CN215869929U - Socket protective cover - Google Patents

Abstract

The utility model belongs to the technical field of power socket protection devices, in particular to a socket protection cover, which comprises a base, wherein a positioning hole is formed in the base; the rotating sheet is rotatably arranged on the base and provided with a limiting hole; the reset piece is arranged on the rotating sheet to drive the rotating sheet to reset and covers the outer side of the positioning hole; the middle part of the base is provided with a rotating shaft, the middle part of the rotating piece is provided with a central hole, a first gap exists between the central hole and the rotating shaft, and when the rotating piece rotates by taking the axis of the rotating shaft as a shaft, the limiting hole is aligned with the positioning hole in the rotating process to open the protective cover; the outer peripheral edge of the rotor is provided with a first limiting part, the base is provided with a second limiting part, and when the rotor eccentrically rotates relative to the axis of the rotating shaft, the first limiting part is in contact with the second limiting part in the rotating process of the rotor to limit the rotation of the rotor. The utility model aims to provide a socket protective cover which is simple in structure and can be normally rotated and opened to enhance the safety performance when a rotating sheet rotates by taking the axis of a rotating shaft as a shaft.

Description

Socket protective cover

Technical Field

The utility model belongs to the technical field of power socket protection devices, and particularly relates to a socket protection cover.

Background

The socket is a common object in life and is an indispensable component in each room, and the socket on the socket is often exposed, which is very dangerous for some children without safety awareness or greedy, and electric shock is likely to occur when touching the socket or inserting fingers.

Chinese utility model bulletin number: CN205565089U discloses a socket protective cover, which can be inserted into a socket to prevent children from directly touching the jack, but since the protective cover is directly inserted into the jack of the socket, the whole protective cover needs to be removed and then a plug is inserted for use, the operation is complicated, and the protective cover needs to be purchased again after being removed, if the protective cover is improperly stored, the protective cover is easily lost, which is troublesome;

to the above-mentioned not enough, provided a novel socket protection device in chinese utility model publication No. CN209001208U, its simple structure can block the jack and increase the security when not using the socket to need not to lift whole protection device off can direct normal use socket when using the socket. Above-mentioned utility model provides a product still has certain hidden danger in-service use, and the spacing hole application of force that only goes to one side can also promote whole rotor and rotate promptly, makes the jack expose gradually, if the infant can open protection device with the rotor promotion if insert the spacing downthehole promotion rotor of one side with the finger, the security performance still lacks to some extent.

Disclosure of Invention

The utility model aims to provide a socket protective cover which is simple in structure and can be normally rotated and opened to enhance the safety performance when a rotating sheet rotates by taking the axis of a rotating shaft as a shaft.

The purpose of the utility model is realized as follows:

a socket protection cover comprises

The base is provided with a positioning hole corresponding to the socket on the socket;

the rotating piece is rotatably arranged on the base and is provided with a limiting hole for inserting the inserting piece of the plug;

the reset piece is arranged on the rotating sheet to drive the rotating sheet to reset and covers the outer side of the positioning hole;

the middle part of the base is provided with a rotating shaft, the middle part of the rotating piece is provided with a central hole, a first gap exists between the central hole and the rotating shaft, and when the rotating piece rotates by taking the axis of the rotating shaft as a shaft, the limiting hole is aligned with the positioning hole in the rotating process so as to open the protective cover;

the rotor is characterized in that a first limiting part is arranged on the peripheral edge of the rotor, a second limiting part is arranged on the base, and when the rotor rotates eccentrically relative to the axis of the rotating shaft, the first limiting part contacts with the second limiting part in the rotating process of the rotor to limit the rotation of the rotor.

The first limiting part and the second limiting part are at least provided with one pair, and in each pair of the first limiting part and the second limiting part, the distance which the first limiting part passes through when rotating from the initial position to contact with the second limiting part is d; and the distance which the central point of the limiting hole passes when the central point of the limiting hole rotates from the initial position to the position coincident with the central point of the positioning hole is D, wherein D is less than D.

Further, in an initial state, with the axis of the rotating shaft as a center, the radius of the arc where the vertex of the first limiting part is located is R1, the radius of the arc where the vertex of the second limiting part is located is R2, R1 is less than R2, and the difference between R2 and R1 is less than or equal to the length of the first gap.

The base is further provided with a mounting groove for mounting the rotor, and the second limiting part is arranged on the side wall of the mounting groove; the tail end of the rotating sheet is provided with a limiting clamping sheet, the side wall of the mounting groove is further formed with a limiting blocking table matched with the limiting clamping sheet, and when the limiting clamping sheet is attached to the limiting blocking table, the limiting hole is rotated to the position hole and aligned with the positioning hole.

Further, an outer cover is covered on the base, the rotating sheet is located between the outer cover and the base, a guide hole is formed in the outer cover, and the positioning hole and the limiting hole are located in the guide hole.

The rotating shaft is formed in the middle of the outer cover, and a reset clamping groove for the reset piece to penetrate is formed in the rotating shaft.

Further, the reset piece is a torsion spring or an S-shaped elastic wire, the rotating piece is provided with an installation position for installing the torsion spring or the S-shaped elastic wire, and a cover plate is arranged outside the installation position.

The positioning holes comprise a zero line positioning hole and a live line positioning hole which are respectively corresponding to a zero line socket and a live line socket on the socket; the limiting hole comprises a zero line limiting hole and a live wire limiting hole which respectively correspond to the zero line positioning hole and the live wire positioning hole.

The positioning hole comprises a grounding positioning hole corresponding to a grounding wire socket on the three-phase socket, and the outer cover is provided with a grounding jack corresponding to the grounding positioning hole.

Further set up as, the slot that can supply to hand is seted up to the side of base, and the base back is equipped with sticky goods layer, base, rotor and enclosing cover are the part that insulating material made.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:

1. the central hole of the rotor plate is in clearance fit with the rotating shaft, when the rotor plate is used, the rotor plate can slightly move due to single-point stress (for example, force is only applied to the limiting hole on one side), so that the central line of the central hole on the rotor plate is deviated from the axis of the rotating shaft and is not collinear, in this state, the rotor plate eccentrically rotates relative to the axis of the rotating shaft, the first limiting part can be contacted with the second limiting part in the rotating process to limit the rotation of the rotor plate, the socket hole in the positioning hole is prevented from being exposed, the safety of the protective cover can be improved through the structural arrangement, and the protective cover is prevented from being easily opened due to mistaken collision of an infant. When the central line of the central hole on the rotor is collinear with the axis of the rotating shaft (for example, the central line is aligned with two limiting holes on the rotor to apply force at the same time), the rotor can rotate by taking the axis of the rotating shaft as a shaft, at the moment, the first limiting part cannot be contacted with the second limiting part, so that the rotor normally rotates until the limiting holes are superposed with the positioning holes to open the protective cover, and the plug-in piece of the plug can be inserted into the socket hole; when taking out the plug, the rotor resets under the effect of piece that resets, and the rotor blocks the jack hole and promotes the security this moment, also can prevent to use in the socket that the dust got into the socket for a long time simultaneously, keeps clean.

2. When the socket is installed, the base is only required to be pasted with viscose or other stickable articles, the positioning hole on the base is aligned with the jack on the socket and is pasted on the surface of the socket, and meanwhile, the socket can also be directly used as a part of the socket and is produced and installed together with the socket, the whole structure is not required to be disassembled in the using process, the loss is avoided, and the socket is very convenient.

3. The distance which the first limiting part passes when rotating from the initial position to contact with the second limiting part is smaller than the distance which the central point of the limiting hole passes when rotating from the initial position to coincide with the central point of the positioning hole, so that the rotating sheet cannot reach the state that the limiting hole is aligned with the positioning hole in the rotating process when the single side is stressed, the positioning hole is prevented from being completely exposed, and the safety is enhanced.

4. The rotating sheet is provided with the limiting clamping sheet corresponding to the limiting clamping table on the base, when the limiting clamping sheet rotates to the limiting clamping table, the limiting clamping sheet cannot rotate continuously under the blocking of the limiting clamping table, at the moment, the limiting hole is aligned to the positioning hole, a prompt is given to a user, the plug can be inserted into the socket, and the prompting and limiting effects are achieved.

5. According to the utility model, the outer cover is covered on the base, and the guide hole is formed in the outer cover, so that the rotation stroke of the insertion piece of the plug is controlled in the guide hole, the damage caused by the strong insertion of the insertion piece after the insertion piece rotates over the head is avoided, meanwhile, the phenomenon that the rotary piece is blocked due to the fact that long-time dust enters the rotary piece can also be avoided, and the service life of the device is prolonged.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention.

FIG. 2 is a second schematic structural diagram of the present invention.

Fig. 3 is a reference view showing a state where the rotor of the present invention is located at the initial position.

Fig. 4 is a schematic front view of the rotor of the present invention in an initial position.

Fig. 5 is a partially enlarged view of a portion a of fig. 4.

FIG. 6 is a schematic view showing the state of the rotor of the present invention when it is turned on.

FIG. 7 is a schematic view of the front side of the rotary plate of the present invention when it is turned on.

Fig. 8 is a schematic view showing a state in which the rotor of the present invention eccentrically rotates with respect to the axis of the rotating shaft.

Fig. 9 is a partially enlarged view of fig. 8 at B.

FIG. 10 is a schematic view of the structure of the outer cover of the present invention.

Fig. 11 is an exploded view of the structure of the present invention.

Detailed Description

The utility model will be further described in the following with reference to specific embodiments thereof, with reference to figures 1-11,

as shown in fig. 1 and 2, a socket protection cover includes a base 1, a positioning hole 11 corresponding to a socket on a socket is formed on the base 1, a rotating assembly is cooperatively arranged on the base 1, the rotating assembly includes a rotor 2 and a reset piece 3, a limiting hole 21 for inserting an insertion piece of a plug is formed on the rotor 2, and when the plug is inserted into the limiting hole 21 and the rotor 2 is rotated, the plug can be inserted into the socket after the limiting hole 21 is aligned with the positioning hole 11; and an installation groove 13 for installing the rotary piece 2 is formed in the base 1. The size of the limiting hole is almost the same as that of the positioning hole, the positions of the limiting hole and the positioning hole are different, two limiting holes are arranged corresponding to a zero line and a live line of a household line and are respectively located on two sides of the base and the rotary piece, when the rotary piece does not rotate, the closed area of the rotary piece covers the positioning hole (shown in figure 3), the positioning hole and a socket are prevented from being exposed outside, and the limiting hole can coincide with the positioning hole (shown in figure 4) in the rotating process, so that a plug is enabled to be inserted into the positioning hole, and then the plug is inserted into the socket.

The middle part of the base 1 is provided with a rotating shaft 4, the middle part of the rotor 2 is provided with a central hole 22 for the rotating shaft 4 to pass through, when the rotating shaft 4 is inserted into the central hole 22, the rotating shaft and the central hole are in clearance fit, namely the aperture of the central hole is slightly larger than the outer diameter of the rotating shaft, so that a clearance is formed between the rotating shaft and the central hole, and the clearance is small and does not influence the rotation of the rotor.

2 peripheral edges of rotor plate are equipped with first spacing portion 23, the interior edge of mounting groove 13 of base 1 is equipped with spacing portion 12 of second, as shown in fig. 4 and 5, when the rotor plate is located initial position, the circular arc at first spacing portion 23 outer end summit place is L1, and its radius is R1, the circular arc at the spacing portion 12 outer end summit place of second is L2, and its radius is R2, and R2 slightly is greater than R1, exists clearance two between L2 and the L1 promptly, and the length of clearance two (R2-R1) is less than or equal to the length of clearance one to guarantee that first spacing portion of rotor plate and the spacing portion of second can contact after removing in-process of rotation. As shown in fig. 3, the first position-limiting portion is a side of the slot, and the second position-limiting portion is a side of the bump.

When the central line of the central hole 22 is collinear with the axis of the rotating shaft 4, that is, when the rotor plate 2 rotates with the axis of the rotating shaft 4 as the axis, the rotor plate 2 can rotate until the limiting hole 21 is aligned with the positioning hole 11, so as to open the protective cover; when the central line of the central hole 22 is not collinear with the axis of the rotating shaft 4 (because the central hole 22 is in clearance fit with the rotating shaft, when a single point of the rotor is stressed, for example, only one of the limiting holes is pushed, the rotor slightly moves to one side due to the action of the thrust, so that the axis of the central hole 22 and the axis of the rotating shaft 4 are offset, and the two are not collinear, at this time, the rotor 2 eccentrically rotates relative to the axis of the rotating shaft 4), the first limiting portion 23 contacts with the second limiting portion 12 during the rotation process to limit the rotor 2 to continuously rotate along the original direction (as shown in fig. 6).

The first position-limiting portion 23 and the second position-limiting portion 12 are at least provided with one pair, preferably two pairs or three pairs, as shown in the figure, the embodiment is three pairs, wherein two pairs are respectively provided near the position-limiting hole 21; in each pair of the first position-limiting portion 23 and the second position-limiting portion 12, a distance d is covered by the first position-limiting portion 23 when the first position-limiting portion 23 rotates from the initial position to contact with the second position-limiting portion 12; the distance that the central point of the limiting hole 21 passes from the initial position to the central point of the positioning hole 11 when the central point rotates to coincide with the central point is D, wherein D < D, and D is set to be smaller than D, so that in the process that the rotor is stressed by a single point to rotate, the limiting hole stops continuing to rotate under the action of the first limiting part and the second limiting part when the central point does not coincide with the positioning hole, and the positioning hole cannot be opened completely to expose the socket hole, as shown in fig. 6, when the first limiting part and the second limiting part are contacted, only a small part of the positioning hole is exposed or the positioning hole is not exposed completely, and the safety is ensured. In the present embodiment, as shown in fig. 3, the first limiting portion 23 and the second limiting portion 12 are respectively a side edge of a groove disposed at an edge of the rotor and a protrusion disposed on an inner side wall of the mounting groove 13.

The tail end of rotor 2 is provided with spacing card 24, mounting groove 13 lateral wall still the shaping have with spacing card 24 matched with spacing fender platform 14, when spacing card 24 laminating is on spacing fender platform 14, spacing hole 21 changes to locating hole 11 top and aligns in order to open the visor, at this moment, presses the plug and can insert the plug-in strip in the socket.

Still be stamped on the base 1 and be equipped with enclosing cover 5, rotor 2 is located between enclosing cover 5 and the base 1, the guiding hole 51 has been seted up on enclosing cover 5, locating hole 11 all is located guiding hole 51 with spacing hole 21, and the rotation stroke control of spacing hole 21 is in the guiding hole. The rotating shaft 4 is formed in the middle of the outer cover 5, the rotating shaft 4 penetrates through the central hole 22 to be inserted into the central position of the base 1, and the rotating shaft 4 is provided with a reset clamping groove 41 for the reset piece 3 to penetrate through. The reset piece 3 is a torsion spring or an S-shaped elastic wire (as shown in fig. 9), the rotor 2 is provided with an installation position 25 for installing the torsion spring or the S-shaped elastic wire, a cover plate 26 is arranged outside the installation position, two ends of the S-shaped elastic wire are located in the installation position 25, and a connecting part at the middle end of the S-shaped elastic wire is clamped in the reset clamping groove 41. When the rotating piece rotates, the S-shaped elastic wire rotates along with the rotating piece, and when the plug is pulled out, the S-shaped elastic wire drives the rotating piece to reset under the restoring force of the S-shaped elastic wire. The enclosing cover 5 links to each other with base 1, and pivot 4 and enclosing cover 5 integrated into one piece, when rotor 4 and S type elastic wire are at the rotation in-process, and pivot 4 all keeps static with enclosing cover and base, because S type elastic wire middle part card is in the draw-in groove 41 that resets, therefore S type elastic wire can produce elasticity by the torsion in-process, and after the plug was extracted, the rotor lost external force, revolves under the elasticity of S type elastic wire orders about and resets.

The positioning holes 11 comprise a zero line positioning hole and a live line positioning hole which respectively correspond to a zero line socket and a live line socket on the socket; the limit hole 21 comprises a zero line limit hole and a live wire limit hole which respectively correspond to the zero line locating hole and the live wire locating hole.

The positioning hole 11 comprises a grounding positioning hole 15 corresponding to a grounding wire socket on the three-phase socket, and the outer cover 5 is provided with a grounding jack 52 corresponding to the grounding positioning hole.

The side edges of the base 1 and the outer cover 5 are provided with grooves 16 for holding by hands, and the back surface of the base 1 is provided with an adhesive product layer.

According to the arrangement mode and the number of the positioning holes, the plug can be used together with a two-phase socket and a three-phase socket, and meanwhile, as the positioning holes and the limiting holes are round holes, the plug sheet of the plug or the socket can be used in an inclined design (the live wire and zero line socket in some three-phase sockets is in an inclined design) or a vertical design, so that the application range is wide; the base, the rotating sheet, the limiting piece and the protective cover are all made of insulating materials, so that the device is safe and reliable.

Under the condition of applying force to the unilateral limiting hole, the rotor can make the first limiting part and the second limiting part contact in the rotating process, so that the rotor cannot rotate continuously to open the protective cover; the rotor can be smoothly rotated until the limiting holes are completely overlapped with the positioning holes to open the protective cover only under the condition that the limiting holes on the two sides apply force simultaneously, so that the protective cover is prevented from being easily opened by an infant, and the safety is enhanced.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A socket protection cover comprises

The socket comprises a base (1) and a socket body, wherein a positioning hole (11) corresponding to a socket on the socket body is formed in the base;

the rotating piece (2) is rotatably arranged on the base (1) and is provided with a limiting hole (21) for inserting the inserting piece of the plug;

the resetting piece (3) is arranged on the rotating sheet (2) to drive the rotating sheet (2) to reset and covers the positioning hole (11);

the method is characterized in that:

the middle of the base (1) is provided with a rotating shaft (4), the middle of the rotating piece (2) is provided with a central hole (22), a first gap exists between the central hole (22) and the rotating shaft, and when the rotating piece (2) rotates by taking the axis of the rotating shaft (4) as a shaft, the limiting hole (21) is aligned with the positioning hole (11) in the rotating process to open the protective cover;

the peripheral edge of rotor (2) is equipped with first spacing portion (23), be equipped with spacing portion of second (12) on base (1), when rotor (2) carries out eccentric rotation for the axis of pivot (4) relatively, first spacing portion (23) rotate the in-process at the rotor and contact with the rotation of restriction rotor with spacing portion of second (12).

2. The jack protection cover of claim 1, wherein: at least one pair of the first limiting part (23) and the second limiting part (12) is arranged, and in each pair of the first limiting part (23) and the second limiting part (12), the distance which the first limiting part (23) passes when rotating from the initial position to contact with the second limiting part (12) is d; the distance that the central point of the limiting hole (21) passes when rotating from the initial position to the central point of the positioning hole (11) is D, wherein D is less than D.

3. The jack protection cover of claim 1, wherein: in an initial state, the axis of the rotating shaft is taken as a center, the radius of an arc where the vertex of the first limiting part is located is R1, the radius of an arc where the vertex of the second limiting part is located is R2, R1 is less than R2, and the difference between R2 and R1 is less than or equal to the width of the first gap.

4. The jack protection cover of claim 1, wherein: the base (1) is provided with an installation groove (13) for installing the rotary piece (2), and the second limiting part (12) is arranged on the side wall of the installation groove (13); the tail end of rotor (2) is provided with spacing card (24), mounting groove (13) lateral wall still the shaping have with spacing card (24) matched with spacing fender platform (14), when spacing card (24) laminating was kept off on platform (14) spacing, spacing hole (21) are changeed to locating hole (11) top and are aligned.

5. The jack protection cover of claim 1, wherein: still cover on base (1) and be equipped with enclosing cover (5), rotor (2) are located between enclosing cover (5) and base (1), guiding hole (51) have been seted up on enclosing cover (5), locating hole (11) all are located guiding hole (51) with spacing hole (21).

6. The jack protection cover of claim 5, wherein: the rotating shaft (4) is formed in the middle of the outer cover (5), and a reset clamping groove (41) for the reset piece (3) to penetrate is formed in the rotating shaft (4).

7. The jack protection cover of any one of claims 1-5, wherein: the reset piece (3) is a torsion spring or an S-shaped elastic wire, the rotating piece (2) is provided with an installation position (25) for installing the torsion spring or the S-shaped elastic wire, and a cover plate (26) is arranged on the outer side of the installation position.

8. The jack protection cover of any one of claims 1-5, wherein: the positioning holes (11) comprise a zero line positioning hole and a live line positioning hole which respectively correspond to a zero line socket and a live line socket on the socket; the limiting hole (21) comprises a zero line limiting hole and a live wire limiting hole which respectively correspond to the zero line positioning hole and the live wire positioning hole.

9. The jack protection cover of claim 5, wherein: the positioning hole (11) comprises a grounding positioning hole (15) corresponding to a grounding wire socket on the three-phase socket, and the outer cover (5) is provided with a grounding jack (52) corresponding to the grounding positioning hole (15).

10. The jack protection cover of claim 5, wherein: the side of base (1) is seted up and is supplied handheld groove, and base (1) back is equipped with the sticky goods layer, base (1), rotor (2) and enclosing cover (5) are the part that insulating material made.

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