CN218770230U - Telescopic charging head - Google Patents

Abstract

The application discloses flexible head that charges belongs to charger technical field, a flexible head that charges for providing a stability is better, convenient to use, which comprises a housin, first slide opening has been seted up to the upper end of casing, the second slide opening has been seted up to the lower extreme, the inside last tooth post and the lower tooth post that is provided with mutually supporting of casing, the lower extreme of going up the tooth post cooperates with the upper end of lower tooth post, go up the inner wall sliding connection of tooth post and casing, the below of lower tooth post is provided with the pars contractilis, the lower extreme of pars contractilis passes the second slide opening and is provided with the round pin head, be provided with elastomeric element between the interior bottom of pars contractilis and casing, the top of going up the tooth post is provided with data line tip. This practicality presses down extending structure for the interior design of head that charges, and the flexible transform of realization metal plug just can be convenient through the mode of pressing down, convenient operation, and compare in foldable and slide spacing formula more stable, even receive the thrust effect of great pressure or slope and can both keep straight state, more stable when pegging graft with the socket.

Description

Telescopic charging head

Technical Field

The application relates to the technical field of chargers, in particular to a telescopic charging head.

Background

The charger is the electronic product of common use in the life, especially to the very fast cell-phone of power consumptive speed, almost all need charge every day, sometimes go out for a long time and still can attach corresponding charger in order to avoid the anxiety of cell-phone power shortage, the charger generally has flexible line and harder first constitution that charges, flexible line is fine to be accomodate, point to regular folding good just can put into the package, but harder first not only casing that charges is harder, its outstanding metal plug is still very sharp, if put together cell-phone and charging head carelessly, sharp-pointed metal plug probably breaks the cell-phone screen, cause unnecessary loss for the user, consequently design a can stretch out and draw back the head that charges and be urgent problem of solving.

The existing charging head with the contraction function generally adopts a folding type or a sliding limiting type, but the two types of modes have defects: for example, the folding type bicycle is easy to fold and retract automatically because the stress direction is not straight; the motion constraint structure of the sliding limit type is small, the stability is poor, the sliding limit type is easy to automatically pack up due to overlarge thrust, the stability of the two modes is poor, the plug is not clean and convenient to use when being inserted into a socket.

Disclosure of Invention

The utility model provides a stability is better, convenient to use's flexible head that charges.

In order to achieve the above object, the present application provides a telescopic charging head: the portable data cable comprises a housin, first slide opening has been seted up to the upper end of casing, the second slide opening has been seted up to the lower extreme, the inside last tooth post and the lower tooth post that is provided with mutually supporting of casing, go up the lower extreme of tooth post with the upper end cooperation of tooth post down, go up the tooth post with the inner wall sliding connection of casing, the below of tooth post is provided with the pars contractilis down, the lower extreme of pars contractilis passes the second slide opening is provided with the round pin head, pars contractilis with be provided with elastomeric element between the interior bottom of casing, the top of going up the tooth post is provided with data line end, data line end extends to the top of casing is pressed down during the data line end the tooth post can for go up the tooth post rotatory and take the pars contractilis together for the casing is concertina movement, changes the flexible state through the mode of pressing, and stability is higher, pegs graft more cleanly and falls.

Preferably, the lower extreme of going up the column gear has and pushes away the tooth, go up the column gear and reserve respectively to have the holding groove and accomodate the groove in pushing away the tooth both sides, go up the lower terminal surface of column gear the holding groove with accomodate the interior bottom surface in groove and be the unanimous inclined plane of incline direction, it has a plurality of groups to go up column gear, holding groove and accomodate the groove, and a plurality of groups go up column gear, holding groove and accomodate the groove and receive the tail to meet and wind the axis annular of going up the column gear is arranged, be suitable for with the upper end structure cooperation of column gear down forms the inside flexible structure that presses similar to the elastic pen.

As a preferred, the structure that sets up in lower tooth post upper end has deep locked groove and shallow locked groove of downwardly extending, the top surface of reserving the part between deep locked groove and the shallow locked groove be with push away the unanimous inclined plane of tooth lower extreme facial features, deep locked groove, shallow locked groove and the part of reserving have a plurality of groups, and the group number with go up the tooth post, keep off the groove and accomodate the group number in groove and correspond, same end to end winds the axis ring shape of tooth post is arranged down, guarantees the continuity of adjusting.

Preferably, the lower toothed column is provided with a fitting column in the middle of the deep locking groove, the shallow locking groove and the reserved part, the upper toothed column is provided with a fitting cavity in the middle of the upper toothed column, the resisting groove and the accommodating groove, and the fitting cavity is suitable for being matched with the fitting column to realize relative extension and rotation, and the extension action is realized while the fitting cavity rotates.

Preferably, the inner wall of the shell is provided with a guide rail, the outer side surface of the upper tooth column is provided with a sliding groove and is suitable for being matched with the guide rail to form a sliding pair, the lower end surface of the guide rail is provided with an inclined plane consistent with the lower end surface of the push tooth and is suitable for being matched with the inclined plane part at the upper end of the lower tooth column to form a sliding pair, and the lower end of the guide rail is matched with locking grooves with different depths to restrict the distance between the lower tooth column and the upper tooth column, so that the purpose of changing the extending state of the pin head is achieved.

Preferably, the telescopic part comprises a sliding handle, the sliding handle is suitable for being matched with the second sliding hole to form a sliding pair, a blocking ring is arranged at a position, close to the top, of the outer side face of the sliding handle, and the elastic part is located between the lower surface of the blocking ring and the inner bottom surface of the shell through a spring and used for providing a restoring elastic force for the telescopic part to contract towards the inside of the shell.

Preferably, the top of the telescopic part is provided with a limit column, the bottom of the lower tooth column is provided with a rotating hole which is suitable for being matched with the limit column to form a rotating pair, so that the telescopic part does not need to rotate along with the limit column.

Preferably, the end of the data line comprises a push handle, the push handle is suitable for being matched with the first sliding hole to form a sliding pair, the lower end of the push handle is connected with the upper tooth post, the upper end of the push handle is provided with a pressure applying head, and the pressure applying head is connected with a data line body for conveying electric energy during charging.

Preferably, the top surface of the upper tooth column is provided with an interface, the push handle extends to the bottom surface inside the shell is provided with a joint, the joint is suitable for being in plug-in fit with the interface to realize the electric connection with the pin head, the pressure applying head is provided with a finger insertion hole which is through from front to back, and the finger head can pass through the finger insertion hole to apply pressure to the pressure applying head in a more convenient posture.

Preferably, the difference in depth between the stopping groove and the accommodating groove at the lowest position of the pushing tooth is equal to or greater than the length of the pin head, so that the metal pin head can be completely accommodated in the housing.

Compared with the prior art, the beneficial effect of this application lies in:

(1) The telescopic structure is designed in the charging head, the telescopic transformation of the metal plug can be conveniently realized by a pressing mode, the operation is convenient, and the metal plug is more stable than a folding type and a sliding limiting type, can keep a straight state even under the action of larger pressure or inclined thrust, and is more stable when being inserted into a socket;

(2) By designing the detachable data line end part, after the pin head is completely accommodated in the shell, no protruding sharp part exists on the surface of the charging head, so that even if the charging head is put together with a mobile phone, the mobile phone screen is not damaged by the charging head.

Drawings

Fig. 1 is a first view of a three-dimensional structure of the retractable charging head;

fig. 2 is a second view of the telescopic charging head in a three-dimensional configuration;

fig. 3 is a first perspective view of the internal structure of the retractable charging head;

fig. 4 is a second perspective view of the internal structure of the retractable charging head;

fig. 5 is a first perspective view showing a corresponding relationship between upper and lower tooth posts of the retractable charging head;

FIG. 6 is a second perspective view of the corresponding relationship between the upper and lower tooth posts of the retractable charging head;

fig. 7 is a schematic perspective view of a lower tooth post of the retractable charging head;

fig. 8 is a perspective view showing a lower rack of the retractable charging head;

fig. 9 is a first perspective view of an upper tine of the retractable charging head;

fig. 10 is a second view of the upper rack of the telescopic charging head;

fig. 11 is a schematic perspective view of an end of a data line of the retractable charging head;

fig. 12 is a schematic perspective view of the telescopic portion of the telescopic charging head;

fig. 13 is a perspective view of the telescopic charging head with a telescopic part removed;

fig. 14 is a perspective sectional view of the housing of the telescopic charging head.

In the figure: 1. a housing; 101. a first slide hole; 102. a guide rail; 103. a second slide hole; 2. a pin head; 3. a lower tooth column; 301. hole turning; 302. fitting the column; 303. deep locking grooves; 304. shallow locking grooves; 4. an upper toothed column; 401. an interface; 402. a chute; 403. pushing teeth; 404. a receiving groove; 405. a fitting cavity; 406. a resisting groove; 5. the end of the data line; 501. a joint; 502. a handle is pushed; 503. applying a pressure head; 504. a finger jack; 505. a data line body; 6. a telescopic part; 601. a sliding handle; 602. a baffle ring; 603. a limiting column; 7. a spring.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The telescopic charging head as shown in fig. 1 to 14 comprises a housing 1 for packaging internal electrical components and moving parts, the housing 1 is provided with a first sliding hole 101 at the upper end and a second sliding hole 103 at the lower end for restricting the freedom of movement of the moving parts, the housing 1 is internally provided with an upper tooth post 4 and a lower tooth post 3 which are matched with each other, the lower end of the upper tooth post 4 is matched with the upper end of the lower tooth post 3, the lower end of the upper tooth post 4 is provided with a push tooth 403, the upper tooth post 4 is respectively provided with a resisting groove 406 and a receiving groove 404 at two sides of the push tooth 403, the lower end surface of the upper tooth post 4, the resisting groove 406 and the inner bottom surface of the receiving groove 404 are inclined planes with the same inclination direction, the upper tooth post 4, the resisting groove 406 and the receiving groove 404 are provided with a plurality of groups, and the plurality of groups of upper tooth posts 4, the resisting groove 406 and the receiving groove 404 are annularly arranged around the axis of the upper tooth post 4, the upper end of the lower tooth column 3 is provided with a deep locking groove 303 and a shallow locking groove 304 which extend downwards, the top surface of a reserved part between the deep locking groove 303 and the shallow locking groove 304 is an inclined surface consistent with the lower end surface of the pushing tooth 403, the deep locking groove 303, the shallow locking groove 304 and the reserved part are provided with a plurality of groups, the number of the groups corresponds to the number of the upper tooth column 4, the resisting groove 406 and the accommodating groove 404, the same groups are annularly arranged around the axis of the lower tooth column 3 end to end, the lower tooth column 3 is provided with a fitting column 302 in the middle of the deep locking groove 303, the shallow locking groove 304 and the reserved part, the upper tooth column 4 is provided with a fitting cavity 405 in the middle of the upper tooth column 4, the resisting groove 406 and the accommodating groove 404, the lower tooth column is suitable for being matched with the fitting column 302 to realize relative expansion and rotation, is similar to a rotary expansion structure in an elastic expansion pen, and contraction state can be changed rapidly in a pressing mode.

Go up the inner wall sliding connection of tooth post 4 and casing 1, the inner wall of casing 1 is provided with guide rail 102, spout 402 has been seted up to the lateral surface of going up tooth post 4, be suitable for to constitute the pair of sliding with guide rail 102 cooperation, guide rail 102 all sets up two with the quantity of spout 402 usually, and arrange about the axis symmetry of going up tooth post 4, can reach better slip restraint and stabilizing action, the lower terminal surface of guide rail 102 has the inclined plane unanimous with pushing away tooth 403 lower terminal surface, be suitable for and constitute the pair of sliding with the inclined plane part cooperation of tooth post 3 upper end down, under the effect that receives elastic pressure down tooth post 3 can rotate along the lower terminal surface slip handle of guide rail 102.

The telescopic part 6 is arranged below the lower tooth post 3 and serves as a main body for realizing telescopic action, the top of the telescopic part 6 is provided with a limiting post 603, the bottom of the lower tooth post 3 is provided with a rotating hole 301 which is suitable for being matched with the limiting post 603 to form a revolute pair, the telescopic part 6 does not need to rotate together with the lower tooth post 3, the telescopic part 6 can only do telescopic motion and does not do rotary motion in the telescopic conversion process, the stability of the telescopic part 6 relative to the angle of the shell 1 is ensured, the lower end of the telescopic part 6 penetrates through the second sliding hole 103 to be provided with the pin head 2, the telescopic part 6 is made of metal materials and generally two or three, the telescopic part is used for being inserted into a socket hole, the depth difference between the blocking groove 406 and the accommodating groove 404 relative to the lowest position of the push tooth 403 is greater than or equal to the length of the pin head 2, the pin head 2 can be ensured to be completely arranged in the shell 1, an elastic part is arranged between the telescopic part 6 and the inner bottom of the shell 1, a spiral compression spring 7 which is generally selected and used, the telescopic part 6 comprises a sliding handle 601 which is suitable for being matched with the second sliding hole 103 to form a sliding pair, the outer side of the sliding ring 601, the elastic force of the inner bottom of the shell 602, and the inner side of the shell 602, and the reset ring 602, and the shell.

The upper side of the upper tooth post 4 is provided with a data line end 5, the data line end 5 extends to the upper side of the shell 1, the data line end 5 comprises a push handle 502 which is suitable for being matched with the first sliding hole 101 to form a sliding pair, the stability of the push handle 502 during movement can be improved, the lower end of the push handle 502 is connected with the upper tooth post 4, the upper end of the push handle is provided with a pressure applying head 503, the pressure applying head 503 is connected with a data line 505 for conveying electric energy, the top surface of the upper tooth post 4 is provided with an interface 401, the push handle 502 extends to the bottom surface inside the shell 1 and is provided with a joint 501 suitable for being in plug-in fit with the interface 401 to realize electrical connection with the pin head 2, the structure can separate the data line end 5 from the charging head, the connection between the data line 505 and the pressure applying head 503 can be effectively prevented from being broken due to overlarge bending stress at the connection position, the pressure applying head 503 is provided with a finger hole 504 which is through from the front to the front and back, for example, the finger head of a thumb can pass through the finger hole 504 to apply pressure applying head to realize pressing operation which is very smooth.

The working principle of the telescopic charging head is as follows: when pressing, the pushing teeth 403 exert pressure on the upper end slope of the lower tooth post 3, so that the lower tooth post 3 moves up and down and rotates relative to the upper tooth post 4, the lower end of the guide rail 102 slides into the shallow locking groove 304 from the deep locking groove 303 under the action of the elastic force of the spring 7, the lower tooth post 3 is far away from the upper tooth post 4 and keeps stable, the pin head 2 at the end part of the telescopic part 6 extends out of the shell 1 and can be plugged into a socket for charging, when the lower tooth post needs to be retracted, the pin head 2 is pulled off from the socket, the pressing head 503 is pressed again, the guide rail 102 slides into the deep locking groove 303 from the shallow locking groove 304 along with the trend, the lower tooth post 3 is close to the upper tooth post 4 and keeps stable, the pin head 2 at the end part of the telescopic part 6 is retracted into the shell 1, the charging head and the data line body 505 can be separately retracted by pulling off the data line end part 5, the occupied space of the charger and the sharp part protruding from the charging head are reduced, and the charger is more convenient and safe to carry.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (10)

1. A flexible head that charges which characterized in that: including casing (1), first slide opening (101) have been seted up to the upper end of casing (1), second slide opening (103) have been seted up to the lower extreme, casing (1) is inside to be provided with last tooth post (4) and lower tooth post (3) of mutually supporting, the lower extreme of going up tooth post (4) with the upper end cooperation of tooth post (3) down, go up tooth post (4) with the inner wall sliding connection of casing (1), the below of tooth post (3) is provided with flexible portion (6) down, the lower extreme of flexible portion (6) passes second slide opening (103) is provided with round pin head (2), flexible portion (6) with be provided with elastomeric element between the interior bottom of casing (1), the top of going up tooth post (4) is provided with data line tip (5), data line tip (5) extend to the top of casing (1), when pressing data line tip (5) down tooth post (3) can be for go up tooth post (4) rotation from and take flexible portion (6) to do the motion together for casing (1).

2. The telescopic charging head according to claim 1, wherein: the lower end of the upper tooth post (4) is provided with a pushing tooth (403), two sides of the pushing tooth (403) of the upper tooth post (4) are respectively reserved with a retaining groove (406) and a containing groove (404), the lower end face of the upper tooth post (4), the inner bottom faces of the retaining groove (406) and the containing groove (404) are inclined planes with the same inclination directions, the upper tooth post (4), the retaining groove (406) and the containing groove (404) are provided with a plurality of groups, and the groups of the upper tooth post (4), the retaining groove (406) and the containing groove (404) are in tail connection and wound around the axis of the upper tooth post (4) in an annular arrangement mode and are suitable for being matched with the upper end structure of the lower tooth post (3).

3. The telescopic charging head according to claim 2, wherein: the structure that sets up in lower tooth post (3) upper end has deep locked groove (303) and shallow locked groove (304) of downwardly extending, the top surface of reserving the part between deep locked groove (303) and shallow locked groove (304) be with push away the unanimous inclined plane of terminal surface under tooth (403), deep locked groove (303), shallow locked groove (304) and the part of reserving have a plurality of groups, and the group number with go up tooth post (4), keep out the group number correspondence of groove (406) and accomodating groove (404), the same end to end is around the axis annular of tooth post (3) is arranged down.

4. A telescopic charging head according to claim 3, characterized in that: the lower tooth column (3) is provided with a fitting column (302) in the middle of the deep locking groove (303), the shallow locking groove (304) and the reserved part, and the upper tooth column (4) is provided with a fitting cavity (405) in the middle of the upper tooth column (4), the resisting groove (406) and the accommodating groove (404) and is suitable for being matched with the fitting column (302) to realize relative extension and rotation.

5. The telescopic charging head of claim 4, wherein: the inner wall of the shell (1) is provided with a guide rail (102), the outer side surface of the upper tooth column (4) is provided with a sliding groove (402) which is suitable for being matched with the guide rail (102) to form a sliding pair, the lower end surface of the guide rail (102) is provided with an inclined plane which is consistent with the lower end surface of the push tooth (403), and the lower end surface of the guide rail (102) is suitable for being matched with the inclined plane part at the upper end of the lower tooth column (3) to form a sliding pair.

6. The telescopic charging head of claim 5, wherein: the telescopic part (6) comprises a sliding handle (601) and is suitable for being matched with the second sliding hole (103) to form a sliding pair, a blocking ring (602) is arranged at the position, close to the top, of the outer side face of the sliding handle (601), and the elastic component is located between the lower surface of the blocking ring (602) and the inner bottom face of the shell (1) through a spring (7).

7. The telescopic charging head of claim 6, wherein: the top of the telescopic part (6) is provided with a limiting column (603), the bottom of the lower tooth column (3) is provided with a rotating hole (301) suitable for being matched with the limiting column (603) to form a rotating pair.

8. The telescopic charging head according to any one of claims 1 to 7, wherein: the data line end portion (5) comprises a push handle (502) and is suitable for being matched with the first sliding hole (101) to form a sliding pair, the lower end of the push handle (502) is connected with the upper tooth column (4), a pressure applying head (503) is arranged at the upper end of the push handle, and a data line body (505) is connected onto the pressure applying head (503).

9. The telescopic charging head of claim 8, wherein: the top surface of the upper tooth column (4) is provided with an interface (401), the push handle (502) extends to the bottom surface inside the shell (1) and is provided with a joint (501) suitable for being in splicing fit with the interface (401) to realize electrical connection with the pin head (2), and the pressure exerting head (503) is provided with a finger insertion hole (504) which is through from front to back.

10. A telescopic charging head according to any of claims 2 to 7, characterized in that: the depth difference between the stopping groove (406) and the accommodating groove (404) relative to the lowest position of the pushing tooth (403) is larger than or equal to the length of the pin head (2).

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