CN109035632B - Double-screen cashier equipment - Google Patents

Abstract

The invention belongs to the technical field of cashing equipment, and particularly relates to double-screen cashing equipment, which comprises a host, a first display screen, a second display screen, a front supporting metal piece, a rear supporting metal piece, a left stressed metal plate and a right stressed metal plate, wherein the host comprises a host shell, a first mounting seat for mounting the first display screen and a second mounting seat for mounting the second display screen, a front empty avoidance groove and a rear empty avoidance groove are arranged on the host shell, and the first mounting seat and the second mounting seat are respectively connected onto the front empty avoidance groove and the rear empty avoidance groove through a front rotating shaft and a rear rotating shaft in a rotating manner; the front support metal piece and the rear support metal piece are respectively fixed with the front rotating shaft and the rear rotating shaft, the left side stress metal plate is respectively fixed with the left sides of the front support metal piece and the rear support metal piece, and the right side stress metal plate is respectively fixed with the right sides of the front support metal piece and the rear support metal piece. The double-screen cashier device has enough supporting force to support the first display screen and the second display screen, and the damage of the main machine shell is avoided.

Description

Double-screen cashier equipment

Technical Field

The invention belongs to the technical field of cashier equipment, and particularly relates to double-screen cashier equipment.

Background

The cashing device is a multifunctional terminal, which is installed in special commercial tenant of credit card and acceptance network and connected with computer to realize automatic transfer of electronic funds. The cashier device generally includes a display screen and a main housing, and in order to improve the practicability of the display screen, the display screen is generally rotatably disposed on the main housing, for example, the display screen is connected with the main housing through a rotating shaft. However, there is a dual-screen cashing device in the market at present, and two display screens are all required to be installed on a host, the host shell is a plastic part, and the display screen has a heavy weight, so when the display screen is supported on the host shell through the rotating shaft, the supporting force of the host shell is obviously insufficient, and the host shell can be damaged due to the fact that the host shell bears an excessive force for a long time along with the extension of the service time.

Disclosure of Invention

The invention aims to provide a double-screen cashier device, which aims to solve the technical problem that two display screens of the cashier device in the prior art are connected to a main machine shell through a rotating shaft and are easy to damage due to insufficient supporting force of the main machine shell.

In order to achieve the above purpose, the invention adopts the following technical scheme: the double-screen cashier comprises a host, a first display screen and a second display screen, wherein the host comprises a host shell, a first mounting seat and a second mounting seat, a front empty-keeping groove and a rear empty-keeping groove are respectively formed in the front side and the rear side of the host shell, the first mounting seat is rotatably mounted on the front empty-keeping groove through a front rotating shaft, the second mounting seat is rotatably mounted on the rear empty-keeping groove through a rear rotating shaft, and the first display screen and the second display screen are respectively fixed on the first mounting seat and the second mounting seat; the double-screen cashier device further comprises a front supporting metal piece, a rear supporting metal piece, a left side stress metal plate and a right side stress metal plate which are arranged in the main shell, wherein the front supporting metal piece is fixedly connected with the front rotating shaft, the rear supporting metal piece is fixedly connected with the rear rotating shaft, the left side stress metal plate is respectively and fixedly connected with the left side of the front supporting metal piece and the left side of the rear supporting metal piece, and the right side stress metal plate is respectively and fixedly connected with the right side of the front supporting metal piece and the right side of the rear supporting metal piece.

The invention has the beneficial effects that: according to the double-screen cashing device, when the first display screen and the second display screen are respectively arranged on the first installation seat and the second installation seat, the first installation seat and the second installation seat are respectively and rotatably connected with the front rotating shaft and the rear rotating shaft, and the front rotating shaft and the rear rotating shaft are fixedly connected with the front supporting metal piece and the rear supporting metal piece in the main machine shell, so that supporting forces of the first installation seat and the first display screen as well as the second installation seat and the second display screen are respectively transmitted to the front supporting metal piece and the rear supporting metal piece, and the left side and the right side of the front supporting metal piece as well as the left side and the right side of the rear supporting metal piece are respectively connected to the left side stressed metal plate and the right side stressed metal plate which are close to the left side and the right side in the main machine shell. So, when rotating first mount pad and first display screen and second mount pad and second display screen, the power of supporting first mount pad and first display screen and second mount pad and second display screen further passes through preceding support metal piece and back support metal piece and transmits on left side atress metal sheet and the right side atress metal sheet to the present form of mainframe housing atress has been changed, and then sufficient holding power supports first display screen and second display screen, avoids the mainframe housing impaired, and ensures that the job stabilization of first display screen and second display screen, reliably.

Drawings

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

Fig. 1 is a schematic structural diagram of a dual-screen cashier device according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a dual-screen cashier device according to an embodiment of the present invention.

Fig. 3 is a schematic diagram illustrating the structural decomposition of a dual-screen cashier device according to an embodiment of the present invention.

Fig. 4 is a schematic diagram showing a structural exploded view of a dual-screen cashier device according to an embodiment of the present invention.

Fig. 5 is a schematic diagram illustrating the structural exploded view of a host of a dual-screen cashier device according to an embodiment of the present invention.

Fig. 6 is a schematic diagram showing a structural exploded view of a host of a dual-screen cashier device according to an embodiment of the present invention.

Fig. 7 is a schematic diagram of a connection structure among a front support metal piece, a rear support metal piece, a left stress metal plate and a right stress metal plate of the dual-screen cashing device according to the first embodiment of the present invention.

Fig. 8 is a schematic diagram two of a connection structure among a front support metal piece, a rear support metal piece, a left stress metal plate and a right stress metal plate of the dual-screen cashing device according to the embodiment of the invention.

Fig. 9 is a schematic structural diagram of a dual-screen cashier device provided by the embodiment of the invention after a left shell and a left stressed metal plate are hidden.

Fig. 10 is a schematic structural diagram of a housing connector of a dual-screen cashier device according to an embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a housing connector of a dual-screen cashier device according to an embodiment of the present invention.

Fig. 12 is a schematic structural diagram of a bottom casing of a dual-screen cashier device according to an embodiment of the present invention.

Fig. 13 is a schematic structural view of an automatic locking device of a dual-screen cashier apparatus according to an embodiment of the present invention, which is connected to a printer main body, in a locked state.

Fig. 14 is a schematic structural view of an automatic locking device of a dual-screen cashier apparatus according to an embodiment of the present invention, which is connected to a printer main body, in an unlocked state.

Fig. 15 is a schematic structural view of a printer main body and an exploded automatic locking device of a dual-screen cashier apparatus according to an embodiment of the present invention.

Fig. 16 is a schematic structural diagram of a printer main body of a dual-screen cashier device according to an embodiment of the present invention.

Fig. 17 is a schematic diagram of a printer main body of a dual-screen cashier device according to an embodiment of the present invention.

Fig. 18 is a schematic structural diagram of a case dismounting-preventing device of a dual-screen cashier apparatus provided by an embodiment of the present invention mounted on a left case.

Fig. 19 is a schematic structural view of a casing anti-disassembling device of a dual-screen cashier apparatus provided by an embodiment of the present invention, which is mounted on a left casing and is hidden with a rear anti-disassembling circuit board.

Fig. 20 is an enlarged schematic view of a partial structure at a in fig. 19.

Fig. 21 is a schematic structural view of an exploded case anti-dismantling device, a left-side stress metal plate and a left case of the dual-screen cashier apparatus provided by the embodiment of the invention.

Fig. 22 is a schematic structural diagram of an anti-dismantling circuit board of a dual-screen cashier device according to an embodiment of the present invention.

Wherein, each reference sign in the figure:

10-first display 20-second display 30-host

31-Front rotating shaft 32-rear rotating shaft 33-mounting opening

34-Support column 35-back-off column 40-printer

41-Printer body 42-front face 43-side face

44-Front end edge 45-front connecting hole 46-rear connecting hole

50-Front support metal 51-front main support plate 52-front left support plate

53-Front right support plate 60-rear support metal piece 61-rear main support plate

62-Rear left support plate 63-rear right support plate 70-left side stressed metal plate

71-Left connecting hole 72-left supporting hole 73-clearance hole

74-Fastening hole 75-positioning column 76-positioning step

80-Right side stress metal plate 81-right connecting hole 82-right supporting hole

90-Automatic locking device 91-locking piece 92-bolt

93-Nut 94-elastic member 100-housing connecting member

101-First clamping block 102-second clamping block 103-connecting column

104-Joint interval 105-U-shaped block 110-shell anti-disassembling device

111-Anti-disassembly circuit board 112-conductive carbon particles 113-silica gel column

301-First mounting seat 302-second mounting seat 303-front empty-avoiding groove

304-Rear clearance groove 305-front housing 306-rear housing

307-Top shell 308-bottom shell 309-left shell

310-Right shell 341-fixed hole 431-installation cavity

432-Chute 433-clamping distance 521-front left threaded column

522-Front left support post 531-front right threaded post 532-front right support post

621-Rear left threaded post 622-rear left support post 631-rear right threaded post

632-Rear right support column 911-step hole 912-slider

1011-First catch 1021-second catch 1031-first end

1032-Second end 1033-fastening hole 1051-first side plate

1052-Second side plate 1053-connecting plate 1111-contact

1112-Locating hole 3081-operation port 3082-inner plate

3083-Coaming 3084-interface 3085-wire passing opening

3086-Wire guide 3087-lower wire guide 3088-pressing plate

3089-Upper wire grooves 4000-extension plates.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 22 are exemplary and intended to illustrate the present invention and should not be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

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

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

As shown in fig. 1 to 9, the embodiment of the present invention provides a dual-screen cashier device, which includes a host 30, a first display screen 10 and a second display screen 20, where the host 30 includes a host casing, a first mounting seat 301 and a second mounting seat 302, front and rear sides of the host casing are respectively provided with a front space avoiding groove 303 and a rear space avoiding groove 304, the first mounting seat 301 is rotatably mounted on the front space avoiding groove 303 through a front rotating shaft 31, the second mounting seat 302 is rotatably mounted on the rear space avoiding groove 304 through a rear rotating shaft 32, and the first display screen 10 and the second display screen 20 are respectively fixed on the first mounting seat 301 and the second mounting seat 302; the dual-screen cashier device further comprises a front supporting metal piece 50, a rear supporting metal piece 60, a left side stress metal plate 70 and a right side stress metal plate 80 which are arranged in the main casing, wherein the front supporting metal piece 50 is fixedly connected with the front rotating shaft 31, the rear supporting metal piece 60 is fixedly connected with the rear rotating shaft 32, the left side stress metal plate 70 is respectively and fixedly connected with the left side of the front supporting metal piece 50 and the left side of the rear supporting metal piece 60, and the right side stress metal plate 80 is respectively and fixedly connected with the right side of the front supporting metal piece 50 and the right side of the rear supporting metal piece 60.

Specifically, in the dual-screen cashier apparatus of the embodiment of the present invention, when the first display screen 10 and the second display screen 20 are respectively mounted on the first mounting seat 301 and the second mounting seat 302, the first mounting seat 301 and the second mounting seat 302 are respectively rotatably connected with the front rotating shaft 31 and the rear rotating shaft 32, and the front rotating shaft 31 and the rear rotating shaft 32 are fixedly connected with the front supporting metal piece 50 and the rear supporting metal piece 60 in the main casing, so that the supporting forces to the first mounting seat 301 and the first display screen 10 and the second mounting seat 302 and the second display screen 20 are respectively transferred to the front supporting metal piece 50 and the rear supporting metal piece 60, and the left side and the right side of the front supporting metal piece 50 and the left side and the right side of the rear supporting metal piece 60 are respectively connected to the left side stress metal plate 70 and the right side stress metal plate 80 near the left side and the right side in the main casing. In this way, when the first mount 301 and the first display 10 and the second mount 302 and the second display 20 are rotated, the force supporting the first mount 301 and the first display 10 and the second mount 302 and the second display 20 is further transferred to the left side stress metal plate 70 and the right side stress metal plate 80 through the front support metal member 50 and the rear support metal member 60, so that the present situation of the stress of the main chassis is changed, and further, the sufficient supporting force is provided to support the first display 10 and the second display 20, so that the damage of the main chassis is avoided, and the stable and reliable operation of the first display 10 and the second display 20 is ensured.

As shown in fig. 5 to 6, in the present embodiment, the main housing includes a front housing 305, a rear housing 306, a top housing 307, a bottom housing 308, a left housing 309 and a right housing 310, the left force-bearing metal plate 70 and the right force-bearing metal plate 80 are respectively located inside the left housing 309 and the right housing 310, the front clearance groove 303 is formed between the front housing 305 and the top housing 307, and the rear clearance groove 304 is formed between the rear housing 306 and the top housing 307. Specifically, the front housing 305, the rear housing 306, the top housing 307, the bottom housing 308, the left housing 309 and the right housing 310 are assembled to form the main housing, so that the plurality of housings can ensure the overall shape design of the main housing to be diversified, and the main housing shape meeting the requirements can be effectively formed through assembly without integral injection molding. The left and right stress metal plates 70 and 80 are located inside the left and right housings 309 and 310, respectively, and are designed to mainly distribute the force of the main chassis supporting the first and second display screens 10 and 20 on the left and right sides, and support is achieved by the left and right stress metal plates 70 and 80. While the design of the front void-avoidance groove 303 formed between the front housing 305 and the top housing 307 and the design of the rear void-avoidance groove 304 formed between the rear housing 306 and the top housing 307 are mainly aimed at avoiding that the formation of the front void-avoidance groove 303 or the rear void-avoidance groove 304 on a monolithic housing results in too low strength of the monolithic housing to effect protection of the internal components as a housing.

Further, the bottom end of the front housing 305 and the bottom end of the rear housing 306 are respectively abutted with the front end and the rear end of the bottom housing 308, the top end of the front housing 305 and the top end of the rear housing 306 are respectively abutted with the front end and the rear end of the top housing 307, and the inner sides of the abutted portions of the bottom housing 308 and the front housing 305 and the rear housing 306 and the inner sides of the abutted portions of the top housing 307 and the front housing 305 and the rear housing 306 are respectively connected through the housing connecting member 100. The left housing 309 is respectively abutted with the left side end of the front housing 305, the left side end of the rear housing 306, the left side end of the top housing 307 and the left side end of the bottom housing 308, the right housing 310 is respectively abutted with the right side end of the front housing 305, the right side end of the rear housing 306, the right side end of the top housing 307 and the right side end of the bottom housing 308, and the positions of the left housing 309 corresponding to the housing connectors 100 are lockingly connected by fasteners (not shown) penetrating the left side stress metal plates 70, and the positions of the right housing 310 corresponding to the housing connectors 100 are lockingly connected by fasteners penetrating the right side stress metal plates 80. Specifically, the three adjacent shells can be locked and connected by the fastener matched with the shell connecting piece 100, so that the assembly is easy, and the connection stability is good.

As shown in fig. 9 to 11, in this embodiment, each of the housing connectors 100 includes a first clamping block 101, a second clamping block 102 and a connecting column 103, the connecting column 103 includes a first end 1031 and a second end 1032, the first clamping block 101 and the second clamping block 102 are both disposed at the first end 1031 of the connecting column 103, the first clamping block 101 and the second clamping block 102 are disposed at intervals to form a clamping space 104, a first clamping buckle 1011 for clamping the inner side of the bottom shell 308 or the inner side of the top shell 307 and a second clamping buckle 1021 for clamping the inner side of the front shell 305 or the inner side of the rear shell 306 are disposed at the side of the clamping space 104, and a fastening hole 1033 for locking connection with the fastening member is disposed at the second end 1032 of the connecting column 103. Specifically, the first buckle 1011 and the second buckle 1021 of the first clamping block 101 and the second clamping block 102 can be respectively clamped with two adjacent shells, and the connecting column 103 can be locked and connected with a third adjacent shell through matching with one fastener, so that the first shell is pulled by the first clamping block 101, the second shell is pulled by the second clamping block 102, the third shell can be pulled by matching between the connecting column 103 and the fastener, the first shell and the second shell are pulled by the connecting column 103 through the first clamping block 101 and the second clamping block 102, so that the three adjacent shells are connected with each other in a pulling manner, the assembling process can be completed by matching and connecting only one external fastener with the shell connector 100, the assembling procedure is less, and the production cost is correspondingly reduced.

As shown in fig. 10 to 11, in this embodiment, the housing connection member 100 further includes a U-shaped block 105, where the U-shaped block 105 includes a first side plate 1051, a second side plate 1052, and a connection plate 1053 connected between the first side plate 1051 and the second side plate 1052, the connection plate 1053 is fixedly connected with the first end 1031 of the connection post 103, and the first clamping block 101 and the second clamping block 102 are respectively fixedly connected with the first side plate 1051 and the second side plate 1052. Specifically, the U-shaped block 105 serves to connect the connection post 103 with the first and second clamping blocks 101 and 102. That is, the first side plate 1051, the second side plate 1052 and the connecting plate 1053 of the U-shaped block 105 are respectively connected with the first end 1031, the first clamping block 101 and the second clamping block 102 of the connecting column 103, so that the first clamping block 101 and the second clamping block 102 are connected with the connecting column 103 to form a whole. Meanwhile, due to the structural characteristics of the U-shaped block 105, the first side plate 1051 and the second side plate 1052 are arranged at intervals, so that when the first clamping block 101 is connected with the first side plate 1051 and the second clamping block 102 is connected with the second side plate 1052, a clamping interval 104 can be naturally formed between the first clamping block 101 and the second clamping block 102, and the clamping interval 104 provides a space for the first shell adjacent to the first clamping block 101 and the second shell adjacent to the second clamping block 102, so that the first buckle 1011 of the first clamping block 101 and the second buckle 1021 of the second clamping block 102 can realize two adjacent shells.

More specifically, as shown in fig. 9, the inner sides of the front case 305, the rear case 306, the top case 307 and the bottom case 308 are provided with extension plates 4000, and the extension plates 4000 are provided with fastening holes (not shown) for fastening with the first fastening buckle 1011 or the second fastening buckle 1012. By such design, the inner sides of the front shell 305, the rear shell 306, the top shell 307 and the bottom shell 308 can be ensured to be connected with the shell connecting piece 1000, and the structure design is ingenious and the practicability is strong.

As shown in fig. 5 to 6 and fig. 12, in the present embodiment, an operation port 3081 is formed on the bottom case 308, an inner plate 3082 is disposed at a position corresponding to the position of the operation port 3081 on the inner side of the bottom case 308, a shroud 3083 is connected between the inner plate 3082 and the periphery of the operation port 3081, and an interface 3084 is disposed on the shroud 3083; the bottom shell 308 is further provided with a wire passing port 3085 located at one side of the operation port 3081 and extending to the edge of the bottom shell 308, a wire guide plate 3086 is disposed at a position corresponding to the wire passing port 3085 on the inner side of the bottom shell 308, a plurality of lower wire grooves 3087 corresponding to the interface 3084 in the extending direction are disposed on the wire guide plate 3086, two opposite ends of the wire guide plate 3086 in the vertical direction of the lower wire grooves 3087 are connected with the edge of the wire passing port 3085 through side plates (not shown), and a pressing plate 3088 fixedly connected with the bottom shell 308 and used for limiting wires passing through the lower wire grooves 3087 is disposed above the wire passing port 3085. Specifically, a space recessed from the outside toward the inside of the bottom case 308 is formed by the provided inner plate 3082 and the grommet 3083, and the connector 3084 is provided on the grommet 3083, and when wiring is required, a plug of the wire end is plugged into the connector 3084, then the wire passes through the recessed space and is led out from the lower wire groove 3087 provided on the wire guide plate 3086, and finally the wire is covered and restrained in the lower wire groove 3087 by the pressing plate 3088. Thus, a section of the wire close to the plug is accommodated in the concave space, so that on one hand, the stability of the bottom shell 308 when placed on a plane can be prevented from being influenced by the wire; on the other hand, when the wire rod is acted by external force, the wire rod accommodated in the concave space can play a role in buffering, the external force can not directly act on the connection between the plug and the interface 3084, the wire rod is kept not to be easily pulled to disconnect the plug from the interface 3084, meanwhile, the interface 3084 is prevented from being damaged, the structural design is ingenious, and the practicability is strong.

Further, as shown in fig. 12, upper wire grooves 3089 corresponding to the lower wire grooves 3087 in number to the lower wire grooves 3087 are provided on the inner side of the pressing plate 3088. Specifically, the upper wire groove 3089 cooperates with the lower wire groove 3087 to form a closed wire guide such that the closed wire guide can enclose the wire, thereby effectively confining the wire within the recessed space. And a plurality of wire holes set up side by side and can also be convenient for arrange each wire rod in order, safe and compromise pleasing to the eye.

In this embodiment, the rear housing 306 is provided with a mounting opening 33, the printer 40 is mounted at the mounting opening 33, the printer 40 includes a printer body 41, and the printer body 41 is locked on the rear housing 306 by an automatic locking device 90; specifically, the printer 40 functions to print transaction data vouchers such as cashier vouchers.

Further, as shown in fig. 13 to 17, the automatic locking device 90 includes a locking member 91, a bolt 92 and a nut 93, the printer body 41 includes a front end surface 42 and a side end surface 43 adjacent to the front end surface 42, the front end surface 42 extends toward the side end surface 43 to form a front end pressing edge 44, the side end surface 43 is concavely provided with a mounting cavity 431 and a chute 432 between the mounting cavity 431 and the front end pressing edge 44, a front end of the mounting cavity 431 is provided with a front connecting hole 45 penetrating to the front end surface 42, and a rear end of the mounting cavity 431 is provided with a rear connecting hole 46 corresponding to the front connecting hole 45; the locking member 91 is provided with a step hole 911 penetrating through two opposite ends of the locking member 91, the locking member 91 is disposed in the mounting cavity 431, a slide block 912 is disposed at a front end of the locking member 91 in an extending manner, the nut 93 is fixed at a rear end of the locking member 91, the bolt 92 sequentially penetrates through the front connecting hole 45, the step hole 911 and the rear connecting hole 46 and is in threaded connection with the nut 93, the bolt 92 drives the locking member 91 to rotate until the slide block 912 is matched with the slide slot 432 when rotating, and the slide block 912 moves along the slide slot 432 to shorten a distance between the front end pressing edge 44 and form a clamping distance 433 for clamping an edge of the mounting opening 33. Specifically, the printer body 41 is placed in the mounting opening 33 formed on the rear housing 306, then the bolt 92 is rotated by a screw, the bolt 92 drives the locking member 91 to rotate in the mounting cavity 431 formed on the side end face 43 of the printer body 41, after the locking member 91 rotates by a certain angle, the slide 912 extending from the front end of the locking member 91 just rotates to a position just in the slide groove 432 formed on the side end face 43 of the printer body 41, the slide groove 432 and the slide 912 are mutually limited, and then when the screw is continuously rotated by the screw driver control bolt 92, the rotation motion of the locking member 91 is converted into the linear motion moving along the slide groove 432, then the distance between the slide 912 of the locking member 91 and the front end pressing edge 44 formed on the front end face 42 of the printer body 41 is gradually reduced in the moving process, so that a clamping distance 433 is formed between the slide 912 and the front end pressing edge 44, and the clamping distance 433 can clamp the edge of the mounting opening 33 of the rear housing 306, thereby realizing the assembly between the whole printer body 41 and the rear housing 306. The printer body 41 and the rear housing 306 can be fixed by installing the rear housing 306 without forming a threaded hole in the rear housing 306, and the stability of the assembly connection is not affected even if the printer is used for a long time or is frequently assembled and disassembled after the printer is fixed.

In this embodiment, as shown in fig. 13 and 15, the automatic locking device 90 further includes an elastic member 94, the elastic member 94 is sleeved outside the bolt 92 and is located in the step hole 911, the front end of the elastic member 94 abuts against the front end of the mounting cavity 431, and the rear end of the elastic member 94 abuts against the step of the step hole 911. Specifically, the function of the elastic member 94 is that when the assembly connection is not performed, the locking member 91 is always close to the rear end of the mounting cavity 431 under the action of the elastic force of the elastic member 94, so that the sliding block 912 of the locking member 91 can be placed to be matched with the sliding groove 432 in advance to affect the mounting of the printer body 41, and the printer is reasonable in structural design and high in practicability. Preferably, the elastic member 94 is a spring.

In this embodiment, as shown in fig. 5 to 9, the front support metal piece 50 includes a front main support plate 51, and a front left support plate 52 and a front right support plate 53 respectively disposed on the left side and the right side of the front main support plate 51, at least three front left threaded columns 521 and at least two front left support columns 522 are disposed on the outer side of the front left support plate 52, and at least three front right threaded columns 531 and at least two front right support columns 532 are disposed on the outer side of the front right support plate 53; the rear support metal piece 60 comprises a rear main support plate 61, a rear left support plate 62 and a rear right support plate 63 respectively arranged on the left side and the right side of the rear main support plate 61, at least three rear left threaded columns 621 and at least two rear left support columns 622 are arranged on the outer side of the rear left support plate 62, and at least three rear right threaded columns 631 and at least two rear right support columns 632 are arranged on the outer side of the rear right support plate 63; the left-side stressed metal plate 70 is provided with left connecting holes 71 corresponding to the positions of the front left threaded columns 521 and the rear left threaded columns 621 for screws (not shown) to pass through and be in locking connection with the front left threaded columns 521 and the rear left threaded columns, and left supporting holes 72 matched and spliced with the front left supporting columns 522 and the rear left supporting columns 622; the right-side force-receiving metal plate 80 is provided with right connection holes corresponding to the positions of the front right threaded post 531 and the rear right threaded post 631 for screws to pass through and be in locking connection with the front right threaded post 531 and the rear right threaded post 631, and right support holes 82 for being matched and inserted with the front right support post 532 and the rear right support post 632. Specifically, the screws pass through the left connecting holes 71 and are in threaded connection with the corresponding front left threaded columns 521 and rear left threaded columns 621, so that the left side stressed metal plates 70 are fixed with the front left support plates 52 and the rear left support plates 62, and then the screws act as transmitting forces, namely the forces of the front left support plates 52 and the rear left support plates 62 are transmitted to the left side stressed metal plates 70, and the left side stressed metal plates 70 have enough supporting forces to support the left sides of the first display screen 10 and the second display screen 20. And the provision of at least three front left threaded posts 521 and at least three rear left threaded posts 621 ensures that the left-side load bearing metal plate 70 is more stably connected to the front left support plate 52 and the rear left support plate 62, respectively. Of course the number of front left threaded posts 521 may be three, four, five or more than six. Further, the front left support column 522 and the rear left support column 622 are respectively matched and inserted with the left support hole 72 to further enhance the stability of the connection between the front left support plate 52 and the rear left support plate 62 and the left stressed metal plate 70, and meanwhile, the front left support column 522 and the rear left support column 622 also respectively transmit the stress of the front left support plate 52 and the rear left support plate 62 to the left stressed metal plate 70 so as to realize the change of the stress. Of course the number of front left support columns 522 and rear left support columns 622 may be two, three, four, five or more than six simultaneously. Similarly, the functions of the right connection hole, the right support hole 82, the front right threaded post 531, the front right support post 532, the rear right threaded post 631 and the rear right support post 632 are the same as those of the left connection hole 71, the left front threaded post 521, the left front support post 522, the left rear threaded post 621 and the left rear support hole 72, and only the positions thereof are changed to form a bilateral symmetry distribution, which will not be described again here.

In this embodiment, as shown in fig. 5 to 6 and fig. 18 to 22, a casing anti-disassembly device 110 is disposed on the inner side of the left casing 309, the casing anti-disassembly device 110 includes an anti-disassembly circuit board 111 and conductive carbon particles 112, the anti-disassembly circuit board 111, the left stress metal plate 70 and the left casing 309 are sequentially disposed, a support column 34 and a back-off column 35 are disposed on the inner side of the left casing 309, a void space 73 and a fastening hole 74 are disposed on the left stress metal plate 70, the back-off column 35 passes through the fastening hole 74 and is fastened on the hole edge of the fastening hole 74, the support column 34 passes through the void space 73, a contact 1111 is disposed on the anti-disassembly circuit board 111, the conductive carbon particles 112 are disposed at the end of the support column 34, the conductive carbon particles 112 correspond to the contact 1111, and the conductive carbon particles 112 are abutted against the contact 1111. Specifically, the conductive carbon particles 112 fixed at the end of the support column 34 are abutted with the contacts 1111 on the anti-disassembly circuit board 111 to realize electrical connection, so that once the left shell 309 is forcibly disassembled, the conductive carbon particles 112 are disconnected with the contacts 1111 on the anti-disassembly circuit board 111 to cause the electrical connection to be disconnected, thereby triggering destruction of financial data and the like, and further realizing the anti-disassembly function. Because the shell anti-disassembling device 110 of the embodiment of the invention is buckled with the supporting plate through the back-off posts 35 arranged on the inner side of the left shell 309, the connection stability of the left shell 309 and the left stressed metal plate 70 can be ensured without using screws or the like, so that unless the connection between the left shell 309 and the left stressed metal plate 70 is broken by violence, the conductive carbon particles 112 arranged on the supporting posts 34 of the left shell 309 are always abutted with the contacts 1111 on the anti-disassembling circuit board 111 to realize electrical connection, thereby effectively ensuring that the anti-disassembling function is not disabled and the safety performance is higher.

In this embodiment, as shown in fig. 21, a fixing hole 341 is formed in the support column 34, a silica gel column 113 is inserted into the fixing hole 341, the conductive carbon particles 112 are disposed at an end of the silica gel column 113, and the conductive carbon particles 112 and the silica gel column 113 are integrally formed. Specifically, the silica gel column 113 has a certain elasticity so that the conductive carbon particles 112 can be abutted against the contacts 1111 on the tamper-proof circuit board 111 by the silica gel column 113 when the conductive carbon particles 112 are provided on the end of the silica gel column 113. Meanwhile, the elasticity of the silica gel column 113 can also prevent the conductive carbon particles 112 from being in hard contact with the anti-disassembly circuit board 111, so that damage to the anti-disassembly circuit board 111 is avoided. And the integrated into one piece's design can ensure that conductive carbon particle 112 and silica gel column 113 are connected stably, and makes manufacturing cost reduce when batch production, and the uniformity of product is better.

In this embodiment, as shown in fig. 18 to 22, the disassembly prevention circuit board 111 is provided with a positioning hole 1112, the left side stress metal plate 70 is provided with a positioning column 75 corresponding to the positioning hole 1112, and the positioning column 75 and the positioning hole 1112 are inserted and positioned. Specifically, the positioning holes 1112 and the positioning posts 75 are inserted and positioned to fix the positions of the anti-disassembly circuit board 111 and the left stressed metal plate 70, so that the conductive carbon particles 112 are aligned with the contacts 1111 on the anti-disassembly circuit board 111, and the anti-disassembly function is realized. Further, a positioning step 76 is provided on the outer periphery of the positioning post 75, and the positioning step 76 abuts against the tamper-proof circuit board 111. Specifically, when the positioning step 76 abuts against the anti-dismantling circuit board 111, it can be indicated that the positioning column 75 and the positioning hole 1112 are in positioning connection, and then it can be determined that the positioning between the anti-dismantling circuit board 111 and the left stressed metal plate 70 is completed.

It should be noted that, in the present embodiment, the inner sides of the front housing 305, the rear housing 306, the top housing 307, the bottom housing 308 and the right housing 310 may be provided with the housing anti-disassembling device 110, and the structures of the housing anti-disassembling device 110 are identical, so that the detailed description thereof will not be repeated here.

The fastener in this embodiment may be a screw or the like.

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

Claims (9)

1. The double-screen cashier comprises a host, a first display screen and a second display screen, wherein the host comprises a host shell, a first installation seat and a second installation seat, a front empty avoidance groove and a rear empty avoidance groove are respectively formed in the front side and the rear side of the host shell, the first installation seat is rotatably installed on the front empty avoidance groove through a front rotating shaft, the second installation seat is rotatably installed on the rear empty avoidance groove through a rear rotating shaft, and the first display screen and the second display screen are respectively fixed on the first installation seat and the second installation seat; the method is characterized in that: the double-screen cashing device further comprises a front supporting metal piece, a rear supporting metal piece, a left stressed metal plate and a right stressed metal plate which are arranged in the main shell, wherein the front supporting metal piece is fixedly connected with the front rotating shaft, the rear supporting metal piece is fixedly connected with the rear rotating shaft, the left stressed metal plate is respectively and fixedly connected with the left side of the front supporting metal piece and the left side of the rear supporting metal piece, and the right stressed metal plate is respectively and fixedly connected with the right side of the front supporting metal piece and the right side of the rear supporting metal piece;

The main machine shell comprises a front shell, a rear shell, a top shell, a bottom shell, a left shell and a right shell, wherein the left stressed metal plate and the right stressed metal plate are respectively positioned at the inner sides of the left shell and the right shell; the bottom end of the front shell and the bottom end of the rear shell are respectively in butt joint with the front end and the rear end of the bottom shell, the top end of the front shell and the top end of the rear shell are respectively in butt joint with the front end and the rear end of the top shell, and the inner sides of the butt joint positions of the bottom shell and the front shell and the rear shell and the inner sides of the butt joint positions of the top shell and the front shell and the rear shell are respectively connected through shell connecting pieces; the left shell is respectively in butt joint with the left side end of the front shell, the left side end of the rear shell, the left side end of the top shell and the left side end of the bottom shell, the right shell is respectively in butt joint with the right side end of the front shell, the right side end of the rear shell, the right side end of the top shell and the right side end of the bottom shell, the positions of the left shell and the shell connecting pieces are in locking connection through fasteners penetrating through the left stress metal plates, and the positions of the right shell and the shell connecting pieces are in locking connection through fasteners penetrating through the right stress metal plates;

The front support metal piece comprises a front main support plate, a front left support plate and a front right support plate which are respectively arranged on the left side and the right side of the front main support plate, wherein at least three front left threaded columns and at least two front left support columns are arranged on the outer side of the front left support plate, and at least three front right threaded columns and at least two front right support columns are arranged on the outer side of the front right support plate; the rear support metal piece comprises a rear main support plate, a rear left support plate and a rear right support plate which are respectively arranged on the left side and the right side of the rear main support plate, wherein at least three rear left threaded columns and at least two rear left support columns are arranged on the outer side of the rear left support plate, and at least three rear right threaded columns and at least two rear right support columns are arranged on the outer side of the rear right support plate;

The left side stressed metal plate is provided with left connecting holes corresponding to the positions of the front left threaded columns and the rear left threaded columns for screws to pass through and are in locking connection with the front left threaded columns and the rear left threaded columns, and left supporting holes matched and spliced with the front left supporting columns and the rear left supporting columns; the right side stress metal plate is provided with right connecting holes corresponding to the positions of the front right threaded column and the rear right threaded column for screws to pass through and are in locking connection with the front right threaded column and the rear right threaded column, and right supporting holes matched and spliced with the front right supporting columns and the rear right supporting columns.

2. The dual-screen cashier device of claim 1, wherein: the front clearance groove is formed between the front shell and the top shell, and the rear clearance groove is formed between the rear shell and the top shell.

3. The dual-screen cashier device of claim 2, wherein: each shell connecting piece comprises a first clamping block, a second clamping block and a connecting column, the connecting column comprises a first end and a second end, the first clamping block and the second clamping block are arranged at the first end of the connecting column, the first clamping block and the second clamping block are arranged at intervals to form a clamping interval, the first clamping block and the second clamping block extend towards the side part of the clamping interval and are respectively used for being clamped with the inner side of the bottom shell or the inner side of the top shell, a first buckle used for being clamped with the inner side of the front shell or the second buckle of the inner side of the rear shell, and a fastening hole used for being connected with a fastener in a locking mode is formed in the second end of the connecting column.

4. A dual-screen cashier device as in claim 3, wherein: the shell connecting piece further comprises a U-shaped block, the U-shaped block comprises a first side plate, a second side plate and a connecting plate connected between the first side plate and the second side plate, the connecting plate is fixedly connected with the first end of the connecting column, and the first clamping block and the second clamping block are respectively fixedly connected with the first side plate and the second side plate.

5. The dual-screen cashier apparatus of any of claims 2-4, wherein: the bottom shell comprises a bottom shell body, an operation port is formed in the bottom shell body, an inner plate is arranged at the position, corresponding to the position of the operation port, of the inner side of the bottom shell body, a coaming is connected between the inner plate and the periphery of the operation port, and an interface is formed in the coaming; the wire guide device is characterized in that a wire passing opening which is positioned on one side of the operation opening and extends to the edge of the bottom shell body is formed in the bottom shell body, a wire guide plate is arranged at the position, corresponding to the wire passing opening, of the inner side of the bottom shell body, a plurality of lower wire guide grooves corresponding to the interface in the extending direction are formed in the wire guide plate, the wire guide plate is connected with the opposite ends of the lower wire guide grooves in the vertical direction through side plates and the edges of the wire passing opening, and a pressing plate which is fixedly connected with the bottom shell body and used for limiting wires passing through the lower wire guide grooves is arranged above the wire passing opening.

6. The dual-screen cashier apparatus of any of claims 2-4, wherein: the rear shell is provided with a mounting opening, a printer is mounted at the mounting opening, the printer comprises a printer body, and the printer body is locked on the rear shell through an automatic locking device;

The automatic locking device comprises a locking piece, a bolt and a nut, the printer body comprises a front end face and a side end face adjacent to the front end face, the front end face extends towards the side end face to be provided with a front end pressing edge, the side end face is concavely provided with a mounting cavity and a sliding groove positioned between the mounting cavity and the front end pressing edge, the front end of the mounting cavity is provided with a front connecting hole penetrating through the front end face, and the rear end of the mounting cavity is provided with a rear connecting hole corresponding to the front connecting hole in position;

the retaining member is provided with a stepped hole penetrating through two opposite ends of the retaining member, the retaining member is arranged in the installation cavity, the front end of the retaining member is extended to be provided with a sliding block, the nut is fixed at the rear end of the retaining member, the bolt sequentially penetrates through the front connecting hole, the stepped hole and the rear connecting hole and is in threaded connection with the nut, the bolt drives the retaining member to rotate at an angle until the sliding block is matched with the sliding groove, and the sliding block moves along the sliding groove to shorten the distance between the front end pressing edges and form a clamping distance for clamping the edge of the installation opening.

7. The dual-screen cashier device of claim 6, wherein: the automatic locking device further comprises an elastic piece, the elastic piece is sleeved outside the bolt and located in the step hole, the front end of the elastic piece is abutted to the front end of the mounting cavity, and the rear end of the elastic piece is abutted to the step of the step hole.

8. The dual-screen cashier apparatus of any of claims 1-4, wherein: the inside of left side casing is equipped with casing anti-disassembly device, casing anti-disassembly device is including preventing tearing open circuit board and electrically conductive carbon grain, prevent tearing open the circuit board the left side atress metal sheet with left side casing sets up in proper order, the inboard of left side casing is equipped with support column and back-off post, be equipped with on the left side atress metal sheet and keep away void and lock joint hole, the back-off post passes lock joint hole and lock joint in on the hole edge of lock joint hole, the support column passes keep away the void, be equipped with the contact on the anti-disassembly circuit board, electrically conductive carbon grain is located the tip of support column, electrically conductive carbon grain with contact position corresponds just electrically conductive carbon grain with contact butt.

9. The dual-screen cashier device of claim 8, wherein: be equipped with the fixed orifices on the support column, the fixed orifices inserts has the silica gel post, electrically conductive carbon grain is located the tip of silica gel post, just electrically conductive carbon grain with silica gel post integrated into one piece.