CN213460225U

CN213460225U - Power plug with protection device

Info

Publication number: CN213460225U
Application number: CN202022577168.2U
Authority: CN
Inventors: 赵雷
Original assignee: Kazhe Electronic Machinery Taicang Co ltd
Current assignee: Kazhe Electronic Machinery Taicang Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-15
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a power plug with protection device, including the power plug main part, the left side of power plug main part is provided with the power cord cover, the shrink groove has all been seted up to the upper and lower two of the right side surface of power plug main part, the groove of accomodating has all been seted up to two of the front and back of the right side surface of power plug main part, the right side of power plug main part is provided with the protection casing, the protection casing includes the guard plate, the position that the surface of guard plate corresponds participating in has seted up the bar hole, the right-hand member nestification of participating in is downthehole in the bar, the upper and lower edge of guard plate all is fixed with the movable plate, the left end nestification of movable plate is in the shrink inslot, the. The utility model discloses a when power plug main part does not use, participate in the nestification in the protection casing, the protection casing can effectually protect participating in, avoids participating in the quilt and is damaged, has improved the life who participates in.

Description

Power plug with protection device

Technical Field

The utility model relates to a power plug field, concretely relates to power plug with protection device.

Background

A power plug refers to a device that connects a device such as an electrical appliance to a power source. The power supply socket and the plug are different in appearance, grade, size and kind according to the region of the country. Each country has standards set by the government. The power plug is called a power line plug, and English is powerplug. Is used in various fields, various countries. The power plug can be used at voltages of 250V, 125V and 36V according to different purposes of the power plug, and can be used at 16A, 13A, 10A, 5A and 2.5A according to different currents. The frequency is typically 50/60 Hz.

At present, pins of the existing power plug are exposed outside, and the existing power plug is not provided with a protection device, is easy to collide with other objects when being placed and is easy to damage.

Therefore, it is necessary to invent a power plug with a protection device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power plug with protection device, be provided with the protection casing through the right side in the power plug main part, when the power plug main part does not use, participate in nestification in the protection casing, the protection casing can effectually protect participating in, avoid participating in the quilt and damaged, the life who participates in has been improved, when the power plug main part uses, protection casing atress shrink is in the power plug main part, the protection casing adopts the polyurethane material to make, insulating properties has, can avoid when inserting electricity user mistake touch participating in, the security has been improved, and the protection casing is installed in the power plug main part, be difficult to lose, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: a power plug with a protection device comprises a power plug main body, wherein a power cord sleeve is arranged on the left side of the power plug main body, pins are symmetrically inserted on the right side of the power plug main body, shrinkage grooves are formed in the upper portion and the lower portion of the right side surface of the power plug main body, a sliding groove is formed in one side wall, close to the outer side, of each shrinkage groove, limiting holes are formed in the upper side and the lower side of the power plug main body and communicated with the sliding grooves, accommodating grooves are formed in the front portion and the rear portion of the right side surface of the power plug main body, a protection cover is arranged on the right side of the power plug main body and comprises protection plates, strip-shaped holes are formed in the surfaces of the protection plates corresponding to the pins, the right ends of the pins are embedded in the strip-shaped holes, the pins are in sliding connection with the strip-shaped holes, the left end nestification of movable plate is in contracting the inslot, the left end of movable plate is connected with the slider, the upper end nestification of slider is in the spout, sliding connection between slider and spout, the upside of slider is seted up flutedly, the inside nestification of recess has spacing spring, the upper end of spacing spring is connected with the stopper, the upper end of stopper sets up to the hemisphere, stopper and spacing hole phase-match, the internally mounted in contracting the groove has the spring, the left end of spring and the left side wall connection in contracting the groove, the right-hand member of spring is connected with the slider, the front and back edge of guard plate all is fixed with the protection shield, the protection shield is with the size phase-match in accomodating the groove.

Preferably, the protection plate and the moving plate are integrally processed through a die, and the protection plate, the protection plate and the moving plate are all made of polyurethane materials.

Preferably, the moving plate is in sliding connection with the contraction groove, and the moving plate is fixedly connected with the sliding block.

Preferably, the lower end of the limiting spring is fixedly connected with the groove, the upper end of the limiting spring is fixedly connected with the bottom of the limiting block, and the limiting block is slidably connected with the groove.

Preferably, the left side edge of the protection plate is nested in the accommodating groove, and the protection plate is in sliding connection with the accommodating groove.

Preferably, the installation cavity has been seted up to the inside of power plug main part, the relay is installed to the left end of installation cavity, the relay sets up to direct current relay, the right-hand unit piece that is provided with of relay, the right-hand temperature sensor that is provided with of unit piece, temperature sensor's the right-hand bee calling organ that is provided with, four sides of relay, unit piece, temperature sensor and bee calling organ all are provided with the locating piece, fixed connection between the back lateral wall of locating piece and installation cavity.

Preferably, electric connection between the output of temperature sensor and the input of single-machine piece, electric connection between the output of single-machine piece respectively and the input of bee calling organ and relay, two the right-hand member of participating in is all nested in the installation intracavity, two the right-hand member of participating in all is connected with first wire, electric connection between the one end of participating in and relay is kept away from to first wire, the output of relay is provided with the second wire, the quantity of second wire is provided with two, two the relay is kept away from to the second wire one end is nested in the power cord cover.

Preferably, the upper side wall and the lower side wall of the installation cavity are fixed with clamping blocks at equal intervals, a clamping groove is formed in the front side of each clamping block, and the first wire is clamped in the clamping groove.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the protective cover is arranged on the right side of the power plug main body, when the power plug main body is not used, the plug pins are nested in the protective cover, the protective cover can effectively protect the plug pins, the plug pins are prevented from being damaged, the service life of the plug pins is prolonged, when the power plug main body is used, the protective cover is stressed and contracted in the power plug main body, the protective cover is made of polyurethane materials, the protective cover has insulating property, the plug pins can be prevented from being touched by a user by mistake when power is plugged, the safety is improved, and the protective cover is arranged on the power plug main body and is not easy to lose;

2. install the relay through the installation intracavity at the power plug main part, the single-chip, temperature sensor and bee calling organ, detect the temperature in the installation intracavity through temperature sensor, when the temperature reaches predetermined value, bee calling organ rings earlier and reminds the user to make preparation, then relay open circuit, prevent that the too high temperature in installation intracavity from burning out the circuit in the installation intracavity, the security of power plug main part use has been improved, the relay adopts direct current relay, reduce the switch action time, higher reliability and temperature toleration have, guarantee timely open circuit.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 5 is a rear side view of the present invention with the protective cover removed.

Description of reference numerals:

the power plug comprises a power plug main body 1, a power line sleeve 2, a pin 3, a mounting cavity 4, a relay 5, a single-chip 6, a temperature sensor 7, a buzzer 8, a first lead 9, a second lead 10, a positioning block 11, a clamping block 12, a shrinkage groove 13, a sliding groove 14, a movable plate 15, a protection plate 16, a strip-shaped hole 17, a spring 18, a limiting hole 19, a sliding block 20, a groove 21, a limiting spring 22, a limiting block 23, a storage groove 24, a protection plate 25 and a protection cover 26.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a power plug with a protection device as shown in figures 1-5, which comprises a power plug main body 1, wherein a power cord sleeve 2 is arranged on the left side of the power plug main body 1, pins 3 are symmetrically inserted on the right side of the power plug main body 1, shrinkage grooves 13 are respectively arranged on the upper part and the lower part of the right side surface of the power plug main body 1, a sliding groove 14 is arranged on one side wall of the shrinkage groove 13 close to the outer edge, limiting holes 19 are respectively arranged on the upper side and the lower side of the power plug main body 1, the limiting holes 19 are communicated with the sliding grooves 14, accommodating grooves 24 are respectively arranged on the front part and the rear part of the right side surface of the power plug main body 1, a protection cover 26 is arranged on the right side of the power plug main body 1, the protection cover 26 comprises a protection plate 16, a strip-shaped hole 17 is arranged on the surface of the protection plate 16 corresponding to the position, the pin 3 is in sliding connection with the strip-shaped hole 17, the upper edge and the lower edge of the protection plate 16 are both fixed with a movable plate 15, the left end of the movable plate 15 is nested in the contraction groove 13, the left end of the movable plate 15 is connected with a slide block 20, the upper end of the slide block 20 is nested in the slide groove 14, the slide block 20 is in sliding connection with the slide groove 14, the upper side of the slide block 20 is provided with a groove 21, a limit spring 22 is nested in the groove 21, the upper end of the limit spring 22 is connected with a limit block 23, the upper end of the limit block 23 is hemispherical, the limit block 23 is matched with a limit hole 19, a spring 18 is installed in the contraction groove 13, the left end of the spring 18 is connected with the left side wall of the contraction groove 13, the right end of the spring 18 is connected with the slide block 20, and the, the protection plate 25 is matched with the size of the receiving groove 24.

Further, in the above technical scheme, the protection plate 25, the protection plate 16 and the moving plate 15 are integrally processed by a die, the protection plate 25, the protection plate 16 and the moving plate 15 are all made of polyurethane materials, so that the connection strength among the protection plate 25, the protection plate 16 and the moving plate 15 is improved, the polyurethane materials have insulating properties, a user can be prevented from mistakenly touching the pins during power plug-in through the protection plate 25, the protection plate 16 and the moving plate 15, and the safety is improved.

Further, in the above technical solution, the moving plate 15 is slidably connected with the shrinkage groove 13, and the moving plate 15 is fixedly connected with the slider 20, so that when the moving plate 15 slides in the shrinkage groove 13, the slider 20 can be driven to move.

Further, in the above technical scheme, fixed connection between the lower end of limiting spring 22 and groove 21, the upper end of limiting spring 22 and the bottom fixed connection of limiting block 23, sliding connection between limiting block 23 and groove 21 promotes limiting block 23 through limiting spring 22, so that the top end of limiting block 23 can stretch out of groove 21, limiting block 23 is pressed downwards, limiting block 23 extrudes limiting spring 22, and limiting block 23 can be contracted in groove 21.

Further, in the above technical solution, the left side edge of the protection plate 25 is nested in the receiving groove 24, and the protection plate 25 and the receiving groove 24 are connected in a sliding manner, so that the protection plate 25 can move in the receiving groove 24.

The implementation mode is specifically as follows: the protection cover 26 is arranged on the right side of the power plug main body 1, when the power plug main body 1 is not used, the plug pin 3 is nested in the protection cover 26, the protection cover 26 can effectively protect the plug pin 3, the plug pin 3 is prevented from being damaged, the service life of the plug pin 3 is prolonged, when the power plug main body 1 is used, the protection plate 16 on the protection cover 26 is firstly contacted with a socket, in the extrusion process, the plug pin 3 penetrates through the strip-shaped hole 17 to be inserted into the socket, the protection plate 16 is stressed to push the moving plate 15, the moving plate 15 drives the sliding block 20 to move to extrude the spring 18 until the limiting block 23 on the sliding block 20 is nested in the limiting hole 19 under the elastic force of the limiting spring 22 to limit the sliding block 20, so that the protection cover 26 is prevented from moving and popping out, after the power plug main body 1 is pulled out, the limiting block, the slider 20 is pushed in the limited of contact under the spring action of spring 18, slider 20 promotes the movable plate 15, and movable plate 15 drives protection plate 16 and moves for protection is taken off to participating in 3 to protection, and protection casing 26 installs on power plug main part 1, is difficult to lose, and this embodiment has specifically solved the power plug's that exists among the prior art that participating in exposes outside, does not have protector, collides with other article easily when placing, the problem of easy damage.

As shown in fig. 1, in the above technical scheme, a mounting cavity 4 has been seted up to the inside of power plug main part 1, relay 5 is installed to the left end of mounting cavity 4, relay 5 sets up to direct current relay, relay 5's the right-hand unit piece 6 that is provided with, the right-hand temperature sensor 7 that is provided with of unit piece 6, the right-hand buzzer 8 that is provided with of temperature sensor 7, four sides of relay 5, unit piece 6, temperature sensor 7 and buzzer 8 all are provided with locating piece 11, fixed connection between locating piece 11 and the rear side wall of mounting cavity 4.

Further, in the above technical scheme, electric connection between the output of temperature sensor 7 and the input of single-machine piece 6, electric connection between the output of single-machine piece 6 and the input of buzzer 8 and relay 5 respectively, two the right-hand member of participating in 3 all nestedly in installation cavity 4, two the right-hand member of participating in 3 all is connected with first wire 9, electric connection between the one end of participating in 3 and relay 5 is kept away from to first wire 9, the output of relay 5 is provided with second wire 10, the quantity of second wire 10 is provided with two, two the one end nestification that relay 5 was kept away from to second wire 10 is in power cord cover 2.

Further, in the above technical scheme, the upper side wall and the lower side wall of the installation cavity 4 are fixed with the fixture blocks 12 at equal intervals, the front side of the fixture block 12 is provided with the wire clamping groove, the first wire 9 is clamped in the wire clamping groove, so that the first wire 9 is fixed, the first wire 9 is convenient to wire, and the first wire 9 is prevented from colliding with other electrical components.

The implementation mode is specifically as follows: a relay 5, a single machine piece 6, a temperature sensor 7 and a buzzer 8 are arranged in an installation cavity 4 of a power plug main body 1, positioning blocks 11 are arranged on four sides of the relay 5, the single machine piece 6, the temperature sensor 7 and the buzzer 8 so as to be convenient for clamping and fixing the relay 5, the single machine piece 6, the temperature sensor 7 and the buzzer 8, the relay 5, the single machine piece 6, the temperature sensor 7 and the buzzer 8 are stably and firmly installed, the relay 5, the single machine piece 6, the temperature sensor 7 and the buzzer 8 form a monitoring circuit, the temperature sensor 7 detects the temperature in the installation cavity 4, when the temperature reaches a preset value, the temperature sensor 7 sends information to the single machine piece 6, the single machine piece 6 controls the buzzer 8 to sound first to remind a user of preparing, then the single machine piece 6 controls the relay 5 to break the circuit, and the situation that the circuit in the installation cavity 4 is burnt out due to overhigh temperature in the installation cavity 4 is prevented, the safety of power plug main part 1 use has been improved, relay 5 adopts direct current relay, reduce the switch action time, higher reliability and temperature toleration have, guarantee timely disconnect circuit, power plug main part 1's life has been improved, this embodiment has specifically solved the power plug that exists among the prior art and generally does not have excess temperature protect function, under the long-time heavy current charging condition of electrical apparatus, lead to power plug wire overload work extremely easily, the inside temperature of power plug risees rapidly, easy high temperature burns out the power plug wire, cause the problem of incident.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a power plug with protection device, includes power plug main part (1), its characterized in that: the power plug is characterized in that a power line sleeve (2) is arranged on the left side of the power plug main body (1), the pins (3) are symmetrically inserted into the right side of the power plug main body (1), the upper and lower parts of the right side surface of the power plug main body (1) are both provided with shrinkage grooves (13), one side wall of each shrinkage groove (13) close to the outer edge is provided with a sliding groove (14), the upper and lower sides of the power plug main body (1) are both provided with limiting holes (19), the limiting holes (19) are communicated with the sliding grooves (14), the front and rear parts of the right side surface of the power plug main body (1) are both provided with accommodating grooves (24), the right side of the power plug main body (1) is provided with a protective cover (26), the protective cover (26) comprises a protective plate (16), the surface of the protective plate (16) is provided with strip-shaped holes (17) corresponding to the positions of the pins (3), and the, the pin (3) and the strip-shaped hole (17) are connected in a sliding manner, the upper edge and the lower edge of the protection plate (16) are fixed with a movable plate (15), the left end of the movable plate (15) is nested in the shrinkage groove (13), the left end of the movable plate (15) is connected with a sliding block (20), the upper end of the sliding block (20) is nested in the sliding groove (14), the sliding block (20) is connected with the sliding groove (14) in a sliding manner, a groove (21) is formed in the upper side of the sliding block (20), a limiting spring (22) is nested in the groove (21), the upper end of the limiting spring (22) is connected with a limiting block (23), the upper end of the limiting block (23) is hemispherical, the limiting block (23) is matched with the limiting hole (19), a spring (18) is arranged in the shrinkage groove (13), and the left end of the spring (18) is connected with the left side wall of the, the right end of the spring (18) is connected with the sliding block (20), the front edge and the rear edge of the protection plate (16) are respectively fixed with a protection plate (25), and the protection plates (25) are matched with the accommodating grooves (24) in size.

2. A power plug with a protection device according to claim 1, wherein: the protective plate (25), the protective plate (16) and the moving plate (15) are integrally processed through a die, and the protective plate (25), the protective plate (16) and the moving plate (15) are all made of polyurethane materials.

3. A power plug with a protection device according to claim 1, wherein: the movable plate (15) is in sliding connection with the contraction groove (13), and the movable plate (15) is fixedly connected with the sliding block (20).

4. A power plug with a protection device according to claim 1, wherein: fixed connection between the lower extreme of spacing spring (22) and recess (21), the upper end of spacing spring (22) and the bottom fixed connection of stopper (23), sliding connection between stopper (23) and recess (21).

5. A power plug with a protection device according to claim 1, wherein: the left side edge of the protection plate (25) is nested in the containing groove (24), and the protection plate (25) is in sliding connection with the containing groove (24).

6. A power plug with a protection device according to claim 1, wherein: installation cavity (4) have been seted up to the inside of power plug main part (1), relay (5) are installed to the left end of installation cavity (4), relay (5) set up to direct current relay, the right-hand singlechip (6) that is provided with of relay (5), the right-hand temperature sensor (7) that is provided with of singlechip (6), the right-hand buzzer (8) that is provided with of temperature sensor (7), four sides of relay (5), singlechip (6), temperature sensor (7) and buzzer (8) all are provided with locating piece (11), fixed connection between the back lateral wall of locating piece (11) and installation cavity (4).

7. A power plug with a protection device according to claim 6, wherein: electric connection between the output of temperature sensor (7) and the input of single piece (6), electric connection between the output of single piece (6) and the input of buzzer (8) and relay (5) respectively, two the right-hand member of participating in (3) is all nested in installation cavity (4), two the right-hand member of participating in (3) all is connected with first wire (9), electric connection between the one end of participating in (3) and relay (5) is kept away from in first wire (9), the output of relay (5) is provided with second wire (10), the quantity of second wire (10) is provided with two, two the one end that relay (5) were kept away from in second wire (10) is nested in power line cover (2).

8. The power plug with protection device of claim 7, wherein: the mounting structure is characterized in that clamping blocks (12) are fixed on the upper side wall and the lower side wall of the mounting cavity (4) at equal intervals, a clamping groove is formed in the front side of each clamping block (12), and the first wire (9) is clamped in the clamping groove.