CN219458101U - Novel three-core standard socket - Google Patents

Abstract

The utility model discloses a novel three-core standard socket, which belongs to the field of sockets and comprises a base, wherein three groups of conducting cores are inserted into an inner cavity of the base, a protective shell is inserted into the top end of each conducting core, and the protective shell is connected with the top surface of the base through a first locking screw; the second locking screw for the outer connection cable is rotationally connected to the top end of each group of the conducting core and positioned on the surface of the protective shell, the base comprises a shell, three groups of stepped positioning pipes are arranged in the cavity of the shell, a limit screw pipe is arranged on one side of each group of the stepped positioning pipes in the cavity of the shell, the base also comprises a fixing ring arranged in the middle of the outer wall surface of the shell, and the installation can be completed rapidly only by pressing the cold-pressed terminal on the tail end of the cable to be connected and then screwing the second locking screw, so that the whole space of the socket can be saved, the use safety of the socket can be ensured, and meanwhile, the external contact pin can be conveniently and rapidly inserted.

Description

Novel three-core standard socket

Technical Field

The utility model relates to the field of sockets, in particular to a novel three-core standard socket.

Background

The three-hole socket standard is a ground wire, a left zero line (N) and a right live wire (L), and generally, single-phase electric equipment, particularly mobile electric equipment, should all use a three-core plug and a three-hole socket matched with the three-core plug, the volume of the current three-core standard socket is larger, a line pressing hole is mostly adopted in the market along an axis on a female needle, then a compression screw hole is radially formed, and a dislocation structure is needed for convenience in wiring.

However, the length of the whole socket is long, so that the internal space of the device is seriously occupied, and the volume and the appearance performance of the device are finally affected, so that a novel three-core standard socket is provided to solve the problems.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the novel three-core standard socket, which can be installed quickly by only pressing a cold-pressed terminal on the tail end of a cable to be connected and then screwing a second locking screw, so that the whole space of the socket can be saved, the use safety of the socket can be ensured, and meanwhile, the external contact pin can be conveniently and quickly plugged.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The novel three-core standard socket comprises a base, wherein three groups of conducting cores are inserted in an inner cavity of the base, a protective shell is inserted in the top end of each conducting core, and the protective shell is connected with the top surface of the base through a first locking screw;

and a second locking screw used for an external connection cable is rotatably connected to the top end of each group of the conductive cores and positioned on the surface of the protective shell.

Further, the base comprises a shell, three groups of stepped positioning pipes are arranged in the inner cavity of the shell, and limit screwed pipes are arranged on one side of each group of stepped positioning pipes in the inner cavity of the shell.

Further, the base also comprises a fixing ring arranged in the middle of the outer wall surface of the shell, and mounting holes are formed in four corners of the surface of the fixing ring.

Further, the conducting core comprises a female needle, four groups of expansion sheets are annularly arranged at one end of the female needle, clamping grooves for inserting the protective shell are formed in two sides of the other end of the female needle, and positioning screw holes for rotationally connecting the second locking screws are formed in the surface of the other end of the female needle.

Further, each group of expansion sheet outer wall and keep away from female needle one end and set up flutedly, the expansion sheet outside sets up in being used for cup jointing the metal collar on the recess.

Further, each group of the inner walls of the expansion pieces and one end far away from the female needle are provided with arc-shaped surfaces.

Further, the protective shell comprises a rear cover, three groups of containing grooves are annularly arranged on the surface of the rear cover, and clamping holes for clamping the top ends of the female needles are formed in the inner cavities of the containing grooves;

and limiting holes for inserting the first locking screws are formed in one side of each group of accommodating grooves on the surface of the rear cover.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, when the three-core standard socket is required to be assembled, the three groups of conductive cores are firstly placed in the three groups of stepped positioning pipes in the base respectively, so that the conductive cores can be initially stored in the shell, then the rear cover in the protective shell is covered on the top surface of the shell, the clamping grooves at the top ends of the female pins are clamped with the clamping holes in the rear cover in an inserting mode, the first locking screws penetrating through the limiting holes are arranged on the rotating limiting screw, the rear cover can be fixed on the top surface of the shell, and the rear cover and the shell can clamp and fix the conductive cores, so that the post-stage conductive cores and the external contact pins are convenient to insert and connect stably.

(2) According to the scheme, when the three-core standard socket is required to be used, only the cold-pressed terminal is required to be pressed on the tail end of the cable to be connected, then the cold-pressed terminal is placed in the accommodating groove on the rear cover, the cold-pressed terminal is located on the clamping hole, then the second locking screw is rotated, the cold-pressed terminal can be installed on the locating screw hole formed in the top end of the female pin, the cold-pressed terminal can be rotated and pressed to be fixed, the cable can be installed quickly, the cable and the female pin can be connected into a whole, and as the three groups of accommodating grooves are annularly arranged on the surface of the rear cover, the three groups of external cables are led out in a scattered mode, the whole space of the socket can be saved, the distances between the female pins and the cables in different positions can be increased, and the electric safety performance can be improved.

(3) According to the scheme, the four groups of expansion sheets are annularly arranged at one end of the female pin, and the tail ends of the four groups of expansion sheets are connected through the metal clamping ring in a clamping manner, so that when an external contact pin is inserted into the stepped positioning tube from the bottom of the shell, the contact pin can prop up the four groups of expansion sheets, meanwhile, the metal clamping ring is contracted inwards under the elasticity of the contact pin, and then the contact pin can be tightly wrapped by the four groups of expansion sheets, so that the stability of the contact pin in a conductive core can be improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is a schematic view of a base structure of the present utility model;

FIG. 4 is a schematic diagram of a conductive core structure of the present utility model;

FIG. 5 is a schematic side view of a conductive core of the present utility model;

fig. 6 is a schematic view of the structure of the protective shell of the present utility model.

The reference numerals in the figures illustrate:

1. a base; 101. a housing; 102. a stepped positioning tube; 103. a limit screw tube; 104. a fixing ring; 2. a conductive core; 201. a female needle; 202. an expansion sheet; 203. a clamping groove; 204. positioning screw holes; 205. a groove; 206. a metal collar; 207. an arc surface; 3. a protective shell; 301. a rear cover; 302. a receiving groove; 303. a clamping hole; 304. a limiting hole; 4. a first locking screw; 5. and a second locking screw.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-2, a novel three-core standard socket comprises a base 1, wherein three groups of conductive cores 2 are inserted into an inner cavity of the base 1, a protective shell 3 is inserted into the top end of each conductive core 2, and the protective shell 3 is connected with the top surface of the base 1 through a first locking screw 4;

a second locking screw 5 for an external connection cable is rotatably connected to the top end of each group of conductive cores 2 and positioned on the surface of the protective shell 3.

Referring to fig. 3, the base 1 includes a housing 101, three sets of stepped positioning tubes 102 are disposed in an inner cavity of the housing 101, and a limit screw 103 is disposed in the inner cavity of the housing 101 and located at one side of each set of stepped positioning tubes 102, and three sets of conductive cores 2 can be placed respectively through the three sets of stepped positioning tubes 102 in the base 1, so that the housing 101 can primarily store the conductive cores 2, and then the protective shell 3 can be mounted at the top end of the housing 101 through the limit screw 103 in cooperation with a first locking screw 4.

Referring to fig. 3, the base 1 further includes a fixing ring 104 disposed in the middle of the outer wall surface of the casing 101, and mounting holes are formed at four corners of the surface of the fixing ring 104, and the casing 101 can be fixed at a specified position through the fixing ring 104 and the mounting holes, so that the stability of use of the three-core standard socket can be ensured.

Referring to fig. 2, 4 and 5, the conductive core 2 includes a female pin 201, one end of the female pin 201 is provided with four groups of expansion pieces 202 in a ring, two sides of the other end of the female pin 201 are provided with clamping grooves 203 for inserting the protecting case 3, the surface of the other end of the female pin 201 is provided with positioning screw holes 204 for rotationally connecting the second locking screw 5, and the female pin 201 in the conductive core 2 can be clamped on the protecting case 3 through the clamping grooves 203 and can also be matched with the four groups of expansion pieces 202 to package and clamp the inserted contact pin.

Referring to fig. 4 and 5, a groove 205 is formed in an outer wall of each group of expansion pieces 202 and at one end far away from the female pin 201, the outer sides of the expansion pieces 202 are arranged on a metal collar 206 sleeved on the groove 205, when an external contact pin is inserted into the stepped positioning tube 102 from the bottom of the housing 101, the contact pin can open the four groups of expansion pieces 202, and meanwhile, the metal collar 206 is contracted inwards under the elasticity of the contact pin, so that the contact pin can be tightly wrapped by the four groups of expansion pieces 202, and the stability of the contact pin inserted into the conductive core 2 can be improved.

Referring to fig. 5, an arc surface 207 is disposed on an end of each group of expansion pieces 202 away from the female pin 201, so that the pins can be conveniently inserted into the four groups of expansion pieces 202, the pins cannot be caused to jack up the expansion pieces 202, and the safety of inserting the pins into the socket is ensured.

Referring to fig. 2, 4 and 6, the protective case 3 includes a rear cover 301, three groups of accommodating grooves 302 are annularly arranged on the surface of the rear cover 301, a clamping hole 303 for clamping the top end of the female needle 201 is formed in the inner cavity of each group of accommodating grooves 302, and a limiting hole 304 for inserting the first locking screw 4 is formed in the surface of the rear cover 301 and located at one side of each group of accommodating grooves 302;

through the draw-in hole 303 in the protective case 3, can cooperate with draw-in groove 203 on female needle 201 top, can play spacing to female needle 201, then through first locking screw 4, can install back lid 301 on the shell 101 top through spacing hole 304 to through the three sets of holding tank 302 that the ring was established, can make external cable be the scattered form and go out the line, can save the whole space of socket, can make female needle 201 and cable distance very wide in different positions again, can also increase the clearance of each cable, promote electrical safety.

When in use: when the three-core standard socket is required to be assembled, firstly, three groups of conducting cores 2 are respectively placed in three groups of stepped positioning pipes 102 in a base 1, so that the shell 101 can initially store the conducting cores 2, then a rear cover 301 in a protective shell 3 is covered on the top surface of the shell 101, a clamping groove 203 at the top end of a female pin 201 is spliced and clamped with a clamping hole 303 on the rear cover 301, and along with the rotation of a first locking screw 4 which is arranged on a limit screw 103 and penetrates through a limit hole 304, the rear cover 301 can be fixed on the top surface of the shell 101, and further the rear cover 301 and the shell 101 can be clamped and fixed for the conducting cores 2, so that the stability of splicing of the rear conducting cores 2 and external contact pins is facilitated;

when the three-core standard socket is required to be used, only the cold-pressed terminal is pressed on the tail end of the cable to be connected, then the cold-pressed terminal is placed in the accommodating groove 302 on the rear cover 301, the cold-pressed terminal is positioned on the clamping hole 303, then the second locking screw 5 is rotated, the cold-pressed terminal can be installed on the positioning screw hole 204 formed in the top end of the female pin 201, and can be rotated, pressed and fixed, the installation of the cable can be completed quickly, the cable and the female pin 201 can be connected into a whole, and as the three groups of accommodating grooves 302 are annularly arranged on the surface of the rear cover 301, the three groups of external cables can be scattered, the whole space of the socket can be saved, the distances between the female pins 201 and the cables in different positions are very wide, the gaps of the cables can be increased, and the electrical safety performance is improved;

because female needle 201 one end is encircled and is equipped with four sets of expansion piece 202 to four sets of expansion piece 202 terminal links to each other through metal collar 206 block, so when outside contact pin inserts in step type positioning tube 102 from shell 101 bottom, the contact pin can strut four sets of expansion piece 202 this moment, simultaneously metal collar 206 inwards shrink under self elasticity, and then can make four sets of expansion piece 202 closely parcel contact pin, so that can improve contact pin grafting at conduction core 2 stability, because expansion piece 202 inner wall and be kept away from female needle 201 one end are provided with arcwall 207, thereby can make things convenient for the contact pin to insert in four sets of expansion piece 202, and then can not cause the contact pin jack-up expansion piece 202, guaranteed the safety of contact pin grafting at the socket, through retainer plate 104 and mounting hole, can fix shell 101 in the assigned position, and then can guarantee three-core standard socket stability of using.

The above is only a preferred embodiment of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (7)

1. The utility model provides a novel three-core standard socket which characterized in that: the novel electric heating device comprises a base (1), wherein three groups of conducting cores (2) are inserted into an inner cavity of the base (1), a protective shell (3) is inserted into the top end of each conducting core (2), and the protective shell (3) is connected with the top surface of the base (1) through a first locking screw (4);

and a second locking screw (5) for an external connection cable is rotatably connected to the top end of each group of the conductive cores (2) and positioned on the surface of the protective shell (3).

2. The novel three-core standard socket according to claim 1, wherein: the base (1) comprises a shell (101), three groups of stepped positioning pipes (102) are arranged in the inner cavity of the shell (101), and limit screwed pipes (103) are arranged on one side of each group of stepped positioning pipes (102) in the inner cavity of the shell (101).

3. A novel three-core standard socket according to claim 2, wherein: the base (1) further comprises a fixing ring (104) arranged in the middle of the outer wall surface of the shell (101), and mounting holes are formed in four corners of the surface of the fixing ring (104).

4. The novel three-core standard socket according to claim 1, wherein: the conductive core (2) comprises a female needle (201), four groups of expansion sheets (202) are annularly arranged at one end of the female needle (201), clamping grooves (203) for inserting the protective shell (3) are formed in two sides of the other end of the female needle (201), and positioning screw holes (204) for rotationally connecting the second locking screws (5) are formed in the surface of the other end of the female needle (201).

5. The novel three-core standard socket according to claim 4, wherein: each group of expansion sheet (202) outer wall and keep away from female needle (201) one end and set up recess (205), expansion sheet (202) outside sets up in being used for cup jointing metal collar (206) on recess (205).

6. The novel three-core standard socket according to claim 4, wherein: and an arc-shaped surface (207) is arranged at one end, far away from the female needle (201), of the inner wall of each group of expansion sheets (202).

7. The novel three-core standard socket according to claim 4, wherein: the protective shell (3) comprises a rear cover (301), three groups of accommodating grooves (302) are annularly arranged on the surface of the rear cover (301), and clamping holes (303) used for clamping the top ends of the female needles (201) are formed in the inner cavities of the accommodating grooves (302);

limiting holes (304) for inserting the first locking screws (4) are formed in the surface of the rear cover (301) and located on one side of each group of the containing grooves (302).