CN220066923U - Charging seat for PS handle - Google Patents

Abstract

The utility model provides a charging seat for a PS handle, which comprises a base, a power supply plug, a control circuit board and a power interface, wherein an arc-shaped supporting part is arranged on the upper end face to support the back of the handle, and the width between two back keys of the arc-shaped supporting part corresponding to elite handle is smaller than the distance between the two back keys, so that when the elite handle is placed on the charging seat, the two back keys are in a suspended state, and the power supply plug is arranged on the upper end face and is close to the arc-shaped supporting part, and the mounting shell is at least partially protruded out of the upper end face and the width between the two Fn keys of the supporting cambered surface of the mounting shell corresponding to the elite handle is smaller than the distance between the two Fn keys, so that when the elite handle is placed on the supporting cambered surface, the charging seat can simultaneously keep away the back keys and the Fn keys, and the charging seat can be simultaneously applicable to charging with an original handle and the elite handle.

Description

Charging seat for PS handle

Technical Field

The utility model relates to the technical field of charging devices, in particular to a charging seat for a PS handle.

Background

In recent years, the game industry has rapidly developed, and game players prefer game players using game consoles, game keyboards, game pads, game mice, game bracelets, and other accessories, wherein PS family home game consoles proposed by sony corporation are a typical one.

In order to enrich the experience and control effect of players, the sony provides a PS5 elite handle, and the PS5 elite handle is correspondingly provided with corresponding function control keys protruding from the surface of the handle relative to the original PS5 handle in terms of appearance structure, wherein one adjustment is provided with two mappable back keys on the back side of the handle, and the second adjustment is provided with two Fn keys on the bottom of the handle.

Because two back keys and two Fn keys are arranged, the original PS5 game handle charging seat is not provided with a corresponding avoiding structure, so that sharing cannot be realized, and the experience of a user is affected.

Disclosure of Invention

In view of this, it is necessary to provide a charging stand that can be adapted to both PS5 original handles and PS5 elite handles.

The utility model provides a charging stand for a PS handle for charging a PS5 handle and a PS5 elite handle, comprising:

the upper end face of the base is provided with an arc-shaped supporting part which is used for supporting the back side of the handle, wherein the width between two back keys of the PS5 elite handle corresponding to the arc-shaped supporting part is smaller than the distance between the two back keys;

the power supply plug connector is detachably inserted on the upper end face and is close to the arc-shaped supporting part, the power supply plug connector comprises a mounting shell, a limiting guide post and a charging terminal, the mounting shell at least partially protrudes out of the upper end face, the mounting shell comprises a supporting cambered surface, the supporting cambered surface is used for supporting the PS5 handle or the bottom of the PS5 elite handle, the limiting guide post and the charging terminal are both arranged on the mounting shell and respectively extend out of the supporting cambered surface, and the width between two Fn keys of the PS5 elite handle corresponding to the supporting cambered surface is smaller than the distance between the Fn keys;

the control circuit board is arranged in the base and is electrically connected with the charging terminal;

the power interface is embedded on the base and is electrically connected with the control circuit board.

Further, the upper end face of the base is an inclined plane, and the inclined plane is obliquely downwards arranged along the direction from the power supply plug-in connector to the arc-shaped supporting part.

Further, the arc-shaped supporting portion and the base are integrally formed.

Further, the base comprises a supporting shell and a bottom plate, and the bottom plate is detachably covered at the bottom of the supporting shell.

Further, two notches are formed in the bottom end of the supporting shell, an adaptive plug-in portion is arranged on the bottom plate corresponding to each notch, each plug-in portion comprises an outer limiting wall and an inner limiting wall, when the supporting shell is connected with the bottom plate, the plug-in portions are embedded in the notches, the outer limiting walls are wrapped on the outer sides of the supporting shells corresponding to the notches, and the inner limiting walls are limited on the inner sides of the supporting shells corresponding to the notches.

Further, the charging stand still includes the pilot lamp, the pilot lamp includes lamp body and installation department, the lamp body is located one side of installation department, along vertical direction, support the shell inner face and correspond the installation department is equipped with the mounting groove, correspond the lamp body is equipped with the slot, the slot runs through support the shell and with the mounting groove intercommunication, the bottom plate corresponds the opening part of slot is equipped with spacing portion, works as the pilot lamp is installed when on the support shell, spacing portion supports and holds the bottom of installation department.

Further, the pilot lamp is installed between two the breach, the charging seat still includes the face lid, the face lid is established the side of supporting the shell, wherein, the face lid inner face is equipped with a spacing groove and two trip, the supporting shell corresponds each the trip is equipped with a draw-in groove, the face lid corresponds the lamp body still is equipped with the groove of stepping down, works as the face lid is established when on the supporting shell, the trip is colluded and is established in the draw-in groove, limit part restriction simultaneously is in the spacing inslot, the lamp body is at least partially located the inslot of stepping down.

Further, two limiting protrusions are further arranged on the outer side of the supporting shell and close to the bottom plate, one limiting protrusion is arranged on one side, away from the other notch, of the notch, and each corresponding limiting protrusion of the face cover is provided with an adaptive abdication portion.

Further, the charging seat further comprises a balancing weight, the inner face of the bottom plate is provided with a mounting position, the balancing weight is mounted in the mounting position, a plurality of mounting columns are further arranged on the bottom plate, at least one mounting column is arranged in the mounting position, the balancing weight is provided with a yielding hole corresponding to the mounting column, the control circuit board is provided with a mounting hole corresponding to each mounting column, and each mounting column penetrates through the mounting hole through a fixing piece to fix the control circuit board on the bottom plate.

Further, a heat dissipation structure for increasing the surface area of the base is arranged on the outer side of the base.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the arc-shaped supporting part is arranged on the upper end surface of the base to support the back of the handle, and the width between the arc-shaped supporting part and the two back keys corresponding to the PS5 elite handle is smaller than the distance between the two back keys, so that when the PS5 elite handle is placed on the charging seat, the two back keys are in a suspended state, and the power supply plug connector is arranged on the upper end surface and is close to the arc-shaped supporting part to support the bottom of the handle, and the mounting shell at least partially protrudes out of the upper end surface, and the width between the supporting cambered surface of the mounting shell and the two Fn keys corresponding to the PS5 elite handle is smaller than the distance between the two Fn keys, so that when the PS5 elite handle is placed on the supporting cambered surface, the charging seat can simultaneously keep away the back keys and the Fn keys, and the charging seat can simultaneously be suitable for the PS5 elite handle and the charging seat.

Drawings

Fig. 1 is an overall schematic of an embodiment of the present utility model.

FIG. 2 is a schematic illustration of the connection of the present utility model to a PS5 handle.

FIG. 3 is a schematic illustration of the connection of the present utility model to a PS5 elite handle.

Fig. 4 is an exploded view of an embodiment of the present utility model.

Fig. 5 is a schematic view of an embodiment of the support shell of the present utility model.

Fig. 6 is a cross-sectional view of an embodiment of the present utility model.

Fig. 7 is another angular cross-sectional view of an embodiment of the present utility model.

Fig. 8 is a bottom view of an embodiment of the present utility model.

Reference numerals illustrate:

the charging stand 100, the base 10, the arc-shaped supporting part 11, the upper end face 12, the supporting shell 13, the second connecting column 131, the notch 132, the mounting groove 133, the slot 134, the clamping groove 135, the limiting boss 136, the bottom plate 14, the first connecting column 141, the limiting groove 142, the plug-in part 143, the outer limiting wall 144, the inner limiting wall 145, the limiting part 146, the mounting position 147, the limiting clip angle 1471, the mounting column 148, the mounting cavity 15, the reinforcing rib 16, the heat dissipation structure 17, the power supply plug 20, the charging terminal 21, the mounting shell 22, the supporting arc surface 221, the limiting guide post 23, the control circuit board 30, the mounting hole 31, the power supply interface 40, the indicator lamp 50, the lamp body 51, the mounting part 52, the face cover 60, the limiting groove 61, the clamping hook 62, the yielding groove 63, the yielding part 64, the balancing weight 70, the yielding hole 71, the PS5 handle 200, the PS5 elite handle 300, the back key 310 and the Fn key 320.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. The connection relationships shown in the drawings are for convenience of clarity of description only and are not limiting on the manner of connection.

It is noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component, or intervening components may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It should also be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited; either mechanically or electrically, or by communication between two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It should also be noted that, in the description of the present utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-3, the present utility model provides a charging stand 100 for a PS5 handle 200 for charging the PS5 handle 200 and a PS5 elite handle 300, wherein the charging stand 100 comprises a base 10, a power plug 20, a control circuit board 30 and a power interface 40.

The upper end face 12 of the base 10 is provided with an arc-shaped supporting portion 11, the arc-shaped supporting portion 11 is used for supporting the back side of the PS5 handle 200 (comprising the PS5 handle 200 and the PS5 elite handle 300), the power supply plug 20 is detachably inserted on the upper end face 12 of the base 10 and is close to the arc-shaped supporting portion 11 and used for supporting the bottom of the PS5 handle 200, the power supply plug 20 comprises a charging terminal 21, the control circuit board 30 is arranged in the base 10 and is electrically connected with the charging terminal 21, and the power supply interface 40 is embedded on the base 10 and is electrically connected with the control circuit board 30.

Further, the width between the arc-shaped supporting portion 11 and the two back keys 310 corresponding to the PS5 elite handle 300 is smaller than the distance between the two back keys 310, so that when the PS5 elite handle 300 is placed on the charging stand 100, the arc-shaped supporting portion 11 can support the back of the PS5 elite handle 300 and simultaneously can also achieve the abdication of the two back keys 310, so that the two back keys 310 are in a suspended position.

Referring to fig. 4-8 in combination with fig. 1-3, the power supply plug 20 further includes a mounting shell 22 and a limit guide post 23, wherein the mounting shell 22 at least partially protrudes from the upper end surface 12 and is used for supporting the bottom of the PS5 handle 200, and the limit guide post 23 is used for limiting and inserting corresponding limit guide holes on the PS5 handle 200, so that when the PS5 handle 200 is placed on the charging stand 100 for charging, the limit guide post 23 can be used for performing a preset position, so that the charging terminal 21 can be electrically connected with the PS5 handle 200.

Specifically, the mounting shell 22 includes a supporting arc 221, where the supporting arc 221 is used to support and limit the bottom of the PS5 handle 200 or the PS5 elite handle 300, and cooperate with the arc supporting portion 11 to stably support the PS5 handle 200.

Further, the limiting guide post 23 and the charging terminal 21 are both disposed on the mounting shell 22 and respectively extend out of the supporting arc surface 221, so that the PS5 handle 200 is pre-positioned by the limiting guide post 23, and the charging terminal 21 can be accurately electrically connected with the PS5 handle 200.

Specifically, four charging terminals 21 arranged in a straight line are embedded on the supporting arc surface 221, wherein the limit guide post 23 is disposed between two charging terminals 21 in the middle, and the length of the limit guide post 23 is greater than the length of the charging terminal 21.

Further, the width between the support arc 221 and the two Fn buttons 320 corresponding to the PS5 elite handle 300 is smaller than the distance between the two Fn buttons 320, so that when the PS5 elite handle 300 is placed on the charging stand 100, the two Fn buttons 320 are also in a suspended state.

Further, the power supply plug 20 is detachably mounted on the base 10, so that the power supply plug 20 can be overhauled or replaced after being detached.

In one embodiment, the upper end face 12 of the base 10 is an inclined plane, wherein the inclined plane is disposed obliquely downward along the direction from the power supply plug 20 to the arc-shaped supporting portion 11, and by disposing the upper end face 12 as the inclined plane, the upper end face 12 can further give way to the Fn key 320 and the back key 310.

In one embodiment, the arc-shaped supporting part 11 and the base 10 are integrally formed, so that the arc-shaped supporting part 11 can be stably connected with the base 10, and the arc-shaped supporting part 11 is prevented from being assembled on the base 10, so that assembling steps are saved, assembling efficiency is simplified, and production cost is reasonably controlled.

In another embodiment, the arc-shaped supporting portion 11 may be detachably connected to the base 10, so that the charging stand 100 can be adapted to support other PS5 handles 200 by replacing the arc-shaped supporting portion 11 that does not pass through an arc.

Further, the base 10 includes a supporting shell 13 and a bottom plate 14, the bottom plate 14 is detachably covered on the bottom of the supporting shell 13 and forms a mounting cavity 15, the control circuit board 30 and the power supply plug 20 are disposed in the mounting cavity 15, and the power supply plug 20 at least partially extends out of the supporting shell 13 for charging the PS5 handle 200.

Specifically, the inner surface of the bottom plate 14 is provided with a plurality of first connecting columns 141, each first connecting column 141 is provided with a second connecting column 131 corresponding to each first connecting column 141 on the inner surface of the supporting shell 13, one end of each first connecting column 141, which is far away from the bottom plate 14, is provided with a limiting groove 142, when the first connecting column 141 is connected with the corresponding second connecting column 131, one end of the second connecting column 131, which is close to the bottom plate 14, is inserted into the corresponding limiting groove 142, and the corresponding first connecting column 141 and second connecting column 131 pass through the first connecting column 141 through a screw (not shown) and are locked into the second connecting column 131 to achieve fixed connection.

Further, a reinforcing rib 16 is further disposed between the first connecting column 141 and the bottom plate 14 for structural reinforcement, and the reinforcing rib 16 is also disposed between the second connecting column 131 and the supporting shell 13 for structural reinforcement.

Further, two notches 132 are provided at the bottom end of the support shell 13, and an adaptive plug-in portion 143 is provided on the bottom plate 14 corresponding to each notch 132, and by setting the notches 132 and the plug-in portion 143, the bottom plate 14 and the support shell 13 can be quickly positioned and prevented from rotating relative to each other between the bottom plate 14 and the support shell 13 when assembled and connected.

Specifically, the plugging portion 143 includes an outer limiting wall 144 and an inner limiting wall 145, a distance between the outer limiting wall 144 and the inner limiting wall 145 is not smaller than a thickness of the supporting shell 13 corresponding to the notch 132, when the supporting shell 13 is connected with the bottom plate 14, the plugging portion 143 is embedded in the notch 132, and the outer limiting wall 144 is coated on the outer side of the supporting shell 13 corresponding to the notch 132, and the inner limiting wall 145 is limited on the inner side of the supporting shell 13 corresponding to the notch 132.

Further, the charging stand 100 further includes an indicator light 50, where the indicator light 50 is electrically connected to the control circuit board 30, and the indicator light 50 is used to indicate whether the charging stand 100 is connected to an external power source, and when the external power source is electrically connected to the charging stand 100, the indicator light 50 is turned on.

Further, the indicator lamp 50 includes a lamp body 51 and an installation portion 52, the lamp body 51 is disposed on one side of the installation portion 52, an installation groove 133 is disposed on the inner surface of the support shell 13 corresponding to the installation portion 52 along the vertical direction, a slot 134 is disposed on the support shell 13 corresponding to the lamp body 51, the slot 134 penetrates through the support shell 13 and is communicated with the installation groove 133, when the indicator lamp 50 is installed on the support shell 13, the installation portion 52 is embedded in the installation groove 133, and the lamp body 51 is inserted in the slot 134.

Further, the bottom plate 14 is further provided with a limiting portion 146 at the opening corresponding to the slot 134, when the indicator lamp 50 is mounted on the support shell 13, the limiting portion 146 abuts against the bottom of the mounting portion 52, and by setting the limiting portion 146, the indicator lamp 50 is mounted on the base 10 without any locking member, so that the fixing can be achieved, the mounting step can be simplified, the mounting efficiency can be improved, and the production cost can be reasonably controlled.

Further, the indicator lamp 50 is mounted between the two notches 132 and the lamp body 51 extends out of the support housing 13 at least partially, and the charging stand 100 further includes a cover 60, where the cover 60 covers the side surface of the support housing 13 and protects the side surface of the portion of the lamp body 51 extending out of the support housing 13, so as to prevent the portion of the lamp body 51 extending out of the support housing 13 from being bumped.

Specifically, a limiting groove 61 and two hooks 62 are disposed on the inner surface of the cover 60, a clamping groove 135 is disposed on the support shell 13 corresponding to each hook 62, a relief groove 63 is disposed on the cover 60 corresponding to the lamp body 51, when the cover 60 is covered on the support shell 13, the hooks 62 are hooked in the clamping groove 135, the limiting portion 146 is limited in the limiting groove 61, and the lamp body 51 is at least partially located in the relief groove 63.

Through setting up spacing groove 61 and through spacing portion 146 is restricted simultaneously in spacing groove 61, make spacing portion 146 not only can be right pilot lamp 50 is spacing, can also be right face lid 60 is spacing, so that face lid 60 under the effect of trip 62 with draw-in groove 135 and spacing groove 61 with spacing portion 146 is installed support shell 13 surface and is protected lamp body 51.

Further, two limiting protrusions 136 are further disposed on the outer side of the supporting shell 13 near the bottom plate 14, one limiting protrusion 136 is disposed on a side of one notch 132 away from the other notch 132, and an adaptive abdication portion 64 is disposed on each corresponding limiting protrusion 136 of the cover 60.

By providing the limiting projection 136 and the relief portion 64, the connection strength of the cover 60 to the support case 13 can be further enhanced, and the cover 60 can be prevented from shaking relative to the support case 13.

Further, the charging stand 100 further includes a balancing weight 70, an installation position 147 is disposed on the inner surface of the bottom plate 14, and the balancing weight 70 is installed in the installation position 147, wherein the installation position 147 is formed by a plurality of limiting clamping angles 1471, and the limiting clamping angles 1471 are respectively limited at edges of the balancing weight 70.

Further, the base plate 14 is further provided with a plurality of mounting posts 148, at least one of the mounting posts 148 is disposed in the mounting position 147, the balancing weight 70 is provided with a yielding hole 71 corresponding to the mounting post 148, the control circuit board 30 is provided with a mounting hole 31 corresponding to each of the mounting posts 148, and each of the mounting posts 148 is fixed on the base plate 14 by a fixing member (not shown) penetrating through the mounting hole 31.

Specifically, the backside of the control circuit board 30 is at least partially attached to the weight block 70, and the mounting post 148 is provided to mount the control circuit board 30, so that not only the weight block 70 can support the control circuit board 30, but also the weight block 70 can be fixed in the mounting position 147, and the weight block 70 can absorb heat generated when the control circuit board 30 works, thereby dissipating heat generated when the control circuit board 30 works.

Further, a heat dissipation structure 17 is disposed on the outer side of the base 10 to increase the surface area of the base 10. Specifically, the heat dissipation mechanism may be disposed on the support shell 13 and/or on the arc-shaped support portion 11, where the heat dissipation structure 17 is a heat dissipation protrusion and/or a heat dissipation groove.

In the description and claims of the present utility model, the words "comprise/comprising" and the words "have/include" and variations thereof are used to specify the presence of stated features, values, steps, or components, but do not preclude the presence or addition of one or more other features, values, steps, components, or groups thereof.

Some features of the utility model, which are, for clarity of illustration, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, some features of the utility model, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.

The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A charging dock for a PS handle for charging a PS5 handle and a PS5 elite handle, the charging dock comprising:

the upper end face of the base is provided with an arc-shaped supporting part which is used for supporting the back side of the handle, wherein the width between two back keys of the PS5 elite handle corresponding to the arc-shaped supporting part is smaller than the distance between the two back keys;

the power supply plug connector is detachably inserted on the upper end face and is close to the arc-shaped supporting part, the power supply plug connector comprises a mounting shell, a limiting guide post and a charging terminal, the mounting shell at least partially protrudes out of the upper end face, the mounting shell comprises a supporting cambered surface, the supporting cambered surface is used for supporting the PS5 handle or the bottom of the PS5 elite handle, the limiting guide post and the charging terminal are both arranged on the mounting shell and respectively extend out of the supporting cambered surface, and the width between two Fn keys of the PS5 elite handle corresponding to the supporting cambered surface is smaller than the distance between the Fn keys;

the control circuit board is arranged in the base and is electrically connected with the charging terminal;

the power interface is embedded on the base and is electrically connected with the control circuit board.

2. The charging stand for a PS handle according to claim 1, wherein the upper end surface of the base is a slope, and the slope is disposed obliquely downward in a direction from the power supply plug-in connector to the arc-shaped supporting portion.

3. A charging stand for a PS handle according to claim 1, wherein the arc-shaped support is integrally formed with the base.

4. A charging stand for a PS handle according to claim 1, wherein the base comprises a support housing and a base plate detachably capped at the bottom of the support housing.

5. The charging seat for a PS handle according to claim 4, wherein two notches are formed in the bottom end of the supporting shell, an adaptive plug-in portion is formed in the bottom plate corresponding to each notch, the plug-in portion comprises an outer limiting wall and an inner limiting wall, when the supporting shell is connected with the bottom plate, the plug-in portion is embedded in the notch, the outer limiting wall is wrapped on the outer side of the supporting shell corresponding to the notch, and the inner limiting wall is limited on the inner side of the supporting shell corresponding to the notch.

6. The charging seat for a PS handle according to claim 5, further comprising an indicator lamp, wherein the indicator lamp comprises a lamp body and a mounting portion, the lamp body is arranged on one side of the mounting portion, a mounting groove is formed in the inner surface of the supporting shell corresponding to the mounting portion along the vertical direction, a slot is formed in the inner surface of the supporting shell corresponding to the lamp body, the slot penetrates through the supporting shell and is communicated with the mounting groove, a limiting portion is arranged at the opening of the bottom plate corresponding to the slot, and when the indicator lamp is mounted on the supporting shell, the limiting portion abuts against the bottom of the mounting portion.

7. The charging stand for a PS handle according to claim 6, wherein the indicator light is mounted between the two notches, the charging stand further comprises a cover, the cover is disposed on a side surface of the supporting case, a limit groove and two hooks are disposed on an inner surface of the cover, the supporting case is provided with a clamping groove corresponding to each hook, the cover is further provided with a yielding groove corresponding to the lamp body, when the cover is disposed on the supporting case, the hooks are hooked in the clamping grooves, the limit part is simultaneously limited in the limit groove, and the lamp body is at least partially disposed in the yielding groove.

8. The charging seat for a PS handle according to claim 7, wherein two limiting protrusions are further disposed on the outer side of the supporting shell and close to the bottom plate, one limiting protrusion is disposed on one side of one notch away from the other notch, and each corresponding limiting protrusion of the face cover is provided with an adaptive abdication portion.

9. The charging stand for a PS handle according to claim 4, further comprising a weight, wherein an installation position is provided on an inner surface of the base plate, the weight is installed in the installation position, a plurality of installation posts are further provided on the base plate, at least one of the installation posts is provided in the installation position, the weight is provided with a yielding hole corresponding to the installation post, the control circuit board is provided with an installation hole corresponding to each installation post, and each installation post passes through the installation hole through a fixing member to fix the control circuit board on the base plate.

10. A charging stand for a PS handle according to any of claims 1-9, characterized in that the outside of the base is provided with a heat dissipating structure increasing the surface area of the base.