CN211087421U - Tray structure and self-service financial equipment - Google Patents

Abstract

The utility model provides a tray structure and self-service financial equipment, including tray and slip subassembly, the tray is including the bearing board that plays the supporting effect, and the slip subassembly includes guide rail and slider, and bearing board below is located to the slider, and the bearing board at least part stretches out to the slider outside, and the guide rail is used for fixing on external equipment, and the slider can be slided along the guide rail when the tray is dragged. Through setting up tray and slip subassembly, the slip subassembly is including can mutually support gliding guide rail and slider, the tray is including bearing the board, the slider sets up the below at bearing the board, and bearing the board at least part stretches out to the slider outside, make the slider be located the inboard of bearing the board below, the whole length dimension and the width dimension of tray structure are the length dimension and the width dimension of bearing the board, avoid setting up the length dimension and the width dimension's of tray structure influence of slider and guide rail, the occupation space of tray structure has been reduced effectively, be convenient for the installation of guide rail and slider.

Description

Tray structure and self-service financial equipment

Technical Field

The utility model belongs to the technical field of financial equipment, more specifically say, relate to a tray structure and self-service financial equipment.

Background

The existing public self-service financial equipment is mainly applied to business such as business of inquiring or printing transaction water, protocols, bills and opening cards by a client in a bank. Functional modules such as bill issuing module and printer module are provided with to general correspondence in the self-service financial equipment, and these functional modules generally set up on the inside tray of self-service financial equipment, set up on the tray and can realize the guide rail that the tray dragged, and when functional module need change or maintenance work, the accessible pulling tray drags functional module out.

At present, the guide rail generally sets up in the both sides of tray, has increased the holistic width of tray to the great space of self-service financial equipment who occupies. However, since there are many functional modules in the self-service financial device and the space inside is very limited, when the space inside the self-service financial device in the width direction is insufficient, it is difficult to mount the tray and the guide rail.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an one of purpose lies in: the utility model provides a tray structure and self-service financial equipment, aims at solving prior art, and the guide rail of installation tray occupies along the great technical problem that leads to being difficult to the installation of the space on the width direction.

In order to solve the above problem, the embodiment of the present invention adopts the following technical solutions:

in a first aspect, a tray structure is provided, which includes a tray and a sliding component, the tray includes a supporting plate for supporting, the sliding component includes a guide rail and a slider, the slider is disposed under the supporting plate, and at least a portion of the supporting plate extends to the outside of the slider, the guide rail is used for being fixed on an external device, and the slider can slide along the guide rail when the tray is dragged.

Furthermore, the supporting plate comprises a supporting part and an extending part arranged on the supporting part, the tray further comprises a fixing part arranged on the supporting part, and the sliding block is arranged on the fixing part.

Optionally, the fixing portion and the supporting portion are integrally formed, the fixing portion is bent downward around the supporting portion, and at least a part of the fixing portion is left on the supporting portion to form the extending portion.

Optionally, a first length of the extension portion in a first direction is 1/5-2/5 of a second length of the retainer portion in the first direction.

Optionally, an edge of the extending portion extending outward along the second direction is connected to the supporting portion, a third length of the extending portion along the second direction is 1/5 to 2/5 of a fourth length of the fixing portion along the third direction, and the first direction, the second direction and the third direction are mutually perpendicular in pairs.

Furthermore, the supporting portion is bent along the edge to form a first bent portion, and the fixing portion is bent along the edge to form a second bent portion.

Optionally, the number of the sliding blocks and the number of the guide rails are two, and the supporting part is provided with two fixing parts arranged at intervals;

the two sliding blocks are respectively arranged on the opposite sides of the two fixing parts, and the two guide rails are respectively arranged on the opposite sides of the two sliding blocks; or the two sliding blocks are respectively arranged on one side opposite to the two fixing parts, and the two guide rails are respectively arranged on one side opposite to the two sliding blocks.

Further, the guide rail includes the casing, sets up in guide slot on the casing and locating elastic arm on the casing, the slider cunning is located in the guide slot, be equipped with the limiting plate on the slider, the elastic arm can with the limiting plate counterbalance is in order to right the slider carries out spacingly.

Furthermore, a drag chain is arranged on the tray, the drag chain can drag along the sliding block when the sliding block slides along the guide rail, a wire accommodating groove is formed in the drag chain, and the wire accommodating groove is used for accommodating a cable of equipment on the tray.

The utility model provides a tray structure's beneficial effect lies in: compared with the prior art, the utility model discloses a set up tray and slip subassembly, the slip subassembly is including can mutually support gliding guide rail and slider, can satisfy the requirement that the tray dragged, and the tray includes the bearing board, the slider sets up the below at the bearing board, and the bearing board at least part stretches out to the slider outside, make the slider be located the inboard of bearing board below, the whole length dimension and the width dimension of tray structure are the length dimension and the width dimension of bearing board, avoid setting up the length dimension and the width dimension's of tray structure influence of slider and guide rail, the occupation space of tray structure has been reduced effectively, be convenient for the installation of guide rail and slider.

In a second aspect, there is provided a self-service financial device comprising a tray structure according to any one of the preceding claims.

The utility model discloses a self-service financial equipment, slider through with the slip subassembly sets up the below at the bearing board of tray, and the bearing board at least part stretches out to the slider outside, make the slider be located the inboard of bearing board below, the whole length dimension and the width dimension of tray structure are the length dimension and the width dimension of bearing board, avoid setting up the length dimension and the width dimension's of tray structure influence of slider and guide rail, the occupation space of tray structure has been reduced effectively, the installation of the slide rail and the guide rail of being convenient for, and can utilize the space in the self-service financial equipment more rationally.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a three-dimensional structure diagram of a tray structure provided in an embodiment of the present invention;

FIG. 2 is an exploded view of the tray structure shown in FIG. 1;

FIG. 3 is a perspective view of a tray of the tray structure shown in FIG. 1;

FIG. 4 is a perspective view of a rail-engaging slider of the tray structure of FIG. 1;

fig. 5 is a partial enlarged view of a portion a in fig. 4.

Wherein, in the figures, the respective reference numerals:

100-a tray; 110-a support plate; 111-a support; 112-an extension; 113-a first bend; 114-a second through slot; 120-a stationary part; 121-a second bent portion; 122-a first through slot; 200-a sliding assembly; 210-a guide rail; 211-a housing; 212-a guide slot; 213-a resilient arm; 220-a slide block; 221-a limiting plate; 222-a sliding rib; 300-a drag chain; 310-wire accommodating groove; 400-a pull ring; a-a first direction; b-a second direction; c-a third direction.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to explain the technical solution of the present invention, the following detailed description is made with reference to the specific drawings and examples.

Referring to fig. 1 and fig. 2, in particular, in the present embodiment, the tray structure includes a tray 100 and a sliding assembly 200, wherein the sliding assembly 200 includes a guide rail 210 and a sliding block 220, the sliding block 220 is disposed on the tray 100, the guide rail 210 is used for being fixed on a cabinet of an external device, when the tray 100 is dragged, the sliding block 220 can be driven to slide, and at this time, the sliding block 220 slides along the guide rail 210. The tray 100 includes a supporting plate 110, the supporting plate 110 is used for supporting and supporting an external structure, wherein the sliding block 220 is disposed below the supporting plate 110, and the supporting plate 110 at least partially extends from the upper side of the sliding block 220 to the outer side of the sliding block 220, such that the sliding block 220 is disposed at the inner side below the supporting plate 110. Therefore, the occupied space for the integral installation of the tray 100 is reduced, the arrangement of the tray 100 and the installation of the guide rail 210 and the sliding block 220 are facilitated, and when the sliding block 220 and the guide rail 210 are installed on the tray 100, the size of the whole tray 100 along the length or width direction is not increased, and the bearing area of the tray 100 is not influenced.

The utility model discloses a tray structure, through setting up tray 100 and sliding assembly 200, sliding assembly 200 is including can mutually support gliding guide rail 210 and slider 220, can satisfy the requirement that tray 100 dragged, and tray 100 includes bearing board 110, slider 220 sets up the below at bearing board 110, and bearing board 110 at least part stretches out to the slider 220 outside, make slider 220 be located the inboard of bearing board 110 below, tray structure's whole length dimension and width size are bearing board 110's length dimension and width size, avoid slider 220 and guide rail 210's the influence to tray structure's length dimension and width size's that sets up, tray structure's occupation space has been reduced effectively, be convenient for guide rail 210 and slider 220's installation. In addition, the sliding block 220 is disposed under the supporting plate 110, and does not extend the supporting plate 110 along the length or width direction thereof, so that the supporting plate 110 can extend along the length or width direction thereof, thereby increasing the supporting area thereof.

The embodiment of the utility model provides an in the rack of external equipment is applied to tray structure, the inside a plurality of functional modules that are equipped with of rack, each functional module can realize corresponding function, tray structure mainly is used for holding functional module.

Wherein, the guide rail 210 can be arranged on the inner side wall of the cabinet, and also can be arranged at the bottom of the cabinet, as long as the fixation of the guide rail 210 can be realized. In this embodiment, when the tray 100 is the supporting plate 110, the sliding block 220 may be directly disposed at the bottom of the supporting plate 110, or may be fixed below the supporting plate 110 by other connecting structures, which can avoid the phenomenon that the disposition of the sliding block 220 is increased to the size of the tray 100 along the length or width direction thereof, and the specific position and fixing manner of the sliding block 220 are not limited uniquely here.

Further, referring to fig. 1 and fig. 2, in the present embodiment, the tray 100 further includes a fixing portion 120, the fixing portion 120 is disposed on the supporting plate 110, and the sliding block 220 is disposed on the fixing portion 120.

Referring to fig. 3, in the present embodiment, the supporting plate 110 includes a supporting portion 111 and an extending portion 112, the supporting portion 111 is used for supporting, and the extending portion 112 is disposed on the supporting portion 111 for assisting supporting, so that the supporting portion 111 and the extending portion 112 support the external structure together. The fixing portion 120 is disposed on the supporting portion 111 and is used for respectively connecting the sliding block 220 and the supporting portion 111, and when the supporting portion 111 or the extending portion 112 is dragged, the sliding block 220 can be driven to slide along the guide rail 210.

Optionally, referring to fig. 2 and fig. 3, in the present embodiment, in order to enhance the overall strength of the tray 100 and simplify the processing process of the tray 100, the fixing portion 120 and the supporting portion 111 are integrally formed. The fixing portion 120 is bent downward around the supporting portion 111 to fix the slider 220, and at least a portion of the fixing portion 120 is left on the supporting portion 111, that is, left at a connection portion between the supporting portion 111 and the fixing portion 120 to form the extending portion 112, so that the supporting portion 111 and the extending portion 112 can be used for supporting an external structure together, and the supporting strength is improved.

In this embodiment, the supporting portion 111 and the fixing portion 120 are flat plate-shaped structures, the extending portion 112 is a part of the fixing portion 120, and the fixing portion 120 is bent downward around the supporting portion 111, so that an included angle is formed between the fixing portion 120 and the supporting portion 111. The extending portion 112 is not bent downward along with the fixing portion 120, but continues to remain at the connection position of the supporting portion 111 and the fixing portion 120, where the fixing portion 120 is formed with a first through slot 122.

Referring to fig. 3, in the present embodiment, three extending portions 112 are provided to enhance the supporting strength of the tray 100, but the number of the extending portions 112 is not limited herein. Therefore, the three first through grooves 122 are formed in the fixing portion 120, and the three extending portions 112 are arranged at intervals, so that the three first through grooves 122 are arranged at intervals, and the situation that the fixing portion 120 cannot bear the bearing portion 111 and the bearing structure of the bearing portion 111 after the extending portions 112 of the first through grooves 122 are left over to the bearing portion 111 is avoided.

Referring to fig. 3, in the present embodiment, the fixing portion 120 is bent downward along the edge of the supporting portion 111; of course, the fixing portion 120 may be formed by bending the middle portion of the supporting portion 111 downward, so that the second through groove 114 is formed on the supporting portion 111, and at this time, the fixing portion 120 is connected to the inner wall of the second through groove 114. The extending portion 112 is always disposed at the connection position of the supporting portion 111 and the fixing portion 120. The relative positions of the supporting portion 111 and the fixing portion 120 are not limited, and may be set according to the placement requirement of the external structure supported by the supporting portion 111.

Optionally, referring to fig. 2 and fig. 3 together, in the embodiment, the extending portion 112 is formed by extending the supporting portion 111 outward, and in order to ensure the supporting strength of the extending portion 112 and the fixing portion 120, a first length of the extending portion 112 along the first direction a is 1/5 to 2/5 of a second length of the supporting portion 111 along the first direction a. When the first length of the extension portion 112 is less than 1/5 of the second length of the support portion 111, the support capability of the extension portion 112 is too small to support the external structure, and when the first length of the extension portion 112 is greater than 2/5 of the second length of the support portion 111, the support portion 111 is difficult to support the extension portion 112, which results in the reduction of the support capability of the support portion 111 and the extension portion 112.

In this embodiment, the second length of the supporting portion 111 is the same as the length of the fixing portion 120 along the first direction a, and the outer diameter of the extending portion 112 is matched with the inner diameter of the first through groove 122, when the first length of the extending portion 112 is greater than 2/5 of the second length of the supporting portion 111, that is, greater than 2/5 of the length of the fixing portion 120 along the first direction a, the length of the first through groove 122 along the first direction a occupies 2/5 of the fixing portion 120 that is greater than the length of the fixing portion 120 along the first direction a, thereby reducing the connection strength between the fixing portion 120 and the supporting portion 111, resulting in a reduction in the overall strength of the fixing portion 120, so that the fixing portion 120 is difficult to support the supporting portion 111, when the supporting portion 111 supports an external structure, the supporting portion 111 and the fixing portion 120 are easy to deform, and the sliding between the slider 220 and the guide rail 210 is also affected.

In this embodiment, the extending portion 112 is disposed on the long side of the supporting portion 111, the first direction a is the length direction of the supporting portion 111, and the length direction of the extending portion 112 is parallel to the length direction of the supporting portion 111, that is, the length dimension of the extending portion 112 is 1/5 to 2/5 of the length dimension of the supporting portion 111. In other embodiments, the extending portion 112 is disposed on the wide side of the supporting portion 111, the first direction a is the width direction of the supporting portion 111, the width direction of the extending portion 112 is parallel to the width direction of the supporting portion 111, that is, the width dimension of the extending portion 112 is 1/5 to 2/5 of the width dimension of the supporting portion 111.

In this embodiment, the number of the extending portions 112 is three, and the first length is the sum of the length dimensions of the three extending portions 112 in the first direction a, that is, the sum of the length dimensions of the three extending portions 112 in the first direction a is 1/5 to 2/5 of the second length of the supporting portion 111 in the first direction a.

Optionally, referring to fig. 2 and fig. 3, in the present embodiment, an edge of the extending portion 112 extending outward along the second direction b is connected to the supporting portion 111, and a third length of the extending portion 112 along the second direction b is 1/5 to 2/5 of a fourth length of the fixing portion 120 along the third direction c. The first direction a, the second direction b and the third direction c are mutually perpendicular in pairs. When the third length of the extension part 112 is less than 1/5 of the fourth length of the fixing part 120, the supporting ability of the extension part 112 is too small to support the external structure, and when the third length of the extension part 112 is greater than 2/5 of the fourth length of the supporting part 111, the supporting part 111 is difficult to support the extension part 112, so that the supporting ability of the supporting part 111 and the extension part 112 is reduced.

In addition, when the third length of the extending portion 112 is greater than 2/5 of the fourth length of the fixing portion 120, that is, the length dimension of the first through groove 122 along the third direction c occupies the fourth length of the fixing portion 120 to be greater than 2/5, the connection strength between the fixing portion 120 and the supporting portion 111 is reduced, the strength of the fixing portion 120 as a whole is reduced to make it difficult to support the supporting portion 111, and the easy deformation between the supporting portion 111 and the fixing portion 120 also affects the sliding between the slider 220 and the rail 210.

In this embodiment, the extending portion 112 is disposed on the long side of the supporting portion 111, the second direction b is the width direction of the supporting portion 111, the width direction of the extending portion 112 is parallel to the width direction of the supporting portion 111, the third direction c is the height direction of the fixing portion 120, the height direction of the fixing portion 120 is perpendicular to the width direction of the extending portion 112, and the width dimension of the extending portion 112 is 1/5 to 2/5 of the height dimension of the fixing portion 120. In other embodiments, the extending portion 112 is disposed on the broad side of the supporting portion 111, the second direction b is the length direction of the supporting portion 111, and the length dimension of the extending portion 112 along the second direction b is 1/5 to 2/5 of the height dimension of the fixing portion 120.

In this embodiment, the number of the extending portions 112 is three, and the third length of the extending portions 112 in the second direction b is the sum of the length dimensions of the three extending portions 112 in the second direction b.

Further, referring to fig. 3, in the present embodiment, the supporting portion 111 is bent along the edge to form a first bending portion 113, so as to enhance the supporting strength of the supporting portion 111. The edge of the fixing portion 120 is bent to form a second bent portion 121, which enhances the strength of the fixing portion 120.

Optionally, referring to fig. 1 to fig. 3, in the present embodiment, two sliding assemblies 200 are provided, that is, two sliding blocks 220 and two guide rails 210 are provided, and meanwhile, two fixing portions 120 are provided, the two fixing portions 120 are spaced below the supporting plate 110, and the two sliding blocks 220 are respectively provided on the two fixing portions 120.

Specifically, in the embodiment, the two sliding blocks 220 are respectively disposed on two opposite sides of the two fixing portions 120, the two guide rails 210 are respectively disposed on two opposite sides of the two sliding blocks 220, and the guide rails 210 may be disposed on an inner side wall or a bottom wall of the cabinet, which is not limited herein.

Alternatively, the two sliding blocks 220 are respectively disposed on two opposite sides of the two fixing portions 120, and the two guide rails 210 are respectively disposed on two opposite sides of the two sliding blocks 220, at this time, the guide rails 210 are disposed on the bottom wall of the cabinet.

Alternatively, the two sliding blocks 220 are respectively disposed on the inner side of one fixing portion 120 and the outer side of the other fixing portion 120, and the guide rail 210 is slidably disposed on one side of the sliding block 220 departing from the fixing portion 120, as long as the fixing and dragging of the tray 100 can be achieved.

Further, referring to fig. 4 and 5, the guide rail 210 includes a housing 211, and a guide groove 212, the housing 211 is used for being fixed on an external device, i.e. disposed on an inner side wall or a bottom wall of the cabinet, and the guide groove 212 extends along the drawing direction of the tray 100. The sliding block 220 is provided with a sliding rib 222, and the sliding rib 222 is slidably disposed in the guide groove 212. When the tray 100 is dragged, the sliding rib 222 slides along the guide groove 212, thereby facilitating the dragging-out of the tray 100.

Optionally, in this embodiment, two guide slots 212 are provided, the two guide slots 212 are spaced and arranged in parallel on the housing 211, and two sliding ribs 222 are provided on the slider 220, and the two sliding ribs 222 are respectively slidably disposed in the two guide slots 212. Of course, the number of the guide grooves 212 and the sliding ribs 222 is not limited to the only number.

Specifically, one end of the housing 211 is further provided with an elastic arm 213, one end of the slider 220 is provided with a position-limiting plate 221, and the elastic arm 213 abuts against the inner side wall of the position-limiting plate 221.

Specifically, when the tray 100 is installed in the cabinet, the two sliding ribs 222 respectively slide along the extending directions of the two guide slots 212, and when one side of the limit plate 221 abuts against the elastic arm 213, it indicates that the installation of the tray 100 is completed, and the elastic action of the elastic arm 213 can provide a compression margin between the limit plate 221 and the elastic arm 213 under the condition of realizing the limit between the tray 100 and the guide rail 210, so as to prevent the limit plate 221 from being damaged due to frequent impact.

Further, referring to fig. 2, in the present embodiment, a drag chain 300 is disposed on the tray 100, and one end of the drag chain 300 away from the tray 100 is used for connecting to an external device, that is, is connected to the bottom wall of the cabinet, when the tray 100 is dragged and the slider 220 slides along the guide rail 210, the tray 100 drives one end of the drag chain 300 and drags the drag chain 300 to rotate, that is, the drag chain 300 rotates along the dragging direction of the tray 100.

Wherein, establish in the tow chain 300 and hold the wire casing 310 along length direction extension, hold wire casing 310 and be used for holding the cable that outside function module stretches out, when tray 100 was dragged, the wire was all the time in the wire casing 310 of tow chain 300, avoided the cable to be dragged and lead to the phenomenon of damage or disconnection to can realize the guard action to the cable.

In the present embodiment, the tow chain 300 is provided as a tank chain, but this is not limited to this.

Referring to fig. 1, in the present embodiment, a pull ring 400 is disposed on one end of the tray 100, the pull ring 400 and the limiting plate 221 are disposed on the same end of the tray 100, and a user can pull the pull ring 400 to drag or pull the tray 100, which is very portable.

The utility model also provides a self-service financial equipment, including the tray structure, the above-mentioned embodiment body is accurate to have carried out detailed description to the tray structure and has explained, and the here is no longer repeated.

The self-service financial equipment comprises a cabinet and functional modules arranged in the cabinet, the tray structure is arranged in the cabinet, and the supporting plate 110 of the tray structure is used for supporting the functional modules. Wherein the guide rail 210 of the sliding assembly 200 may be disposed on an inner sidewall or a bottom wall of the cabinet.

The utility model discloses a self-service financial equipment, slider 220 through with sliding assembly 200 sets up the below at the bearing board 110 of tray 100, and bearing board 110 at least part stretches out to the slider 220 outside, make slider 220 be located the inboard of bearing board 110 below, the whole length dimension and the width dimension of tray structure are the length dimension and the width dimension of bearing board 110, avoid slider 220 and guide rail 210's the length dimension and the width dimension's of setting to tray structure influence, the occupation space of tray structure has been reduced effectively, be convenient for slide rail and guide rail 210's installation, and can utilize the space in the self-service financial equipment more rationally.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The tray structure is characterized by comprising a tray and a sliding assembly, wherein the tray comprises a bearing plate for bearing, the sliding assembly comprises a guide rail and a sliding block, the sliding block is arranged below the bearing plate, at least part of the bearing plate extends out of the outer side of the sliding block, the guide rail is used for being fixed on external equipment, and the sliding block can slide along the guide rail when the tray is dragged.

2. The tray structure of claim 1, wherein the supporting plate comprises a supporting portion and an extending portion disposed on the supporting portion, the tray further comprises a fixing portion disposed on the supporting portion, and the sliding block is disposed on the fixing portion.

3. The tray structure of claim 2 wherein the securing portion is integrally formed with the support portion, the securing portion being bent downwardly about the support portion and at least partially left on the support portion to form the extension portion.

4. The tray structure of claim 2 wherein a first length of the extension in a first direction is 1/5 through 2/5 of a second length of the retainer in the first direction.

5. The tray structure of claim 4 wherein the outwardly extending sides of the extension portions in the second direction are connected to the support portions, a third length of the extension portions in the second direction is 1/5-2/5 of a fourth length of the retainer portions in a third direction, and the first, second and third directions are perpendicular to each other two by two.

6. The tray structure of claim 2, wherein the supporting portion is bent along the edge to form a first bent portion, and the fixing portion is bent along the edge to form a second bent portion.

7. The tray structure of claim 2, wherein the slide block and the guide rail are provided in two, and the supporting portion is provided with two fixing portions arranged at intervals;

the two sliding blocks are respectively arranged on the opposite sides of the two fixing parts, and the two guide rails are respectively arranged on the opposite sides of the two sliding blocks; or the two sliding blocks are respectively arranged on one side opposite to the two fixing parts, and the two guide rails are respectively arranged on one side opposite to the two sliding blocks.

8. The tray structure according to any one of claims 1 to 7, wherein the guide rail comprises a housing, a guide groove formed in the housing, and an elastic arm formed in the housing, the slider is slidably disposed in the guide groove, a limit plate is disposed on the slider, and the elastic arm can abut against the limit plate to limit the slider.

9. The tray structure of any one of claims 1 to 7 wherein a tow chain is provided on the tray, the tow chain being adapted to be dragged with the slider as the slider slides along the track, the tow chain being provided with a wire receiving channel for receiving a wire of a device on the tray.

10. A self-service financial device including a tray structure as claimed in any one of claims 1 to 9.

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