WO2020038210A1

WO2020038210A1 - Stroke compensation type safety socket

Info

Publication number: WO2020038210A1
Application number: PCT/CN2019/098931
Authority: WO
Inventors: 李利
Original assignee: 李利
Priority date: 2018-08-20
Filing date: 2019-08-01
Publication date: 2020-02-27
Also published as: CN108963503A

Abstract

A stroke compensation type safety socket. A zero-line electric connection pressing sheet (301) and a live-wire electric connection pressing sheet (302) being configured to be separated sheet-like conductor structures that are slidable in the socket, and heat generation of the socket is prevented by means of surface-to-surface contact with a pin in large area. Meanwhile, a zero-line conducting sheet is fixedly connected to a first stroke compensation member (401), a compensation member pressing part (41) on the first stroke compensation member (401) extends to the back of the live-wire electric connection pressing sheet (302), and a first incoming wire elastic sheet (201) is provided between the compensation member pressing part (41) on the first stroke compensation member (401) and the zero-line conducting sheet, such that the compensation member pressing part (41) is driven by movement of the zero-line electric connection pressing sheet (301), so as to control the contact between the compensation member pressing part (41) and the first incoming wire elastic sheet (201), and the zero-line electric connection pressing sheet (301) approaches a second incoming wire elastic sheet (202). By configuring the live-wire electric connection pressing sheet (302), the second incoming wire elastic sheet (202), and a second stroke compensation member (402) in the same manner as the zero-line electric connection pressing sheet (301), the socket can only be used normally when a normal plug is inserted; otherwise, the socket is in an interlocked power-off state in each jack, so as to achieve the protection effect.

Description

Travel compensation type safety socket

Technical field

The present invention relates to the field of sockets, and more particularly, to a stroke-compensated safety socket.

Background technique

Sockets are used as a medium for modern electrical equipment to access circuits. They are widely used in daily life, and the electrical voltage for household appliances is a voltage level that can cause harm to humans. In life, children's electric shock accidents make people pay more attention to the safety of electricity. In order to prevent children from being shocked by foreign objects accidentally using sockets due to curiosity, various safety sockets have appeared on the market. Among them, plastic bezels are installed at the sockets. And electronic time-delay sockets have the widest application range, but the plastic baffle is designed to prevent infants from accidentally touching it. A large resistance of the plastic baffle is set to prevent infants and young children from entering the socket while holding a dangerous object. It is still in the power-on state, and the hidden safety hazard cannot be eliminated fundamentally, and the electronic time-delayed safety socket requires the internal installation of electronic components, which has a relatively high cost.

The invention patent with the publication number of CN107437685A discloses "a control-type safety socket". The socket includes a control-type safety structure composed of a socket contact piece, an incoming contact piece, a linkage contact device, a static contact and a spring. .

Summary of the Invention

1. Technical problems to be solved by invention

The purpose of the present invention is to solve the problem that the existing safety sockets can effectively control the charged state of the socket seat by adding a switch to increase the number of nodes in the socket, which is prone to heat, and the existing semi-automatically controlled safety sockets. Many problems and inconvenient assembly.

2. Technical solution

To achieve the above objective, the technical solution provided by the present invention is:

A travel-compensated safety socket of the present invention includes an upper shell of a socket and a lower shell of a socket, and is characterized in that it further comprises a wire-entering spring, an electrical connection pressing piece, a travel compensator, and an elastic element; And an incoming connection portion; the electrical connection pressing piece includes a pin contact portion and a pressing piece pressing portion; the stroke compensator includes a compensating piece pressing portion;

The line-feeding spring includes a first line-feeding spring and a second line-feeding spring; the electrical connection pressure plate includes a zero-line electrical connection pressure plate and a hot-line electrical connection pressure plate; the stroke compensation member includes a first stroke compensation member and The second stroke compensator; the zero-wire electrical connection pressure piece and the hot-wire electrical connection pressure piece are relatively spaced in the lower shell of the socket, and the zero-line electrical connection pressure piece and the hot-wire electrical connection pressure piece can be respectively located in the lower limit of the socket. Bit sliding

The pressing part of the compensating element on the first stroke compensating part and the pressing part of the pressing part on the hot-wire electrical connection pressing part are arranged at a relatively distance;

The shrapnel contacting portion on the first incoming shrapnel is spaced between the pressing part of the compensating member on the first stroke compensator and the pressing part of the pressing member on the hot-wire electrical connection pressing plate. In the direction of extrusion

The pressing part of the compensating member on the second stroke compensating member and the pressing part of the tablet on the zero-line electrical connection tablet are relatively spaced apart;

The spring contact portions on the second feed spring are spaced between the compensating part pressing part on the second stroke compensating part and the press extruding part on the zero-line electrical connection press. The press extruding part and the compensating part are squeezed. Pressing direction of the pressing part;

The two sets of elastic components are the resetting elasticity of the zero-wire electrical connection tablet and the hot-wire electrical connection tablet, so that the zero-wire electrical connection tablet and the hot-wire electrical connection tablet always have a reset tendency.

Furthermore, one end of the stroke compensator is detachably and fixedly connected to the electrical connection pressure piece or forms an integrated structure with the electrical connection pressure piece; the pressing part of the compensation piece is located at the other end of the stroke compensation piece.

Furthermore, a shaft or a shaft hole is provided at one end of the travel compensator. Correspondingly, a shaft hole or a shaft is provided on a side wall of the electrical connection tablet; the travel compensator and the electrical connection tablet are hinged through the shaft; and the compensation member is squeezed. The part is located at the other end of the stroke compensator.

Furthermore, the wire entry spring piece further includes a wire entry connection portion and a fixing portion. Correspondingly, the socket lower shell further includes a wire entry spring piece fixing structure and a wire entry hole; the fixing portion is fixed to the wire entry spring piece fixing structure. In the above, the wire connection part is a threaded hole corresponding to the position of the wire inlet.

Furthermore, the first travel compensator and the second travel compensator are both conductors; the distance between the contact portion of the spring on the first wire spring and the pressing portion of the compensator on the first travel compensator. Greater than the distance between the contact portion of the spring on the first incoming spring and the pressing portion of the pressing on the hot-wire electrical connection pressing;

The distance between the shrapnel contact portion on the second incoming shrapnel and the pressing part of the compensator on the second stroke compensator is greater than the shrunk contact portion on the second incoming shrapnel and the pressing piece on the zero-line electrical connection tablet. The distance between the extrusions.

Furthermore, the first travel compensator and the second travel compensator are both insulators; the distance between the contact portion of the spring on the first wire spring and the pressing portion of the compensator on the first travel compensator. Less than the distance between the contact portion of the elastic sheet on the first incoming elastic sheet and the pressing part of the compression sheet on the live-wire electrical connection compression sheet;

The distance between the shrapnel contact portion on the second incoming shrapnel and the pressing part of the compensator on the second stroke compensator is smaller than the shrapnel on the second feed spring shroud and the zero-line electrical connection tablet. The distance between the extrusions.

Furthermore, the pin contacting portion includes a flat contacting portion, and a smooth transition structure is provided on the side of the flat contacting portion facing the socket; in the initial state, the plane contacting portion is located at a corresponding position below the socket and is perpendicular to the direction of the pin insertion; The smooth transition structure is located under the socket, so that the pins can be easily inserted.

Furthermore, the pin contact portion further includes a tubular contact portion; the tubular contact portion is arranged in parallel with the flat contact portion; a smooth transition structure is provided on the side of the tubular contact portion facing the socket, and in the initial state, the smooth transition structure is located at the socket Lower for easier pin insertion.

Further, the planar contact portion and the tubular contact portion may be an integrated structure or the planar contact portion and the bottom end of the tubular contact portion are fixedly connected by means of screws or welding; the planar contact portion and the middle portion of the tubular contact portion And the upper end is spaced from each other, so that the upper end of the planar contact portion can swing.

Furthermore, an insulating partition structure is provided in the lower shell of the socket; the insulating partition structure can block the neutral wire electrical connection pressure piece and the hot wire electrical connection pressure piece, or at the same time cut off the neutral wire electrical connection pressure piece and the second stroke compensation And the first stroke compensator are electrically connected to the live wire to press the tablet.

Furthermore, the stroke compensator includes an elastic element supporting portion, and the elastic element supporting portion is an end of the stroke compensator or a protruding sheet-like structure on a side wall of the stroke compensator; one end of the elastic element and the elastic element supporting portion Contact, the other end is in contact with the lower shell of the socket, so as to provide resetting elasticity for the electrical connection pressing piece.

Furthermore, the pressing part of the compensating member is a convex structure located on one end of the travel compensator in the swinging direction of the feed spring; the pressing part of the compensating member forms an integral structure with the travel compensating member or is detachably fixedly connected. The pressing part of the compensation member is a conductor or an insulator.

Furthermore, the first stroke compensator and the second stroke compensator are both conductors; the first stroke compensator and the second stroke compensator are respectively disposed on the two sides of the zero-line electrical connection pressing piece or the hot-wire electrical connection pressing piece respectively. Location

The first stroke compensator is electrically connected to the live wire and the tablet is spaced apart; the second stroke compensator is electrically connected to the zero line and the tablet is spaced apart;

The zero-wire electrical connection pressing piece is provided with an insulating structure on a side facing the second incoming elastic piece; the hot-wire electrical connection pressing piece is provided with an insulating structure on a side facing the first incoming elastic piece; The insulating structure may be a plastic sheet or an insulating coating.

Furthermore, the elastic element is a spring, a spring sheet or a spring bar.

A travel-compensated safety socket, which realizes safety protection and normal use. When the hot wire socket is inserted into an object, the hot wire electrical connection pressing piece in the hot wire socket is displaced by the pin; when the hot wire electrical connection pressing piece moves to At the maximum stroke, the hot-wire electrical connection clamp does not contact the first wire-entry spring, and at the same time, the compensating member pressing part of the second stroke compensator linked with the hot-wire electrical connection clamp presses the second advance through the insulation contact method. The line shrapnel is inclined toward the direction of the zero line electrical connection tab, but does not make the second line shrapnel contact the zero line electrical connection tab; at this time, the electrical connection tab in the socket is not electrically connected to the line shrapnel, so it is not energized. Therefore, safety protection is achieved; when the pins are inserted into the neutral wire and the live wire socket at the same time, the neutral wire electrical connection pressing piece and the hot wire electrical connection pressing piece move to the maximum displacement respectively under the action of the pin. At this time, they are separately connected with the neutral wire electrical The travel compensators associated with the connection clamps or the live-wire electrical connection clamps squeeze their respective wire-entry springs, so that the wire-entry springs are directed to the corresponding hot-wire electrical connection clamps and zero-wire electrical connection clamps, respectively. Turn, electrically connected to compensate for line and neutral tabletting tabletting electrically connected to the corresponding incoming line is connected to achieve a desired displacement electrically shrapnel, and ultimately electrically connected, so that the circuit path;

or,

When the FireWire socket is inserted into an object, the FireWire electrical connection clamp in the FireWire socket is displaced by the pin; when the FireWire electrical connection clamp moves to the maximum stroke, the FireWire Electrical connection clamp squeezes the first by means of insulation contact. Feeding shrapnel, deflecting the first feeding shrapnel in the direction of the compensating part pressing part on the first stroke compensating part, but not in contact with the compensating part pressing part; meanwhile, the second moving part connected to the live wire electrical connection pressing part The compression part of the compensator on the travel compensator is driven by the hot-wire electrical connection clamp to move closer to the second wire-entering spring but is not electrically connected to the second wire-entering spring; The incoming shrapnel is electrically connected, so it is not powered, thereby achieving safety protection;

When the pins are inserted into the neutral wire and the hot wire socket at the same time, the neutral wire electrical connection clamp and the hot wire electrical connection clamp move to the maximum displacements under the action of the pins, respectively. At this time, the second wire entry spring and the first wire entry spring Closed to the corresponding travel compensator under the insulation extrusion of the neutral wire electrical connection tab and the live wire electrical connection tab, respectively, to compensate for the pressing part of the compensator on the travel compensator and the corresponding incoming spring to achieve the electrical connection. Displacement, and finally achieve electrical connection respectively, so that the circuit path.

3. Beneficial effects

Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

1. A travel-compensated safety socket of the present invention, by providing an independent movable electrical connection pressing structure in the socket to increase the contact surface between the socket and the pin, effectively reducing unstable nodes and avoiding socket heating.

2. A travel-compensated safety socket of the present invention, by providing a travel compensator in the socket, the socket must be connected to the circuit through the travel compensation under normal use conditions, thereby ensuring the safety of use.

3. The travel-compensated safety socket of the present invention, by setting the travel compensator as an insulator material, when a component in the socket fails due to aging, a control-type safety socket structure is formed, thereby further enhancing its use safety.

4. The stroke-compensated safety socket of the present invention is provided with a smooth transition structure on the combined structure of the electrical connection pressing structure, so as to facilitate the insertion of pins and save labor.

5. The stroke-compensated safety socket of the present invention has simple components and assembly methods, which is convenient for production and promotion.

6. A travel-compensated safety socket of the present invention, by fixing the flat contact portion to the bottom end of the tubular contact portion and the upper end of the incense spaced, thereby avoiding the space caused by the smooth transition structure at the top of the flat contact portion to occupy the space of the tubular contact portion The problem that the pins cannot be inserted.

4. Description of the drawings

FIG. 1 is a side view of an electrical connection tablet in Embodiment 1; FIG.

2 is a top side view of a lower shell of a socket in Embodiment 1;

3 is a side view of a stroke compensator in Embodiment 1;

4 is a schematic diagram of an assembly structure of a socket lower case, an electrical connection pressing piece, a stroke compensator, and an elastic element in Embodiment 1;

5 is a schematic structural diagram of an assembly of a socket lower shell, an electrical connection pressing piece, a stroke compensator, and an elastic element in Embodiment 1;

6 is a top side view of a lower shell of the socket in Embodiment 1;

7 is a side view of a travel compensator in Embodiment 1;

8 is a top side view of a socket lower case in Embodiment 2;

FIG. 9 is a schematic diagram of an assembly structure of a lower shell of a socket, an electrical connection pressing piece, a wire-entering spring piece, a stroke compensator, and an elastic element in Embodiment 2; FIG.

10 is a side view of a travel compensator in Embodiment 3;

11 is a side view of an electrical connection tablet in Embodiment 4;

FIG. 12 is a schematic view showing an assembly structure of a socket lower case, an electrical connection pressing piece, a wire-entering spring piece, a stroke compensator, and an elastic element in Embodiment 4; FIG.

FIG. 13 is a side view of an integrated structure of an electrical connection pressing piece and a stroke compensator in Embodiment 5; FIG.

FIG. 14 is a side view of an integrated structure of an electrical connection pressing piece and a stroke compensator in Embodiment 5; FIG.

FIG. 15 is a side view of an integrated structure of an electrically connected pressing piece and a stroke compensator in Embodiment 5; FIG.

FIG. 16 is a side view of an integrated structure of an electrically connected pressing piece and a stroke compensator in Embodiment 5; FIG.

FIG. 17 is a side view of an integrated structure of an electrical connection pressing piece and a stroke compensator in Embodiment 6; FIG.

FIG. 18 is a side view of a wire feed spring in Embodiment 6; FIG.

19 is a top side view of a socket lower case in Embodiment 6;

FIG. 20 is a schematic diagram of an assembly structure of a lower shell of a socket, an electrical connection pressing piece, a wire-entering spring piece, a stroke compensator, and an elastic element in Embodiment 6; FIG.

21 is a side view of an integrated structure of an electrical connection pressing piece and a stroke compensator in Embodiment 7;

FIG. 22 is a side view of a wire feed spring in Embodiment 7; FIG.

23 is a top side view of a socket lower case in Embodiment 7;

FIG. 24 is a schematic diagram of the assembly structure of the lower shell of the socket, the electrical connection pressing piece, the wire-entering spring piece, the stroke compensator, and the elastic element in Embodiment 7; FIG.

FIG. 25 is a side view of an integrated structure of an electrically connected pressing piece and a stroke compensator in Embodiment 10; FIG.

FIG. 26 is a side view of a wire feed spring in Embodiment 11; FIG.

FIG. 27 is a side view of an integrated structure of an electrically connecting pressing piece and a stroke compensator in Embodiment 11; FIG.

FIG. 28 is a schematic structural diagram of an insulating spacer in Embodiment 11; FIG.

FIG. 29 is a schematic structural diagram of an assembly of a lower shell of a socket, an electrical connection pressing piece, a wire-entering spring piece, a stroke compensator, an elastic element, and an insulating partition plate in Embodiment 11. FIG.

Description of the symbols in the figure:

1. Lower shell of socket; 101. Insulation blocking structure; 102. Wire-entering shrapnel fixing structure; 103. Wire-entering hole; 2. Wire-entering shrapnel; 21; Spring-contacting part; 22; Wire-entering connection; 23; Fixing part 201, the first incoming shrapnel; 202, the second incoming shrapnel; 3, the electrical connection pressing piece; 30, the pin contact portion; 31, the pressing piece pressing portion; 32, the flat contact portion; 33, the tubular contact portion; 301, zero-line electrical connection pressure piece; 302, hot-wire electrical connection pressure piece; 4, stroke compensation piece; 41, compensation piece squeeze part; 42, elastic element support part; 401, first stroke compensation piece; 402, second Stroke compensator; 5, elastic element; 6, insulating partition; 601, limit hole; 602, fixed connection.

5. Specific implementation

In order to further understand the content of the present invention, the present invention is described in detail below with reference to the accompanying drawings.

Example 1

As shown in Figure 1-7, a travel-compensated safety socket of this embodiment includes a socket upper shell and a socket lower shell (1) which are detachably and fixedly connected, and further includes a socket upper shell and a socket lower shell (1). ) Between the incoming elastic sheet (2), the electrical connection pressing sheet (3), the stroke compensator (4) and the elastic element (5).

The electrical connection pressing piece (3) includes a neutral wire electrical connection pressing piece (301) and a live wire electrical connection pressing piece (302). The electrical connection pressing piece (3) is provided with a pin contact portion (30) and a pressing piece pressing portion (31). The pin contact portion (30) includes a flat contact portion (32). A smooth transition structure is provided on the side of the planar contact portion (32) facing the socket. In the initial state, the planar contact portion (32) is located at a corresponding position below the socket, and is arranged perpendicular to the insertion direction of the pin; the smooth transition structure is located below the socket, thereby facilitating the insertion of the pin.

An insulating partition structure (101) is arranged in the lower shell (1) of the socket. The insulating partition structure (101) can insulate the neutral wire electrical connection pressing piece (301) and the live wire electrical connection pressing piece (302).

The partition structure (101) constitutes two open limit chambers which are arranged at relatively intervals. The zero-line electrical connection pressing piece (301) and the hot-wire electrical connection pressing piece (302) are respectively installed in one position-limiting compartment and can be installed in Limit position slides inside.

The travel compensator (4) includes a first travel compensator (401) and a second travel compensator, which are respectively disposed at corresponding positions on one side of the zero-line electrical connection plate (301) and the live-wire electrical connection plate (302). (402).

One end of the stroke compensating member (4) is provided with a fixing structure composed of a through hole or a clip foot, and the other end is provided with a compensating member pressing portion (41) composed of a protrusion. Correspondingly, the electrical connection pressing piece (3) is provided with a screw hole or a clamping slot, so that the travel compensator (4) and the electrical connection pressing piece (3) can be detachably fixedly connected by screws or by snapping.

The wire-entry spring sheet (2) includes a spring-sheet contact part (21) and a wire-entry connection part (22). The incoming connection portion (22) can pass through the lower shell (1) of the socket and be exposed on the bottom surface or outer side wall of the lower socket (1) of the socket.

The wire entry spring (2) includes a first wire entry spring (201) and a second wire entry spring (202).

The first travel compensator (401) is a conductor; one end of the first travel compensator (401) is detachably and fixedly connected to the zero-line electrical connection pressing piece (301) or forms an integrated structure with the zero-line electrical connection pressing piece (301). ; The other end of the first stroke compensating member (401) is provided with a compensating member pressing portion (41) composed of a protrusion.

The compensating member pressing portion (41) on the first stroke compensating member (401) and the pressing piece pressing portion (31) on the live-wire electrical connection pressing piece (302) are disposed at a distance from each other.

The shrapnel contact part (21) on the first incoming shrapnel (201) is spaced from the compensator pressing part (41) on the first stroke compensator (401) and the pressure piece on the live wire connection pressure piece (302). The tablet pressing portion (31) and the compensating element pressing portion (41) are pressed in the pressing direction between the pressing portions (31).

The distance between the first wire-entering spring piece (201) and the compensating member pressing part (41) on the first stroke compensator (401) is larger than the first wire-entering spring piece (201) and the live wire electrical connection pressing piece (302). )the distance between.

The second travel compensator (402) is a conductor; one end of the second travel compensator (402) is detachably and fixedly connected to the hot-wire electrical connection pressing piece (302) or forms an integrated structure with the hot-wire electrical connection pressing piece (302); The other end of the two-stroke compensating element (402) is provided with a compensating element pressing part (41) composed of a protrusion.

The compensating member pressing portion (41) on the second stroke compensating member (402) and the pressing piece pressing portion (31) on the zero-line electrical connection pressing piece (301) are disposed relatively spaced apart.

The spring contact portion (21) on the second incoming spring (202) is spaced from the pressure on the compensator pressing portion (41) on the second stroke compensator (402) and the neutral line electrical connection pressure (301). Between the tablet pressing portion (31), the tablet pressing portion (31) and the compensating member pressing portion (41) are pressed in the pressing direction.

The distance between the second incoming spring piece (202) and the compensating member pressing portion (41) on the second stroke compensator (402) is greater than the distance between the second incoming spring piece (202) and the neutral electrical connection pressing piece ( 301).

The first travel compensator (401) and the live-wire electrical connection presser (302), and the second travel compensator (402) and the neutral-wire electrical connection presser (301) are all provided by an insulation structure (101). ; To avoid circuit short-circuit accidents during use.

The travel compensator (4) includes an elastic element support (42), which is an end of the travel compensator (4), or a protruding piece on a side wall of the travel compensator (4).状结构。 Like structure.

The elastic element (5) has two groups; the elastic element (5) may be an elastic structure such as a spring or a spring sheet.

One end of each of the two sets of elastic elements (5) is in contact with the corresponding elastic element supporting portion (42), and the other end is in contact with the lower shell (1) of the socket, so that they are respectively the neutral electrical connection pressing piece (301) and the hot electrical connection connecting piece (302) Provides resilience.

The zero-wire electrical connection pressing piece (301) is provided with an insulating structure on a side facing the second wire-entry spring piece (202); the hot-wire electrical connection pressing piece (302) is facing the first wire-entry spring piece (201) ), An insulating structure is provided on one side.

When the FireWire socket is inserted into the object, the FireWire electrical connection clamp (302) in the FireWire socket is displaced by the pin; when the FireWire electrical connection clamp (302) moves to the maximum stroke, the FireWire Electrical connection clamp (302) The first wire-entering spring (201) is squeezed by means of insulation contact, so that the first wire-entering spring (201) is deflected toward the compensating member pressing part (41) on the first stroke compensating member (401), but not with The pressing part (41) of the compensating element is in contact; at the same time, the pressing part (41) of the compensating element on the second stroke compensating element (402) that is connected to the hot wire electrical connection pressing piece (302) is electrically connected to the pressing wire ( 302), moved closer to the second incoming spring (202), but not electrically connected to the second incoming spring (202); at this time, the electrical connection pressing piece (3) in the socket is not connected to the incoming spring (2) ) Is electrically connected, so no power is applied, thereby achieving safety protection.

When the pins are inserted into the neutral wire and the live wire socket at the same time, the neutral wire electrical connection pressing piece (301) and the hot wire electrical connection pressing piece (302) move to the maximum displacement respectively under the action of the pin. At this time, the second incoming shrapnel (202) and the first incoming shrapnel (201) are moved closer to the corresponding travel compensator (4) under the insulation and compression of the neutral electrical connection clamp (301) and the live electrical connection clamp (302), respectively, to compensate The compensating part pressing part (41) on the travel compensating part (4) and the corresponding wire feed spring (2) realize the required displacement of the electrical connection, and finally realize the electrical connection respectively so as to make the circuit path.

In this embodiment, the tablet pressing portion (31) is an electrical connection to the sidewall of the tablet (3).

Example 2

As shown in Figure 8-9, the main structure of the travel-compensated safety socket described in this embodiment is basically the same as that in Embodiment 1, except that:

The first stroke compensator (401) and the second stroke compensator (402) or the compensating member pressing part (41) on the first stroke compensator (401) and the second stroke compensator (402) are insulators. . The distance between the first incoming spring piece (201) and the compensating member pressing portion (41) on the first travel compensator (401) is smaller than the distance between the first incoming spring piece (201) and the live wire electrical connection pressing piece (302). )the distance between.

The distance between the second incoming spring piece (202) and the compensating member pressing portion (41) on the second stroke compensator (402) is smaller than the distance between the second incoming spring piece (202) and the neutral electrical connection pressing piece ( 301).

In this embodiment, the first stroke compensator (401) and the second stroke compensator (402) can be slidably set up and down.

When the FireWire socket is inserted into the object, the FireWire electrical connection clamp (302) in the FireWire socket is displaced by the pin; when the FireWire electrical connection clamp (302) moves to the maximum stroke, the FireWire Electrical connection clamp (302) It is not in contact with the first incoming elastic piece (201), and at the same time, the compensating member pressing part (41) on the second stroke compensating member (402) that is linked to the live wire electrical connection pressing piece (302) is extruded by an insulating contact method. The second incoming elastic piece (202) is inclined toward the neutral electrical connection pressing piece (301), but the second incoming elastic piece (202) is not in contact with the neutral electrical connecting pressure piece (301); The electrical connection pressing piece (3) is not electrically connected to the incoming elastic piece (2), so it is not energized; thereby achieving safety protection.

When the pins are inserted into the neutral and hot wire sockets at the same time, the neutral electric connection clamp (301) and the hot wire electrical connection clamp (302) move to the maximum displacement respectively under the action of the pins. At this time, they are separately connected with the neutral wire. The travel compensators (4) associated with the connection clamps (301) or the hot-wire electrical connection clamps (302) squeeze their respective wire-entry springs (2), so that the wire-entry springs (2) are electrically connected to the corresponding hot-wires. The pressing piece (302) and the neutral wire connecting piece (301) are deflected to compensate the live wire connecting piece (302) and the neutral wire connecting piece (301) and the corresponding incoming elastic piece (2) to realize the electrical connection. Need to be displaced, and finally achieve electrical connection, so that the circuit path.

Example 3

As shown in FIG. 10, a travel-compensated safety socket according to this embodiment has a main structure that is basically the same as that of Embodiment 2. The difference is that the side walls of both sides of the electrical connection pressing piece (3) are provided. There is a rotating shaft part, the rotating shaft part is a shaft hole or a rotating shaft composed of a cylinder protruding from the side wall of the electrical connection pressing piece (3); the first stroke compensator (401) and the second stroke compensator ( 402) Hinging the corresponding electrical connection pressing piece (3) respectively; thereby further improving the electrical contact stability of the electrical connection pressing piece (3) and the pin.

Example 4

As shown in FIG. 11-12, the travel-compensated safety socket described in this embodiment is basically the same as the main structure described in any of the embodiments 1-3, except that the electrical connection is different The pressing piece (3) further comprises a tubular contact portion (33); the tubular contact portion (33) is arranged in parallel with the flat contact portion (32); a smooth transition structure is provided on the tubular contact portion (33) side facing the socket, so that Easy pin insertion.

Example 5

As shown in FIG. 13-16, the travel compensation safety socket according to this embodiment is basically the same as the main structure described in any one of embodiments 1-4, except that the electrical connection is different The pressing piece (3) and the stroke compensator (4) can be an integrally formed structure.

Example 6

As shown in Figures 17-20, the travel compensation type safety socket described in this embodiment has the same main structure as the first embodiment, except that:

The wire entry spring (2) further includes a wire entry connection portion (22) and a fixing portion (23). The wire connecting portion (22) is a screw hole, and the fixing portion (23) is a through hole. The corresponding lower shell (2) of the socket is provided with a wire entry hole (103) formed by a through hole and a wire entry elastic piece fixing structure (102) formed by a threaded hole. The wire-entry connecting part (22) is adapted to the position of the wire-entry hole (103). A contact spring is provided at a corresponding position on the outer side wall of the lower shell (1) of the socket. It is fixed on the incoming wire connection part (22), so as to realize the electrical connection between the contact spring and the incoming wire spring (2). The fixing portion (23) is sleeved on the outer edge of the wire entry spring fixing structure (102), and the screw is installed on the wire entry spring fixing structure (102), thereby realizing the fixing portion (23) and the lower socket of the socket (1). ) Fixed.

In this embodiment, one end of the elastic element (5) is in contact with the lower shell (1) of the socket, and the other end is in contact with the electrical connection pressing piece (3), so as to provide resetting elasticity for the electrical connection pressing piece (3).

In this embodiment, the tablet pressing part (31) is a sheet-like structure located on the side of the electrical connection tablet (3), and the direction in which the tablet pressing part (31) is pressed into the wire spring sheet (2) and the electric The connecting pressing pieces (3) have the same movement direction.

Example 8

As shown in FIGS. 21-24, the travel compensation type safety socket described in this embodiment has a main structure basically the same as that in Embodiment 6, except that the pressing part (31) for pressing is electrically connected. The side wall of the pressing piece (3), and the direction in which the pressing piece pressing portion (31) presses into the wire elastic piece (2) forms an angle with the moving direction of the electrical connection pressing piece (3).

Example 9

The travel-compensated safety socket described in this embodiment is basically the same as the main structure described in any of the embodiments 1-8, except that the travel-compensation member (4) is provided with screws. Holes, threaded posts or clamping feet; correspondingly, the pressing part (41) of the compensating element is provided with a threaded post, screw hole or clamping slot corresponding to the travel compensating element (4); the travel compensating element ( 4) It can be detachably and fixedly connected to the pressing part (41) of the compensating member by snapping or screwing. The stroke compensator (4) may be a conductor or an insulator.

Example 10

As shown in FIG. 25, a travel-compensated safety socket according to this embodiment is basically the same as the main structure described in any of Embodiments 1-9, except that the plane contact portion ( 32) The tubular contact portion (33) may be an integrated structure, or the flat contact portion (32) and the bottom end of the tubular contact portion (33) are fixedly connected by screws or welding; the planar contact portion (32) It is spaced from the middle and upper ends of the tubular contact portion (33), so that the upper end of the planar contact portion (32) can swing.

In this embodiment, the planar contact portion (32) is connected to the bottom of the tubular contact portion (33), and the upper body portion is separated, so that when the socket is inserted into the round pin plug, the smooth transition on the planar contact portion (32) The structure can be deflected to the side of the pin under the squeeze of the round pin, thereby preventing the round pin plug from being inserted due to the smooth transition structure on the flat contact portion (32).

Example 11

As shown in Figs. 26-29, the travel-compensated safety socket described in this embodiment is basically the same as the main structure described in any of the embodiments 1-10, except that the socket is also Including an insulating partition (6) made of an insulating material. The insulating partition (6) includes a limiting hole (601) and a fixed connection portion (602). The middle part of the wire entry spring (2) can pass through the restriction hole (601), so that the wire entry spring (2) and the Linkage of insulation partitions. The insulation partition forms an insulation partition between the incoming elastic sheet (2) and the electrical connection pressing sheet (3) at the same time, so as to avoid a short circuit accident.

The fixed connection portion (602) may be a through hole or a card slot. Correspondingly, the electrical connection pressing piece (3) may be provided with a screw hole or a clamping leg, so that the insulating partition (6) can be connected with the electrical connection pressing piece ( 3) Fixed connection by means of snap-on or screw connection.

In this embodiment, the fixing part (23) on the wire feed spring is disposed at a corresponding position on the side of the electrical connection pressing piece (3) away from the corresponding compensating part pressing part (41), so that the wire feed spring (2) ) Form a lever structure with the fixed part (23) as the center and the insulating spacer as the fulcrum, thereby increasing the effective displacement of the shrapnel contact part (21) with the movement of the electrical connection pressing piece (3), thereby increasing the shrapnel in the initial state. The distance between the contact portion (21) and the pressing portion (41) of the compensator to increase the safety of electricity consumption.

In this embodiment, the compensating member pressing portion (41) is a plane located at one end of the stroke compensating member (4).

Example 12

The travel-compensated safety socket described in this embodiment is basically the same as the main structure described in Embodiment 10, except that the insulation partition (6) is fixedly connected to the travel compensator (4). The line-entering spring (2) is clamped to the insulation partition (6) to limit the position, so that the line-entry spring (2) and the travel compensator (4) are linked for extruding the line-entering spring through the travel compensator (4). (2) A case where the wire-entering spring piece (2) and the electric connection pressing piece (3) can be finally electrically connected.

The insulation partition forms an insulation partition between the incoming spring sheet (2) and the travel compensator (4) at the same time, so as to avoid a short circuit accident.

It should be noted that the key part of the present invention lies in: setting the electrical connection pressing piece (3) as a structure that can slide in the lower shell (1) of the socket, and by setting the wire feed spring piece (2) and forming the compensation device (4) ), The distance between the pressing part (41) of the compensation member, the distance between the wire feed spring (2) and the pressing part (31) on the electrical connection pressing piece (3), and the electrical connection pressing piece (31) 3) The relationship between the movement strokes, through the adaptive adjustment of the insulation and conductivity between the wire feed spring (2) and the compensator pressing part (41) and the tablet pressing part (31), so as to achieve different Control effect.

The present invention and the embodiments thereof have been schematically described above, and the description is not restrictive. What is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if a person of ordinary skill in the art is inspired by it and, without departing from the creative purpose of the present invention, a structure and an embodiment similar to the technical solution are not creatively designed, all should belong to the protection scope of the present invention. .

Claims

A travel-compensated safety socket, which includes an upper casing of a socket and a lower casing of a socket (1), is characterized in that it further comprises a wire-entering spring piece (2), an electrical connection pressing piece (3), a travel compensation piece (4), and an elastic element (5); the wire-entering spring piece (2) includes a spring-contact portion (21) and a wire-in connection portion (22); the electrical connection pressing piece (3) includes a pin contact portion (30) and a pressing piece pressing portion (31); the stroke compensator (4) includes a compensator pressing portion (41);

The wire-entering spring (2) includes a first wire-entering spring (201) and a second wire-entering spring (202); the electrical connection pressing piece (3) includes a zero-wire electrical connection pressing piece (301) and a live wire electrical connection Pressing piece (302); the stroke compensating piece (4) includes a first stroke compensating piece (401) and a second stroke compensating piece (402); the zero-line electrical connection plate (301) and the hot-wire electrical connection plate (302) It is arranged at a relative interval in the lower shell (1) of the socket, and the neutral wire electrical connection pressing piece (301) and the hot wire electric connection pressing piece (302) can be slid in the lower limit of the socket lower housing (1) respectively;

The compensating member pressing portion (41) on the first stroke compensating member (401) and the pressing piece pressing portion (31) on the hot-wire electrical connection pressing piece (302) are disposed at a relatively distance;

The shrapnel contact part (21) on the first incoming shrapnel (201) is spaced from the compensator pressing part (41) on the first stroke compensator (401) and the pressure piece on the live wire connection pressure piece (302). The pressing direction of the tablet pressing portion (31) and the compensating element pressing portion (41) between the pressing portions (31);

The compensating part pressing part (41) on the second stroke compensating part (402) and the pressing part pressing part (31) on the zero-line electrical connection pressing piece (301) are disposed relatively spaced apart;

The spring contact portion (21) on the second incoming spring (202) is spaced from the pressure on the compensator pressing portion (41) on the second stroke compensator (402) and the neutral line electrical connection pressure (301). Between the tablet pressing portion (31), the tablet pressing portion (31) and the compensating member pressing portion (41) are pressed in the pressing direction;

The two sets of elastic elements (5) are the neutral wire electrical connection pressure piece (301) and the hot wire electrical connection pressure piece (302) to provide resetting elasticity, so that the neutral wire electrical connection pressure piece (301) and the live wire electrical connection pressure piece (302) There is always a tendency to reset.
The travel-compensated safety socket according to claim 1, characterized in that: one end of the travel-compensation member (4) is detachably and fixedly connected to or formed with the electrical connection pressing piece (3). Integrated structure; the pressing part (41) of the compensation member is located at the other end of the stroke compensation member (4).
The travel-compensated safety socket according to claim 1, characterized in that: one end of the travel-compensating member (4) is provided with a rotating shaft or a shaft hole, and correspondingly, a side wall of the electrical connection pressing piece (3) is provided with Shaft hole or rotating shaft; the stroke compensating member (4) and the electrical connection pressing piece (3) are hinged through the rotating shaft; the compensating member pressing part (41) is located at the other end of the stroke compensating member (4).
The travel-compensated safety socket according to claim 1, characterized in that the wire entry spring (2) further comprises a wire entry connection portion (22) and a fixing portion (23); correspondingly, under the socket The shell (1) further includes a wire entry spring fixing structure (102) and a wire entry hole (103); the fixing portion (23) is fixed on the wire entry spring fixing structure (102), and the wire entry connection portion (22) It is a threaded hole corresponding to the position of the wire entry hole (103).
The travel-compensated safety socket according to claim 1, characterized in that: the first travel compensator (401) and the second travel compensator (402) are both conductors; and the first incoming spring ( The distance between the shrapnel contact portion (21) on the 201) and the compensator pressing portion (41) on the first stroke compensator (401) is greater than the shrapnel contact portion (21) on the first incoming shrapnel (201) The distance between the pressing piece (31) on the pressing piece (302) electrically connected to the live wire;

The distance between the shrapnel contact portion (21) on the second incoming shrapnel (202) and the compensator pressing portion (41) on the second stroke compensator (402) is greater than the second incoming shrapnel (202) The distance between the spring contact portion (21) on the upper side and the press pressing portion (31) on the zero-line electrical connection press (301).
The travel-compensated safety socket according to claim 1, characterized in that: the first travel compensator (401) and the second travel compensator (402) are both insulators; The distance between the shrapnel contact portion (21) on the 201) and the compensator pressing portion (41) on the first stroke compensator (401) is smaller than the shrapnel contact portion (21) on the first incoming shrapnel (201) The distance between the pressing piece (31) on the pressing piece (302) electrically connected to the live wire;

The distance between the shrapnel contact portion (21) on the second incoming shrapnel (202) and the compensator pressing portion (41) on the second stroke compensator (402) is smaller than the second incoming shrapnel (202) The distance between the spring contact portion (21) on the upper side and the press pressing portion (31) on the zero-line electrical connection press (301).
The travel-compensated safety socket according to claim 1, wherein the pin contact portion (30) includes a flat contact portion (32), and a smooth transition is provided on a side of the flat contact portion (32) facing the socket. Structure; in the initial state, the planar contact portion (32) is located at a corresponding position below the socket, and is arranged perpendicular to the insertion direction of the pin; the smooth transition structure is located below the socket, thereby facilitating the insertion of the pin.
The travel-compensated safety socket according to claim 7, characterized in that: the pin contact portion (30) further comprises a tubular contact portion (33); the tubular contact portion (33) and a flat contact portion (32) ) Are arranged in parallel; a smooth transition structure is provided on the side of the tubular contact portion (33) facing the socket. In the initial state, the smooth transition structure is located below the socket, thereby facilitating the insertion of pins.
The travel-compensated safety socket according to claim 8, characterized in that the planar contact portion (32) and the tubular contact portion (33) can be an integrated structure or the plane contact can be made by means of screws or welding. The portion (32) is fixedly connected to the bottom end of the tubular contact portion (33); the planar contact portion (32) is spaced from the middle and upper ends of the tubular contact portion (33), so that the upper end of the planar contact portion (32) can swing .
The travel-compensated safety socket according to claim 1, characterized in that: an insulating partition structure (101) is provided in the lower shell (1) of the socket; and the insulating partition structure (101) can block the neutral line electricity Connect the pressure piece (301) and live wire electrical connection pressure piece (302), or cut off the neutral wire electrical connection pressure piece (301) and the second stroke compensation piece (402) and the first stroke compensation piece (401) electrically connected with the live wire. Tablet (302).
The travel-compensated safety socket according to claim 1, wherein the travel-compensating member (4) includes an elastic element supporting portion (42), and the elastic-element supporting portion (42) is a travel-compensating member (42) 4) the end portion, or the protruding sheet-like structure on the side wall of the travel compensator (4); one end of the elastic element (5) is in contact with the elastic element support portion (42), and the other end is in contact with the lower housing (1) of the socket, thereby Provide resetting elasticity for the electrical connection pressing piece (3).
The travel-compensated safety socket according to claim 1, characterized in that: the pressing part (41) of the compensating member is located on one end of the travel compensating member (4) in a swing direction of the wire-entering spring (2). The protruding structure of the compensation member (41) forms a one-piece structure with the stroke compensation member (4) or is detachably and fixedly connected; the squeeze portion (41) of the compensation member is a conductor or an insulator.
The travel-compensated safety socket according to claim 5, wherein the first travel compensator (401) and the second travel compensator (402) are both conductors; the first travel compensator (401) And the second stroke compensator (402) are respectively arranged at the corresponding positions on both sides of the zero-wire electrical connection pressing piece (301) or the hot-wire electrical connection pressing piece (302);

The first travel compensator (401) is spaced from the live wire electrical connection plate (302); the second travel compensator (402) is spaced from the neutral wire electrical connection plate (301);

The zero-wire electrical connection pressing piece (301) is provided with an insulating structure on a side facing the second wire-entry spring piece (202); the hot-wire electrical connection pressing piece (302) is facing the first wire-entry spring piece (201) ) Is provided with an insulating structure on one side; the insulating structure may be a plastic sheet or an insulating coating.
The travel-compensated safety socket according to claim 1, wherein the elastic element (5) is a spring, a spring sheet or a spring bar.
The travel-compensated safety socket according to any one of claims 1 to 14, the method for realizing safety protection and normal use is:

When the FireWire socket is inserted into the object, the FireWire electrical connection clamp (302) in the FireWire socket is displaced by the pin; when the FireWire electrical connection clamp (302) moves to the maximum stroke, the FireWire Electrical connection clamp (302) It is not in contact with the first incoming elastic piece (201), and at the same time, the compensating member pressing part (41) on the second stroke compensating member (402) that is linked to the live wire electrical connection pressing piece (302) is extruded by an insulating contact method. The second incoming elastic piece (202) is inclined toward the neutral electrical connection pressing piece (301), but the second incoming elastic piece (202) is not in contact with the neutral electrical connecting pressure piece (301); The electrical connection pressing piece (3) is not electrically connected to the incoming spring piece (2), so it is not powered, thereby achieving safety protection;

When the pins are inserted into the neutral and hot wire sockets at the same time, the neutral electric connection clamp (301) and the hot wire electrical connection clamp (302) move to the maximum displacement respectively under the action of the pins. At this time, they are separately connected with the neutral wire. The travel compensators (4) associated with the connection clamps (301) or the hot-wire electrical connection clamps (302) squeeze their respective wire-entry springs (2), so that the wire-entry springs (2) are electrically connected to the corresponding hot-wires. The pressing piece (302) and the neutral wire connecting piece (301) are deflected to compensate the live wire connecting piece (302) and the neutral wire connecting piece (301) and the corresponding incoming elastic piece (2) to realize the electrical connection. Need to be displaced, and finally achieve electrical connection, so that the circuit path;

or,

When the FireWire socket is inserted into the object, the FireWire electrical connection clamp (302) in the FireWire socket is displaced by the pin; when the FireWire electrical connection clamp (302) moves to the maximum stroke, the FireWire Electrical connection clamp (302) The first wire-entering spring (201) is squeezed by means of insulation contact, so that the first wire-entering spring (201) is deflected toward the compensating member pressing part (41) on the first stroke compensating member (401), but not with The pressing part (41) of the compensating element is in contact; at the same time, the pressing part (41) of the compensating element on the second stroke compensating element (402) that is connected to the hot wire electrical connection pressing piece (302) is electrically connected to the pressing wire ( 302), moved closer to the second incoming spring (202), but not electrically connected to the second incoming spring (202); at this time, the electrical connection pressing piece (3) in the socket is not connected to the incoming spring (2) ) Electrical connection, so no power is applied to achieve safety protection;

When the pins are inserted into the neutral wire and the live wire socket at the same time, the neutral wire electrical connection pressing piece (301) and the hot wire electrical connection pressing piece (302) move to the maximum displacement respectively under the action of the pin. At this time, the second incoming shrapnel (202) and the first incoming shrapnel (201) are moved closer to the corresponding travel compensator (4) under the insulation and compression of the neutral electrical connection clamp (301) and the live electrical connection clamp (302), respectively, to compensate The compensating part pressing part (41) on the travel compensating part (4) and the corresponding wire feed spring (2) realize the required displacement of the electrical connection, and finally realize the electrical connection respectively so as to make the circuit path.