CN210838174U - Plug bush assembly and socket - Google Patents

Plug bush assembly and socket Download PDF

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Publication number
CN210838174U
CN210838174U CN201921861538.6U CN201921861538U CN210838174U CN 210838174 U CN210838174 U CN 210838174U CN 201921861538 U CN201921861538 U CN 201921861538U CN 210838174 U CN210838174 U CN 210838174U
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China
Prior art keywords
plug
poles
pole
earth
plug bush
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CN201921861538.6U
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Chinese (zh)
Inventor
彭秀然
张帅
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Ningbo Gongniu Electric Appliances Co Ltd
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Ningbo Gongniu Electric Appliances Co Ltd
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Priority to CN201921861538.6U priority Critical patent/CN210838174U/en
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Abstract

The utility model is suitable for a socket technical field provides a plug bush subassembly and socket, and the plug bush subassembly includes: connecting portion, with connecting portion integrated into one piece and with the two poles of the earth plug adapter that has the two poles of the earth plug adaptation of flat bolt, with connecting portion integrated into one piece's tripolar plug bush, two poles of the earth plug bushes include: a fixing part connected with the connecting part; the elastic arm is formed by bending and extending the fixing part; the clamping part extends from the elastic arm and is arranged opposite to the fixing part at intervals, and the clamping part and the fixing part form a pulling and inserting channel matched with the flat bolt at intervals. The utility model discloses a plug bush subassembly through set two poles of the earth plug bush to only with the two poles of the earth plug looks adaptation of flat bolt, cancelled two poles of the earth plug bush to the compatibility of the two poles of the earth plug of circular bolt, make two poles of the earth plug bush adapt the two poles of the earth plug of flat bolt better, contact reliable and stable when guaranteeing that the two poles of the earth plug of flat bolt and two poles of the earth plug bush peg graft, promoted the user and used experience, and reduced the processing degree of difficulty and the processing cost of two poles of the earth plug bush.

Description

Plug bush assembly and socket
Technical Field
The utility model relates to a socket technical field, concretely relates to plug bush subassembly and socket.
Background
The socket is one of the electrical equipment that people are essential in daily life, and the power consumption safety of socket also is the problem of people's very concern in the use. At present, in order to adapt to two-pole plugs of flat plugs in China and two-pole plugs of round plugs adapted to imported electrical appliances, two-pole jacks of the socket are usually arranged into flat holes and round holes, and corresponding two-pole plug bushes are also correspondingly arranged into flat holes and round holes.
In the prior art, two-pole plug bushes of a socket need to be compatible with two-pole plugs of a flat plug and two-pole plugs of a round plug, when the two-pole plugs of the flat plug are inserted into the two-pole plug bushes, the two-pole plug bushes cannot completely clamp the plugs of the two-pole plugs, so that the plugs of the two-pole plugs are not stably contacted with the two-pole plug bushes, the plugs of the two-pole plugs are poor in electric connection stability with the two-pole plug bushes, normal use of electric equipment is affected, and use experience of a user is poor; moreover, because the two-pole plug bush of the socket needs the two-pole plug compatible with the flat plug pin and the round plug pin, the two-pole plug bush structure is complex, and therefore the two-pole plug bush is difficult to process and high in processing cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a plug bush subassembly, the two poles of the earth plug bush that aims at solving prior art's socket is because the two poles of the earth plug that needs compatible flat bolt and circular bolt, and contact stability is poor when having the two poles of the earth plug of flat bolt and two poles of the earth plug bush to peg graft, and the user uses and experiences poorly, and two poles of the earth plug bush structures are complicated, lead to the problem that processing difficulty and processing cost are high.
The utility model discloses a realize like this, a plug bush subassembly, including connecting portion, with connecting portion integrated into one piece and with the two poles of the earth plug adaptation that has flat bolt two poles of the earth plug and with connecting portion integrated into one piece and with the tripolar plug bush of tripolar plug adaptation, two poles of the earth plug bush include:
a fixing portion connected to the connecting portion;
the elastic arm is formed by bending and extending the fixing part; and
the elastic arm extends and the clamping part is arranged at an interval relative to the fixing part, the clamping part and the fixing part form a pulling and inserting channel matched with the flat plug pin at intervals, the plug pin of the two-pole plug is inserted into the pulling and inserting channel, and the plug pin of the two-pole plug is elastically clamped between the clamping part and the fixing part.
Preferably, the clamping portion is recessed towards one side of the fixing portion to form a first guide portion in a spherical surface, and the plug pin of the two-pole plug is inserted between the clamping portion and the fixing portion along the first guide portion.
Preferably, the top of the fixing part is turned outwards to form a second guide part, and the plug pin of the two-pole plug is inserted between the clamping part and the fixing part along the first guide part and the second guide part simultaneously.
Preferably, the elastic arm is provided with an elastic force adjusting structure for adjusting the elastic force of the elastic arm, and the elastic force adjusting structure is a notch or a through hole formed in the elastic arm.
Preferably, the clamping portion and the fixing portion are respectively provided with a clamping force adjusting structure for adjusting a clamping force between the clamping portion and the fixing portion, and the clamping force adjusting structure is a notch or a through hole formed in the clamping portion and the fixing portion.
Preferably, the plug bush assembly further comprises a wiring portion integrally formed with the connecting portion and used for mounting a wiring terminal, and the wiring terminal is mounted on and electrically connected to the wiring portion.
Preferably, the wire connecting portion includes a positioning portion connected to the connecting portion and a wire pressing portion formed by bending and extending the positioning portion, the wire pressing portion penetrates into a wire connecting hole of the wire connecting terminal, and one end of an electric wire is inserted into the wire connecting hole of the wire connecting terminal and clamped between a wire connecting screw and the wire pressing portion.
Preferably, a connection guiding part is arranged at the joint of the wire pressing part and the positioning part, the connection guiding part is positioned at the inlet position of the connection hole, and the electric wire is inserted into the connection hole along the connection guiding part.
Preferably, connecting portion are a style of calligraphy, two poles of the earth plug bushes with the tripolar plug bush connect respectively in the both ends of connecting portion, two poles of the earth plug bushes with the tripolar plug bush is located after expanding same one side of connecting portion.
The utility model also provides a socket, including foretell plug bush subassembly.
The utility model provides a plug bush subassembly is through setting two pole plug bushes into with the two pole plug looks adaptation that has flat bolt, cancel two pole plug bushes to the compatibility of the two pole plug of circular bolt, the clamping part of two pole plug bushes and fixed part interval form with the pull out of flat bolt adaptation insert the passageway, make clamping part and fixed part adaptation flat bolt better, ensure that clamping part and fixed part respectively with the flat bolt of two pole plug closely contact, make two pole plug bushes grip the flat bolt of two pole plug completely, avoid two pole plug and two pole plug bushes pine to take off, it is reliable and stable with two pole plug bushes contact when guaranteeing two pole plug to insert two pole plug bushes, make two pole plug and two pole plug bushes electric connection stability of flat bolt good, ensure the normal use of consumer, effectively promoted user's use experience; meanwhile, the two-pole plug bush cancels the compatibility of the two-pole plug of the round bolt, so that the structure of the two-pole plug bush can be simplified, the structure of the two-pole plug bush is simple, and the two-pole plug bush is simple to process and low in processing cost. Through setting up two poles of the earth plug bushes and tripolar plug bush integrated into one piece, can realize the simultaneous processing and the installation of two poles of the earth plug bushes and tripolar plug bush to the production efficiency of socket has been improved greatly.
Drawings
Fig. 1 is a perspective structural view of a plug bush assembly according to a first embodiment of the present invention;
fig. 2 is another perspective structural view of the plug bush assembly according to the first embodiment of the present invention;
fig. 3 is a perspective structural view of the plug bush assembly and the connection terminal when assembled according to the first embodiment of the present invention;
fig. 4 is a schematic structural view illustrating an assembly of a plug bush assembly and a connection terminal according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view illustrating a connection between a plug bush assembly and a connection terminal and a wire according to an embodiment of the present invention;
fig. 6 is a perspective structural view of a plug bush assembly provided in the second embodiment of the present invention;
fig. 7 is another perspective structural view of the plug bush assembly according to the second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The plug bush component provided by the embodiment of the utility model cancels the compatibility of the two-pole plug bush to the two-pole plug with the circular plug pin by setting the two-pole plug bush to be matched with the two-pole plug with the flat plug pin, and the clamping part and the fixed part of the two-pole plug bush are separated to form a plugging and unplugging channel matched with the flat plug pin, so that the two-pole plug bush is better matched with the flat plug pin, the flat plug pin of the two-pole plug pin is completely clamped by the two-pole plug bush, the two-pole plug and the two-pole plug bush are prevented from loosening, the two-pole plug with the flat plug pin is ensured to be stably and reliably contacted with the two-pole plug bush when being inserted into the two-pole plug bush, the two-pole plug and the two-pole; meanwhile, the two-pole plug bush cancels the compatibility of the two-pole plug of the round bolt, so that the structure of the two-pole plug bush can be simplified, the structure of the two-pole plug bush is simple, and the two-pole plug bush is simple to process and low in processing cost.
Example one
Referring to fig. 1-2, the present invention provides a plug bush assembly 10, which includes a connecting portion 1, a two-pole plug bush 2 integrally formed with the connecting portion 1 and adapted to a two-pole plug with a flat plug, and a three-pole plug bush 3 integrally formed with the connecting portion 1 and adapted to a three-pole plug.
The two-pole plug bush 2 includes: a fixing portion 21 connected to the connecting portion 1; an elastic arm 22 formed by bending and extending the fixing portion 21; and the clamping part 23 is extended by the elastic arm 22 and is arranged opposite to the fixing part 21 at an interval, the clamping part 23 and the fixing part 21 form a plug-in channel 25 matched with the flat plug pin at an interval, and when the plug pin of the two-pole plug is inserted into the plug-in channel 25, the plug pin of the two-pole plug is elastically clamped between the clamping part 23 and the fixing part 21.
The embodiment of the utility model provides an in, plug bush subassembly 10 is through setting two poles of the earth plug bush 2 to and have the two poles of the earth plug looks adaptation of flat bolt, relative interval sets up between clamping part 23 and the fixed part 21 of two poles of the earth plug bush 2 and forms and the passageway 25 is inserted in pulling out of flat bolt adaptation for two poles of the earth plug bush 2 only with have the two poles of the earth plug looks adaptation of flat bolt, 2 compatibility to the two poles of the earth plug of circular bolt of two poles of the earth plug bush have been cancelled, two poles of the earth plug bush 2 can adapt to the two poles of the earth plug of taking the flat bolt better, the adaptation performance of two poles of the earth plug bush 2 to the two poles of the earth. When the two-pole plug with the flat plug pin is inserted into the two-pole plug bush 2, the two-pole plug bush 2 completely clamps the plug pin of the two-pole plug pin, so that the two-pole plug pin is prevented from being separated from the two-pole plug bush 2, the two-pole plug pin with the flat plug pin is ensured to be stably and reliably contacted with the two-pole plug bush 2 when being inserted into the two-pole plug bush 2, the plug pin of the two-pole plug pin is enabled to be electrically connected with the two-pole plug bush 2 with good stability; the two-pole plug bush 2 is only matched with the two-pole plug of the flat plug pin, so that the compatibility of the two-pole plug bush 2 with the two-pole plug of the round plug pin is eliminated, the two-pole plug bush 2 is regular in shape after being unfolded, the utilization rate of a copper bar material for manufacturing the two-pole plug bush 2 is improved, and social resources are saved. Meanwhile, the two-pole plug bush 2 cancels the compatibility of two-pole plugs of a round bolt, and can simplify the structure of the two-pole plug bush 2, so that the two-pole plug bush has simple structure, and the two-pole plug bush 2 is simple to process and has low processing cost.
The embodiment of the utility model provides an in, two poles of the earth plug bushes 2 are the same with three pole plug bush 3 structures, the processing of this plug bush subassembly 10 of being convenient for, and two poles of the earth plug bushes 2 and three pole plug bush 3 all wholly are "R" form. The three-pole socket 3 also comprises: a fixing portion 21 connected to the connecting portion 1; an elastic arm 22 formed by bending and extending the fixing portion 21; and a clamping part 23 which is extended by the elastic arm 22 and is arranged opposite to the fixing part 21 at an interval, wherein the clamping part 23 and the fixing part 21 at an interval form a pulling and inserting channel 25 matched with the flat plug pin. When the plug of the three-pole plug is inserted into the plug passage 25, the plug of the three-pole plug is elastically held between the holding portion 23 and the fixing portion 21.
The embodiment of the utility model provides an in, through all setting two poles of the earth plug bushes 2 and three poles plug bushes 3 to include the fixed part 21 of being connected with connecting portion 1, buckle the elastic arm 22 that extends the formation by fixed part 21, and the clamping part 23 that extends by elastic arm 22, the bolt of two poles of the earth plug and the bolt elasticity centre gripping of three poles of the earth plug are between clamping part 23 and fixed part 21, make the bolt and the 2 in close contact with of two poles of the earth plug bushes of two poles of the earth plug, the bolt and the 3 in close contact with of three poles of the earth plug bushes of three poles of the earth plug, the bolt and the two poles of the earth plug bushes 2 that make two poles of the earth plug keep stable electric contact.
Specifically, when the two-pole insert sleeve 2 and the three-pole insert sleeve 3 are inserted into a plug without a plug, the clamping portion 23 and the fixing portion 21 both maintain a natural state, and the distance between the clamping portion 23 and the fixing portion 21 is smaller than the thickness of the plug corresponding to the plug.
When the bolt of two poles of the earth plug inserts two poles of the earth plug bushes 2, the bolt of two poles of the earth plug inserts the passageway 25 of inserting of pulling out between clamping part 23 and the fixed part 21 of two poles of the earth plug bushes 2, make clamping part 23 open to keeping away from fixed part 21 direction, insert completely between clamping part 23 and the fixed part 21 up to the bolt of two poles of the earth plug, under the elastic force effect of elastic arm 22, the bolt of two poles of the earth plug is by the complete centre gripping between clamping part 23 and fixed part 21, make the bolt of two poles of the earth plug closely contact with clamping part 23 and fixed part 21 respectively, prevent that the bolt of two poles of the earth plug and two poles of the earth plug bushes 2 pine from taking off, and also guarantee the bolt of two.
When the bolt of tripolar plug inserts tripolar plug bush 3, the bolt of tripolar plug inserts the passageway 25 of inserting of pulling out between clamping part 23 and the fixed part 21 of tripolar plug bush 3, make clamping part 23 open to keeping away from fixed part 21 direction, insert completely between clamping part 23 and the fixed part 21 up to the bolt of tripolar plug, under the spring action of elastic arm 22, the bolt of tripolar plug is by complete centre gripping between clamping part 23 and fixed part 21, make the bolt of tripolar plug respectively with clamping part 23 and fixed part 21 in close contact with, prevent that the bolt of tripolar plug and tripolar plug bush 3 pine from taking off, and also guarantee the bolt of tripolar plug and the good electric contact stability of tripolar plug bush 3.
The embodiment of the utility model provides an in, through with two poles of the earth plug bush 2 and three poles of the earth plug bush 3 integrated into one piece, can realize the simultaneous processing and the installation of two poles of the earth plug bush 2 and three poles of the earth plug bush 3, consequently improved two poles of the earth plug bush 2 and three poles of the earth plug bush 3's processing and installation effectiveness greatly, be favorable to improving the production efficiency of socket.
As an embodiment of the utility model, connecting portion 1 is a style of calligraphy, and two poles of the earth plug bushes 2 and three pole plug bushes 3 are connected respectively in connecting portion 1's both ends, lie in same one side of connecting portion 1 after two poles of the earth plug bushes 2 and three pole plug bushes 3 expand for improve raw and other materials utilization ratio greatly, practice thrift social.
As an embodiment of the present invention, the holding portion 23 is recessed toward one side of the fixing portion 21 to form a first guiding portion 231 having a spherical surface, and the plug of the two-pole plug is inserted between the holding portion 23 and the fixing portion 21 along the first guiding portion 231. Through setting up the first guide part 231 that is the sphere, the bolt of two poles of the earth plug can be followed the not equidirectional insertion clamping part 23 that is the first guide part 231 of sphere and between the fixed part 21, and the direction is effectual, and the bolt of the two poles of the earth plug of being convenient for inserts two poles of the earth plug bushes 2 smoothly, has promoted user's use and has experienced. Likewise, the plug of the three-pole plug is inserted between the holding portion 23 and the fixing portion 21 of the three-pole insert 3 along the first guide portion 231, facilitating smooth insertion of the plug of the three-pole plug into the three-pole insert 3.
As an embodiment of the present invention, the top of the fixing portion 21 is turned outwards to form the second guide portion 211, and the plug of the two-pole plug is inserted between the holding portion 23 and the fixing portion 21 along the first guide portion 231 and the second guide portion 211 at the same time. Wherein, second guide part 211 is equipped with arc surface or inclined plane, and the bolt of the plug of two poles of the earth or the bolt of tripolar plug and the cooperation of arc surface or inclined plane on the second guide part 211 to make the bolt of the plug of two poles of the earth insert two poles of the earth plug 2 smoothly, make the bolt of tripolar plug insert tripolar plug 3 smoothly, promoted user's use and experienced.
In this embodiment, the two-pole plug bush 2 and the three-pole plug bush 3 have the same shape, and the elastic arm 22 is arc-shaped, so that the elastic arm 22 has good elastic deformation performance.
As an embodiment of the present invention, the elastic arm 22 is provided with an elastic force adjusting structure 221 for adjusting the elastic force of the elastic arm 22, and the elastic force adjusting structure 221 is a notch or a through hole opened on the elastic arm 22. Wherein, the quantity of notch or through-hole can set up according to actual need. Through set up notch or through-hole that a plurality of is used for adjusting elastic arm 22 elasticity at elastic arm 22, be convenient for adjust elastic arm 22's elasticity to adjust the centre gripping dynamics between clamping part 23 and the fixed part 21, ensure that the bolt of two poles of the earth plug or the bolt of three poles of the earth plug stabilize the centre gripping between clamping part 23 and fixed part 21, guarantee good electric contact stability can.
Referring to fig. 3 to 5, as an embodiment of the present invention, the plug bush assembly 10 further includes a connection portion 24 integrally formed with the connection portion 1 and used for mounting the connection terminal 20, and the connection terminal 20 is mounted on the connection portion 24 and electrically connected to the connection portion 24. Through setting up the wiring portion 24 with connecting portion 1 integrated into one piece, conveniently install binding post 20 on plug bush subassembly 10 to realize binding post 20 and the electric connection of plug bush subassembly 10.
As an embodiment of the present invention, the wire connecting portion 24 includes a positioning portion 241 connected to the connecting portion 1 and a wire pressing portion 242 formed by bending and extending the positioning portion 241, the wire pressing portion 242 penetrates into the wire connecting hole 201 of the wire connecting terminal 20, and one end of the electric wire 40 is inserted into the wire connecting hole 201 of the wire connecting terminal 20 and clamped between the wire connecting screw 30 and the wire pressing portion 242. The wire pressing portion 242 penetrates into the wire connecting hole 201 of the wire connecting terminal 20, and the wire connecting terminal 20 is supported on the positioning portion 241, so that the wire connecting terminal 20 is positioned.
As an embodiment of the utility model, binding post 20 is equipped with the relative stop line portion 202 with wiring hole 201, inserts in binding post 20's wiring hole 201 when electric wire 40, and the one end up to electric wire 40 is blockked by binding post 20's stop line portion 202, makes electric wire 40 can not deepen any more, and the electric wire inserts to target in place promptly, convenience of customers wiring.
In this embodiment, the terminal 20 is configured such that, when connecting, the electric wire 40 with the insulation removed therefrom is inserted into the connection hole 201 of the terminal 20 until the electric wire 40 is blocked by the wire blocking portion 202 of the terminal 20 and cannot be further inserted, and then the screw is rotated by a tool like a screwdriver until the tail portion of the terminal screw 30 contacts the insulation removed portion of the wire 40 and the terminal screw cannot be rotated any more. At this time, the portion of the electric wire 40, the insulation of which is removed, is sandwiched between the crimping portion 242 and the binding screw 30, and the electric connection of the lead wire 40, the connection terminal 20 and the socket assembly 10 is achieved, thereby supplying power to the two-pole socket 2 and the three-pole socket 3.
As an embodiment of the present invention, the junction between the wire pressing portion 242 and the positioning portion 241 is provided with a wire guiding portion 243, the wire guiding portion 243 is located at the inlet position of the wire connecting hole 201, and the electric wire 40 is inserted into the wire connecting hole 201 of the wire connecting terminal 20 along the wire guiding portion 243. By providing the wire guiding portion 243 at the connection position of the wire pressing portion 242 and the positioning portion 241, the wire 40 is inserted into the wire connecting hole 201 of the wire connecting terminal 20 along the wire guiding portion 243, so that the wire can be smoothly inserted into the wire connecting hole 201 of the wire connecting terminal 20, and the wire connection between the wire and the wire connecting terminal is facilitated.
As an embodiment of the present invention, the wire guiding portion 243 is an arc surface or an inclined surface. Preferably, the wire guide 243 is an arc surface, and the arc surface formed by bending the crimping portion 242 and the positioning portion 241 is skillfully used as the wire guide, so that the processing is simple and convenient.
The embodiment of the utility model provides a plug bush subassembly through set the two poles of the earth plug bush into with the two poles of the earth plug looks adaptation that has flat bolt, cancelled the two poles of the earth plug bush to the two poles of the earth plug bush compatibility of circular bolt, the clamping part of two poles of the earth plug bush forms with the fixed part interval with the pull-plug passageway of flat bolt adaptation, make clamping part and fixed part adaptation flat bolt better, ensure that clamping part and fixed part respectively with the bolt of flat two poles of the earth plug closely contact, make the two poles of the earth plug bush centre gripping flat two poles of the earth plug's bolt completely, avoid two poles of the earth plug bush pine to take off with two poles of the earth plug bush, when guaranteeing flat two poles of the earth plug's bolt to insert two poles of the earth plug bush contact with two poles of the earth plug bush reliable and stable, make the bolt of two; meanwhile, the two-pole plug bush cancels the compatibility of two-pole plugs of the round plug pin, the structure of the two-pole plug bush can be simplified, and the structure of the two-pole plug bush is simple, so that the two-pole plug bush is simple to process and low in processing cost. Through setting up two poles of the earth plug bushes and tripolar plug bush integrated into one piece, can realize the simultaneous processing and the installation of two poles of the earth plug bushes and tripolar plug bush to the production efficiency of socket has been improved greatly.
Example two
Referring to fig. 6 to 7, the difference between the present embodiment and the first embodiment is the structure of the two-pole plug bush 2. In this embodiment, the elastic arm 22 of the two-pole plug bush 2 is U-shaped, and the fixing portion 21 and the clamping portion 23 have the same shape, so as to facilitate the processing of the two-pole plug bush 2.
In this embodiment, the first guide portion 231 and the second guide portion 211 have the same structure, and are both arc surfaces or inclined surfaces.
In this embodiment, the clamping portion 23 and the fixing portion 21 are respectively provided with a clamping force adjusting structure 26 for adjusting the clamping force between the clamping portion 23 and the fixing portion 21, and the clamping force adjusting structure 26 is a notch or a through hole opened on the clamping portion 23 and the fixing portion 21. Through set up notch or through-hole on clamping part 23 and fixed part 21 respectively, be convenient for adjust the elasticity of clamping part 23 and fixed part 21, ensure that the bolt of two poles of the earth plug is stable centre gripping between clamping part 23 and fixed part 21, guarantee good electrical contact stability.
In this embodiment, a notch or a through hole may be further formed on the elastic arm 22 to further facilitate adjusting the elastic force of the elastic arm 22, so as to further improve the clamping force between the clamping portion 23 and the fixing portion 21, and ensure that the plug pin of the two-pole plug is stably clamped between the clamping portion 23 and the fixing portion 21.
EXAMPLE III
With combined reference to fig. 1-7, the present invention further provides a socket including the insert sleeve assembly 10 of the first or second embodiment. The socket is through setting up above-mentioned plug bush subassembly 10, and two poles of the earth plug bushes 2 have cancelled the compatibility to the two poles of the earth plug of circular bolt for the flat bolt of two poles of the earth plug bushes 2 centre gripping two poles of the earth plug bushes completely avoids two poles of the earth plug and two poles of the earth plug bushes 2 pine to take off, and the two poles of the earth plug of guaranteeing to take the flat bolt is stable and reliable with the contact of two poles of the earth plug bushes 2 when inserting two poles of the earth plug bushes 2, makes the two poles of the earth plug and the two poles of the earth plug bushes 2 electricity of flat. Meanwhile, the two-pole plug bush 2 cancels the compatibility of two-pole plugs of a round plug pin, so that the structure of the two-pole plug bush 2 can be simplified, the structure of the two-pole plug bush 2 is simple, the two-pole plug bush 2 is easy to process, the processing cost is low, and the production cost of the socket is reduced.
Wherein the socket comprises at least two plug bush assemblies 10 and at least one earth pole plug bush (not shown), wherein one plug bush assembly 10 is connected with the live wire, the other plug bush assembly 10 is connected with the neutral wire, and the earth pole plug bush is connected with the earth wire. The two-pole plug bushes 2 on the two plug bush assemblies 10 form an L-pole plug bush and an N-pole plug bush which correspond to the two-pole jack, and the two three-pole plug bushes 3 on the two plug bush assemblies 10 form an L-pole plug bush and an N-pole plug bush which correspond to the three-pole jack. Two bolts of two poles of the earth plug correspond and peg graft with two poles of the earth plug bushes 2, realize the power consumption of two poles of the earth plug, and three bolts of tripolar plug correspond and peg graft with two tripolar plug bushes 3 and earth plug bushes, realize the power consumption of tripolar plug.
The plug bush component of the socket provided by the embodiment of the utility model cancels the compatibility of the two-pole plug bush to the two-pole plug with the flat plug pin by setting the two-pole plug bush to be matched with the two-pole plug with the flat plug pin, and the clamping part and the fixed part of the two-pole plug bush are separated to form a plugging and unplugging channel matched with the flat plug pin, so that the two-pole plug bush is better matched with the flat plug pin, the flat plug pin of the two-pole plug pin is completely clamped by the two-pole plug bush, the two-pole plug and the two-pole plug bush are prevented from loosening, the two-pole plug with the flat plug pin is ensured to be stably and reliably contacted with the two-pole plug bush when being inserted into the two-pole plug bush, the two-pole plug and the two-; meanwhile, the two-pole plug bush cancels the compatibility of two-pole plugs of the round plug pin, the structure of the two-pole plug bush can be simplified, and the structure of the two-pole plug bush is simple, so that the two-pole plug bush is simple to process and low in processing cost.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a plug bush subassembly, its characterized in that, including connecting portion, with connecting portion integrated into one piece and with the two poles of the earth plug adapter that has flat bolt and with connecting portion integrated into one piece and with the tripolar plug bush of tripolar plug adapter, the two poles of the earth plug bush includes:
a fixing portion connected to the connecting portion;
the elastic arm is formed by bending and extending the fixing part; and
the elastic arm extends and the clamping part is arranged at an interval relative to the fixing part, the clamping part and the fixing part form a pulling and inserting channel matched with the flat plug pin at intervals, the plug pin of the two-pole plug is inserted into the pulling and inserting channel, and the plug pin of the two-pole plug is elastically clamped between the clamping part and the fixing part.
2. The sleeve assembly of claim 1 wherein said clamping portion is recessed to one side of said securing portion to form a first guide portion in the form of a spherical surface along which the pin of said two-pole plug is inserted between said clamping portion and said securing portion.
3. The sleeve assembly of claim 2 wherein said fixed portion is turned inside out to form a second guide, said pin of said two-pole plug being inserted between said clamping portion and said fixed portion simultaneously along said first guide and said second guide.
4. The insert assembly according to claim 1, wherein the elastic arm is provided with an elastic force adjusting structure for adjusting the elastic force of the elastic arm, and the elastic force adjusting structure is a notch or a through hole opened on the elastic arm.
5. The insert assembly of claim 1, wherein the clamping portion and the fixing portion are respectively provided with a clamping force adjusting structure for adjusting a clamping force between the clamping portion and the fixing portion, the clamping force adjusting structure being a notch or a through hole opened on the clamping portion and the fixing portion.
6. The sleeve assembly of claim 1 further including a wire connecting portion integrally formed with the connecting portion for mounting a wire connecting terminal mounted on and electrically connected to the wire connecting portion.
7. The socket assembly according to claim 6, wherein the wire connecting portion includes a positioning portion connected to the connecting portion, and a wire pressing portion formed by bending and extending the positioning portion, the wire pressing portion penetrates into a wire connecting hole of the wire connecting terminal, and one end of an electric wire is inserted into the wire connecting hole of the wire connecting terminal and clamped between a wire connecting screw and the wire pressing portion.
8. The socket assembly according to claim 7, wherein a connection guide portion is provided at a connection portion of the crimping portion and the positioning portion, the connection guide portion being located at an entrance position of the connection hole, the electric wire being inserted into the connection hole along the connection guide portion.
9. The insert sleeve assembly according to claim 1, wherein the connecting portion is in a straight shape, the two-pole insert sleeve and the three-pole insert sleeve are respectively connected to two ends of the connecting portion, and the two-pole insert sleeve and the three-pole insert sleeve are located on the same side of the connecting portion after being unfolded.
10. A socket comprising the sleeve assembly of any one of claims 1-9.
CN201921861538.6U 2019-10-31 2019-10-31 Plug bush assembly and socket Active CN210838174U (en)

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CN201921861538.6U CN210838174U (en) 2019-10-31 2019-10-31 Plug bush assembly and socket

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Application Number Priority Date Filing Date Title
CN201921861538.6U CN210838174U (en) 2019-10-31 2019-10-31 Plug bush assembly and socket

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Publication Number Publication Date
CN210838174U true CN210838174U (en) 2020-06-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112217058A (en) * 2020-10-13 2021-01-12 宁波公牛电器有限公司 Plug bush and socket
CN112290267A (en) * 2020-10-26 2021-01-29 宁波公牛电器有限公司 Plug bush assembly and socket

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112217058A (en) * 2020-10-13 2021-01-12 宁波公牛电器有限公司 Plug bush and socket
CN112290267A (en) * 2020-10-26 2021-01-29 宁波公牛电器有限公司 Plug bush assembly and socket
CN112290267B (en) * 2020-10-26 2022-10-04 宁波公牛电器有限公司 Plug bush assembly and socket

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