Elastic sheet locking power connector device

Abstract

The utility model discloses an elastic sheet locking power supply connector device which comprises a power supply connector main body, a metal elastic sheet is arranged in the power supply connector main body, a limiting through hole is arranged on the metal elastic sheet, and when a plug earth pole pin is inserted into the limiting through hole, the limiting through hole is locked by the metal elastic sheet. An interference force is applied to the contact surface of the metal elastic sheet and the plug earth pole pin under the action of the elastic force of the metal elastic sheet, so that the plug earth pole pin is prevented from being directly pulled out; when the insulation button is pressed, the metal elastic sheet overcomes the self elastic force to generate displacement, and the interference force between the limiting through hole and the contact surface of the plug earth pole pin is relieved, so that the plug earth pole pin is directly pulled out. The technical scheme is reasonable in structural design, simple in structure, reliable in connection with the power plug, convenient to use and good in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to power connector technical field, concretely relates to a spring piece locking power connector device. BACKGROUND

[0002] Electrical equipment used in a home or office environment can be connected to the mains supply by means of a power cord that plugs into a mains wall socket at one end. Instead of a permanent wiring, the end of the power cord at the other end can be a cord socket into which a mating plug can be plugged. When the plug is provided on the chassis of the equipment, it is referred to as a chassis plug or a panel plug. The most common example of such a power connector is a power connector that complies with the standards defined in the International Electrotechnical Commission (IEC) specification IEC 60320, and in particular the C13-C14 connectors used with personal computer equipment and peripherals. Some types of power connectors are also available in the form of cord plugs and panel sockets, but these types are less common. In the IEC specification, the term "connector" refers to the cord socket (or panel socket), and the term "power inlet" refers to the panel plug (or cord plug).

[0003] The IEC standard includes two and three conductor plugs with different current capacities and temperature ratings, which are designed specifically for the purpose of connecting the mains power cord to the electrical equipment. One of the main advantages of the IEC connector standard is that it allows the use of interchangeable mains power cords, and the equipment manufacturers can easily sell their equipment all over the world, as long as their equipment works on 120 / 240 volt, 50 / 60 Hz mains supply.

[0004] The existing power connector structure still has some deficiencies, and the defects are that: due to the unreasonable design of the existing power connector structure, the power connector and the power plug are easily pulled out when subjected to external force, which leads to the separation of the power connector and the power plug, and this situation may occur when the equipment is moved or force is applied on the connecting wire, which will affect the stable transmission of the power supply, and even may cause power failure, equipment failure and other serious problems, and the practicability is poor. SUMMARY

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a spring piece locking power connector device which has reasonable structure design, simple structure, reliable connection with the power plug, convenient use and good practicability.

[0006] In order to achieve the above object, the utility model provides a shell fragment locking power connector device, including power connector main part, the metal shell fragment is arranged in the power connector main part, the metal shell fragment is provided with the limit through -hole, when the plug ground pole pin is inserted into the limit through -hole, the metal shell fragment is contacted with the plug ground pole pin's contact surface under the self elastic force and applies an interference, thereby preventing the plug ground pole pin from being directly pulled out.

[0007] The utility model further sets up: the front end of power connector main part is provided with outer recess, the metal shell fragment is provided with many section bending parts, one fulcrum is arranged in the power connector main part, the head of metal shell fragment is arranged on the fulcrum, and the tail of metal shell fragment is stretched out to the outside of power connector main part by passing through the outer recess, and the tail of metal shell fragment is provided with an insulating button, when the insulating button is pressed, the metal shell fragment is displaced by overcoming the self elastic force, and the interference of limit through -hole and the contact surface of plug ground pole pin is removed, so that the plug ground pole pin is directly pulled out.

[0008] The utility model further sets up: the elastic force of metal shell fragment is separated from the part structure and the whole of metal shell fragment itself, and is realized by being in the yield state, the metal shell fragment is integrally provided with shell fragment reinforcing convex rib close to limit through -hole end, and the power connector main part is provided with convex rib limit recess in the position of shell fragment reinforcing convex rib alignment, the first bending section is provided with second bending section in the lower end of the first bending section away from shell fragment reinforcing convex rib end, the third bending section is provided with button connecting portion in the upper end of the third bending section away from the first bending section end.

[0009] The utility model further sets up: the front end surface of power connector main part is provided with a plurality of pin through -hole for connecting power plug, and the pin through -hole includes ground pole pin through -hole, and the limit through -hole is provided in the position of ground pole pin through -hole alignment.

[0010] The utility model further sets up: the front end surface of power connector main part is provided with button through -hole, and the insulating button is arranged in the button through -hole, and the inner end of insulating button is connected with button connecting portion, and the metal shell fragment is driven to deform by pressing insulating button and releases plug ground pole pin.

[0011] The utility model further sets up: the rear end of power connector main part is detachably provided with a rear cover, and the rear cover is integrally provided with a limit convex rib in the position of shell fragment reinforcing convex rib alignment in the rear cover, and the bottom middle position of metal shell fragment is formed into a downward bending elastic reset member by cutting, and the limit convex rib in the rear cover is used for limiting shell fragment reinforcing convex rib, so as to prevent the front end of metal shell fragment from moving forward and backward and up and down when rotating.

[0012] The utility model further sets up: the rear cover is provided with a plurality of conductive insert piece, and the inner end of each conductive insert piece is fixedly provided with a conductive insert sleeve, and the opening of each conductive insert sleeve is aligned with a pin through hole.

[0013] The utility model further sets up: the rear end of power connector main part is fixed through buckle joint or is fixed through bolt connection or is fixed through screw connection with the rear cover.

[0014] The utility model has the advantages of reasonable structure design compared with prior art, and the front end of power connector main part is provided with power plug, the plug ground pin is fixed on the power plug, when the plug ground pin is inserted into the limiting through hole, the metal spring piece exerts an interference force on the contact surface of the plug ground pin under the action of its own elastic force, thereby preventing the plug ground pin from being directly pulled out.

[0015] When the insulating button is pressed, the metal spring piece is displaced against its own elastic force, the interference force of the limiting through hole and the contact surface of the plug ground pin is removed, so that the plug ground pin can be directly pulled out. The structure is simple, the connection with the power plug is reliable, the use is convenient, and the practicality is good.

[0016] The utility model will be further described below in combination with the drawings and specific embodiments. DRAWINGS

[0017] Figure 1 It is the structure schematic drawing of the utility model embodiment;

[0018] Figure 2 It is the explosion schematic drawing of the utility model embodiment;

[0019] Figure 3 It is the structure schematic drawing of the metal spring piece of the utility model embodiment;

[0020] Figure 4 It is the local section view schematic drawing of the utility model embodiment;

[0021] Figure 5 It is the local section view schematic drawing of the utility model embodiment when the plug ground is inserted;

[0022] Figure 6 It is the section view schematic drawing of the metal spring piece locking plug ground pin of the utility model embodiment;

[0023] Figure 7 It is the section view schematic drawing of the utility model embodiment when the control button is pressed;

[0024] Figure 8 It is the section view schematic drawing of the utility model embodiment when the control button is released;

[0025] Figure 9 Structure schematic view of power connector main body of the utility model embodiment;

[0026] Figure 10 Structure schematic view of partial structure before control button pressing of the utility model embodiment;

[0027] Figure 11 Structure schematic view of partial structure before control button pressing of the utility model embodiment. DETAILED DESCRIPTION

[0028] In the description of the embodiment, it needs to be explained that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back" and the like appear, the indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, if the terms "first", "second", "third" appear, they are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] Referring to Figures 1 to 11 The utility model discloses a shell lock power connector device, including power connector main body 1, the power connector main body 1 is provided with metal shell 3, be provided with the limiting through -hole 31 on metal shell 3, when the plug ground pole pin is inserted into limiting through -hole 31, metal shell 3 is contacted with the interference force of plug ground pole pin's contact surface under the action of its own elastic force, thereby preventing plug ground pole pin directly pulling out.

[0030] As preferred, the power connector main body 1 front end is provided with power plug, and the power plug is fixedly provided with plug ground pole pin 2.

[0031] The front end of the power connector main body 1 is provided with an outer groove, the metal shell 3 is provided with multiple bending parts, the power connector main body 1 is provided with a fulcrum, the head of the metal shell 3 is arranged on the fulcrum, the tail of the metal shell 3 is extended to the outside of the power connector main body 1 by passing through the outer groove, and the tail of the metal shell 3 is provided with an insulating button 4; when the insulating button 4 is pressed, the metal shell 3 is displaced by overcoming its own elastic force, the interference force of the limiting through -hole 31 and the contact surface of the plug ground pole pin is removed, so that the plug ground pole pin is directly pulled out.

[0032] The utility model discloses a structure design is more reasonable, as preferred, the elastic force of metal elastic sheet 3 is separated from the partial structure and the whole of metal elastic sheet itself, and make it be realized in yield state, metal elastic sheet 3 is integrally provided with elastic sheet reinforcing bead 32 close to the one end of spacing through -hole, and the main part of power connector 1 is provided with the bead limiting recess 12 in the position of elastic sheet reinforcing bead, and the main part of power connector 1 is provided with the bead limiting recess 12 in the position of elastic sheet reinforcing bead,

[0033] The first bending section 33 is provided with the second bending section 34 at the lower end away from the elastic sheet reinforcing bead end, and the second bending section 34 is provided with the third bending section 35 upward at the end away from the first bending section, and the third bending section 35 is provided with the button connecting part 36 at the upper end.

[0034] The front end surface of the main part of power connector 1 is provided with a plurality of pin through -holes for connecting the power plug, and the pin through -hole includes the ground pin through -hole 11, and the spacing through -hole 31 is arranged in the position of the ground pin through -hole 11.

[0035] The front end surface of the main part of power connector 1 is provided with the button through -hole 13, and the button through -hole 13 is provided with the insulating button 4, and the inner end of the insulating button 4 is connected with the button connecting part 36, and the metal elastic sheet 3 is driven to deform and loosen the plug ground pin 2 by pressing the insulating button 4.

[0036] The rear end of the main part of power connector 1 is detachably provided with a rear cover 5, and the rear cover 5 is integrally provided with a limiting bead 51 in the position of the elastic sheet reinforcing bead 32 in the rear cover 5, and the bottom middle position of the metal elastic sheet 3 is formed into a downward bending elastic reset part 37 by cutting, and the limiting bead 51 in the rear cover 5 limits the elastic sheet reinforcing bead 32, so as to prevent the front end of the metal elastic sheet 3 from moving forward and backward and up and down when rotating.

[0037] As preferred, the metal elastic sheet 3 is provided with the elastic sheet reinforcing bead 32 on both sides of the front end. The end close to the spacing through -hole of the metal elastic sheet 3 is the front end, that is, the head of the metal elastic sheet 3.

[0038] The rear cover 5 is provided with a plurality of conductive inserts 6, and each conductive insert 6 is fixedly provided with a conductive insert sleeve 7 at the inner end, and the opening of each conductive insert sleeve 7 is arranged in the position of a pin through -hole.

[0039] The rear end of the main part of power connector 1 and the rear cover 5 are fixed by buckle clamping or fixed by bolt connection or fixed by screw connection.

[0040] In actual application, the power connector body 1 is provided with a power plug at the front end, and a plug ground pin 2 is fixedly arranged on the power plug; when the plug ground pin 2 is inserted into the limiting through hole 31, the metal spring piece 3 applies an interference force to the contact surface of the plug ground pin 2 under the action of the elastic force of the metal spring piece 3, so as to prevent the plug ground pin 2 from being directly pulled out;

[0041] When the insulating button 4 is pressed, the metal spring piece 3 is displaced by overcoming the elastic force of the metal spring piece 3, the interference force of the limiting through hole 31 to the contact surface of the plug ground pin 2 is removed, and the plug ground pin 2 can be directly pulled out.

[0042] The above embodiment is only used for further illustrating the utility model, and cannot be understood as limiting the protection scope of the utility model; the skilled in the art can make some non-essential improvements and adjustments to the utility model according to the content of the utility model, and the improvements and adjustments fall within the protection scope of the utility model.

Claims

1. A spring tab locking power connector device comprising a power connector body (1), characterized in that: The power connector body (1) is provided with a metal spring (3), the metal spring (3) is provided with a limiting through hole (31), when the plug ground pin is inserted into the limiting through hole (31), the metal spring (3) exerts an interference force on the contact surface of the plug ground pin under the action of its own elastic force, thereby preventing the plug ground pin from being directly pulled out.

2. A spring lock power connector device as claimed in claim 1, wherein: The front end of the power connector body (1) is provided with an outer groove, the metal spring (3) is provided with multiple bending sections, the power connector body (1) is provided with a fulcrum, the head of the metal spring (3) is arranged on the fulcrum, the tail of the metal spring (3) extends out of the power connector body (1) by passing through the outer groove, and the tail of the metal spring (3) is provided with an insulating button (4); when the insulating button (4) is pressed, the metal spring (3) is displaced against its own elastic force, the interference force of the limiting through hole (31) on the contact surface of the plug ground pin is removed, and the plug ground pin is directly pulled out.

3. A spring lock power connector device as claimed in claim 2, wherein: The elastic force of the metal spring (3) is realized by separating part of the structure of the metal spring from the whole and placing it in a yield state; the metal spring (3) is integrally provided with a spring reinforcing protruding rib (32) near the limiting through hole end, the power connector body (1) is provided with a protruding rib limiting groove (12) at a position aligned with the spring reinforcing protruding rib; the metal spring (3) is provided with a first bending section (33) downwardly away from the spring reinforcing protruding rib end, the first bending section (33) is provided with a second bending section (34) downwardly away from the spring reinforcing protruding rib end, the second bending section (34) is provided with a third bending section (35) upwardly away from the first bending section end, and the third bending section (35) is provided with a button connecting portion (36) at the upper end. The front end surface of the power connector body (1) is provided with a plurality of pin through holes for connecting the pins of a power plug, the pin through holes include a ground pin through hole (11), and the limiting through hole (31) is arranged at a position aligned with the ground pin through hole (11).

4. A spring lock power connector device as claimed in claim 3, wherein: The front end surface of the power connector body (1) is provided with a button through hole (13), the button through hole (13) is provided with an insulating button (4), the inner end of the insulating button (4) is connected with the button connecting portion (36), and the metal spring (3) is driven to deform and release the plug ground pin (2) by pressing the insulating button (4).

5. A spring lock power connector device as claimed in claim 4, wherein: The rear end of the power connector body (1) is detachably provided with a rear cover (5), the rear cover (5) is integrally provided with a limiting protruding rib (51) at a position aligned with the spring reinforcing protruding rib (32) in the rear cover (5); the bottom middle position of the metal spring (3) is formed into an elastic reset member (37) by cutting, the spring reinforcing protruding rib (32) is limited by the limiting protruding rib (51) in the rear cover (5), thereby preventing the front end of the metal spring (3) from moving forward and backward and up and down when the metal spring (3) rotates.

6. A spring lock power connector device as claimed in claim 5, wherein: The rear cover (5) is provided with a plurality of conductive inserts (6), each conductive insert (6) is fixedly provided with a conductive insert sleeve (7) at the inner end, and the opening of each conductive insert sleeve (7) is aligned with a pin through hole.

7. A spring lock power connector device as claimed in claim 6, wherein: ​ 8. A spring lock power connector device as claimed in claim 7, wherein: The rear end of the power connector body (1) is fixed with the rear cover (5) through snap joint or fixed through bolt connection or fixed through screw connection.

Images