CN211126368U - Socket inserting spring sheet positioning structure - Google Patents

Abstract

The utility model relates to a grafting shell fragment location structure of socket. The grafting shell fragment location structure of socket includes: the integrated splicing spring piece comprises a jack part and a conductive strip part; the jack part is provided with two positions, the jack part forms an upward plug conductive hole, and the conductive strip part is connected between the two jack parts; the elastic sheet pressing connection seat is arranged above the inserting elastic sheet and is positioned in the socket along the up-down direction; the bottom of the elastic sheet crimping seat is provided with an elastic sheet limiting body, and the elastic sheet limiting body extends downwards to the upper part of the conductive bar part of the integrated splicing elastic sheet so as to limit the upward movement of the integrated splicing elastic sheet. Have the shell fragment crimping seat of fixed position along upper and lower direction, and have the downwardly extending shell fragment spacing body that supports in the busbar part on the shell fragment crimping seat, the shell fragment receives some power and shifts to the shell fragment spacing body when extracting the plug on, avoids the too big solder joint atress of integral type grafting shell fragment and circuit board and leads to the solder joint separation.

Description

Socket inserting spring sheet positioning structure

Technical Field

The utility model relates to a grafting shell fragment location structure of socket.

Background

The plug-in elastic sheet of the socket is also called as a metal insert sheet and a hardware piece, and is used for plug-in and conductive connection. At present, a plug-in elastic sheet on most intelligent sockets adopts a separated structure, for example, for a five-hole socket, five welding points are required to be respectively welded on a circuit board, and separated hardware is electrically connected through pcb wiring. The five-point welding mode has the following defects: 1. the creepage distance space requirement of the circuit board is large, if the reserved creepage distance of each welding spot is about 3-6mm, when the reserved creepage distance is insufficient, other components on the circuit board are easy to contact, the circuit board is short-circuited, and due to multi-spot welding, the production process is relatively complex, and the mass production cost is high. 2. Due to the fact that the five points of the separated hardware are welded on the circuit board, the plug is easy to be subjected to large force in the pulling direction when being pulled out, stress is concentrated on an independent welding point, and plug-in elastic pieces are easy to deform or the welding points are easy to separate.

Chinese patent with publication number CN205985656U discloses an intelligent socket with weak current interface, wherein the inserted elastic pieces of the live wire phase and the zero wire phase all adopt integrated inserted elastic pieces, the integrated inserted elastic pieces comprise a jack part and a bus bar part, the jack part is provided with two parts, which are respectively located at two ends of the bus bar part, and two jacks and three jacks are respectively formed. Each of the jack blades is connected to the circuit board by downwardly extending conductive contact blades. The assembly process of the plug-in elastic piece of the integrated structure is relatively simple, but the problem that the stress of the plug-in elastic piece is large when the plug is pulled out still needs to be considered during use, so that the deformation of the plug-in elastic piece or the separation of welding points is avoided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grafting shell fragment location structure of socket to it is great to solve among the prior art socket grafting shell fragment atress when the plug is extracted, causes the problem that grafting shell fragment warp or solder joint separation.

In order to achieve the above object, the utility model discloses a socket's grafting shell fragment location structure's technical scheme is: the grafting shell fragment location structure of socket includes:

the integrated inserting elastic sheet comprises an inserting hole part and a conductive strip part;

the jack part is provided with two positions, the jack part forms an upward plug conductive hole, and the plug conductive hole is used for plugging and conductively connecting a plug;

a conductive strip section connected between the two jack sections;

further comprising:

the elastic sheet pressing connection seat is arranged above the inserting elastic sheet and is positioned in the socket along the up-down direction;

the bottom of the elastic sheet crimping seat is provided with an elastic sheet limiting body, and the elastic sheet limiting body extends downwards to the upper part of the conductive bar part of the integrated splicing elastic sheet so as to limit the upward movement of the integrated splicing elastic sheet.

The utility model discloses a socket's grafting shell fragment location structure's beneficial effect is: have the shell fragment crimping seat of fixed position along upper and lower direction, and have the downwardly extending shell fragment spacing body that supports in the busbar part on the shell fragment crimping seat, the shell fragment receives some power and shifts to the shell fragment spacing body when extracting the plug on, avoids the too big solder joint atress of integral type grafting shell fragment and circuit board and leads to the solder joint separation. And the elastic sheet limiting body is supported on the conductive strip part, and can effectively avoid the deformation of the jack part relative to the support of the jack part, so that the reliability of the plugging and the conductive connection between the jack part and the plug is ensured.

Furthermore, the elastic sheet limiting body is formed by local bulges on the elastic sheet crimping seat.

The novel LED lamp has the advantages of being beneficial to weight reduction and convenient to manufacture.

Furthermore, the local bulge is of a sheet structure, the plane of the sheet structure is perpendicular to the plane of the conductive strip part, and reinforcing rib plates are arranged between the two side faces of the sheet structure and the crimping seat main body of the elastic sheet crimping seat.

This has the advantage of ensuring accurate crimping to the top end faces of the conductive strip portions.

Furthermore, the elastic sheet limiting bodies are provided with more than two positions, and the elastic sheet limiting bodies are arranged along the length direction of the conductive strip part.

The conductive strip has the advantages that the conductive strip part is stressed uniformly, and deformation of the conductive strip part is effectively reduced or avoided.

Furthermore, the joint of the conductive bar part and the plug hole part of the integrated plug-in elastic piece is provided with the elastic piece limiting body.

The plug has the advantages that the moment arm of the force acting on the conductive strip part when the plug is pulled out is short, and the conductive strip part can be better prevented from deforming.

Furthermore, the inserting elastic sheet positioning structure further comprises an elastic sheet supporting seat, a conductive strip part righting structure is arranged on the elastic sheet supporting seat or the elastic sheet pressing seat, and the conductive strip part righting structure is used for enabling the side face of the conductive strip part to keep an upright state on the elastic sheet supporting seat.

The conductive strip has the advantages that the conductive strip is prevented from being driven to deflect when the plug is pulled out, and the reliability of plugging and conductive connection between the jack part and the plug is better ensured.

Further, the conductive strip portion righting structure comprises righting ribs arranged perpendicular to the side faces of the conductive strip portions, and corresponding side edges of the righting ribs are supported on the side faces of the conductive strip portions.

The novel electric heating cooker has the advantages of being simple in structure and convenient to process.

Furthermore, the inserting elastic sheet positioning structure also comprises a circuit board, and the elastic sheet supporting seat is arranged above the circuit board in a stacking manner;

the plug-in elastic piece also comprises a welding piece part which is connected with the conductive strip part and extends downwards;

the circuit board and the elastic sheet supporting seat are provided with welding sheet through holes, and the welding sheet part sequentially penetrates through the elastic sheet supporting seat and the welding sheet through holes on the circuit board to be welded on the circuit board.

Its beneficial part lies in, compares in on going up the side with the grafting shell fragment snap-on at the circuit board, and above-mentioned structure fixed strength is higher, and the reliability is better to, the welding piece part welds the downside welding operation space of circuit board bigger, is convenient for carry out welding operation.

Drawings

Fig. 1 is an exploded view of a socket according to an embodiment 1 of a positioning structure of a plug-in spring plate of the socket of the present invention;

fig. 2 is a partial structural view (a structure other than the decorative cover and the safety door cover) of fig. 1;

FIG. 3 is a three-dimensional view of the integrated socket spring of FIG. 1;

fig. 4 is a three-dimensional view of the arrangement relationship between the integrated plugging elastic sheet and the grounding phase plugging elastic sheet in fig. 1;

FIG. 5 is a three-dimensional view of the spring plate support seat of FIG. 1;

FIG. 6 is a schematic diagram of the integrated spring plate, the grounding spring plate and the spring plate support seat in FIG. 1;

FIG. 7 is a schematic structural diagram of the circuit board of FIG. 1;

FIG. 8 is a three-dimensional view of the spring plate crimp seat of FIG. 1;

FIG. 9 is a three-dimensional view 1 of the spring plate crimp seat and the integrated socket spring plate of FIG. 1;

FIG. 10 is a three-dimensional view 2 of the spring plate crimp socket and the integrated socket spring plate of FIG. 1;

in the figure: 1. decorative cover, 2, the emergency exit gland, 3, shell fragment crimping seat, 31, two hole emergency exits, 32, three hole emergency exits, 33, local arch, 34, deep floor, 4, the shell fragment supporting seat, 41, first welded sheet is perforated, 42, right the floor, 43, the carriage, 44, spacing lateral wall board, 45, spacing preceding curb plate, 46, first connecting portion is perforated, 47, spacing frame, 5, the circuit board, 51, second welded sheet is perforated, 52, second connecting portion is perforated, 6, the wall-buried casing, 7, integral type grafting shell fragment, 71, the jack portion, 72, the conducting strip part, 73, the welded piece part, 74, the extension arm, 8, ground connection grafting shell fragment, 81, the jack portion, 82, connecting portion.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the application, i.e., the embodiments described are only a subset of, and not all embodiments of the application. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present application are described in further detail below with reference to examples.

The plug-in spring plate positioning structure of the socket of the application comprises the following specific embodiment 1: as shown in fig. 1, the socket includes a buried wall housing 6, and the buried wall housing 6 is used in a bottom box mounted on a wall, and for convenience of description, the up-down direction of fig. 1 is defined as the up-down direction of the socket. A cavity with an opening at the upper part is arranged in the wall-buried shell, and a circuit board 5, an elastic sheet supporting seat 4 and an elastic sheet pressing seat 3 are sequentially arranged in the cavity from bottom to top. The elastic sheet pressure joint seat 3 is provided with a two-hole safety door 31 and a three-hole safety door 32, the top opening of the wall-buried shell 6 is provided with a safety door gland 2, and the safety door gland 2 is fixedly connected with the wall-buried shell 6 through screws at four corners to seal the internal parts of the wall-buried shell 6. The socket also comprises a decorative cover 1, and the decorative cover 1 is buckled at the tops of the buried wall shell 6 and the safety door gland 2 and used as the decoration of the socket.

As shown in fig. 1 and 2, an integrated inserting spring plate 7 and an grounding inserting spring plate 8 are arranged between the spring plate supporting seat 4 and the spring plate crimping seat 3, the circuit board 5, the spring plate supporting seat 4, the spring plate crimping seat 3, the grounding inserting spring plate 8 and the integrated inserting spring plate 7 jointly form an inserting spring plate positioning structure of the socket, the circuit board 5 is in conductive connection with an external wire through a corresponding wire inlet terminal, and power distribution and intelligent control over the socket are achieved through the circuit board 5 and electric elements arranged on the circuit board 5.

As shown in fig. 3 and 4, the integrated plugging elastic sheet 7 has two positions, which are respectively a live wire plugging elastic sheet and a neutral wire plugging elastic sheet. The integrated plug elastic sheet 7 comprises a jack part 71, a conductive strip part 72 and a welding sheet part 73, wherein each integrated plug elastic sheet 7 is provided with two jack parts 71, the jack parts 71 form upward plug conductive holes, and the plug conductive holes are used for plug insertion and conductive connection. As shown in fig. 4, two plug conductive holes of the live line phase plugging elastic sheet correspond to the live line of the two-phase plug and the three-phase plug, respectively, and two plug conductive holes of the zero line phase plugging elastic sheet correspond to the zero line of the two-phase plug and the three-phase plug, respectively. As shown in fig. 3 and 4, the conductive strip portion 72 is a plate-type structure, the plate surface of which is in the up-down direction, the conductive strip portion 72 is connected between two receptacle portions 71 to form an integrated connector clip 7, and a solder tab portion 73 is fixed to the lower side of the conductive strip portion 72 and has an extension arm 74 extending downward perpendicularly to the conductive strip portion 72.

As shown in fig. 5 and 6, the spring plate support seat 4 has a placement position for placing the integrated plug spring plate 7, the spring plate support seat 4 is provided with a first welding plate perforation 41, as shown in fig. 7, the circuit board 5 is provided with a second welding plate perforation 51 corresponding to the first welding plate perforation 41, and the extension arm 74 passes through the first welding plate perforation 41 and the second welding plate perforation 51 and is welded with the lower side plate surface of the circuit board 5. As shown in fig. 5 and 6, the spring support 4 is provided with a centering rib 42, the centering rib 42 is disposed perpendicular to the surface of the conductive strip portion 72, and the corresponding side edge of the centering rib 42 is supported on the side surface of the conductive strip portion 72, so that the surface of the conductive strip portion 72 is kept upright on the spring support 4, and the centering rib 42 forms a centering structure for the conductive strip portion 72. The elastic sheet support seat 4 is further provided with a support frame 43 positioned between the live wire phase plug-in elastic sheet and the zero wire phase plug-in elastic sheet, the support frame 43 is provided with limiting side wall plates 44 which are parallel to each other and the conducting strip parts 72, and the limiting side wall plates 44 are supported on the corresponding surfaces of the conducting strip parts 72. The support frame 43 further has a limiting front side plate 45, the limiting front side plate 45 is perpendicular to the conductive strip portion 72 and has limiting ends, and the bending structure at the connection of the conductive strip portion 72 and the jack portion 71 is supported at the corresponding limiting ends. The elastic sheet supporting seat 4 is further provided with a jack part limiting structure which limits the jack part 71, so that the jack part 71 is prevented from influencing the reliability of the conductive connection between the jack part 71 and a corresponding plug due to excessive outward expansion when the jack part 71 is matched with the plug.

As shown in fig. 4, the grounding-phase insertion spring 8 includes a hole portion 81 and a connection portion 82 fixed to a lower end of the hole portion 81 and extending downward, and the hole portion 81 forms a plug conductive hole corresponding to the grounding of the three-phase plug. As shown in fig. 5 and 7, the spring support 4 is provided with a first connecting portion through hole 46, the circuit board 5 is provided with a second connecting portion through hole 52 corresponding to the first connecting portion through hole 46, and the connecting portion 82 is provided with the second connecting portion through hole 52 through the first connecting portion through hole 46 and is welded to the lower side surface of the circuit board 5. As shown in fig. 5 and 6, the supporting frame 43 encloses a limiting frame 47, the first connecting portion through hole 46 is disposed in the limiting frame 47, and the limiting frame 47 forms a placing position for placing the grounding phase inserting elastic sheet 8.

As shown in fig. 8, 9 and 10, the resilient plate holder 3 is supported on the resilient plate support 4 and is pressed downward by the safety door cover 2, so that the resilient plate holder 3 has a fixed position in the inner cavity of the buried wall case 6. The bottom of the elastic sheet press-connection seat 3 is provided with a sheet-shaped local bulge 33, the plane of the local bulge 33 is perpendicular to the plate surface of the conductive strip part 72, and the local bulge 33 extends downwards to the upper part of the conductive strip part 72 of the integrated plug elastic sheet 7 and contacts with the conductive strip part 72 to limit the upward movement of the plug elastic sheet. As shown in fig. 8, three local protrusions 33 are provided corresponding to each integrated insertion spring 7, the three local protrusions are arranged along the length direction of the conductive strip portion 72, and the local protrusions 33 form a spring limiting body corresponding to the middle of the conductive strip portion 72 and the junction of the conductive strip portion 72 and the insertion hole portion 71, respectively. As shown in fig. 8, to ensure the structural strength of the local protrusion 33, a reinforcing rib 34 is provided between two side surfaces of the local protrusion 33 and the main body of the spring plate press-fit socket 3.

The utility model discloses a socket assembling process corresponding to the socket of the inserting elastic sheet positioning structure embodiment 1; the buried wall shell 6 is installed in a bottom box on a wall, the elastic sheet supporting seat 4 and the circuit board 5 are assembled, the integrated splicing elastic sheet 7 and the grounding phase splicing elastic sheet 8 are welded on the circuit board 5, and the elastic sheet supporting seat 4 and the circuit board 5 are placed in an inner cavity of the buried wall shell 6. The clip press-fit socket 3 is placed such that the local protrusion 33 extends downward above the conductive strip portion 72 of the integrated plug clip 7 and contacts the conductive strip portion 72 to restrict upward movement of the plug clip. The safety door gland 2 is fixedly connected with the buried wall casing 6 through screws at four corners, so as to realize the sealing of parts inside the buried wall casing 6. And (4) buckling the decorative cover 1 on the tops of the buried wall shell 6 and the safety door gland 2 to finish the assembly of the socket.

The difference between the embodiment 2 and the embodiment 1 of the plug-in spring plate positioning structure of the socket of the present application is as follows: the shell fragment spacing body is formed by convex backup pad on the shell fragment crimping seat, and the extending direction of backup pad is the same with the extending direction of conducting bar part, and the backup pad is in order to fix a position conducting bar part is whole, and at this moment, it sets up an elastic support body to correspond the integral type grafting shell fragment.

The difference between the embodiment 3 and the embodiment 1 of the positioning structure of the plugging elastic sheet of the socket of the present application is as follows: the local bulge is of a columnar structure, the axis of the local bulge is in the vertical direction, the lower end face of the local bulge is used for being supported on the conductive bar part, and a reinforcing rib plate is not needed to be arranged at the moment.

The difference between the embodiment 4 and the embodiment 1 of the plug-in spring plate positioning structure of the socket of the present application is as follows: the righting rib plate is arranged on the elastic sheet crimping seat, and the conductive strip part is righted through the righting rib plate on the elastic sheet crimping seat.

The difference between the embodiment 5 and the embodiment 1 of the positioning structure of the plugging elastic sheet of the socket of the present application is as follows: the righting ribbed plate is arranged in parallel with the conductive strip part, and the plate surface of the righting ribbed plate is supported on the plate surface of the conductive strip part.

The difference between the embodiment 6 and 1 of the plug-in spring plate positioning structure of the socket of the present application is as follows: the extension arm welding is on the side of going up of circuit board, is equipped with the opening on the shell fragment supporting seat and dodges the mouth towards the welding in the face outside, and the mouth forms welding operation space is dodged in the welding to the realization welds the extension arm to the circuit board from the upside of circuit board.

The difference between the embodiment 7 and the embodiment 1 of the plug-in spring plate positioning structure of the socket of the present application is that: a gap exists between the local bulge and the conductive strip part, at the moment, when the conductive strip part is slightly deformed, the local bulge is contacted with the conductive strip part, and partial acting force applied to the integrated plug-in elastic sheet is transferred to the local bulge from the welding point.

The embodiment 8 of the positioning structure of the plugging elastic sheet of the socket of the present application is different from the embodiment 1 in that: in embodiment 1, the elastic sheet pressing seat has a position fixed in the vertical direction in the inner cavity of the wall-buried shell through the support of the elastic sheet supporting seat and the pressing action of the safety door pressing cover. In this embodiment, the elastic sheet crimping seat is fixed on the elastic sheet supporting seat through a bolt so as to have a position fixed in the vertical direction in the inner cavity of the wall-buried shell.

The difference between the embodiment 9 and 1 of the plug-in spring plate positioning structure of the socket of the present application is as follows: the elastic sheet crimping seat is clamped on the elastic sheet supporting seat through a buckle so as to be provided with a position fixed in the vertical direction in the inner cavity of the wall-buried shell.

The difference between the embodiment 10 and the embodiment 1 of the positioning structure of the plugging elastic sheet of the socket in the present application is as follows: the conductive strip part is supported on the plate surface of the conductive strip part by the corresponding side face of the centering locating block.

The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.

Claims (8)

1. The grafting shell fragment location structure of socket includes:

the integrated inserting elastic sheet comprises an inserting hole part and a conductive strip part;

the jack part is provided with two positions, the jack part forms an upward plug conductive hole, and the plug conductive hole is used for plugging and conductively connecting a plug;

a conductive strip section connected between the two jack sections;

it is characterized by also comprising:

the elastic sheet pressing connection seat is arranged above the inserting elastic sheet and is positioned in the socket along the up-down direction;

the bottom of the elastic sheet crimping seat is provided with an elastic sheet limiting body, and the elastic sheet limiting body extends downwards to the upper part of the conductive bar part of the integrated splicing elastic sheet so as to limit the upward movement of the integrated splicing elastic sheet.

2. The insertion spring positioning structure according to claim 1, wherein the spring stopper is formed by a local protrusion on the spring pressing seat.

3. The positioning structure of the inserting spring plate according to claim 2, wherein the local protrusion is a sheet structure, the plane of the sheet structure is perpendicular to the plane of the conductive strip part, and reinforcing rib plates are arranged between the two side faces of the sheet structure and the main body of the pressing seat of the spring plate pressing seat.

4. The inserting elastic piece positioning structure according to claim 1, 2 or 3, wherein the elastic piece limiting bodies are provided with more than two positions, and each elastic piece limiting body is arranged along the length direction of the conductive strip part.

5. The positioning structure of the plugging elastic sheet according to claim 4, wherein the elastic sheet limiting body is arranged at the junction of the conductive strip part and the plug hole part of the integrated plugging elastic sheet.

6. The structure of claim 1, 2 or 3, further comprising a spring support seat, wherein the spring support seat or the spring press-fit seat is provided with a conductive strip centering structure, and the conductive strip centering structure is configured to keep a side of the conductive strip portion upright on the spring support seat.

7. The connector clip positioning structure of claim 6, wherein the conductive strip portion centering structure comprises a centering rib, the centering rib is arranged perpendicular to the side surface of the conductive strip portion, and the corresponding side edge of the centering rib is supported on the side surface of the conductive strip portion.

8. The insertion spring plate positioning structure according to claim 6, further comprising a circuit board, wherein the spring plate supporting seat is stacked above the circuit board;

the plug-in elastic piece also comprises a welding piece part which is connected with the conductive strip part and extends downwards;

the circuit board and the elastic sheet supporting seat are provided with welding sheet through holes, and the welding sheet part sequentially penetrates through the elastic sheet supporting seat and the welding sheet through holes on the circuit board to be welded on the circuit board.

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