, which brings inconvenience to maintenance and repair.

In view of the above defects, there is also a connector assembly for connecting the main body and the controller that is easy to maintain and replace. The connector assembly includes a detachable plug and socket. When performing maintenance and replacement, you only need to plug the plug It is very convenient to disengage from the socket. However, the interlocking snap structure is adopted between the plug and the socket, and the snap structure is disassembled and installed by pressing the pressing parts on both sides of the plug. This kind of plug-in structure with buckle connection has a complex structure. On the one hand, it increases the cost of mold opening during production; on the other hand, it also requires a certain space for the plug and socket to accommodate the internal complex structure, so the plug and socket cannot It is compact and portable; and due to structural limitations, this plug and socket are only suitable for side installation.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the defects of the prior art, to provide a simple in structure, easy to insert and pull out electrical plug, socket and a massager using the electrical plug and socket.

In order to solve the above technical problems, the technical solution of the present invention is to provide an electrical plug, which includes a housing provided with a first air pipe and a first wire hole, a first circuit board is provided outside the bottom wall of the housing, The first circuit board is connected to the wire passing through the first wire hole, the first circuit board is provided with a pin hole, and a first magnetic element is provided outside the bottom wall of the housing; The first port of the first air pipe protrudes from the side wall of the housing, the second port of the first air pipe passes through the bottom wall of the housing, and the first circuit board has a A central hole connected to the two ports, a groove is provided on the bottom wall of the housing corresponding to the central hole, and a sealing gasket is placed in the groove, and the sealing gasket has the same shape as the second The air hole that the port communicates with.

Specifically, the sealing gasket has an annular step, and the annular step separates the sealing gasket to form a first section and a second section, the size of the first section is larger than that of the second section, and the first section is placed in the In the groove, the second segment protrudes from the central hole of the first circuit board and the protruding end face is flush with the outer plane of the first circuit board.

Further, a first slot is provided on the bottom wall of the housing and surrounds the first circuit board, and the first magnetic element is disposed in the first slot.

Further, the first wire hole is set on the side of the first port and is located on the same level as the first port, and the bottom wall of the housing is also provided with a penetrating bottom wall that can accommodate the first port. The third wire hole through which the wire passing through the wire hole passes.

The invention provides an electrical socket, comprising a base provided with a second air pipe and a second wire hole, a second circuit board is arranged on the base, a pin is inserted in the second wire hole, and the plug One end of the needle is in electrical contact with the second circuit board, and the base is also provided with a second magnetic element; a fixed seat is also provided in the described base, and the second air pipe is arranged on the fixed seat. There are a plurality of second wire holes in the center and through the through hole of the base, and are evenly distributed on the fixing seat.

Further, a second card slot is provided on the base and surrounds the fixing seat, and the second magnetic element is arranged in the second card slot.

Specifically, the insertion pin includes a syringe and needles protruding from both ends of the syringe, and a spring in contact with the two needles is also provided in the syringe.

The present invention also provides a massager, including a massager main body and a controller. The massager main body and the controller are connected through a conduit. electrical plug, the main body of the massager and the controller are respectively provided with the above-mentioned electrical socket plugged with the electrical plug.

In the present invention, the plugging and unplugging of the electrical plug and the electrical socket are carried out through the attraction and separation of the two magnetic elements, so as to realize electrical connection and disconnection, and the principle of magnetic attraction is adopted, on the one hand, it makes plugging and unplugging more convenient; On the other hand, the magnetic suction structure is simpler than the original buckle structure, which greatly simplifies the internal structure of the electrical plug and electrical socket, not only saves the manufacturing cost, but also makes the design of the electrical plug and electrical socket unrestricted, so it can be used Designed to be more compact.

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional structure after the electrical plug provided by the present invention is plugged into the socket;

Fig. 2 is another three-dimensional structural schematic diagram of the electrical plug provided by the embodiment of the present invention after being plugged into the socket;

Fig. 3 is the exploded schematic diagram of Fig. 1;

Fig. 4 is the sectional view of electric plug in the embodiment of the present invention;

Fig. 5 is a sectional view of an electrical socket in an embodiment of the present invention;

Fig. 6 is a top view of the electrical plug provided by the embodiment of the present invention after being plugged into the socket;

Fig. 7 is A-A sectional view among Fig. 6;

Fig. 8 is B-B sectional view among Fig. 6;

Fig. 9 is a schematic structural diagram of a pin in an embodiment of the present invention;

Fig. 10 is a schematic structural view of a preferred embodiment of the massager provided by the present invention;

Fig. 11 is a perspective view of a catheter in an embodiment of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Referring to Fig. 1 and Fig. 2, it is a schematic diagram of plugging the electric plug 1 and the electric plug 2 provided by the present invention. Referring to FIG. 3 and FIG. 4 , the electrical plug 1 includes a housing 11 . The housing 11 is a cylindrical structure with a first accommodating cavity 12 . The first accommodating cavity 12 is provided with a first air tube 13 , and two ends of the first air tube 13 respectively have a first port 131 and a second port 132 . The first port 131 protrudes from the side wall of the first accommodating cavity 12 , and the second port 132 penetrates the bottom wall of the first accommodating cavity 12 . Wherein, the first port 131 is connected to an external air duct, and the second port 132 is used to realize gas communication with the electrical socket 2 .

Since the first gas pipe 13 of the electrical plug 1 realizes gas communication with the electrical socket 2 through the second port 132, in order to ensure the sealing of the second port 132, the electrical plug 1 in this embodiment also includes a sealing Gasket 14 , the center of the sealing gasket 14 has an air hole 141 communicating with the second port 132 . As can be seen from FIG. 4 , a groove 121 is formed on the bottom wall of the first accommodating cavity 12 , and the sealing gasket 14 is placed in the groove 121 . In this way, the first gas pipe 13 and the sealing gasket 14 in the electrical plug 1 constitute the gas transmission channel in the electrical plug 1 .

4 and 8, in this embodiment, a first wire hole 122 is respectively provided on the side wall of the first accommodating chamber 12 and on both sides of the first port 131, and the first wire hole 122 The axis of is located on the same horizontal plane as the axis of the first port 131 . In this way, the first port 131 and the first wire hole 122 can be externally connected to an external gas guide conduit at the same time. A first circuit board 15 is provided outside the bottom wall of the first accommodating cavity 12 , and a mounting hole 151 is provided on the first circuit board 15 (as shown in FIG. 3 ). The first circuit board 15 is fixed on the outer side of the bottom wall of the first accommodating cavity 12 by a fastener (not shown in the figure) passing through the installation hole 151 . Since the first wire hole 122 is located on the side wall of the first accommodating chamber 12, and the first circuit board 15 is located outside the bottom wall of the first accommodating chamber 12, so in order to make the wire passing through the first wire hole 122 (Fig. (not shown) is connected to the first circuit board 15 , and the bottom wall of the first accommodating cavity 12 is also provided with a third wire hole 123 penetrating the bottom wall. In this way, the wires passing through the first wire hole 122 , the third wire hole 123 and the first circuit board 15 constitute the electrical connection path of the electrical plug 1 . At the same time, a plurality of first pin holes 152 are provided on the first circuit board 15 to facilitate the electrical connection with the electrical socket 2 .

Please refer to FIG. 4 again, since the second port 132 passes through the bottom wall of the first accommodating chamber 12, the gasket 14 communicating with the second port 132 is arranged in a recess outside the bottom wall of the first accommodating chamber 12. slot 121, so in order to prevent the first circuit board 15 arranged outside the bottom wall of the first accommodating cavity 12 from blocking the air hole 141 of the gasket 14, in this embodiment, the first circuit board 15 It is designed as an annular structure, and an annular step 142 is designed on the sealing pad 14 . The annular step 142 separates the gasket 14 to form a first section 143 and a second section 144, the first section 143 is larger in size than the second section 144, wherein the first section 143 is placed in the groove 121, The second segment 144 protrudes from the first central hole 153 of the annular structure of the first circuit board 15 , and the protruding end surface is flush with the outer plane of the first circuit board 15 .

Please refer to FIG. 3 and FIG. 4 again. In this embodiment, the electrical plug 1 also has a first magnetic element 16 . The electrical plug 1 can be plugged in and out of the electrical socket 2 through the first magnetic element 16 . The first magnetic element 16 is a ring structure made of permanent magnets. A first slot 124 is formed outside the bottom wall of the first accommodating cavity 12 around the first circuit board 15 , and the first magnetic element 16 is placed in the first slot 124 .

Please refer to FIG. 3 again. In this embodiment, pipe joints 17 are inserted into the first port 131 and the first wire hole 122 . Through the pipe joint 17 , it is convenient to connect the first port 131 and the first wire hole 122 with the external gas conduction pipe.

Further, in this embodiment, the housing 11 of the electrical plug 1 also has a cover plate 18, which is fastened on the first accommodating cavity 12, on the one hand, it plays the role of dustproof and safety. On the other hand, it is detachable, and it is also convenient to open it to install or disassemble the internal components of the first accommodating chamber 12 .

Please refer to FIG. 3 and FIG. 5 again. In this embodiment, the electrical socket 2 includes a base 21 . The base 21 is a cylindrical structure with a second accommodating cavity 22 . A fixing seat 23 is disposed in the second accommodating chamber 22 . The center of the fixing base 23 has a through hole 231 through the base 21, the through hole 231 is the second air pipe of the electrical socket 2, when the electrical plug 1 is plugged into the electrical socket 2 , the second trachea communicates with the first trachea 13 . A plurality of second wire holes 232 are evenly distributed on the fixing base 23 and around the through hole 231 . Each of the second wire holes 232 is provided with a pin 24 inserted therein.

Specifically, referring to FIG. 9 , the insertion pin 24 includes a needle cylinder 241 and needles 242 protruding from both ends of the needle cylinder 241 . Spring 243.

Referring to Fig. 5, Fig. 7, Fig. 8, a second circuit board 25 is provided on the bottom wall of the base 21, and a fixing hole 251 is provided on the second circuit board 25. Fasteners (not shown in the figure) fix the second circuit board 25 on the outside of the bottom wall of the base 21 . Similarly, since the through hole 231 as the second air pipe runs through the bottom wall of the base 21, in order to avoid the second circuit board 25 located outside the bottom wall of the base 21 from blocking the through hole 231, this In an embodiment, the second circuit board 25 is also designed as a ring structure. The second central hole 252 of its annular structure communicates with the through hole 231 . There are a plurality of second pin holes 253 corresponding to the positions of the second wire holes 232 on the second circuit board 25 . After the second circuit board 25 is fixed on the outer side of the bottom wall of the base 2 , one end of the pin 24 is inserted into the second pin hole 253 .

Referring to FIG. 3 and FIG. 5 , a second locking groove 26 is disposed in the second accommodation cavity 22 and surrounds the fixing seat 23 , and a second magnetic element 27 is disposed in the second locking groove 26 . The second magnetic element 27 is a ring structure made of permanent magnets. Of course, in this embodiment, the first magnetic element 16 and the second magnetic element 27 are not limited to the permanent magnets here, and one of the magnetic elements can also be a soft magnetic element, that is, a magnetic metal material that can be magnetized. In this way, there is still a magnetic force between the two magnetic elements and they can attract each other.

The bottom of the second circuit board 25 is also provided with two joints 254. The joints 254 have interfaces through which the second circuit board 25, that is, the entire electrical socket 2, is fixed on external electronic products.

Please refer to Fig. 7 and Fig. 8 again. When the electrical plug 1 is mated with the electrical socket 2, the bottom end of the housing 11 is buckled on the base 2. At this time, the electrical plug 1 and the electrical socket 2 The first magnetic element 16 at the bottom of the housing 11 and the second magnetic element 27 in the base 2 are closely combined by the magnetic force of mutual attraction, and at the same time through the attraction of the first magnetic element 16 and the second magnetic element 27 The joint also plays the role of connecting the socket 1 and the electrical socket 2 in alignment. At this time, one end needle 242 of the pin 24 disposed in the second wire hole 232 just correspondingly extends into the first pin hole 152 on the first circuit board 15 of the electrical plug 1 . Because the other end needle head 242 of the pin 24 is inserted in the second pin hole 253 on the second circuit board 25, the electrical connection between the first circuit board 15 and the second circuit board 25 is realized through the connection of the pin 24. That is, the electrical connection between the electrical plug 1 and the electrical socket 2 is realized. At the same time, the through hole 231 in the center of the fixing seat 23 is in communication with the air hole 141 of the gasket 14 , so as to realize the gas communication between the electrical plug 1 and the electrical socket 2 . In this embodiment, the electrical plug-in structure adopts the principle of magnetic attraction, which on the one hand makes plugging and pulling more convenient; on the other hand, the magnetic attraction structure is simpler than the original buckle structure, which greatly simplifies the electrical plug 1 and the electrical socket 2. The internal structure not only saves the manufacturing cost, but also makes the design of the electrical plug 1 and the electrical socket 2 not limited, so the design can be made smaller.

Because a spring 243 is arranged between the two pin heads 242 of the pin 24, the pin 242 is retractable, which not only reduces the volume of the pin 24, but also plugs the pin 24 with the first circuit board 15 or the second circuit board 25. It also reduces the space for plugging.

In this embodiment, the housing 11 of the electrical plug 1 and the base 2 of the electrical socket 2 are both cylindrical structures with a small thickness. In this way, after the two are plugged together, the overall thickness is also small, so This electrical plug-in structure is suitable for side installation as well as surface installation. In this way, the plug structure is more flexible in use.

Referring to FIG. 10 , it is a schematic structural diagram of the massager 3 provided by the present invention. The massager 3 includes a massager main body 31 and a controller 32, wherein the massager main body 31 is provided with an air bag (not shown in the figure), an electric control element (not shown in the figure), and the controller 32 is provided with an air source (not shown in the figure) and a control circuit (not shown in the figure). The massager main body 31 and the controller 32 are connected through a conduit 33 .

Referring to FIG. 11 , the conduit 33 has an air guide hole 331 and two wire holes 332 , and the two wire holes 332 are respectively arranged on two sides of the air guide hole 331 .

Both ends of the conduit 33 are respectively connected with the above-mentioned electrical plugs 1 , and the electrical sockets 2 mated with the electrical plugs 1 are respectively provided on the massager main body 31 and the controller 32 . The pipe joint 17 inserted on the first port 131 and the first wire hole 122 on the electrical plug 1 corresponds to the air guide hole 331 and the wire hole 332 of the conduit 33 respectively; and through the joint 253 at the bottom of the electrical socket 2, Therefore, the two electrical sockets 2 are respectively fixed on the massager main body 31 and the controller 32 . The second trachea and the second circuit board 25 on one of the electrical sockets 2 are connected with the airbag and the electric control element of the massager main body 31 respectively, and the second trachea and the second circuit board 25 of the other electrical socket 2 are connected with the controller respectively. 32 gas source and control circuit conduction. In this way, the conduction of the massager main body 31 , the controller 32 and the conduit 33 is realized through the above-mentioned two pairs of matched electrical plugs 1 and electrical sockets 2 .

Since the above-mentioned electrical plug 1 and electrical socket 2 adopt the principle of magnetic attraction, the insertion and extraction between the conduit 33 and the massager main body 31 or the controller 32 are more convenient. Simultaneously, because adopt joint to communicate between conduit 33 and electric plug 1, so also more convenient to insert and pull between conduit 33 and electric plug 1, when conduit 33 is damaged, it can be replaced more conveniently, another new The conduit is connected to the electrical plug 1 and gets final product.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention. Inside.

Claims (8)

1. An electrical plug, comprising a housing provided with a first air pipe and a first wire hole, characterized in that: a first circuit board is provided on the outside of the bottom wall of the housing, and the first circuit board and the penetrating The wires in the first wire hole are connected, the first circuit board is provided with a pin hole, and a first magnetic element is also provided outside the bottom wall of the housing; the first air pipe has a first The port protrudes from the side wall of the housing, the second port of the first air pipe passes through the bottom wall of the housing, and the first circuit board has a central hole communicating with the second port, so A groove is provided on the bottom wall of the casing corresponding to the center hole, and a gasket is placed in the groove, and the gasket has an air hole communicating with the second port. 2. The electrical plug according to claim 1, wherein the sealing gasket has an annular step, and the annular step separates the sealing gasket to form a first section and a second section, and the size of the first section is greater than the second section, the first section is placed in the groove, the second section protrudes from the central hole of the first circuit board and the protruding end surface is flat with the outer plane of the first circuit board together. 3. The electrical plug according to claim 1 or 2, characterized in that: a first slot is provided on the bottom wall of the housing and surrounds the first circuit board, and the first magnetic element is arranged on the inside the first card slot. 4. The electrical plug according to claim 1, characterized in that: the first wire hole is arranged on the side of the first port, and is located on the same level as the first port, and the housing The bottom wall is also provided with a third wire hole which passes through the bottom wall and can accommodate the wire passing through the first wire hole. 5. An electrical socket, comprising a base provided with a second air pipe and a second wire hole, characterized in that: the base is provided with a second circuit board, and a pin is inserted in the second wire hole, so One end of the pin is in electrical contact with the second circuit board, the base is also provided with a second magnetic element; The center of the seat passes through the through hole of the base, and there are multiple second wire holes, which are evenly distributed on the fixed seat. 6 . The electrical socket according to claim 5 , wherein a second slot is formed on the base and surrounds the fixing seat, and the second magnetic element is disposed in the second slot. 7 . 7. The electrical socket according to claim 5 or 6, wherein the pins include a needle cylinder and needles protruding from both ends of the cylinder, and the needle cylinder is also provided with the A spring with two needles in contact. 8. A massager, comprising a massager main body and a controller, the massager main body and the controller are connected by a conduit, the conduit has an air guide hole and a wire hole, it is characterized in that: the two ends of the conduit are respectively provided with The electrical plug according to any one of claims 1 to 4, the main body of the massager and the controller are respectively provided with the electrical sockets according to any one of claims 5 to 7 which are plugged into the electrical plug .

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