CN109167227B

CN109167227B - Socket with improved structure

Info

Publication number: CN109167227B
Application number: CN201811025296.7A
Authority: CN
Inventors: 卢震宇; 於宏战; 李东东
Original assignee: ZHEJIANG ERA ELECTRICAL APPLIANCE CO Ltd
Current assignee: Ad Electric Appliances Zhejiang Co ltd
Priority date: 2018-09-04
Filing date: 2018-09-04
Publication date: 2020-11-13
Anticipated expiration: 2038-09-04
Also published as: CN109167227A

Abstract

The invention provides a socket, and belongs to the technical field of power sockets. The socket solves the problems that the plug bush stability is poor and the contact between the plug and the plug bush is poor when the existing socket is used. This socket, install including back seat, embedding in plug bush and lid on the back seat are located clamp plate on the plug bush, the plug bush has two relative supporting pieces that set up, each the supporting piece is including being located the clamping part that the inner is flat grafting portion and is located the outer end, lie in each on the back seat the lateral surface of grafting portion all is provided with the confession the limiting plate that grafting portion supported and lean on, its characterized in that, at least one protruding muscle has on the limiting plate, the lateral surface and the protruding muscle of grafting portion offset and lean on, be provided with on the clamp plate and restrict the holding part of the outer range that expands of clamping part. The plug bush improves the stability of the plug bush during use and simultaneously ensures good contact between the plug and the plug bush.

Description

Socket with improved structure

Technical Field

The invention belongs to the technical field of power sockets, and particularly relates to a socket.

Background

The socket is an electrical appliance accessory essential to daily life of people, and the existing socket generally comprises a panel, a pressing plate, a plug bush and a rear seat. When the socket is normally used, the plugging and unplugging times can reach more than 5000 times, however, along with the popularization and diversified development of electrical appliances, the abnormal use of the socket often appears, for example, when a mobile phone charger or electric blowing is used, the plug of the electrical appliances is plugged in the socket, but the electrical appliances are moved for use, the electrical appliances lead to the electric wires to drive the plug to shake on the socket, or when the plug is plugged, the plug is easy to incline, the plug sleeves are easy to generate fatigue deformation, the elastic restoring force is reduced, the phenomenon that the plug is easy to loosen when the plug is plugged in the socket is caused, namely, the contact between the plug and the plug sleeves is poor when the plug is used, the plug sleeves are caused to generate heat and even burn out, and the potential.

In order to solve the problem, a chinese patent (application No. 201710250417.7) proposes an anti-loose and anti-deformation durable socket, which comprises a socket panel, a rear seat, a plug bush and a safety door, wherein the plug bush is embedded in the rear seat, and the panel is connected with the safety door through an elastic element; the body of the plug bush is relatively provided with a splayed contact, a blocking rib which is integrally formed with the panel is relatively arranged below the jack of the panel, and the blocking rib is pressed and buckled on the body. Through the setting of fender muscle, can effectively reduce the inclination of plug and socket, avoid the kinked moving contact of plug, improve the life of socket.

Although the technical scheme improves the safety performance of the socket to a certain extent, the following defects exist: in order to facilitate the installation of the metal plug bush on the plastic rear seat, the avoiding groove for accommodating the plug bush on the rear seat is large in size, so that when the plug bush is embedded into the rear seat, a gap exists between the plug bush and the groove wall of the avoiding groove, and although the plug bush can be prevented from scraping the rear seat, the plug bush is easy to shake in the horizontal direction, so that the poor contact between the plug bush and the plug is caused.

In the prior art, the avoiding groove with smaller size design is also arranged, so that the plug bush is tightly attached to the groove wall of the avoiding groove when being embedded into the rear seat, the problem that the groove wall is abraded by the plug bush is easy to occur, the plug bush is easy to scratch the groove wall, the groove wall falls into the groove bottom, contact unevenness between the bottom of the plug bush and the rear seat is caused, installation stability is influenced, when the socket is clamped between the groove walls, deformation of the plug bush is concentrated on a contact of the plug bush, elastic restoring force of the contact is easy to reduce, and loosening phenomenon when the plug is inserted into the plug bush is caused.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a socket, which aims to solve the technical problems that: how to improve the steadiness of plug bush when using and guarantee the good contact of plug and plug bush simultaneously.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a socket, includes the back seat, the embedding install in plug bush and the lid on the back seat are located clamp plate on the plug bush, the plug bush has two relative clamping pieces that set up, each the clamping piece is including being located inner and being the clamp part of flat grafting portion and being located the outer end, lie in each on the back seat the lateral surface of grafting portion all is provided with the confession the limiting plate that grafting portion supported and lean on, its characterized in that, at least one protruding muscle has on the limiting plate, the lateral surface of grafting portion offsets with protruding muscle and leans on, be provided with on the clamp plate and restrict the piece that the range was expanded outward to the clamp part.

The limiting plate is provided with the convex rib, and the inserting part of the socket is abutted against the convex rib, so that the inserting part can be prevented from shaking in the avoiding groove, and the stability of the plug bush in use is improved; when the plug bush is embedded and installed in the avoiding groove of the rear seat along the convex rib, the contact area between the plug part and the wall of the avoiding groove is small, and the friction between the plug part and the wall of the groove is favorably reduced; meanwhile, due to the clamping effect of the convex ribs on the inserting part, the inserting part is not easy to deform when the plug is plugged or the socket is used, the stress and the deformation of the plug bush are mainly concentrated on the clamping part, and the clamping part is easily shaken due to the excessive extrusion of the plug, so that an elastic blocking part capable of preventing the outward expansion of the clamping part is arranged on the pressing plate; meanwhile, the blocking piece can also avoid fatigue deformation caused by excessive outward expansion of the clamping part due to inclined insertion of the plug, so that good contact between the plug and the plug bush is ensured.

In the socket, a socket is arranged between the clamping parts of each plug bush, a socket opposite to the socket is arranged on the pressing plate, and the blocking parts are symmetrically arranged on two sides of the socket. Stop the piece and set up in the both sides of jack, not only be favorable to stopping the relative setting of piece and limiting plate, realize stopping the piece and leaning on the limiting plate, be convenient for moreover stop the piece and stop the outer range of expanding of clamping part, the good contact of guarantee plug and plug bush.

In foretell socket, it includes spacing portion, buffering portion and connects to block spacing portion with the intermediate part of buffering portion, spacing portion with buffering portion all perpendicular to the clamp plate, buffering portion is close to the clamping part sets up, the outer end of spacing portion link firmly in on the clamp plate, the inner of spacing portion support by lean on adjacent on the outer terminal surface of limiting plate. The middle part enables the buffer part and the limiting part to form a certain interval so that the buffer part can expand outwards; the buffer part of the blocking piece is arranged close to the clamping part, so that the clamping part can be conveniently abutted to buffer the outward expansion of the clamping part, and the buffer part is perpendicular to the pressing plate, so that the buffer capacity of the blocking piece on the stress of the clamping part can be improved, the elastic restoring force of the clamping part can be ensured, and the good contact between the plug and the plug bush can be ensured; spacing portion upper end links firmly with the clamp plate, and the lower extreme supports to lean on the outer terminal surface in the limiting plate, and when making the clamping part support to move outward together with the buffering portion when buffering portion, spacing difficult emergence is removed, is favorable to improving the steadiness of spacing portion, improves and stops the ability that stops that the piece expands outward to the clamping part.

In the socket, gaps exist between the buffer part and the adjacent clamping parts and between the buffer part and the adjacent limiting parts, and the width of the gap between the buffer part and the adjacent limiting parts is larger than that of the gap between the buffer part and the adjacent clamping parts. The clearance between buffer portion and clamping part, spacing portion is used for supplying the plug to insert the time buffer portion expands along with the clamping part outward, makes to form the elasticity touching between clamping part and the buffer portion, is favorable to the deformation of clamping part and buffer portion to reply, can avoid clamping part and buffer portion rigidity touching to lead to rocking that the clamping part kick-backs and arouse simultaneously, improves the steadiness when the plug bush uses. The width of a gap between the buffer part and the clamping part is small, so that the clamping part can be conveniently abutted against the buffer part, the stress of the clamping part can be buffered, the clamping part is prevented from being excessively expanded or swayed, and the good contact between the plug and the plug bush is ensured; the buffer portion is great with the clearance width between the spacing portion, and the clamping part of being convenient for supports and expands outward along with the buffer portion on the buffer portion, avoids stopping the too big clamping part resilience that arouses of piece resistance and rocks, improves the steadiness when the plug bush uses.

In the above socket, the stopper portion, the buffer portion, and the intermediate portion are each in a straight piece shape. The straight sheet shape has simple structure, is convenient for mold processing and preparation, and is convenient for the supporting of the clamping part and the buffering part.

In the socket, the clamping portion has a bent section for forming the socket, and an inner end of the bent section has an inclined section connected to the inserting portion. The arrangement of the inclined section is beneficial to increasing the connection length between the clamping part and the plug part, so that the stress buffering capacity of the plug bush is improved, the stress of the clamping part is favorably relieved, the elastic recovery of the clamping part is ensured, and the good contact between the plug bush and the plug is ensured; compare simultaneously in prior art the direct contained angle that sets up on grafting portion of clamping part, between clamping part and the grafting portion less, the slope section of this patent all forms great angle with between bending segment, the grafting portion, is favorable to the conduction of power and reduces the atress of bent angle department and concentrates to be favorable to improving the life of plug bush.

In the above socket, the number of the plug bushes is five, five the plug bushes are respectively a dipolar L-pole plug bush, an dipolar N-pole plug bush, a tripolar L-pole plug bush, a tripolar N-pole plug bush and an E-pole plug bush, the E-pole plug bush is provided with a bottom plate, the inner ends of the clamping pieces of the E-pole plug bush are connected through the bottom plate, and the bottom plate is provided with notches. The opening of the bottom plate of the E-pole plug bush is arranged, so that when the E-pole plug bush is inserted into the avoiding groove along the convex rib, the insertion part can contract towards the opening, and the installation convenience of the E-pole plug bush is improved.

In the socket, the convex rib is in a long strip shape, and the inner end and the outer end of the limiting plate are respectively flush with the inner end and the outer end of the convex rib arranged on the limiting plate. With the rectangular form protruding muscle of limiting plate inside and outside end parallel and level, be favorable to improving protruding muscle to the clamping-force of grafting portion depth direction to further improve the steadiness of grafting portion.

In the above socket, the outer end of the rib has an inclined guide surface. The guide surface of the outer end of the convex rib is convenient for the plug bush to be inserted into the avoiding groove, and meanwhile, the damage of the top of the convex rib to the plug bush can be avoided, so that the generation of fragments is avoided, and the stability of the plug bush in use is improved.

Compared with the prior art, the socket has the following advantages:

1. set up protruding muscle on the limiting plate, make the grafting portion of socket support to lean on protruding muscle, can avoid grafting portion to take place to rock in the back seat, steadiness and plug bush installation's convenience when improving the plug bush and using.

2. Set up on the clamp plate and can prevent the piece that stops that the clamping part expands outward, block when the plug inserts and can give the free expansion of clamping part certain range, insert smoothly with the guarantee plug, support when the clamping part supports and leans on blocking the piece, block and the clamping part is outer expand and form the blocking effect outward to the clamping part together, can effectively alleviate the extrusion atress of clamping part, avoid the clamping part to take place to rock, the steadiness when improving the plug bush use, block simultaneously and still can avoid the plug slope to insert the clamping part that leads to and expand the fatigue deformation of excessive production outward, the good contact of guarantee plug and plug bush.

Drawings

FIG. 1 is a top view of an integral junction of an embodiment of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a schematic structural view of a platen according to an embodiment of the present invention.

Fig. 4 is an exploded view of an embodiment of the present invention.

Fig. 5 is a schematic structural view of the insert sleeve of the embodiment of the invention mounted on the rear seat.

Fig. 6 is a schematic structural view of a rear seat according to an embodiment of the present invention.

Fig. 7 is a rear view of a sleeve assembly of an embodiment of the present invention.

FIG. 8 is a front view of a sleeve assembly of an embodiment of the present invention.

In the figure, 1, a rear seat; 11. a limiting plate; 111. a rib is protruded; 112. a guide surface; 2. pressing a plate; 21. a jack; 3. a sleeve assembly; 3a, inserting sleeves; 3b, connecting the sheet; 31. a dipolar L-pole plug bush; 32. a dipolar N-pole plug bush; 33. a tripolar L-pole plug bush; 34. a tripolar N-pole plug bush; 35. e pole plug bush; 351. a base plate; 352. opening the gap; 4. a clamping piece; 41. a plug-in part; 42. a clamping portion; 421. bending the section; 422. an inclined section; 43. a socket; 6. a blocking member; 61. a limiting part; 62. an intermediate portion; 63. a buffer section; 7. a panel.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 4, 7 and 8, the embodiment of the present invention includes a panel 7, a pressing plate 2, a rear seat 1 and a sleeve assembly 3 disposed between the rear seat 1 and the pressing plate 2, wherein the sleeve assembly 3 is embedded in the rear seat 1, and the pressing plate 2 is embedded in an inner end of the panel 7 and covers the sleeve assembly 3. The plug bush assembly 3 includes five plug bushes 3a and a connecting piece 3b for connecting the plug bushes 3a, specifically, the five plug bushes 3a are respectively a dipolar L-pole plug bush 31, an dipolar N-pole plug bush 32, a tripolar L-pole plug bush 33, a tripolar N-pole plug bush 34, and an E-pole plug bush 35, and the dipolar L-pole plug bush 31 and the tripolar L-pole plug bush 33, and the dipolar N-pole plug bush 32 and the tripolar N-pole plug bush 34 are connected by the connecting piece 3 b.

As shown in fig. 4, each insert sleeve 3a has two opposite clamping pieces 4, and each clamping piece 4 includes a flat insertion part 41 at the inner end and a clamping part 42 at the outer end. The holding portion 42 has a bent section 421 for forming the insertion opening 43, and an inner end of the bent section 421 has an inclined section 422 connected to the mating part 41.

The holding portion 42 of each socket 3a has a slot 43 therebetween, and the slot 43 is elongated. The pressure plate 2 has a socket 21 opposite the socket 43.

As shown in fig. 2 and 3, the pressure plate 2 has a blocking member 6 capable of blocking the outward expansion of the holding portion 5, and the blocking member 6 has outward expansion elasticity. Specifically, the blocking member 6 is symmetrically disposed at two sides of the insertion hole 21, the blocking member 6 includes a limiting portion 61, a buffering portion 63, and a middle portion 62 connecting the limiting portion 61 and the buffering portion 63, and the limiting portion 61, the buffering portion 63, and the middle portion 62 are all in a straight sheet shape. Spacing portion 61 and buffering portion 63 are perpendicular to panel 7, and buffering portion 63 is close to clamping part 5 and sets up, and the outer end of spacing portion 61 links firmly on panel 7, and spacing portion 61 is the inner to support and lean on the outer terminal surface of adjacent limiting plate 11, all has the clearance between buffering portion 63 and adjacent clamping part 5, spacing portion 61 to the clearance width between buffering portion 63 and adjacent spacing portion 61 is greater than the clearance width between buffering portion 63 and adjacent clamping part 5.

As shown in fig. 5 and 6, the rear seat 1 is provided with a limiting plate 11 on the outer side surface of each insertion part 41, the insertion parts 41 abut against the limiting plate 11, at least one limiting plate 11 is provided with a rib 111, and the outer side surface of the insertion part 41 abuts against the rib 111. Specifically, two limiting handles 11 arranged on the outer side surface of the insertion part 41 of the E-pole plug bush 35 are respectively provided with a convex rib 111, the limiting plate 11 and the convex rib 111 are integrally formed, the convex rib 111 is long, the inner end and the outer end of the limiting plate 11 are respectively flush with the inner end and the outer end of the convex rib 111 arranged thereon, and the outer end of the convex rib 111 is provided with an inclined guide surface 112. The E-pole insert 35 has a bottom plate 351, the inner ends of the two clamping pieces 4 of the E-pole insert 35 are connected through the bottom plate 351, and the bottom plate 351 is provided with a notch 352.

Preferably, the at least one limiting plate 11 disposed on the outer side of the inserting portion 41 of the two-pole L-pole socket 31 has the protruding rib 111, the at least one limiting plate 11 disposed on the outer side of the inserting portion 41 of the two-pole N-pole socket 32 has the protruding rib 111, the at least one limiting plate 11 disposed on the outer side of the inserting portion 41 of the three-pole L-pole socket 33 has the protruding rib 111, and the at least one limiting plate 11 disposed on the outer side of the inserting portion 41 of the three-pole N-pole socket 34 has the protruding rib 111.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The utility model provides a socket, includes back seat (1), the embedding install in plug bush (3a) and lid on back seat (1) are located clamp plate (2) on plug bush (3a), plug bush (3a) have two relative clamping piece (4) that set up, each clamping piece (4) are including being located inner and being flat grafting portion (41) and being located clamping part (42) of outer end, lie in each on back seat (1) the lateral surface of grafting portion (41) all is provided with the confession limiting plate (11) that grafting portion (41) leaned on, at least one have protruding muscle (111) on limiting plate (11), protruding muscle (111) are rectangular form, the lateral surface and protruding muscle (111) of grafting portion (41) counterbalance lean on, its characterized in that, the inside and outside both ends of limiting plate (11) respectively with set up on it the inside, outside both ends of protruding muscle (111), The two outer ends are parallel and level, and a blocking piece (6) capable of limiting the outward expansion range of the clamping part (42) is arranged on the pressing plate (2).

2. The socket according to claim 1, wherein a socket (43) is arranged between the clamping portions (42) of each plug bush (3a), a socket (21) opposite to the socket (43) is arranged on the pressure plate (2), and the blocking pieces (6) are symmetrically arranged on two sides of the socket (21).

3. The socket according to claim 2, wherein the blocking member (6) comprises a limiting portion (61), a buffering portion (63) and an intermediate portion (62) connecting the limiting portion (61) and the buffering portion (63), the limiting portion (61) and the buffering portion (63) are perpendicular to the pressing plate (2), the buffering portion (63) is arranged close to the clamping portion (42), the outer end of the limiting portion (61) is fixedly connected to the pressing plate (2), and the inner end of the limiting portion (61) abuts against the outer end face of the adjacent limiting plate (11).

4. The socket according to claim 3, wherein a gap exists between the buffer portion (63) and the adjacent clamping portion (42) and between the buffer portion (63) and the adjacent limiting portion (61), and the width of the gap between the buffer portion (63) and the adjacent limiting portion (61) is larger than the width of the gap between the buffer portion (63) and the adjacent clamping portion (42).

5. The socket according to claim 4, wherein the stopper portion (61), the buffer portion (63), and the intermediate portion (62) are each in a straight piece shape.

6. A socket according to claim 2 or 3 or 4 or 5, wherein the clamping portion (42) has a bent section (421) for forming the socket (43), and an inner end of the bent section (421) has an inclined section (422) connected to the mating portion (41).

7. The socket according to claim 1, wherein the number of the plug bushes (3a) is five, the five plug bushes (3a) are respectively a dipolar L-pole plug bush (31), an dipolar N-pole plug bush (32), a tripolar L-pole plug bush (33), a tripolar N-pole plug bush (34) and an E-pole plug bush (35), the E-pole plug bush (35) has a bottom plate (351), inner ends of two clamping pieces (4) of the E-pole plug bush (35) are connected through the bottom plate (351), and a notch (352) is formed in the bottom plate (351).

8. A socket according to claim 1, wherein the outer ends of the ribs (111) have inclined guide surfaces (112).