CN107784751B - Cash register - Google Patents

Abstract

The invention relates to the technical field of electronic products, in particular to a cashier device, which comprises a main machine and an auxiliary machine which are mutually detachably connected, wherein the main machine comprises a first machine body and a first display screen arranged on the first machine body, and the auxiliary machine comprises a second machine body and a second display screen arranged on the second machine body; the first machine body comprises a first shell with a first accommodating cavity, the first accommodating cavity is connected with an automatic ejection locking device, the host machine further comprises a thermal printer connected with the automatic ejection locking device, and the automatic ejection locking device comprises a push switch which is exposed out of the first shell and used for controlling the automatic ejection locking device to drive the thermal printer to be locked on the first shell or ejected out of the first shell. The cashier device of the invention has the advantages of no increase of the whole volume of the host, small occupied area of the host, reduced requirement for placing the host, more convenient use of the cashier device, small limitation and flexible use due to the built-in thermal printer.

Description

Cash register

Technical Field

The invention relates to the technical field of electronic products, in particular to a cashing device.

Background

The cash register 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, and has the functions of supporting consumption, preauthorization, balance inquiry and transfer, etc. it is safe, quick and reliable to use. Existing cash registers are typically configured with two fixedly connected display screens through which the merchant and customer are presented with the required interface and associated transaction operations, respectively. However, when the existing dual-screen cash register is specifically applied, a printer is generally required to be configured and connected with the dual-screen cash register for use, so that relevant certificates, notes and the like in the transaction process are printed, the volume of the whole equipment formed by the dual-screen cash register connected with the printer is enlarged due to the fact that the printer is externally connected, the occupied placement area is enlarged, the requirements on placement counter and placement position are higher, the use convenience of the dual-screen cash register is poor, and the existing dual-screen cash register has larger limitation in use.

Disclosure of Invention

The invention aims to provide a cashier device, which aims to solve the technical problem that the use convenience is poor due to the fact that the volume of a double-screen cash register is increased when the cash register is matched with an external printer in the prior art.

In order to achieve the above purpose, the technical scheme of the invention is as follows: the cash register comprises a main machine and an auxiliary machine which are detachably connected with each other, wherein the main machine comprises a first machine body and a first display screen arranged on the first machine body, and the auxiliary machine comprises a second machine body and a second display screen arranged on the second machine body; the first machine body comprises a first shell with a first accommodating cavity, an automatic ejection locking device is connected in the first accommodating cavity, the host also comprises a thermal printer connected with the automatic ejection locking device, and the automatic ejection locking device comprises a push switch which is exposed out of the first shell and used for controlling the automatic ejection locking device to drive the thermal printer to be locked in the first shell or to eject out of the first shell.

Preferably, the automatic pop-up locking device further comprises a fixed seat fixedly arranged at the bottom of the first accommodating cavity, a movable seat which is in sliding connection with the fixed seat and is used for being installed by the thermal printer, and an elastic mechanism for driving the movable seat to pop-up;

The movable seat is provided with a female buckle towards the front end of the movement direction in the first accommodating cavity, the bottom of the fixed seat is provided with a male buckle which stretches into the fixed seat and is used for being buckled with the female buckle when the elastic mechanism is compressed by the movable seat, and the push type switch is connected with the male buckle and drives the male buckle to move along the direction intersecting with the movement direction of the movable seat so as to enable the male buckle to be separated from the buckling with the female buckle.

Preferably, the push switch comprises a slider main body and a first elastic piece, wherein the slider main body is provided with a strip-shaped hole, one side in the strip-shaped hole extends towards the other side to be provided with a first guide rod, and the male buckle is fixed on the slider main body; the bottom of fixing base be equipped with along with the direction that the direction of motion of movable seat crossed arranges guide slide and be located first stopper on the guide slide, first guide hole has been seted up to first stopper, the slider main part is connected in the guide slide and in the guide slide is interior to be removed, the one end of first guide arm is passed first guide hole, first elastic component cover is located outside the first guide arm and its one end with first stopper butt.

Preferably, the elastic mechanism comprises a second guide rod, a second elastic piece and a top block, a second limiting block is arranged at the bottom of the fixed seat, close to the position of the top block, in a downward extending mode, a second guide hole is formed in the second limiting block, the end portion of the second guide rod penetrates through the second guide hole, the top block is fixedly connected with the outer end portion of the second guide rod and is located at the front side of the rear end of the movable seat in the moving direction in the first accommodating cavity, and the second elastic piece is sleeved outside the second guide rod, and two ends of the second elastic piece are respectively in butt joint with the second limiting block and the top block.

Preferably, the fixing base is provided with limiting pieces which are positioned at two sides of the male buckle and used for limiting the male buckle to move along a direction intersecting with the moving direction of the movable base.

Preferably, the push switch further comprises a key cap arranged at the outer end part of the slide fastener main body, a limit flange is arranged at the periphery of the inner side of the key cap, a key groove for the key cap to be installed is arranged at the position of the first shell corresponding to the key cap, and two opposite inner sides of the key groove are respectively provided with a stroke stop block and an anti-drop stop block, wherein the stroke stop block is matched with the limit flange and used for limiting the pressing stroke of the key cap, and the anti-drop stop block is used for preventing the key cap from dropping out of the key groove.

Preferably, two sides of the movable seat are respectively provided with a sliding rail which is in sliding connection with two opposite sides of the fixed seat.

Preferably, the two elastic mechanisms are arranged at the bottom of the fixing seat and are arranged at intervals along the width direction of the fixing seat.

Preferably, the front end of the female buckle is provided with a first easy-to-buckle inclined plane, and the end part of the male buckle is provided with a second easy-to-buckle inclined plane which is convenient to match with the first easy-to-buckle inclined plane during movement so that the female buckle and the male buckle are connected.

Preferably, the first housing is provided with a first connecting part, and the second body comprises a second housing with a second connecting part and a second accommodating cavity; the first connecting part and the second connecting part are mutually inserted or connected through a wire harness.

Preferably, the first connecting part is outwards protruded to form an inserting block, the second connecting part is inwards recessed to form a slot, the inserting block is provided with a circuit contact pin, and the slot is provided with a circuit jack; the plug block is inserted into the slot, and the circuit pin is spliced with the circuit jack; or the circuit contact pin and the circuit jack are respectively and electrically connected to two ends of the wire harness.

Preferably, a locking mechanism for locking the insertion block and the insertion slot which are mutually inserted is arranged between the first connecting part and the second connecting part; the locking mechanism comprises a lock catch arranged on the inserting block, a lock hole arranged on the inserting groove and a locking piece which is arranged in the second accommodating cavity and can slide, and the locking piece is provided with a locking piece which is buckled with the lock catch extending into the lock hole when sliding.

Preferably, the locking mechanism further comprises a button, the side portion of the second connecting portion, located in the second accommodating cavity, is provided with a guide groove block for limiting the locking block to move along the movement direction intersecting with the lock catch, the locking piece is in sliding connection with the second shell, and the button is fixedly connected with the locking piece and is exposed out of the second shell and used for driving the locking piece to slide so as to drive the locking block to slide in the guide groove block.

Preferably, the outer periphery of the insert block is respectively provided with a first inclined guide-in surface and a positioning surface along the direction of inserting the insert block into the slot, and the position of the inner periphery of the slot corresponding to the first inclined guide-in surface is provided with a second inclined guide-in surface matched with the first inclined guide-in surface and a plurality of convex ribs matched and clamped with the positioning surface so as to limit the movement of the insert block.

Preferably, a sliding block is arranged at the side end of the locking piece, and a sliding groove matched and connected with the sliding block is arranged at a position, corresponding to the sliding block, of the inner wall of the second shell.

Preferably, the locking piece comprises a side plate and a top plate which are arranged at an angle and are connected with each other, the side plate is arranged at one side, close to the slot, of the second accommodating cavity, and the locking piece is arranged on the side plate; the top plate is arranged on one side, close to the top of the second shell, of the second accommodating cavity, and the sliding block is arranged on the top plate.

Preferably, a first positioning groove is formed in the bottom of the first shell, and a first positioning block which is inserted and positioned with the first positioning groove is arranged at the bottom of the second shell in an outward extending mode.

Preferably, a second positioning groove is formed in the periphery of the top of the second shell, and a second positioning block which is inserted and positioned with the second positioning groove is arranged on the periphery of the top of the first shell in an outward extending mode.

The invention has the beneficial effects that: according to the cash register disclosed by the invention, the thermal printer is directly arranged in the host, then the thermal printer is installed through the elastic locking mechanism arranged on the first shell of the host, and the thermal printer installed on the elastic locking mechanism is controlled to automatically pop up through the push switch of the elastic locking mechanism, so that the thermal printer can be conveniently replaced with thermal paper, and the thermal printer after the thermal paper is replaced can be locked in the first accommodating cavity of the first shell by pushing the elastic locking mechanism. The cashier device is provided with the thermal printer, so that the whole volume of the host is not increased, the occupation area of the host is not increased, the requirements on the placement counter and the placement position of the host are reduced, the cashier device is more convenient to use, and the cashier device has the advantages of small limitation and flexible use.

Drawings

Fig. 1 is a schematic diagram of a structure in which a main unit and an auxiliary unit of a cashier device according to an embodiment of the present invention are integrally connected.

Fig. 2 is another schematic structural diagram of a connection between a main unit and an auxiliary unit of a cashier device according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a split structure of a host and an auxiliary unit of a cashier device according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a first body of a cashier device according to an embodiment of the present invention.

Fig. 5 is a schematic structural exploded view of a first body of a cashier device according to an embodiment of the present invention.

Fig. 6 is an enlarged partial schematic view at a in fig. 5.

Fig. 7 is another exploded view of the first body of the cashier device according to the embodiment of the present invention.

Fig. 8 is a partially enlarged schematic view at B in fig. 7.

Fig. 9 is a schematic structural diagram of a fixing base of a cashier device according to an embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a key slot of a cashier device according to an embodiment of the present invention connected to a first housing.

Fig. 11 is another schematic structural diagram of the first body of the cashier device according to the embodiment of the present invention.

Fig. 12 is a schematic structural diagram of a second body of the cashier device according to the embodiment of the present invention.

Fig. 13 is a schematic exploded view of a second body of the cashier device according to the embodiment of the present invention.

Fig. 14 is a partially enlarged schematic view of fig. 13C.

Fig. 15 is a schematic exploded view of a locking mechanism of a cashier device according to an embodiment of the present invention.

Fig. 16 is a schematic structural diagram of a locking piece of a cashier device according to an embodiment of the present invention.

Fig. 17 is a partially enlarged schematic view of fig. 7 at D.

The reference numerals include:

1-main machine 2-auxiliary machine 3-thermal printer

10-First body 11-first shell 20-first display screen

30-Second body 31-second shell 40-second display screen

50-Wire harness 60-automatic ejection locking device 61-push type switch

62-Fixed seat 63-movable seat 64-elastic mechanism

70-First connection portion 71-plug 72-circuit pin

80-Second connection portion 81-slot 82-circuit jack

90-Locking mechanism 91-lock catch 92-lock hole

93-Locking piece 94-button 100-slide rail

111-First accommodation chamber 112-key slot 113-travel stop

114-Anti-drop block 115-first positioning groove 116-second positioning block

311-Second accommodation chamber 312-sliding groove 313-first positioning block

314-Second positioning groove 611-slider body 612-first elastic member

613-Bar hole 614-first guide bar 615-key cap

621-Pin 622-second easy-to-buckle inclined plane 623-guiding slideway

624-First stopper 625-stopper piece 626-second stopper

631-Female buckle 632-first easy buckle inclined plane 641-second guide rod

642-Second elastic member 643-top block 711-first inclined lead-in surface

712-Positioning surface 811-second inclined lead-in surface 812-convex rib

813-Guide groove block 931-side plate 932-top plate

6151-Limit flange 9311-lock block 9321-slide block.

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 17 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," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore 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 17, the cashier apparatus provided in the embodiment of the present invention includes a main unit 1 and a sub-unit 2 detachably connected to each other, the main unit 1 includes a first machine body 10 and a first display screen 20 disposed on the first machine body 10, and the sub-unit 2 includes a second machine body 30 and a second display screen 40 disposed on the second machine body 30; the first body 10 includes a first housing 11 having a first accommodating cavity 111, an automatic pop-up locking device 60 is connected to the first accommodating cavity 111, the host 1 further includes a thermal printer 3 connected to the automatic pop-up locking device 60, and the automatic pop-up locking device 60 includes a push switch 61 exposed outside the first housing 11 and used for controlling the automatic pop-up locking device 60 to drive the thermal printer 3 to lock to the first housing 11 or pop out of the first housing 11.

Specifically, in the cashier apparatus of the embodiment of the present invention, a thermal printer 3 is directly disposed in the host 1, then the thermal printer 3 is installed by an elastic locking mechanism 90 disposed on the first housing 11 of the host 1, and the thermal printer 3 installed on the elastic locking mechanism 90 is controlled to pop up automatically by a push switch 61 of the elastic locking mechanism 90, so as to facilitate replacement of thermal paper for the thermal printer 3, and the thermal printer 3 after completion of replacement of thermal paper can be locked in the first accommodating cavity 111 of the first housing 11 by pushing the elastic locking mechanism 90.

According to the cashier device disclosed by the embodiment of the invention, the thermal printer 3 is arranged in the cashier device, so that the whole volume of the host 1 is not increased, the occupation area of the host 1 is prevented from being increased, the requirements on the placement counter and the placement position of the host 1 are reduced, the cashier device is more convenient to use, and the cashier device has the advantages of small limitation and flexible use.

As shown in fig. 5 to 8, in the present embodiment, the automatic pop-up locking device 60 further includes a fixed seat 62 fixedly installed at the bottom of the first accommodating cavity 111, a movable seat 63 slidably connected to the fixed seat 62 and configured to mount the thermal printer 3, and an elastic mechanism 64 for driving the movable seat 63 to pop-up; specifically, the thermal printer 3 mounted on the movable seat 63 is fixed on the first housing 11 by compressing the elastic mechanism 64, and the movable seat 63 is connected between the movable seat 63 and the fixed seat 62 through the elastic mechanism 64; the thermal printer 3 can also be ejected out of the first housing 11 by pressing the push switch 61 to cause the elastic mechanism 64 to move the movable base 63 relative to the fixed base 62 by elastic force.

As shown in fig. 5 to 6, in the present embodiment, a female buckle 631 is disposed at a front end of the movable seat 63 in a movement direction of the first accommodating cavity 111, a male buckle 621 extending into the fixed seat 62 and used for buckling with the female buckle 631 when the elastic mechanism 64 is compressed by the movable seat 63 is disposed at a bottom of the fixed seat 62, and the push switch 61 is connected with the male buckle 621 and drives the male buckle 621 to move along a direction intersecting with the movement direction of the movable seat 63 so that the male buckle 621 is separated from the buckling with the female buckle 631. Specifically, the movable seat 63 is pushed into the first accommodating cavity 111, the movable seat 63 compresses the elastic mechanism 64 until the female buckle 631 provided on the movable seat 63 is fastened to the male buckle 621 extending into the fixed seat 62, so that the movable seat 63 is fixed relative to the fixed seat 62, and the thermal printer 3 mounted on the movable seat 63 is mounted in the first accommodating cavity 111. When the thermal paper on the thermal printer 3 needs to be replaced, the push switch 61 can be pushed, the push switch 61 moves towards the direction crossing the movable seat 63 until the male buckle 621 connected with the push switch 61 is driven to be separated from the buckling with the female buckle 631, once the male buckle 621 is separated from the female buckle 631, the movable seat 63 ejects the movable seat 63 under the action of the elastic force of the elastic mechanism 64, so that the thermal paper on the thermal printer 3 can be replaced.

As shown in fig. 7 to 8, in the present embodiment, the push switch 61 includes a slider body 611 and a first elastic member 612, the slider body 611 is provided with a bar hole 613, a first guide rod 614 extends from one side to the other side in the bar hole 613, and the male buckle 621 is fixed on the slider body 611; the bottom of the fixed seat 62 is provided with a guide slide way 623 and a first limiting block 624, the guide slide way 623 is arranged along a direction intersecting with the movement direction of the movable seat 63, the first limiting block 624 is provided with a first guide hole (not shown), the slide fastener main body 611 is connected in the guide slide way 623 and moves in the guide slide way 623, one end of the first guide rod 614 passes through the first guide hole, and the first elastic member 612 is sleeved outside the first guide rod 614 and one end of the first elastic member is abutted against the first limiting block 624. Specifically, when the push switch 61 is pressed, an external force is applied to the slider body 611, the slider body 611 drives the male buckle 621 fixed on the slider body 611 to move along the guiding rail 623 provided at the bottom of the fixing seat 62, the slider body 611 compresses the first elastic member 612 sleeved outside the first guide rod 614 during the movement, and when the slider body 611 moves a sufficient distance, the male buckle 621 is disconnected from the female buckle 631, and then when the external force applied to the slider body 611 is removed, the slider body 611 drives the slider body 611 to return under the action of the elastic force of the first elastic member 612. Even if the male buckle 621 fixed on the slider body 611 is reset, so that the movable seat 63 ejected out of the first accommodating cavity 111 is pushed into the first accommodating cavity 111 again, the male buckle 621 can be buckled with the female buckle 631 provided on the movable seat 63 again, so that the movable seat 63 is fixed in the first accommodating cavity 111 of the first housing 11 again.

As shown in fig. 7 and 17, in this embodiment, the elastic mechanism 64 includes a second guide rod 641, a second elastic element 642 and a top block 643, a second stopper 626 is disposed at a position of the bottom of the fixed seat 62, which is close to the top block 643, and extends downward, the second stopper 626 is provided with a second guide hole (not shown), an end portion of the second guide rod 641 passes through the second guide hole, the top block 643 is fixedly connected with an outer end portion of the second guide rod 641 and is located at a front side of a rear end of the movable seat 63 in the moving direction in the first accommodating cavity 111, the second elastic element 642 is sleeved outside the second guide rod 641, and two ends of the second elastic element 642 are respectively abutted to the second stopper 626 and the top block 643. Specifically, when the movable seat 63 is pushed toward the first accommodating cavity 111, since the top block 643 is disposed at the front side of the movable seat 63, the movable seat 63 will abut against the top block 643 after moving a certain distance to continuously push the top block 643 to move forward, and the second elastic element 642 is compressed during the forward movement of the top block 643 until the female buckle 631 on the movable seat 63 is fastened with the male buckle 621 extending into the fixed seat 62. Then, after the male buckle 621 is disconnected from the female buckle 631 by pressing the push switch 61, the top block 643 is momentarily sprung out due to the elastic force of the compressed second elastic member 642 acting on the top block 643 until the top block 643 abuts against and pushes the movable seat 63 outwards, so that the movable seat 63 is sprung out of the first accommodating cavity 111, thereby completing the spring-out operation of the movable seat 63.

As shown in fig. 8 to 9, in the present embodiment, the fixing base 62 is provided with a limiting piece 625 located at two sides of the male buckle 621 for limiting the male buckle 621 to move in a direction intersecting with the moving direction of the movable base 63. Specifically, the limiting piece 625 is provided to ensure that the pin 621 moves in a predetermined direction, and also prevent the pin 621 from being deformed toward both front and rear sides by the force of the push and pull applied by the box 631. So that the housing ensures the stability and reliability of the fastening of the male buckle 621 with the female buckle 631 and prolongs the service life of the male buckle 621.

As shown in fig. 8 and 10, in this embodiment, the push switch 61 further includes a key cap 615 disposed at an outer end of the slider body 611, a limit flange 6151 is disposed at an inner periphery of the key cap 615, a key slot 112 for mounting the key cap 615 is disposed at a position of the first housing 11 corresponding to the key cap 615, and two opposite inner sides of the key slot 112 are respectively provided with a travel stop 113 and a release stop 114 that cooperate with the limit flange 6151 to limit a push travel of the key cap 615 and prevent the key cap 615 from being released from the key slot 112. Specifically, a worker can push the button cap 615 with a finger to drive the slider body 611 connected with the button cap 615 to move, the button cap 615 is installed in the button slot 112 to ensure the installation stability of the button cap 615, in addition, the stroke check blocks 113 and the anti-drop check blocks 114 are respectively arranged at two opposite sides of the button slot 112, and the stroke of the button cap 615 after being pushed can be controlled by the forming check blocks, so that the forward stroke of the slider body 611 is controlled, and the damage to components caused by excessive forward movement of the slider body 611 is avoided; in addition, the anti-falling stop block 114 can prevent the slider main body 611 from driving the key cap 615 to pop out of the key slot 112 under the elastic force of the second elastic member 642, so as to effectively prevent the key cap 615 from falling off.

In this embodiment, as shown in fig. 5, two sides of the movable seat 63 are respectively provided with a sliding rail 100 slidably connected to two opposite sides of the fixed seat 62. Specifically, the sliding rail 100 can be set to enable the movable seat 63 to move relative to the fixed seat 62 according to the requirement, for example, a sliding rail 100 with a multi-section structure can be used to connect between the movable seat 63 and the fixed seat 62, so that the sliding travel of the movable seat 63 relative to the fixed seat 62 can be further increased.

As shown in fig. 7, in this embodiment, two elastic mechanisms 64 are provided, and the two elastic mechanisms 64 are both disposed at the bottom of the fixing base 62 and are spaced apart along the width direction of the fixing base 62. Specifically, the arrangement of the two elastic mechanisms 64 can ensure that the top block 643 of the elastic mechanism 64 can give a force balanced in the width direction when abutting against the movable seat 63, so that the movable seat 63 can be prevented from tilting due to uneven stress, and the phenomenon of unsmooth ejection or even jamming is avoided.

Preferably, the first elastic member 612 and the second elastic member 642 each employ a spring.

As shown in fig. 6, in this embodiment, a first easy-to-buckle inclined surface 632 is provided at the front end of the female buckle 631, and a second easy-to-buckle inclined surface 62 is provided at the end of the male buckle 621, which is convenient to cooperate with the first easy-to-buckle inclined surface 632 during movement, so that the female buckle 631 is fastened with the male buckle 621. Specifically, the first easy-to-buckle inclined surface 632 is matched with the second easy-to-buckle inclined surface 62, so that the inclined surface matching between the female buckle 631 and the male buckle 621 can be realized, and the angle interference between the male buckle 621 and the female buckle 631 is avoided, so that the buckling connection between the female buckle 631 and the male buckle 621 can be realized conveniently.

As shown in fig. 11 to 12, in the present embodiment, the first housing 11 is provided with a first connection portion 70, and the second body 30 includes a second housing 31 having a second connection portion 80 and a second receiving cavity 311; the first connection part 70 and the second connection part 80 are inserted into each other or the first connection part 70 and the second connection part 80 are connected by the wire harness 50. Specifically, the first connection portion 70 and the second connection portion 80 are inserted into each other, so that the main unit 1 and the auxiliary unit 2 are combined together to form a cashier device with an integral structure. The first connecting part 70 and the second connecting part 80 are connected through the wire harness 50, so that the main machine 1 and the auxiliary machine 2 can be separately placed, and the cashier equipment with a split structure is formed.

As shown in fig. 11 to 12, in this embodiment, the first connection portion 70 is formed with an insert block 71 protruding outwards, the second connection portion 80 is formed with an insert groove 81 recessed inwards, the insert block 71 is provided with a circuit pin 72, and the insert groove 81 is provided with a circuit insertion hole 82; the plug 71 is inserted into the slot 81, and the circuit pin 72 is plugged into the circuit jack 82; or the circuit pin 72 and the circuit jack 82 are electrically connected to both ends of the wire harness 50, respectively. Specifically, the connection between the plug 71 and the slot 81 enables the first connection portion 70 and the second connection portion 80 to be mechanically connected, so that an integral body between the main unit 1 and the auxiliary unit 2 can be ensured. The electrical connection between the circuit pin 72 and the circuit jack 82 can be achieved between the main unit 1 and the auxiliary unit 2, so as to connect the main unit 1 and the auxiliary unit 2 to form an integral cashier device. In addition, the circuit pin 72 and the circuit jack 82 are connected through the wire harness 50, so that the main machine 1 and the auxiliary machine 2 can be electrically connected, and the cashier equipment can be formed into a split structure, so that the cashier equipment can be used according to different occasions.

As shown in fig. 15, in the present embodiment, a locking mechanism 90 for locking the plug 71 and the slot 81 inserted into each other is provided between the first connection portion 70 and the second connection portion 80; the locking mechanism 90 includes a lock catch 91 disposed on the insert block 71, a lock hole 92 disposed on the slot 81, and a slidable locking member 93 disposed in the second accommodating cavity 311, where the locking member 93 is provided with a lock block 9311 fastened with the lock catch 91 extending into the lock hole 92 when sliding. Specifically, the locking piece 9311 is driven to move by the sliding locking piece 93 until the locking piece 9311 is driven to be fastened with the lock catch 91 extending into the lock hole 92, so that the locking of the plug-in block 71 and the slot 81 is completed, and thus the first shell 11 and the second shell 31 which are matched with each other can be prevented from being separated, and the main machine 1 and the auxiliary machine 2 are ensured to form an integral structure.

As shown in fig. 15, in this embodiment, the locking mechanism 90 further includes a button 94, a guide groove block 813 for limiting the movement of the locking piece 9311 along the movement direction intersecting with the lock catch 91 is provided on the side portion of the second receiving cavity 311 of the second connecting portion 80, the locking piece 93 is slidably connected with the second housing 31, and the button 94 is fixedly connected with the locking piece 93 and is exposed out of the second housing 31 and is used for driving the locking piece 93 to slide so as to drive the locking piece 9311 to slide in the guide groove block 813. Specifically, the guide groove block 813 is set such that the lock block 9311 can only move within the set guide groove block 813, when the worker pulls the button 94, the button 94 moves to drive the locking piece 93 connected thereto to move, the lock block 9311 disposed on the locking piece 93 can only move within the guide groove block 813, and when the lock block 9311 moves within the guide groove block 813 after a certain formation, the lock block 9311 is fastened to or released from the lock catch 91 extending into the lock hole 92, thereby releasing the locking connection between the insert block 71 and the slot 81 or locking the insert block 71 and the slot 81.

As shown in fig. 15, in this embodiment, a first inclined guiding surface 711 and a positioning surface 712 are provided on the outer periphery of the insert block 71 along the direction in which the insert block is inserted into the insert slot 81, and a second inclined guiding surface 811 that mates with the first inclined guiding surface 711 and a plurality of ribs 812 that mate with the positioning surface 712 to limit the movement of the insert block 71 are provided on the inner periphery of the insert slot 81 at positions corresponding to the first inclined guiding surface 711. Specifically, the first inclined guiding surface 711 and the second inclined guiding surface 811 cooperate to facilitate the sliding of the insert 71 into the slot 81, and as the sliding depth of the insert 71 into the slot 81 increases, until a plurality of bald ribs arranged on the inner circumferential surface of the slot 81 abut against the positioning surface 712 on the outer circumferential surface of the insert 71, at this time, the cooperation between the insert 71 and the slot 81 is completed, and the movement of the positioning surface 712 can be effectively limited, i.e. the movement of the insert 71 in the slot 81 is limited, so as to ensure the stability and reliability after the connection between the insert 71 and the slot 81.

As shown in fig. 13 to 16, in the present embodiment, a sliding block 9321 is provided at a side end of the lock member 93, and a sliding groove 312 that is cooperatively connected to the sliding block 9321 is provided at a position corresponding to the sliding block 9321 on the inner wall of the second housing 31. Specifically, the sliding block 9321 and the sliding groove 312 can ensure that the sliding connection between the locking piece 93 and the second housing 31 slides in a set direction, so as to improve the stability and reliability of the locking piece 93 driving the locking piece 9311 to move, thereby effectively ensuring that the locking piece 9311 can be fastened with the lock catch 91 or be separated from the lock catch 91.

As shown in fig. 15 to 16, in the present embodiment, the locking member 93 includes a side plate 931 and a top plate 932 which are disposed at an angle and are connected to each other, the side plate 931 is disposed on a side of the second accommodating cavity 311 adjacent to the slot 81, and the locking piece 931 is disposed on the side plate 931; the top plate 932 is disposed on a side of the second accommodating cavity 311 near the top of the second housing 31, and the sliding block 9321 is disposed on the top plate 932. Specifically, the arrangement of the side plates 931 and the top plate 932 arranged at an angle provides a supporting point for the position setting of the lock block 931 and the slide block 9321, and can enable the driving of the lock block 931 located at the side portion to be formed at the top, facilitating the control of the movement of the lock piece 93 by the worker.

As shown in fig. 11 to 12, in this embodiment, a first positioning groove 115 is formed at the bottom of the first housing 11, and a first positioning block 313 inserted and positioned with the first positioning groove 115 is extended outwards from the bottom of the second housing 31. Specifically, the cooperation of the first positioning groove 115 and the first positioning block 313 may facilitate positioning when the first housing 11 is connected to the second housing 31, so as to facilitate inserting the insert 71 into the slot 81. Meanwhile, the setting of the first positioning block 313 also increases the area of the bottom of the second housing 31, so as to improve the stability of the second housing 31 placed on the counter and ensure that the auxiliary machine 2 is not easy to topple over.

As shown in fig. 11 to 12, in this embodiment, a second positioning groove 314 is formed on the outer periphery of the top of the second housing 31, and a second positioning block 116 that is inserted into and positioned with the second positioning groove 314 is formed on the outer periphery of the top of the first housing 11 in an extending manner. Specifically, the second positioning groove 314 and the second positioning block 116 are set to make the connection between the first housing 11 and the second housing 31 better and stable, and the second positioning groove 314 and the second positioning block 116 in cooperation can make the integrity effect of the first housing 11 and the second housing 31 better and the appearance more attractive.

In view of the above, the present invention has the above-mentioned excellent characteristics, so that it can be used to improve the performance and practicality of the prior art, and is a product with great practical value.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but any modifications, equivalents, or improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (7)

1. The cash register comprises a main machine and an auxiliary machine which are detachably connected with each other, wherein the main machine comprises a first machine body and a first display screen arranged on the first machine body, and the auxiliary machine comprises a second machine body and a second display screen arranged on the second machine body; the method is characterized in that: the first machine body comprises a first shell with a first accommodating cavity, an automatic ejection locking device is connected to the first accommodating cavity, the host also comprises a thermal printer connected with the automatic ejection locking device, and the automatic ejection locking device comprises a push switch which is exposed out of the first shell and is used for controlling the automatic ejection locking device to drive the thermal printer to be locked on the first shell or to eject out of the first shell;

the automatic ejecting locking device also comprises a fixed seat fixedly arranged at the bottom of the first accommodating cavity, a movable seat which is connected with the fixed seat in a sliding manner and is used for being installed by the thermal printer, and an elastic mechanism for driving the movable seat to be ejected;

the elastic mechanism comprises a second guide rod, a second elastic piece and a jacking block, a second limiting block is arranged at the bottom of the fixed seat in a downward extending mode at a position close to the jacking block, a second guide hole is formed in the second limiting block, the end portion of the second guide rod penetrates through the second guide hole, the jacking block is fixedly connected with the outer end portion of the second guide rod and is located at the front side of the rear end of the movable seat in the moving direction in the first accommodating cavity, the second elastic piece is sleeved outside the second guide rod, and two ends of the second elastic piece are respectively abutted with the second limiting block and the jacking block; the front end of the movable seat in the movement direction in the first accommodating cavity is provided with a female buckle, the bottom of the fixed seat is provided with a male buckle which stretches into the fixed seat and is used for being buckled with the female buckle when the elastic mechanism is compressed by the movable seat, and the push switch is connected with the male buckle and drives the male buckle to move along the direction intersecting with the movement direction of the movable seat so as to enable the male buckle to be separated from the buckling with the female buckle;

The push type switch comprises a slide buckle main body and a first elastic piece, wherein the slide buckle main body is provided with a strip-shaped hole, one side in the strip-shaped hole extends towards the other side to be provided with a first guide rod, and the male buckle is fixed on the slide buckle main body; the bottom of fixing base be equipped with along with the direction that the direction of motion of movable seat crossed arranges guide slide and be located first stopper on the guide slide, first guide hole has been seted up to first stopper, the slider main part is connected in the guide slide and in the guide slide is interior to be removed, the one end of first guide arm is passed first guide hole, first elastic component cover is located outside the first guide arm and its one end with first stopper butt.

2. The cashier device of claim 1, wherein: and limiting sheets which are positioned on two sides of the male buckle and used for limiting the male buckle to move along the direction intersecting with the moving direction of the movable seat are arranged on the fixed seat.

3. A cashier device according to any of claims 1-2, characterized in that: the first shell is provided with a first connecting part, and the second body comprises a second shell with a second connecting part and a second accommodating cavity; the first connecting part and the second connecting part are mutually inserted or connected through a wire harness.

4. A cashier device as claimed in claim 3, wherein: the first connecting part is outwards protruded to form an inserting block, the second connecting part is inwards recessed to form a slot, the inserting block is provided with a circuit contact pin, and the slot is provided with a circuit jack; the plug block is inserted into the slot, and the circuit pin is spliced with the circuit jack; or the circuit contact pin and the circuit jack are respectively and electrically connected to two ends of the wire harness.

5. The cashier device of claim 4, wherein: a locking mechanism for locking the inserting block and the inserting slot which are mutually inserted is arranged between the first connecting part and the second connecting part; the locking mechanism comprises a lock catch arranged on the inserting block, a lock hole arranged on the inserting groove and a locking piece which is arranged in the second accommodating cavity and can slide, and the locking piece is provided with a locking piece which is buckled with the lock catch extending into the lock hole when sliding.

6. The cashier device of claim 5, wherein: the locking mechanism further comprises a button, the side part of the second connecting part, which is positioned in the second accommodating cavity, is provided with a guide groove block used for limiting the locking block to move along the movement direction intersecting with the lock catch, the locking piece is in sliding connection with the second shell, and the button is fixedly connected with the locking piece and is exposed out of the second shell and used for driving the locking piece to slide so as to drive the locking block to slide in the guide groove block.

7. The cashier device of claim 4, wherein: the periphery of the insertion block is respectively provided with a first inclined leading-in surface and a positioning surface along the direction of the insertion block inserted into the slot, and the position of the inner periphery of the slot corresponding to the first inclined leading-in surface is provided with a second inclined leading-in surface matched with the first inclined leading-in surface and a plurality of convex ribs matched and clamped with the positioning surface to limit the movement of the insertion block.