CN220342081U - Telescopic charging adapter with rotation limiting function - Google Patents

Abstract

The utility model discloses a telescopic charging adapter with rotation limiting, which comprises an adapter main body, a fixed shell, a rotation connecting seat and a pin assembly, wherein the adapter main body is provided with a pin assembly; the top of the fixed shell is provided with a through hole, and the inner top surface is provided with a rotation limiting piece; the rotary connecting seat is fixedly arranged at the upper part of the adapter main body and is rotatably sleeved in the fixed shell; the pin assembly can be vertically movably fixed on the rotary connecting seat; when the adapter is used, the adapter body drives the rotary connecting seat to rotate to the first position, and at the moment, the pin assembly extends out of the through hole; when not using this application to make the adapter main part drive the rotation connecting seat and rotate to the second position, at this moment, in the pin subassembly was retracted to the via hole, can not be by foreign object collision leads to deformation, be difficult for gluing pollutants such as dust, and it holds the little article that still be difficult for fish tail user knapsack in placing in the user knapsack, sets up and rotates the locating part and makes the rotation connecting seat rotate only between first position and second position, and it can not endlessly rotate and lead to the turning out.

Description

Telescopic charging adapter with rotation limiting function

Technical Field

The utility model relates to the technical field of electronic products, in particular to a telescopic charging adapter with rotation limiting function.

Background

The power adapter is also called an external power supply, is a power supply voltage conversion device of small portable electronic equipment and electronic appliances, and is used for supplying power to small electronic products such as mobile phones, liquid crystal displays, notebook computers and the like.

The corresponding small electronic products mostly adopt low-voltage batteries, and the power adapter for charging is equivalent to a small transformer, so that the mains supply is converted into low voltage meeting the battery requirements, and the corresponding small electronic products are charged.

For the power adapter with the electric connection pins commonly used in the prior art, the arranged electric connection pins are usually fixed outside the corresponding power adapter, and the arranged electric connection pins are always exposed outside the corresponding power adapter no matter whether the power adapter is used or not, so that on one hand, the exposed electric connection pins can deform when being collided by foreign objects and the like, thereby influencing the normal use of the power adapter, on the other hand, the exposed electric connection pins are easy to be stained with dust or other pollutants, the pollutants can follow the electric connection pins to enter the power strip, the use of the power strip is influenced, serious even electric shock danger can occur, and small objects such as a mobile phone, an electronic watch and a tablet personal computer placed in the knapsack of a user are easily scratched by the exposed electric connection pins when the power adapter with the electric connection pins is arranged in the knapsack of the user.

In this regard, the present inventors have combined with their working experience, through the extension of the questions encountered during the work, the turning over of a great deal of scientific research data and literature, and the searching and updating through the website of the national intellectual property office, gradually conceived and designed the present application, so as to solve the relevant technical problems.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the utility model aims to provide a telescopic charging adapter with a rotation limit.

In order to achieve one of the above objects, a retractable charging adapter with rotation limitation according to an embodiment of the present utility model includes an adapter body, a fixed housing having a lower portion formed to be opened, a rotation connection base, and a pin assembly;

the top of the fixed shell is provided with a through hole penetrating into the fixed shell, and the inner top surface of the fixed shell is provided with a rotation limiting part for stopping and limiting the rotation of the rotation connecting seat between a first position and a second position; the rotary connecting seat is fixedly arranged at the upper part of the adapter main body and is sleeved in the fixed shell in a circumferential rotary manner; the pin assembly is electrically connected with the adapter main body and can be fixedly arranged on the rotary connecting seat in an up-and-down movable manner;

when the adapter body drives the rotary connecting seat to rotate to the first position, the pin assembly extends upwards to the outside of the through hole; when the adapter body drives the rotary connecting seat to rotate to the second position, the pin assembly is retracted downwards into the through hole.

In addition, the telescopic charging adapter with rotation limiting according to the above embodiment of the present utility model may further have the following additional technical features:

according to one embodiment of the utility model, the adapter body comprises a rotating shell with an upper part formed to be open and a main control component fixedly arranged in the rotating shell;

the rotary connecting seat is fixedly arranged at the upper opening of the rotary shell, and is provided with a connecting electric connecting sheet which extends into the rotary shell and is connected with the main control assembly; the pin assembly is electrically connected with the electric connection sheet.

According to one embodiment of the utility model, the rotary connecting seat comprises a bottom cover plate, a screw rod which is upwards and fixedly arranged in the middle of the upper end surface of the bottom cover plate, and a first rotating plate and a second rotating plate which are upwards and fixedly arranged on the upper end surface of the bottom cover plate and are oppositely arranged on two sides of the screw rod in a separated mode; the distance from the first rotating plate to the screw is equal to the distance from the second rotating plate to the screw, the upper and lower length of the first rotating plate is longer than that of the second rotating plate, and the part of the upper part of the first rotating plate, which is longer than that of the second rotating plate, is formed into a rotating bulge;

the rotation limiting piece comprises a first stop limiting piece and a second stop limiting piece; the rotating protrusion can rotate between the first stop limiting block and the second stop limiting block;

when the adapter main body drives the rotary connecting seat to rotate to the first position, the rotary protrusion is abutted against the first stop limiting block; when the adapter body drives the rotary connecting seat to rotate to the second position, the rotary protrusion abuts against the second stop limiting block.

According to one embodiment of the utility model, the pin assembly comprises a rotating block and two pins which are upwards and fixedly arranged on the upper end surface of the rotating block;

the rotating block is screwed outside the screw rod, and two electric protruding parts correspondingly connected to the two pins are arranged on the outer wall of the rotating block oppositely; the inner wall of the first rotating plate and the inner wall of the second rotating plate are respectively provided with the electric connection sheet; two through holes are oppositely formed in the top of the fixed shell;

when the adapter body drives the rotary connecting seat to rotate to the first position, the two pins correspondingly extend out of the two through holes upwards; the two electric connection convex parts correspondingly abut against the inner surfaces of the two electric connection sheets.

According to one embodiment of the utility model, the inner surfaces of the two electric connection sheets are respectively outwards recessed to form an electric connection groove; when the adapter body drives the rotary connecting seat to rotate to the first position, the two power connection protrusions correspondingly abut against the two power connection grooves.

According to one embodiment of the utility model, the main control assembly is provided with a charging interface downwards, and the lower bottom surface of the rotary shell is provided with a socket for exposing the charging interface.

According to one embodiment of the utility model, the rotary block further comprises a locking block for locking the rotary block; the locking piece is detachably and fixedly arranged at the top of the screw rod, and the outer diameter of the locking piece is larger than that of the screw rod.

According to one embodiment of the utility model, two guide grooves are formed in the outer wall of the rotating block in a vertically opposite manner;

two guide rods are oppositely arranged on the inner top surface of the fixed shell downwards, and the two guide rods are correspondingly inserted into the two guide grooves.

The beneficial effects of the utility model are as follows:

when the adapter is required to be used, the adapter body drives the rotary connecting seat to rotate to the first position, and the pin assembly extends upwards out of the through hole, so that various small electronic products to be used by a user can be supplied with power by utilizing the pin assembly external power supply; when not needing to use this application, so that the adapter main part drives rotate the connecting seat rotates to when the second position, at this moment, the pin subassembly is for down retracting to in the via hole, so, be convenient for the hidden accomodate of pin subassembly is when it is accomodate by hiding for can not be collided by the foreign object and lead to appearing deformation and influence its normal use, and when it is accomodate by hiding, still make it be difficult for gluing dust or other pollutants, make it be difficult for exist and bring the pollutant into the row of inserting and influence the use of row of inserting, simultaneously, in the knapsack of user with this application pin subassembly, it is still difficult for fish tail user's knapsack in the interior little articles such as cell-phone, electronic watch and the tablet computer of placing.

The second point, because this application the fixed shell interior top surface is equipped with and is used for stopping spacingly rotate the rotation connecting seat is rotatory locating part between first position and second position, from this, then make when specifically using this application, rotate the connecting seat only can first position with make a round trip rotation between the second position for it can not endlessly rotate and lead to turning bad or the slip, so this application long service life.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the telescopic charging adapter with rotation limiting of the present utility model 1;

FIG. 2 is an exploded view of the telescopic charging adapter with rotational limit of the present utility model, FIG. 1;

FIG. 3 is a schematic view of the overall structure of the telescopic charging adapter with rotational limit of the present utility model 2;

FIG. 4 is an exploded view of the telescopic charging adapter with rotational stops of the present utility model, FIG. 2;

FIG. 5 is an enlarged view of the stationary housing in an embodiment of the utility model;

FIG. 6 is a schematic view of the overall planar structure of the rotary connecting base according to the embodiment of the present utility model;

FIG. 7 is a view showing the state of use of the retractable charging adapter with rotation limitation according to the present utility model when the rotation connecting base is rotated to the second position;

reference numerals:

a retractable charging adapter 1000 with rotational limit;

an adapter body 10;

rotating the housing 101;

a socket 1011;

a master control assembly 102;

a charging interface 1021;

a stationary housing 20;

a via 201;

a rotation limiter 202;

a first stop stopper 2021;

a second stop stopper 2022;

a guide lever 203;

rotating the connecting seat 30;

an electric connection piece 30a;

the power receiving groove 30a1;

a bottom cover plate 301;

a screw 302;

screw holes 3021;

a first rotating plate 303;

a turning protrusion 3031;

a second swivel plate 304;

a pin assembly 40;

a rotating block 401;

an electric connection convex 4011;

a guide groove 4012;

pins 402;

a lock block 50;

a fixing hole 501;

a fastening bolt 60;

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings of the specification are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

First, a brief description of the power adapter will be made.

The power adapter is also called an external power supply, is a power supply voltage conversion device of small portable electronic equipment and electronic appliances, and is used for supplying power to small electronic products such as mobile phones, liquid crystal displays, notebook computers and the like.

The corresponding small electronic products mostly adopt low-voltage batteries, and the power adapter for charging is equivalent to a small transformer, so that the mains supply is converted into low voltage meeting the battery requirements, and the corresponding small electronic products are charged.

A basic description of the inventive process of this patent will now be described.

The inventor of the present patent found that, in the power adapter with power pins commonly used in the prior art, the power pins are usually fixed outside the corresponding power adapter, and the power pins are always exposed outside the corresponding power adapter no matter in use or not.

Thus, on one hand, the exposed power connection pins may deform when being collided by foreign objects, thereby affecting the normal use of the power connection pins, on the other hand, the exposed power connection pins are easy to be stained with dust or other pollutants, the pollutants can follow the power connection pins to enter the power strip, thereby affecting the use of the power strip, serious even electric shock hazard can occur, and the power adapter with the power connection pins is easy to scratch small objects such as mobile phones, electronic watches and tablet computers placed in the backpack of a user when the power adapter with the power connection pins is arranged in the backpack of the user.

In this regard, the present inventors have combined with their working experience, through the extension of the questions encountered during the work, the turning over of a great deal of scientific research data and literature, and the searching and updating through the website of the national intellectual property office, gradually conceived and designed the present application, so as to solve the relevant technical problems.

The telescopic charging adapter 1000 with rotation limit according to the embodiment of the present utility model is described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 4, a telescopic charging adapter 1000 with rotation limitation according to an embodiment of the present utility model includes an adapter body 10, a fixed housing 20 with an open lower portion formed, a rotation connection base 30, and a pin assembly 40;

wherein, a through hole 201 penetrating into the fixed housing 20 is formed at the top of the fixed housing 20, and a rotation limiting member 202 for stopping and limiting the rotation of the rotation connecting seat 30 between the first position and the second position is arranged on the inner top surface of the fixed housing 20; the rotary connecting seat 30 is fixedly arranged at the upper part of the adapter main body 10 and is sleeved in the fixed shell 20 in a circumferential rotary manner; the pin assembly 40 is electrically connected with the adapter body 10 and is fixedly arranged on the rotary connecting seat 30 in a vertically movable manner;

referring to fig. 1, when the adapter body 10 drives the rotary connecting base 30 to rotate to the first position, the pin assembly 40 protrudes upward out of the through hole 201; referring to fig. 7, when the adapter body 10 drives the rotary connecting base 30 to rotate to the second position, the pin assembly 40 is retracted downward into the through hole 201.

Based on the above, it can be understood that, when the present application is specifically implemented, the present application is mainly used as the telescopic charging adapter 1000 with rotation limiting.

Specifically, in the application, compared with the power adapter with the power pin 402 commonly used in the prior art, the present application mainly adds the fixed housing 20 and the rotating connection seat 30, on one hand, when the application is needed, as shown in fig. 1 and 3, so that the adapter body 10 drives the rotating connection seat 30 to rotate to the first position, at this time, the pin assembly 40 extends upwards to the outside of the via hole 201, so that, even if the pin assembly 40 is used to externally connect a power source to supply power to various small electronic products to be used by a user through the application, on the other hand, when the application is not needed, as shown in fig. 7, so that the adapter body 10 drives the rotation connecting seat 30 rotates to the second position, at this time, the pin assembly 40 is retracted downwards into the through hole 201, so that the pin assembly 40 is convenient to hide and store, when the pin assembly is hidden and store, deformation is avoided to influence normal use of the pin assembly due to collision of foreign objects, when the pin assembly is hidden and store, dust or other pollutants are not easy to adhere to the pin assembly, so that the use of the pin assembly is not easy to be influenced due to the fact that the pollutants are brought into the pin assembly, meanwhile, the pin assembly 40 is arranged in a knapsack of a user, and small objects such as a mobile phone, an electronic watch and a tablet personal computer placed in the knapsack of the user are not easy to scratch.

Moreover, since the inner top surface of the fixed housing 20 is provided with the rotation limiting member 202 for stopping and limiting the rotation of the rotation connecting seat 30 between the first position and the second position, the rotation connecting seat 30 can only rotate back and forth between the first position and the second position when the fixed housing is specifically used, so that the fixed housing cannot be damaged or be detached due to endless rotation, and the service life of the fixed housing is long.

Furthermore, through above-mentioned optimal design, even make the whole that this application constitutes, the practicality is strong, and stability in use is good and use reliability is good for whole result of use is good.

Further, in the embodiment, referring to fig. 2 and 4, according to an embodiment of the present utility model, the adapter body 10 includes a rotary housing 101 with an open upper portion and a main control assembly 102 fixed in the rotary housing 101, where it is to be noted that the main control assembly 102 is identical to the prior art, and the present application does not improve the present application.

On this basis, this application rotation connecting seat 30 is for setting firmly rotate shell 101 upper portion is uncovered, just be equipped with on the rotation connecting seat 30 stretch into rotate shell 101 and with the connection electric connection piece 30a that main control module 102 links to each other, in this technical scheme, the pin subassembly 40 be with connect electric connection piece 30a electricity, so, realize pin subassembly 40 with main control module 102 realizes the electricity and connects.

Further, in the embodiment, as shown in fig. 2, 4 and 6, according to one embodiment of the present utility model, the rotary connecting seat 30 includes a bottom cover plate 301, a screw 302 fixed upward to the middle of the upper end surface of the bottom cover plate 301, and a first rotating plate 303 and a second rotating plate 304 fixed upward to the upper end surface of the bottom cover plate 301 and opposite to each other and separately arranged on two sides of the screw 302; the distance between the first rotating plate 303 and the screw 302 is equal to the distance between the second rotating plate 304 and the screw 302, the upper and lower length of the first rotating plate 303 is longer than the upper and lower length of the second rotating plate 304, and the part of the upper part of the first rotating plate 303 longer than the upper part of the second rotating plate 304 is formed into a rotating protrusion 3031;

in this regard, in the present application, the rotation limiting member 202 includes a first stop limiting member 2021 and a second stop limiting member 2022 fixed to the inner top surface of the fixed housing 20 at a certain distance; the first stop block 2021 and the second stop block 2022 are both on an extension line of a rotation track formed by the rotation of the rotating protrusion 3031 around the screw 302, and when the second rotating plate 304 rotates around the screw 302, the first stop block 2021 and the second stop block 2022 do not contact the upper portion of the second rotating plate 304; the rotating protrusion 3031 is rotatable only between the first stop block 2021 and the second stop block 2022;

when the adapter body 10 drives the rotary connecting seat 30 to rotate to the first position, the rotary protrusion 3031 abuts against the first stop block 2021; when the adapter body 10 drives the rotary connecting seat 30 to rotate to the second position, the rotary protrusion 3031 abuts against the second stop block 2022.

Since the rotation limiting member 202 includes the first stop limiting block 2021 and the second stop limiting block 2022 fixed on the inner top surface of the fixed housing 20 at a certain distance, and since the vertical length of the first rotating plate 303 is greater than that of the second rotating plate 304, a portion of the upper portion of the first rotating plate 303 longer than that of the upper portion of the second rotating plate 304 is formed as a rotating protrusion 3031 capable of rotating between the first stop limiting block 2021 and the second stop limiting block 2022;

therefore, when the present application is specifically used, the adapter body 10 drives the rotating connection seat 30 to rotate to the first position, and at this time, the rotating protrusion 3031 abuts against the first stop stopper 2021, so that the adapter body 10 drives the rotating connection seat 30 to rotate to the second position, and at this time, the rotating protrusion 3031 abuts against the second stop stopper 2022.

Furthermore, through the above-mentioned optimization design, the rotary connecting seat 30 can only rotate back and forth between the first position and the second position, so that it cannot be damaged or removed due to endless rotation, and the service life of the present application is long.

In addition, in this embodiment, as shown in fig. 4 and 5, according to an embodiment of the present utility model, the pin assembly 40 includes a rotating block 401 and two pins 402 fixed on the upper end surface of the rotating block 401;

wherein, the rotating block 401 is screwed outside the screw 302, and two electric protrusions 4011 correspondingly connected to the two pins 402 are arranged on the outer wall of the rotating block; the inner wall of the first rotating plate 303 and the inner wall of the second rotating plate 304 are respectively provided with the electric connection sheet 30a; two through holes 201 are oppositely formed at the top of the fixed housing 20;

when the adapter body 10 drives the rotary connecting seat 30 to rotate to the first position, the pins 402 correspondingly extend out of the through holes 201, and the electrical protruding protrusions 4011 correspondingly abut against the inner surfaces of the electrical connecting pieces 30 a.

Therefore, the adapter body 10 drives the rotary connecting seat 30 to rotate to the first position, and at this time, the two pins 402 correspondingly extend out of the two through holes 201, and the two electrical protruding protrusions 4011 correspondingly abut against the inner surfaces of the two electrical connecting pieces 30a, so that the two electrical protruding protrusions 4011 correspondingly electrically connect with the two electrical connecting pieces 30a, so as to finally realize that the two pins 402 are electrically connected with the main control component 102.

Furthermore, in the embodiment, as shown in fig. 2, according to an embodiment of the present utility model, the inner surfaces of the two electrical connection pieces 30a are respectively recessed outwards to form an electrical connection groove 30a1; when the adapter body 10 drives the rotary connecting seat 30 to rotate to the first position, the two electrical connection protrusions 4011 correspondingly abut against the two electrical connection grooves 30a 1.

Therefore, by arranging the two electrical connection grooves 30a1, on one hand, when the two electrical connection protrusions 4011 correspondingly abut against the two electrical connection grooves 30a1, the contact area between the two electrical connection protrusions 4011 can be large, the electrical connection area can be enhanced, and then the stability and reliability of electrical connection are improved, on the other hand, the two electrical connection grooves 30a1 limit the electrical connection, and when the adapter main body 10 drives the rotating connection seat 30 to rotate to the first position, the two electrical connection protrusions 4011 correspondingly abut against the two electrical connection grooves 30a1 to generate certain sounds, so that a user can be well reminded that the adapter main body 10 drives the rotating connection seat 30 to rotate to the first position, and the adapter main body 10 is not required to be held by a strong hand to continue to drive the rotating connection seat 30 to rotate, so as to avoid rotating damage caused by the rotating head.

Furthermore, through the above-mentioned optimal design, the whole that makes this application constitute, result of use can be effectively improved.

It should be noted that, in the implementation, as shown in fig. 3 and fig. 4, according to an embodiment of the present utility model, the main control assembly 102 is provided with a charging interface 1021 downward, and a socket 1011 is opened on the bottom surface of the rotary housing 101 to expose the charging interface 1021.

Therefore, the two pins 402 are externally connected with a power strip, and the charging interface 1021 is connected with a charging data line, so that the power strip can be used for connecting small objects such as a mobile phone, an electronic watch, a tablet personal computer and the like to be used by a user to supply power to the small objects.

And, in the embodiment, referring to fig. 2 and 4, according to an embodiment of the present utility model, the present application further includes a locking block 50 for locking the rotating block 401; the locking block 50 is detachably fixed on the top of the screw 302, and the outer diameter of the locking block is larger than that of the screw 302.

Preferably, in this embodiment, the top of the screw 302 is provided with a screw hole 3021, the lock block 50 is provided with a fixing hole 501 opposite to the screw hole 3021, and the lock block 50 is fixed to the top of the screw 302 by screwing the fixing hole 501 and the fastening bolt 60 of the screw hole 3021 from top to bottom.

It should be further added that, in the implementation, as shown in fig. 2 and fig. 4, according to one embodiment of the present utility model, two guide grooves 4012 are formed on the outer wall of the rotating block 401 vertically opposite to each other;

wherein, two guide rods 203 are oppositely disposed on the inner top surface of the fixed housing 20, and the two guide rods 203 are correspondingly inserted into the two guide grooves 4012.

Therefore, when the adapter body 10 drives the rotary connecting seat 30 to rotate between the first position and the second position, the two guide rods 203 correspondingly slide up and down along the two guide grooves 4012, so that a better guiding effect can be further achieved, and the pins 402 are not easy to shift in the up and down moving process, so that the application is more reliable.

Other embodiments, etc., are not illustrated herein.

To sum up, in the implementation, the telescopic charging adapter 1000 with rotation limiting provided by the application is in particular implemented, on one hand, when the application is needed, so that the adapter main body 10 drives the rotation connecting seat 30 to rotate to the first position, at this time, the pin assembly 40 can extend upwards to the outside of the through hole 201, even if the pin assembly 40 is utilized to supply power to various small electronic products to be used by a user through the application by using an external power supply of the pin assembly 40, on the other hand, when the application is not needed, the adapter main body 10 drives the rotation connecting seat 30 to rotate to the second position, at this time, the pin assembly 40 can retract downwards to the inside of the through hole 201, so that the pin assembly 40 is convenient to hide and store, when the pin assembly is hidden and store, deformation is caused by foreign object collision to affect normal use of the pin assembly, and when the pin assembly is hidden and store, the pin assembly is not easy to be stained with dust or other pollutants, so that the pin assembly is not easy to cause the pollution to be easy to be arranged to affect the plug-in of the electronic products, and the electronic products are not easy to be scratched, and the electronic products are placed in the user's backpack is also placed in the watch, and the watch is not used by the user.

Moreover, since the inner top surface of the fixed housing 20 is provided with the rotation limiting member 202 for stopping and limiting the rotation of the rotation connecting seat 30 between the first position and the second position, the rotation connecting seat 30 can only rotate back and forth between the first position and the second position when the fixed housing is specifically used, so that the fixed housing cannot be damaged or be detached due to endless rotation, and the service life of the fixed housing is long.

Furthermore, the telescopic charging adapter 1000 with the rotation limiting function is extremely strong in practicality and excellent in use effect, so that the telescopic charging adapter has good market popularization value, is very popular, and can be effectively popularized.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (8)

1. The telescopic charging adapter with the rotation limiting function is characterized by comprising an adapter main body, a fixed shell, a rotation connecting seat and a pin assembly, wherein the lower part of the fixed shell is formed into an opening;

the top of the fixed shell is provided with a through hole penetrating into the fixed shell, and the inner top surface of the fixed shell is provided with a rotation limiting piece for stopping the rotation of the limiting rotation connecting seat between a first position and a second position; the rotary connecting seat is fixedly arranged at the upper part of the adapter main body and is sleeved in the fixed shell in a circumferential rotary manner; the pin assembly is electrically connected with the adapter main body and can be fixedly arranged on the rotary connecting seat in an up-and-down movable manner;

when the adapter body drives the rotary connecting seat to rotate to a first position, the pin assembly extends upwards out of the through hole; when the adapter body drives the rotary connecting seat to rotate to the second position, the pin assembly retracts downwards into the through hole.

2. The retractable charging adapter with rotation limiting function according to claim 1, wherein the adapter body comprises a rotation housing with an upper portion formed to be open and a main control assembly fixedly arranged in the rotation housing;

the rotary connecting seat is fixedly arranged at the upper opening of the rotary shell, and is provided with a connecting electric connecting sheet which extends into the rotary shell and is connected with the main control component; the pin assembly is electrically connected with the electric connection sheet.

3. The telescopic charging adapter with rotation limiting function according to claim 2, wherein the rotation connecting seat comprises a bottom cover plate, a screw rod which is upwards fixedly arranged in the middle of the upper end face of the bottom cover plate, and a first rotating plate and a second rotating plate which are upwards fixedly arranged on the upper end face of the bottom cover plate and are oppositely arranged on two sides of the screw rod in a separated mode; the distance between the first rotating plate and the screw rod is equal to that between the second rotating plate and the screw rod, the upper and lower length of the first rotating plate is larger than that of the second rotating plate, and the part of the upper part of the first rotating plate, which is longer than the upper part of the second rotating plate, is formed into a rotating bulge;

the rotation limiting piece comprises a first stop limiting piece and a second stop limiting piece; the rotating protrusion can rotate between the first stop limiting block and the second stop limiting block;

when the adapter main body drives the rotary connecting seat to rotate to a first position, the rotary protrusion is propped against the first stop limiting block; when the adapter body drives the rotary connecting seat to rotate to the second position, the rotary protrusion abuts against the second stop limiting block.

4. The telescopic charging adapter with rotation limit according to claim 3, wherein the pin assembly comprises a rotating block and two pins which are upwards fixed on the upper end surface of the rotating block;

the rotating block is screwed outside the screw rod, and two electric protrusions correspondingly connected to the two pins are arranged on the outer wall of the rotating block oppositely; the inner wall of the first rotating plate and the inner wall of the second rotating plate are respectively provided with the electric connection sheet; two through holes are oppositely formed in the top of the fixed shell;

when the adapter main body drives the rotary connecting seat to rotate to a first position, the two pins correspondingly extend out of the two through holes; the two electric protrusions are correspondingly propped against the inner surfaces of the two electric connecting sheets.

5. The retractable charging adapter with rotation limit as claimed in claim 3, wherein the inner surfaces of the two electric connection pieces are respectively recessed outwards to form an electric connection groove; when the adapter body drives the rotary connecting seat to rotate to the first position, the two electric connection protrusions correspondingly abut against the two electric connection grooves.

6. The retractable charging adapter with rotation limiting function according to claim 2, wherein the main control assembly is provided with a charging interface downwards, and the lower bottom surface of the rotating housing is provided with a socket for exposing the charging interface.

7. The retractable charging adapter with rotational stops of claim 4, further comprising a locking block to lock the rotational block; the locking piece is detachably and fixedly arranged at the top of the screw rod, and the outer diameter of the locking piece is larger than that of the screw rod.

8. The telescopic charging adapter with rotation limiting function according to claim 4, wherein two guide grooves are formed in the outer wall of the rotating block in a vertically opposite manner;

two guide rods are oppositely arranged on the inner top surface of the fixed shell downwards, and the two guide rods are correspondingly inserted into the two guide grooves.