CN213511861U - Cloud platform shock-absorbing structure and mobile device - Google Patents

Abstract

The application relates to a cloud platform technical field particularly, relates to a cloud platform shock-absorbing structure and mobile device. Cloud platform shock-absorbing structure includes: the fixing seat is used for detachably connecting the mobile equipment and is provided with an accommodating cavity, and the accommodating cavity is provided with an opening for allowing the tripod head to extend out; the mounting seat is positioned in the accommodating cavity and is used for connecting the holder; the first damping device is abutted between the mounting seat and the side wall of the accommodating cavity. The application provides a cloud platform damper utilizes fixing base and mount pad cooperation installation cloud platform, wherein the fixing base is connected in mobile device and is formed and hold the chamber, a mount pad for connecting the cloud platform is installed in holding the chamber through a damping device, thereby a damping device plays absorbing effect to the cloud platform, compare the mode that has now hung, the mount pad is difficult to deviate from in holding the chamber from the fixing base, connection stability is good, therefore, the cloud platform damper that this application provided can compromise better cloud platform shock attenuation effect and better cloud platform installation stability.

Description

Cloud platform shock-absorbing structure and mobile device

Technical Field

The application relates to a cloud platform technical field particularly, relates to a cloud platform shock-absorbing structure and mobile device.

Background

The cradle head is often hung on mobile equipment, and in order to reduce vibrations, need adopt shock attenuation device to connect cradle head and mobile equipment, and in the use, the shock attenuation device can play the effect of shock attenuation, but sometimes has the poor problem of connection stability.

SUMMERY OF THE UTILITY MODEL

The application aims at providing a cloud platform shock-absorbing structure and mobile device to how to compromise the problem of cloud platform shock attenuation and cloud platform installation stability in the solution.

The embodiment of the application is realized as follows:

in a first aspect, an embodiment of the present application provides a pan/tilt head shock-absorbing structure, including:

the holder is used for detachably connecting the mobile equipment and is provided with an accommodating cavity, and the accommodating cavity is provided with an opening for allowing the holder to extend out;

the mounting seat is positioned in the accommodating cavity and is used for connecting the holder;

and the first damping device is abutted between the mounting seat and the side wall of the accommodating cavity.

The application provides a cloud platform damper utilizes fixing base and mount pad cooperation installation cloud platform, wherein the fixing base is connected in mobile device and is formed and hold the chamber, a mount pad for connecting the cloud platform is installed in holding the chamber through a damping device, thereby a damping device plays absorbing effect to the cloud platform, compare the mode that has now hung, the mount pad is difficult to deviate from in holding the chamber from the fixing base, connection stability is good, therefore, the cloud platform damper that this application provided can compromise better cloud platform shock attenuation effect and better cloud platform installation stability.

In an embodiment of the present application, optionally, a first connecting piece is disposed on the mounting seat, and one end of the first damping device is connected to the first connecting piece.

In above-mentioned technical scheme, first damping device's one end is connected behind the first connecting piece of mount pad, and the other end supports again and holds on the intracavity wall that holds of fixing base, further improves first damping device's installation stability to and the connection stability of mount pad and fixing base, thereby further compromise better cloud platform shock attenuation effect and better cloud platform installation stability.

In an embodiment of the present application, optionally, a second connecting member is disposed on a side wall of the accommodating cavity, and the other end of the first damping device is connected to the second connecting member.

In above-mentioned technical scheme, first damping device's the other end is connected to the second connecting piece to further stabilize first damping device, under the absorbing condition, further improve cloud platform installation stability. Moreover, in the technical scheme, the fixed seat and the mounting seat are not directly connected but connected through the first damping device, so that a better damping effect is achieved.

In an embodiment of the present application, optionally, the first shock absorbing device is formed with a first insertion hole and a second insertion hole;

the first connecting piece comprises a first inserting tongue which is inserted into the first inserting hole;

the second connecting piece comprises a second inserting tongue, and the second inserting tongue is inserted into the second inserting hole.

In the above technical scheme, the two ends of the first damping device are respectively in plug-in fit with the fixed base and the mounting base, and the effect of convenient connection is further achieved on the basis of considering the good cloud deck damping effect and the good cloud deck mounting stability.

In an embodiment of the present application, optionally, an end of the first tongue extends toward a bottom wall of the accommodating cavity; the end part of the second insertion tongue extends towards the direction of the holder.

In the technical scheme, the end part of the first insertion tongue extends towards the bottom of the accommodating cavity, and after the end part of the first insertion tongue is inserted into the first damping device, the first damping device is not easy to fall off from the accommodating cavity, so that the mounting stability of the holder can be improved; the second tongue of mount pad can be followed and is held the outside other end that inserts first damping device of the inside of chamber to the mount pad is hung in the fixing base through first damping device. In this scheme, the cloud platform installation is stable to can drag first damping device at the export that holds the chamber to the direction between the diapire and warp the shock attenuation, also can extrude first damping device's both ends and warp the shock attenuation, have better shock attenuation effect.

In an embodiment of the present application, optionally, an axial end surface of the first damping device abuts against the fixing seat and an inner wall of the accommodating cavity, and the first insertion hole and the second insertion hole are perpendicular to a length direction of the first damping device, respectively.

In the technical scheme, two axial end faces of the first damping device respectively support the fixed seat and the accommodating cavity, the first jack and the second jack respectively penetrate through the first damping device, the first damping device can relieve vibration in multiple directions, the first inserting tongue and the fixed seat are arranged between the accommodating cavity inner walls, and a damping pad is formed between the second inserting tongue and the main body structure of the mounting seat, so that the first inserting tongue is in elastic contact with the accommodating cavity inner walls of the fixed seat, the second inserting tongue is in elastic contact with the main body structure of the mounting seat, the damping effect is further improved, and the installation is convenient.

In an embodiment of the present application, optionally, the pan/tilt head damping structure further includes a second damping device, and the second damping device connects the bottom wall of the accommodating chamber and the mounting seat.

In above-mentioned technical scheme, second damping device connects the mount pad in the diapire that holds the chamber to further prevent the mount pad from breaking away from the fixing base, play and further compromise better cloud platform shock attenuation effect and better cloud platform installation stability.

In an embodiment of the present application, optionally, both ends of the second damping device are connected to the mounting base, and a third connecting member is formed on the bottom wall of the accommodating cavity, and the third connecting member is connected to a middle portion of the second damping device.

In above-mentioned technical scheme, the mount pad is not directly continuous with the diapire that holds the chamber, but links to each other through second damping device, and not only the shock attenuation is effectual, can alleviate the vibration of multiple direction, still connects stably.

In an embodiment of the present application, optionally, the fixing base includes a first connecting portion and a second connecting portion, the opening of the accommodating cavity is located at the first connecting portion, and the bottom wall of the accommodating cavity is located at the second connecting portion;

the first connecting part extends out of the mobile equipment, and the second connecting part extends into the mobile equipment and is connected with the mobile equipment.

In above-mentioned technical scheme, the one end of fixing base is first connecting portion, the other end and second connecting portion, and the one end of second connecting portion stretches into and connects the mobile device, and the one end of first connecting portion stretches out and encorbelments outside for the whole structure of encorbelmenting of connecting mobile device and cloud platform of cloud platform shock-absorbing structure, overall structure is stable, the bearing capacity is good, makes the cloud platform installation stable, and has better shock attenuation effect to the cloud platform.

In a second aspect, an embodiment of the present application provides a mobile device, which includes a body and the foregoing cradle head shock-absorbing structure, the fixing base of the cradle head shock-absorbing structure is connected to the body.

The application provides a mobile device can carry on the cloud platform through cloud platform shock-absorbing structure steadily, compromise better cloud platform shock attenuation effect and better cloud platform installation stability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic perspective view of a cradle head mounted on a mobile device through a cradle head shock-absorbing structure;

fig. 2 is a schematic perspective view of the mobile device with the holder and the holder shock-absorbing structure integrally detached;

fig. 3 is an exploded view of the pan/tilt head, the pan/tilt head shock absorbing structure, and the mobile device;

fig. 4 is a schematic perspective view of the first and second damping devices connected to the mounting base;

FIG. 5 is an enlarged view of portion I of FIG. 4;

FIG. 6 is a perspective view of a first damping device;

FIG. 7 is a schematic perspective view of the mounting base connected to the fixing base;

FIG. 8 is an enlarged view of portion II of FIG. 7;

FIG. 9 is a left side view of the mounting base being attached to the mounting base;

FIG. 10 is a right side view of the mounting base being attached to the mounting base;

FIG. 11 is a perspective view of a second damping device;

FIG. 12 is a top view of the mounting base connected to the mounting base;

fig. 13 is a sectional view III-III of fig. 12.

Icon: a-a mobile device; a01-carrying cavity; a02-convex column; b, a cradle head damping structure; c-cloud deck; 100-a fixed seat; 110 — a first connection; 111-anchor holes; 112-an anchor; 120-a second connection; 130-a containment chamber; 131-a first connector; 132-a third connector; 140-an opening; 200-a mounting seat; 210-mounting a disc; 220-a clamping arm; 221-limiting hole; 230-a second connector; 300-a first damping device; 310-a first receptacle; 320-a second receptacle; 330-a through hole; 400-a second damping device; 410-a limiting part; 420-third jack.

Detailed Description

Examples

The application provides a cloud platform shock-absorbing structure and mobile device, cloud platform are connected in mobile device through this cloud platform shock-absorbing structure, can compromise better cloud platform shock attenuation effect and better cloud platform installation stability.

As shown in fig. 1 and fig. 2, the cradle head C is connected to the cradle head damping structure B, and the cradle head damping structure B is connected to the body of the mobile device a. The mobile equipment A can be handheld equipment, and after a machine body of the mobile equipment A carries the holder C through the holder damping structure B, the handheld holder C is formed; the mobile equipment A can also be a trolley, and when the body of the mobile equipment A carries the holder C through the holder damping structure B, the body can move on the ground on the carrying holder C; mobile device A can also be unmanned aerial vehicle, carries on cloud platform C back through cloud platform shock-absorbing structure B when mobile device A's fuselage, can make cloud platform C work under flight condition.

Please further refer to fig. 3, fig. 4 and fig. 5, the holder damping structure B includes a fixing base 100, a mounting base 200 and a first damping device 300, the fixing base 100 is used for detachably connecting the mobile device a, the mounting base 200 is used for detachably connecting the holder C, and the mounting base 200 is connected to the fixing base 100 through the first damping device 300, so as to achieve both the connection function and the damping function.

The fixing base 100 is formed with an accommodating cavity 130, one end of the accommodating cavity 130 forms an opening 140, the mounting base 200 is located in the accommodating cavity 130, two ends of the first damping device 300 are abutted between the mounting base 200 and a side wall of the accommodating cavity 130 so that the mounting base 200 is elastically connected with the fixing base 100, and the pan-tilt-head C is mounted on the mounting base 200 and extends out from the opening 140 of the accommodating cavity 130. Compare the mode of current hanging, mount pad 200 is difficult to deviate from the chamber 130 that holds of fixing base 100, and connection stability is good, can compromise better cloud platform C shock attenuation effect and better cloud platform C installation stability.

The fixing base 100 includes a first connecting portion 110 and a second connecting portion 120, the accommodating cavity 130 is formed through the first connecting portion 110 and the second connecting portion 120, the opening 140 of the accommodating cavity 130 is located at the position of the first connecting portion 110, and the second connecting portion 120 is connected to the mobile device a, so that after the mounting base 200 carries the cradle head C and is mounted in the accommodating cavity 130, the cradle head C is connected to the mobile device a in an overhanging manner. Under the fixed action of fixing base 100, cloud platform C and the mount pad 200 of connecting behind it are equivalent to connect in mobile device A with the form of cantilever, compare current suspension mode, and connection length is longer, and bearing capacity is higher, so cloud platform C installs more stably.

Generally speaking, the main reason why the cradle head C falls off is that the cradle head C and the mobile device a get rid of the connection effect of the damping device, the cradle head C is fixed on the mounting base 200 in the embodiment, if the mounting base 200 and the cradle head C fall off, it is necessary that the mounting base 200 is entirely separated from the accommodating cavity 130, therefore, compared with the prior art, the cradle head damping structure B provided in the embodiment enables the cradle head C to fall off with respect to the mobile device a, when the connection instability between the mounting base 200 and the fixing base 100 is found, the cradle head C can be maintained before falling off, so as to avoid the damage of the cradle head C due to the installation instability.

To further enhance the mounting stability of the cradle head C, a mounting cavity a01 shown in fig. 2 is formed on the body of the mobile device a, so that the second connecting portion 120 of the fixing base 100 can extend into the mounting cavity a01, and an anchoring hole 111 is formed on the first connecting portion 110, so that the anchoring member 112 passes through the anchoring hole 111 to detachably connect the fixing base 100 to the body of the mobile device a.

In order to stabilize the connection, the first connecting member 131 is disposed on the mounting base 200, and one end of the first damping device 300 is connected to the first connecting member 131.

For stable connection, the holder 100 is provided with a second connection member 230, the second connection member 230 is formed on a sidewall of the receiving chamber 130, and the other end of the first damper 300 is connected to the second connection member 230.

Under the action of the first connecting member 131, the second connecting member 230 and the first shock absorbing device 300, the mounting seat 200 is not directly connected with the fixed seat 100, but forms a stable elastic connection relationship through the first shock absorbing device 300.

Some mobile device A's load size is great to its influence that moves the performance, unmanned aerial vehicle for example, unmanned aerial vehicle's load is big more, and the time of endurance is short more, the degree of difficulty of steady flight is big more, for alleviateing mobile device A's load, has alleviateed cloud platform shock-absorbing structure B's weight in this embodiment.

As shown in fig. 2, in order to reduce weight, a side wall of the receiving cavity 130 is partially omitted, the first connecting portion 110 of the fixing base 100 is configured as a mounting frame, and the second connecting portion 120 is configured as a U-shaped frame connected to the mounting frame.

The first connection part 110 remains a part for connecting the mobile device a, i.e., an installation frame. The mounting frame is L-shaped in cross-section and includes a portion of a side wall of the receiving cavity 130 and an end wall opposite the bottom wall, and the opening 140 of the receiving cavity 130 is located on the end wall.

The second connection part 120 leaves portions for forming the first connection members 131, i.e., opposite sides of the U-shaped frame; meanwhile, in order to maintain the overall rigidity of the structure, the second connecting portion 120 also leaves a strip portion, i.e., the bottom edge of the U-shaped frame, at the bottom wall of the receiving cavity 130.

To further reduce weight, mount 200 is configured as a mounting plate 210 and two clip arms 220 extending from one face of mounting plate 210, as shown in fig. 4. Be formed with the screw hole on the mounting disc 210, cloud platform C threaded connection is in this threaded hole, and two arm lock 220 are located the one side that mounting disc 210 deviates from cloud platform C, and two arm lock 220 set up relatively and stretch out to the direction of keeping away from cloud platform C. The two clamping arms 220 are located between the two arms of the U-shaped frame and extend to a position near the bottom wall of the receiving cavity 130.

In order to enhance the connection, the fixing base 100 has a plurality of first connecting members 131, and the plurality of first connecting members 131 are distributed on the mounting frame. The mounting base 200 has a plurality of second connection members 230, and the plurality of second connection members 230 are distributed around the mounting plate 210.

The first connecting member 131 is a first tongue protruding from the sidewall of the accommodating chamber 130, and an end of the first tongue extends toward the bottom wall of the accommodating chamber 130; the second connecting member 230 is a second tongue protruding from the mounting plate 210, and an end of the second tongue extends toward the direction of the cradle head C.

The number of the first shock absorbing devices 300 is also plural accordingly. Each of the first shock absorbing devices 300 has a first insertion hole 310 and a second insertion hole 320, the first insertion hole 310 and the second insertion hole 320 are perpendicular to the length direction of the first shock absorbing device 300, respectively, wherein the first insertion hole 310 is engaged with the first insertion tongue, and the second insertion hole 320 is engaged with the second insertion tongue.

The number of the first and second insertion tongues and the first damper 300 is four in the present embodiment. As shown in fig. 5, 6, 7 and 8, four first insertion tongues are formed at four corners of the mounting frame, and four second insertion tongues are uniformly distributed around the mounting plate 210.

For further explaining the installation principle of the pan/tilt head damping structure B provided in this embodiment, please refer to fig. 2, fig. 4, fig. 7, fig. 9, and fig. 10.

First, as shown in fig. 4, the pan/tilt head C and the first damping device 300 are connected to the mounting base 200.

In a second step, as shown in fig. 7, 9 and 10, the mounting seat 200 is placed in the receiving cavity 130 of the fixing seat 100, and the first shock absorbing device 300 is connected to the fixing seat 100.

Thirdly, as shown in fig. 2, the cradle head C, the mounting seat 200 and the fixing seat 100 are integrally mounted in the mounting cavity a01 of the mobile device a, so as to form the structure shown in fig. 1.

In the first step, the end of the first insertion tongue is inserted into the first insertion hole 310, so that the first shock absorbing device 300 is hung on the fixing base 100, and the first shock absorbing device 300 is not easily pulled out of the accommodating cavity 130.

In the second step, the end of the second insertion tongue is inserted into the second insertion hole 320 in the opposite direction to the first insertion tongue, so that the mount 200 is hung on the first shock-absorbing device 300.

Under the effect of a plurality of first inserting tongues, a plurality of second inserting tongues and a plurality of damping device 300, mount pad 200 multiple spot elasticity is hung and is located fixing base 100, is difficult to drop, and cloud platform C installs stably. And the first damping device 300 can deform and damp in the direction from the outlet of the accommodating cavity 130 to the bottom wall, and can also extrude the two ends of the accommodating cavity to deform and damp, so that the damping effect is good.

In order to further prevent the first shock absorbing device 300 from falling off, a limiting protrusion is formed at the end of the first insertion tongue and the end of the second insertion tongue, respectively, so that the end of the first insertion tongue is larger than the first insertion hole 310, and the end of the second insertion tongue is larger than the second insertion hole 320. When installed, a large force may be manually applied to pass the tip of the first tab through the first receptacle 310 in an interference state and to pass the tip of the second tab through the second receptacle 320 in an interference state. The force that can make the end of first tongue, the end of second tongue pass through is set up to be greater than the gravity of cloud platform C and mount pad 200.

Two axial end faces of the first damping device 300 respectively abut against the fixed seat 100 and the accommodating cavity 130, the first insertion hole 310 and the second insertion hole 320 respectively penetrate through the first damping device 300, the first damping device 300 can relieve vibration in multiple directions, and a damping pad is formed between the first insertion tongue and the inner wall of the accommodating cavity 130 of the fixed seat 100 and between the second insertion tongue and the main structure of the mounting seat 200, so that the first insertion tongue is in elastic contact with the inner wall of the accommodating cavity 130 of the fixed seat 100, and the second insertion tongue is in elastic contact with the main structure of the mounting seat 200.

Still be formed with another through-hole 330 on first damping device 300, this through-hole 330 is located between first jack 310 and the second jack 320, makes first damping device 300 fretwork at this through-hole 330, has increased the deformable degree of first damping device 300, and the shock attenuation effect promotes greatly.

In the third step, the U-shaped frame extends into the carrying cavity a01 of the mobile device a, the remaining end wall of the accommodating cavity 130 is formed with a plurality of anchoring holes 111, and the plurality of anchoring members 112 are connected with the mobile device a through the plurality of anchoring holes 111 in a one-to-one correspondence. In order to improve the connection stability, the mobile device a is formed with a plurality of protruding columns a02, and a plurality of protruding columns a02 are located around the opening 140 of the carrying cavity a 01. When the fixing seat 100 is installed on the mobile device a, the plurality of protruding columns a02 are located inside the installation frame, the top end of the protruding column a02 abuts against the end wall of the accommodating cavity 130, the side surface of the protruding column a02 abuts against the side wall of the accommodating cavity 130, the top end of the protruding column a02 is provided with a threaded hole, and the threaded hole is opposite to the anchoring hole 111 on the installation frame. Under the cooperation of the protruding pillar a02 and the mounting frame, and the action of the anchoring member 112, the fixing base 100 of the present embodiment is detachably and stably connected to the mobile device a.

For further improving cloud platform C installation stability and shock attenuation effect, cloud platform shock-absorbing structure B that this embodiment provided still includes second damping device 400, and second damping device 400 is used for connecting the diapire and the mount pad 200 that hold chamber 130.

Both ends of the second shock absorbing device 400 are connected to the mounting base 200, a third connecting member 132 is formed on the bottom wall of the accommodating chamber 130, and the third connecting member 132 is connected to the middle portion of the second shock absorbing device 400. The mounting seat 200 and the bottom wall of the accommodating chamber 130 are not directly connected, but connected through the second shock absorbing device 400, which not only is stable in connection, but also can further alleviate vibration in various directions.

Fig. 11 shows a structure of the second shock absorbing device 400, wherein a third insertion hole 420 is formed in the middle of the second shock absorbing device 400, and two ends of the second shock absorbing device 400 are respectively formed with a limiting portion 410.

Referring to fig. 3, the two clamping arms 220 of the mounting base 200 are respectively formed with a limiting hole 221, two ends of the second damping device 400 respectively pass through the two limiting holes 221, and the limiting portions 410 at the two ends are used for limiting the two ends of the second damping device 400 to be separated from the limiting holes 221.

In the second step of installation, both ends of the second shock absorbing device 400 are pressed to compress the stopper portion 410 to pass through the stopper hole 221, and after being released, the stopper portion 410 is deformed back to restrict the escape, as shown in fig. 12. The bottom wall of the fixing base 100 is formed with a third connecting member 132, and the third connecting member 132 is connected to the middle position of the second damping device 400.

Alternatively, as shown in fig. 13, the third connecting member 132 is a third inserting tongue, and the third inserting tongue is inserted into the third inserting hole 420 of the second shock absorbing device 400.

To further strengthen the connection, the end of the third tongue is formed with a stopper protrusion so that the end of the third tongue is larger than the third insertion hole 420. When installed, a large force may be manually applied to pass the tip of the third tab through the third receptacle 420 in an interference state.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A cloud platform shock-absorbing structure which characterized in that includes:

the holder is used for detachably connecting the mobile equipment and is provided with an accommodating cavity, and the accommodating cavity is provided with an opening for allowing the holder to extend out;

the mounting seat is positioned in the accommodating cavity and is used for connecting the holder;

and the first damping device is abutted between the mounting seat and the side wall of the accommodating cavity.

2. A pan and tilt head damping structure according to claim 1, wherein the mounting base is provided with a first connecting member, and one end of the first damping device is connected to the first connecting member.

3. A pan and tilt head damping structure according to claim 2, wherein a second connecting member is provided on a side wall of the accommodating chamber, and the other end of the first damping device is connected to the second connecting member.

4. A pan and tilt head damping structure according to claim 3, wherein the first damping means is formed with a first insertion hole and a second insertion hole;

the first connecting piece comprises a first inserting tongue which is inserted into the first inserting hole;

the second connecting piece comprises a second inserting tongue, and the second inserting tongue is inserted into the second inserting hole.

5. A pan and tilt head damping structure according to claim 4, wherein an end of the first tongue extends in the direction of the bottom wall of the accommodation chamber; the end part of the second insertion tongue extends towards the direction of the holder.

6. A pan and tilt head damping structure according to claim 4, wherein an axial end face of the first damping device abuts against the fixing base and an inner wall of the accommodating chamber, and the first insertion hole and the second insertion hole are perpendicular to a length direction of the first damping device, respectively.

7. A pan and tilt head suspension structure according to claim 1, further comprising second suspension means connecting said bottom wall of said housing chamber and said head.

8. A pan and tilt head damping structure according to claim 7, wherein the second damping device is connected at both ends to the mounting base, and a third connecting member is formed on the bottom wall of the accommodating chamber and connected to a middle portion of the second damping device.

9. A pan and tilt head damping structure according to claim 1, wherein the holder comprises a first connection portion and a second connection portion, the opening of the accommodation chamber being located at the first connection portion, the bottom wall of the accommodation chamber being located at the second connection portion;

the first connecting part extends out of the mobile equipment, and the second connecting part extends into the mobile equipment and is connected with the mobile equipment.

10. A mobile device, characterized in that it comprises a body and a pan-tilt damping structure according to any one of claims 1 to 9, the holder of said pan-tilt damping structure being connected to said body.

Images