CN213182764U

CN213182764U - Figure coding optical scanning device and cash register with same

Info

Publication number: CN213182764U
Application number: CN202022477181.0U
Authority: CN
Inventors: 钮李明
Original assignee: Xiamen Pinnacle Electrical Co ltd
Current assignee: Xiamen Pinnacle Electrical Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-05-11
Anticipated expiration: 2030-10-30

Abstract

The present invention relates to an electronic device, and more particularly, to an optical scanner for scanning and recognizing a graphic code. The invention provides a pattern coding optical scanning device, comprising: rotating bracket, optical scanner fixed bolster and optical scanner, wherein: the rotary bracket is fixedly arranged on a fixed object and used for driving the optical scanner fixed bracket to rotate; the optical scanner fixing bracket is used for fixing the optical scanner; the optical scanner comprises an optical scanning lens, and is used for scanning the graphic codes and transmitting the graphic code information identified by scanning to an external device in a communication way. The invention also provides a cash register, which comprises a bracket used for being erected on a desktop, at least one display screen arranged on the bracket, and the graphic coding optical scanning device. The invention is used for scanning and identifying the graphic codes, and is particularly used for supermarket cash collection.

Description

Figure coding optical scanning device and cash register with same

Technical Field

The utility model relates to an electronic device especially relates to the optical scanning ware that carries out scanning identification to the figure code, especially is used for the supermarket to receive the pattern code optical scanning device of silver usefulness.

Background

The common supermarket cash register graphic code scanning equipment on the market can be used for scanning commodity one-dimensional codes (mainly bar codes) and/or payment two-dimensional codes (mainly QR codes) and/or even three-dimensional codes, and the main types comprise: the system comprises a handheld mobile optical scanning gun and cash register equipment fixedly provided with 2 optical scanners; but the scanners used for scan recognition of the graphic code are both fixed angle. Therefore, the use is inconvenient, and some defects exist; for example: when the first type of handheld mobile optical scanning gun is used, when a salesclerk scans commodities, the salesclerk needs to manually take up the optical scanning gun to scan the one-dimensional codes of the commodities and then align the optical scanning gun to the payment two-dimensional code scanning settlement of a client when the client settles the settlement, and the handheld mobile optical scanning gun has the defects that: the operation of the shop staff is complicated, time-consuming and labor-consuming. 2 optical scanners of the cash register of the second kind are respectively fixed in 2 directions towards guest and storefront, and one optical scanner towards the storefront is used for the clerk to scan the one-dimensional code of the commodity, and the other optical scanner towards the guest is used for the customer to scan the two-dimensional code for payment, and the disadvantage that it exists is: not only is the equipment cost high, but also the space is occupied.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a figure code optical scanning device and have device's cash registering machine can improve the weak point that above-mentioned prior art exists, as long as can realize supplying the salesman to scan commodity one-dimensional code through an optical scanner, but autogiration swing supplies client side to scan the payment two-dimensional code again.

The technical scheme of the utility model is that:

the utility model provides a figure coding optical scanning device, include: rotating bracket, optical scanner fixed bolster and optical scanner, wherein:

the rotary bracket is fixedly arranged on a fixed object and used for driving the optical scanner fixed bracket to rotate,

the optical scanner fixing bracket is used for fixing the optical scanner,

the optical scanner comprises an optical scanning lens, and is used for scanning the graphic codes and transmitting the graphic code information identified by scanning to an external device in a communication way.

To accommodate more flexible cashier scanning operations, in one embodiment, the optical scanner is removably secured to the optical scanner mount.

In one embodiment, the optical scanner is preferably magnetically attached to the optical scanner mounting bracket.

In order to make the magnetic adsorption operation faster and more accurate, in one embodiment, the optical scanner fixing bracket and the optical scanner are further provided with a matched pilot positioning structure.

In one embodiment, preferably, the guiding and positioning structure is: at least one of the contact surfaces of the optical scanner fixing bracket and the optical scanner is provided with a positioning convex column, and at least one of the contact surfaces of the corresponding optical scanner and the optical scanner fixing bracket is provided with a cylindrical groove.

In one embodiment, considering the production and manufacturing angle, it is preferable that the optical scanner fixing bracket includes two side plates and a bottom plate which are connected perpendicularly to each other to form an "L" shape, the main body housing of the optical scanner is substantially a rectangular body, a plurality of magnets are further disposed in the main body housing of the optical scanner, and a plurality of magnets are disposed in the optical scanner fixing bracket at corresponding positions, and the magnetic poles of the two opposite ends are different, so as to achieve mutual magnetic attraction fixing.

In one embodiment, preferably, the number of the optical scanner fixing bracket and the number of the magnets of the optical scanner are 3, specifically: the magnets of the optical scanner 4 are distributed in: wherein 1 is located at the back plate position of the main body shell used for being abutted with the side backup plate of the scanner support, and the other 2 is located at the side frame position of the main body shell used for being abutted with the bottom backup plate of the scanner support at intervals; the side backup plate of the optical scanner fixing bracket is provided with a mounting cavity for accommodating 1 magnet therein and is fixed by a cover plate sealing cover, and the bottom backup plate of the optical scanner fixing bracket is also provided with a mounting cavity for accommodating the other 2 magnets and is fixed by a cover plate sealing cover.

For more convenience of use, in one embodiment, the optical scanner further comprises a battery, and a metal probe is further provided, and a charging tray corresponding to the metal probe is also provided at a position corresponding to the optical scanner bracket and the optical scanner, and the battery is charged through the conductive matching of the charging tray and the metal probe.

In one embodiment, considering production and manufacturing angles, it is preferable that the rotating bracket includes a main body housing in which at least an electric motor and a driving gear are disposed, the main body housing is provided with a hollow first cylindrical shaft protrusion as a main shaft for driving the optical scanner fixing bracket, and the driving gear is partially exposed inside the hollow first cylindrical shaft protrusion for meshing with a gear of the optical scanner fixing bracket to realize gear transmission driving.

In one embodiment, considering production and manufacturing angles, it is preferable that the optical scanner fixing bracket also has a second cylindrical shaft projection in a direction toward the first cylindrical shaft projection, an outer diameter of the second cylindrical shaft projection is just matched with an inner diameter of the hollow first cylindrical shaft projection of the rotating bracket, and the gear is provided on an outer portion of the second cylindrical shaft projection for meshing with the driving gear of the rotating bracket.

In order to achieve rotational alignment, in one embodiment, the gear disposed outside the second cylindrical shaft protrusion of the optical scanner fixing bracket is only a segment of a circular arc length, and the other portion is a smooth portion.

For better rotational support, in one embodiment, the center of the first hollow cylindrical shaft projection of the rotating bracket is further provided with a bushing, and the center of the second cylindrical shaft projection of the optical scanner fixing bracket is correspondingly provided with a circular shaft capable of being inserted into the bushing.

In order to be suitable for different installation environments and ensure the accuracy of the final rotated angle of the image coding optical scanning device, the image coding optical scanning device further comprises a heavy hammer swing sheet and a reflection type photoelectric sensor, wherein the heavy hammer swing sheet is movably sleeved on the rotating support, the reflection type photoelectric sensor is fixedly arranged on the optical scanner fixing support, and the vertical position is initially centered and positioned by matching the heavy hammer swing sheet with the reflection type photoelectric sensor.

For stable performance and aesthetic consideration, in one embodiment, the weight pendulous reed is movably sleeved on the shaft sleeve at the center of the second cylindrical shaft bulge of the rotating bracket, and the reflective photoelectric sensor is fixedly arranged inside the second cylindrical shaft bulge of the optical scanner fixing bracket.

The utility model also provides a cash registering machine, including being used for setting up the support at the desktop to and install at least one display screen on this support, still include as above figure code optical scanning device.

The utility model discloses an as above technical scheme can realize supplying the salesman to scan commodity one-dimensional code through an optical scanner, but the autogiration swings to customer side again and supplies customer scanning payment two-dimensional code, has overcome the defect that prior art exists.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a cash register according to the present invention;

FIG. 2 is a schematic view of a graphically encoded optical scanning device of an embodiment of the cash register to rotate toward the store-side cashier side;

FIG. 3 is a schematic view of a graphically encoded optical scanning device of an embodiment of the cash register to rotate toward the customer side;

FIG. 4 is a schematic view of a disassembled optical scanner in the pattern-coded optical scanning device of an embodiment of the cash register;

FIG. 5 is an exploded perspective view of components of an embodiment of a pattern encoded optical scanning device according to the present invention;

FIG. 6A is a perspective view of a rotating gantry in an embodiment of the image encoded optical scanning device;

FIG. 6B is a perspective view of an optical scanner mounting bracket in an embodiment of the image encoded optical scanning device;

FIG. 6C is a schematic perspective view of an optical scanner in an embodiment of the pattern encoded optical scanning device;

FIG. 7A is an exploded, partially exploded view of a rotating gantry in an embodiment of the graphic encoding optical scanning device;

FIG. 7B is a perspective view of the mating portions of the rotating bracket and the optical scanner mounting bracket in an embodiment of the image encoded optical scanning device;

fig. 8 is an exploded view of a portion of the optical scanner mounting bracket and optical scanner mating portion of an embodiment of the graphic coding optical scanning device.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 3, as an embodiment of the present invention, a pattern-coded optical scanning device is installed on a supermarket cash register. Supermarket check out machines typically include a stand 100 for mounting on a table, and a cashier display screen 200 and a customer display screen 300 mounted on the stand 100, respectively, facing the cashier side and the customer side. Since the cashier display screen 200 generally has a large size profile, the image-coded optical scanning device 400 of this embodiment is mounted and fixed to one side of the second display screen 200. Of course, in other embodiments, the image-coded optical scanning device may be fixedly installed at other positions of the supermarket cashier machine, such as on the bracket 100; or the image coding optical scanning device can also be installed on other objects besides the supermarket cash register, such as the upright post of the supermarket cash register desk, which is also one of the feasible schemes. The pattern-coded optical scanning device 400 of this embodiment mainly includes: the optical scanner comprises a rotating bracket 6, an optical scanner fixing bracket 5 and an optical scanner 4, wherein the rotating bracket 6 is fixedly installed on a fixed object such as a supermarket cashier machine and used for driving the optical scanner fixing bracket 5 to rotate, the optical scanner fixing bracket 5 is used for fixing the optical scanner 4 in a non-detachable or detachable mode, the optical scanner 4 has an optical scanning function and a communication function and is used for scanning graphic codes such as commodity one-dimensional codes and payment two-dimensional codes and transmitting the scanned and identified graphic code information to external equipment such as an operating computer of a supermarket cashier desk in a wired communication or wireless communication mode.

In a scenario application, as shown in fig. 2, the optical scanning device 400 for graphic coding is specifically configured to drive the rotary bracket 6 to rotate so as to drive the optical scanner 4 fixed on the optical scanner fixing bracket 5 to face the cashier side of the store in an angle of, for example, 45 ° first, for the store clerk to scan the one-dimensional code of the commodity, and the cashier display screen 200 and the customer display screen 300 can display information of the scanned commodity for the store clerk and the customer to view; as shown in fig. 3, the image-coded optical scanning device 400 is driven by the rotating bracket 6 to rotate so as to drive the optical scanner 4 fixed on the optical scanner fixing bracket 5 to face the customer side in an angle of, for example, 45 ° for scanning the two-dimensional code for payment by the customer, and the cashier display screen 200 and the customer display screen 300 can display the scanned payment information for the cashier and the customer at the store to view.

In the application of this embodiment, because only need adopt an optical scanner 4 can realize borrowing this runing bracket 6 to drive thereby both sides upset between shop front cashier's side and customer side, the control mode of this upset can be realized by shop front cashier's simple click operation at supermarket cashier's desk's operation computer, it is very convenient laborsaving in the operation, thereby avoided among the prior art shop front cashier's handheld optical scanning rifle to carry out the defect that wastes time and energy that complicated operation leads to, compare in the current cash registering equipment that is fixed with 2 optical scanners, hardware cost has also been reduced, scanning angle is controllable adjustable simultaneously, also can be more nimble in operation and installation of use.

Referring to fig. 4, in the image encoding optical scanning device 400 of the embodiment, the rotating bracket 6 is installed and fixed on one side of the display screen 200 of the cashier, the optical scanner fixing bracket 5 is rotatably connected to the rotating bracket 6, and the optical scanner 4 is magnetically and attachably fixed on the optical scanner fixing bracket 5. Thus, the rotating bracket 6 can drive the optical scanner fixing bracket 5 to rotate by different angles, so as to synchronously drive the optical scanner 4 to rotate, so that the optical scanner 4 is rotated to face the cashier side and the customer side, and cash collection and payment are facilitated. Meanwhile, under the condition that the optical scanner 4 is not suitable for scanning angles, the optical scanner 4 can be detached independently, and a cashier at a shop holds the optical scanner 4 to scan and identify the graphic codes, so that the use is more flexible.

Referring to fig. 4 again, and also referring to fig. 5 to 8, the rotating bracket 6 includes a mounting bottom plate 63 and a main body casing 64 connected thereto, the bottom plate 63 is provided with mounting screw holes, and can be mounted and fixed on the side of the cashier display screen 200 in a screw locking manner, the main body casing 64 has a receiving cavity therein, and the receiving cavity is internally provided with an electric motor 61, a speed reducer 62 (gear reduction mechanism), a driving gear 67, a driving main board, and the like. The electric motor 61 is decelerated by the decelerator 62 to drive the driving gear 67 to rotate forward or backward at a slower speed, a hollow cylindrical shaft protrusion 65 is provided on a side surface of the main body housing 64 as a main shaft for driving the optical scanner fixing bracket 5, and the driving gear 67 is partially exposed inside the hollow cylindrical shaft protrusion 65, so as to be engaged with the gear of the optical scanner fixing bracket 5, thereby realizing gear transmission driving. The main body of the optical scanner fixing bracket 5 includes two side back plates 51 and a bottom back plate 52 which are vertically connected to each other to form an "L" shape, the side fence 51 is semicircular in shape and is fitted toward the cylindrical shaft boss 65 of the rotating bracket 6, the side abutment plate 51 also has a cylindrical shaft projection 54 in a direction toward the cylindrical shaft projection 65, the outer diameter of the cylindrical shaft projection 54 is exactly matched to the inner diameter of the hollow cylindrical shaft projection 65 of the swivel bracket 6, and the cylindrical shaft boss 54 is externally provided with a gear 541 for meshing with the partially exposed driving gear 67 of the rotating bracket 6, therefore, the optical scanner fixing bracket 5 can be controlled by the control command sent by the driving main board in the rotating bracket 6 to make the electric motor 61 rotate forward and backward to realize different swinging relative to the optical scanner fixing bracket 5, so as to realize scanning the optical scanner 4 towards different angles.

Preferably, the optical scanner fixing bracket 5 only needs to have a certain range of rotation angle relative to the rotating bracket 6 to meet the scanning requirement in functional use. In order to allow the optical scanner fixing bracket 5 and the rotary bracket 6 to rotate smoothly, the gear 541 provided on the outside of the cylindrical shaft boss 54 of the optical scanner fixing bracket 5 is provided only with a length of an arc of a circle, and the other part is a smooth portion 542 which thus cooperates with the inner smooth surface of the hollow cylindrical shaft boss 65 of the rotary bracket 6 as a rotation guide. Because the gear 541 is arranged outside the cylindrical shaft bulge 54 on the optical scanner fixing bracket 5, only a section of arc length is arranged, the arc length of the gear 541 tooth is used for determining the maximum rotatable angle, and when the gear rotates forwards or reversely to the head and tail ends of the arc tooth, the gear is the maximum rotatable angle. The maximum rotatable angle setting as an embodiment of the present invention is 120 degrees, i.e. 60 degrees forward plus 60 degrees reverse. In normal use, the control software may set the range of rotation to 90 degrees, i.e. 45 degrees forward plus 45 degrees reverse. In addition, for better rotational support and guidance, a boss 651 is provided at the center of the hollow cylindrical shaft boss 65 of the rotating bracket 6, and a circular shaft 543 into which the boss 651 can be inserted is correspondingly provided at the center of the cylindrical shaft boss 54 of the optical scanner fixing bracket 5.

The main body housing of the optical scanner 4 is a substantially rectangular body, and includes an optical scanning lens 41 on one side surface, and a main control circuit board, a battery, and the like inside the main body housing, and the main body housing is further provided with a communication port and/or a power supply port. In order to realize that the optical scanner 4 can be fixed on the optical scanner fixing bracket 5 in a magnetically-attachable manner, as shown in fig. 8, 3 magnets 44 are further disposed in the main body housing of the optical scanner 4, 3 magnets 45 are also disposed in the optical scanner fixing bracket 5 at corresponding positions, and magnetic poles of opposite ends of the two magnets are different, so that the two magnets can be fixed in an attachable manner. Specifically, the magnets 44 of the optical scanner 4 are distributed in: one of which is located at a back plate position of the main body housing for abutting against the side rest plate 51 of the scanner stand 5, and the other 2 of which is located at a side frame position of the main body housing for abutting against the bottom rest plate 52 of the scanner stand 5 at intervals. The side backup plate 51 of the optical scanner fixing bracket 5 is provided with a mounting cavity to accommodate 1 magnet 56 therein and is covered and fixed by a cover plate 511, and the bottom backup plate 52 of the optical scanner fixing bracket 5 is also provided with a mounting cavity to accommodate another 2 magnets 56 and is covered and fixed by a cover plate 521.

Preferably, in order to make the magnetic attraction operation of the optical scanner 4 on the optical scanner fixing bracket 5 faster and more accurate, the bottom plate 52 of the optical scanner fixing bracket 5 is provided with 2

positioning studs

531 and 532, and the corresponding optical scanner 4 is provided with 2

cylindrical grooves

431 and 432, by which the fast guiding and positioning can be realized. Of course, the two can be interchanged, for example, the optical scanner fixing bracket is provided with a cylindrical groove and the optical scanner is provided with a positioning convex column, or the two adopt other guiding and positioning structures, such as a card and a strip-shaped positioning slot.

In addition, although the optical scanner 4 has a power port, it can be plugged into a power adapter for charging, but, for more practical purposes, referring again to fig. 5, the optical scanner 4, which enables the magnetic attraction to be fixed to the optical scanner fixing bracket 5 for the period of time, can be automatically charged to replenish its battery power, the optical scanner 4 is further provided with a metal probe 42 on the back plate of the main body housing for abutting against the side backup plate 51 of the optical scanner fixing bracket 5, and a charging tray 55 corresponding to the metal probe 42 is also provided at a position corresponding to the side backup plate 51 of the optical scanner bracket 5, the charging tray 55 is connected to a driving main board inside the rotating bracket 6 by flexible wires (e.g. FPC cable) to obtain a charging current, thereby enabling the battery within the optical scanner 4 to be charged by the conductive engagement of the charging tray 55 and the metal probe 42.

Referring to fig. 7A and 7B, in order to ensure the accuracy of the final rotated angle of the image-coded optical scanning device of this embodiment, it is necessary to initially center the vertical position, considering that the fixed installation object of this embodiment may not necessarily be in a completely vertical state with the checkout counter. In this embodiment, a weight swing plate 66 is movably sleeved on the shaft sleeve 651 at the center of the hollow cylindrical shaft protrusion 65 of the rotating bracket 6, and a reflective photoelectric sensor 57 is fixedly disposed inside the cylindrical shaft protrusion 54 of the side backup plate 51 of the optical scanner fixing bracket 5, and the two cooperate to initially center and position the vertical position. A weight 662 (shown as 2 metal blocks) is fixed at the lower end of the weight pendulum piece 66, so that the weight pendulum piece 66 relatively freely rotates on the shaft sleeve 651 of the rotating bracket 6 under the influence of gravity and always processes the vertical state, the reflective photosensor 57 comprises a self-contained light source and a photosensor at a specific angle, if light emitted by the light source is reflected by the surface of the weight pendulum piece 66, the reflected light can be received by the photosensor and processed by a related processing circuit, so that the position of the weight pendulum piece 66 can be detected, and the rotating bracket 6 is just at the vertical position at the moment, thereby realizing initial centering and positioning; and because the weight swing sheet 66 and the reflective photoelectric sensor 57 are both arranged inside the hollow cylindrical shaft protrusion 65 and the cylindrical shaft protrusion 54 which are mutually matched with the rotating bracket 6 and the optical scanner fixing bracket 5, the weight swing sheet is not easily influenced by external interference, the function is more stable, and the appearance is more beautiful.

The operation principle of the pattern-coded optical scanning device of this embodiment is: the cashier operates the computer or other control peripheral equipment through the cash register, so that the drive mainboard in the rotary support 6 receives the operation instruction in a wireless or wired communication mode, the electric motor 61 in the rotary support 6 is controlled to decelerate through the speed reducer 62 and then drive the drive gear 67 to rotate forwards at a slower speed, the drive gear 67 drives the optical scanner fixing support 5 and the optical scanner 4 fixed on the optical scanner fixing support by magnetic adsorption to synchronously rotate to an angle of 45 degrees and face the cashier side of a shop, the optical scanner fixing support is used for the shop clerk to scan one-dimensional codes of commodities, and the cashier display screen 200 and the customer display screen 300 can display the scanned commodity information for the shop clerk and the customers to check. Subsequently, the cashier operates the computer or other control peripheral equipment through the cash register again, in the same process as the above description, the driving gear 67 is made to rotate reversely to drive the optical scanner fixing bracket 5 and the optical scanner 4 fixed on the optical scanner fixing bracket to rotate 45 degrees synchronously towards the customer side for the customer to scan and pay the two-dimensional code, and meanwhile, the cashier display screen 200 and the customer display screen 300 can display the scanned payment information for the cashier and the customer to check, so that the cashier and the customer in the store can complete the cash-collecting operation. In some cases, when the default scanning angle of the image coding optical scanning device of the embodiment is not favorable for performing the cash registering operation, the cashier can also directly take the optical scanner 4 from the optical scanner fixing bracket 5 and hold the optical scanner 4 to perform the cash registering operation.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A pattern encoded optical scanning device, comprising: rotating bracket, optical scanner fixed bolster and optical scanner, wherein:

the optical scanner fixing bracket is used for fixing the optical scanner,

2. A pattern coded optical scanning device according to claim 1, characterized in that: the optical scanner is detachably fixed on the optical scanner fixing bracket.

3. A pattern coded optical scanning device according to claim 2, characterized in that: the optical scanner is fixed on the optical scanner fixing bracket in a magnetic adsorption mode.

4. A pattern coded optical scanning device according to claim 3, characterized in that: the optical scanner fixing bracket and the optical scanner are also provided with a guide positioning structure matched with each other.

5. A pattern coded optical scanning device according to claim 4, characterized in that: the guiding and positioning structure is as follows: at least one of the contact surfaces of the optical scanner fixing bracket and the optical scanner is provided with a positioning convex column, and at least one of the contact surfaces of the corresponding optical scanner and the optical scanner fixing bracket is provided with a cylindrical groove.

6. A pattern coded optical scanning device according to claim 2, characterized in that: the optical scanner fixing support comprises two L-shaped side backup plates and a bottom backup plate which are mutually perpendicular and connected, a main body shell of the optical scanner is approximately a rectangular body, a plurality of magnets are further arranged in the main body shell of the optical scanner, a plurality of magnets are also arranged in corresponding positions in the optical scanner fixing support, and magnetic poles at opposite ends of the magnets are different, so that mutual magnetic adsorption fixing is realized.

7. A pattern coded optical scanning device according to claim 6, characterized in that: the number of the magnets of the optical scanner fixing bracket and the optical scanner is 3, specifically: the magnets of the optical scanner 4 are distributed in: wherein 1 is located at the back plate position of the main body shell used for being abutted with the side backup plate of the scanner support, and the other 2 is located at the side frame position of the main body shell used for being abutted with the bottom backup plate of the scanner support at intervals; the side backup plate of the optical scanner fixing bracket is provided with a mounting cavity for accommodating 1 magnet therein and is fixed by a cover plate sealing cover, and the bottom backup plate of the optical scanner fixing bracket is also provided with a mounting cavity for accommodating the other 2 magnets and is fixed by a cover plate sealing cover.

8. A pattern coded optical scanning device according to any one of claims 2 to 7, characterized in that: the optical scanner also comprises a battery and a metal probe, a charging disc corresponding to the metal probe is also arranged at the corresponding position of the optical scanner bracket fixedly matched with the optical scanner, and the battery is charged through the conductive matching of the charging disc and the metal probe.

9. A pattern coded optical scanning device according to claim 1, characterized in that: the rotary support comprises a main body shell, at least an electric motor and a driving gear are arranged in the main body shell, the main body shell is provided with a hollow first cylindrical shaft bulge as a main shaft for driving the optical scanner fixing support, and part of the driving gear is exposed in the hollow first cylindrical shaft bulge and is used for being meshed with a gear of the optical scanner fixing support to realize gear transmission driving.

10. A pattern coded optical scanning device according to claim 9, characterized in that: the optical scanner fixing support is also provided with a second cylindrical shaft bulge in the direction facing the first cylindrical shaft bulge, the outer diameter of the second cylindrical shaft bulge is just matched with the inner diameter of the hollow first cylindrical shaft bulge of the rotating support, and the gear is arranged outside the second cylindrical shaft bulge and is used for being meshed with the driving gear of the rotating support.

11. A pattern coded optical scanning device according to claim 10, characterized in that: the gear arranged outside the second cylindrical shaft bulge of the optical scanner fixing bracket is only one arc length, and the other parts are smooth parts.

12. A pattern coded optical scanning device according to claim 10, characterized in that: the center of the first hollow cylindrical shaft bulge of the rotating support is also provided with a shaft sleeve, and the center of the second cylindrical shaft bulge of the optical scanner fixing support is correspondingly provided with a circular shaft which can be inserted into the shaft sleeve.

13. A pattern coded optical scanning device according to claim 1, characterized in that: the optical scanner further comprises a heavy hammer swing piece and a reflection type photoelectric sensor, wherein the heavy hammer swing piece is movably sleeved on the rotating support, the reflection type photoelectric sensor is fixedly arranged on the optical scanner fixing support, and the heavy hammer swing piece and the reflection type photoelectric sensor are matched to realize initial centering positioning on the vertical position.

14. A pattern coded optical scanning device according to claim 12, characterized in that: the optical scanner further comprises a heavy hammer swing piece and a reflection type photoelectric sensor, wherein the heavy hammer swing piece is movably sleeved on the rotating support, the reflection type photoelectric sensor is fixedly arranged on the optical scanner fixing support, and the heavy hammer swing piece and the reflection type photoelectric sensor are matched to realize initial centering positioning on the vertical position.

15. A pattern coded optical scanning device according to claim 14, characterized in that: the weight pendulum piece is movably sleeved on the shaft sleeve at the center of the second cylindrical shaft bulge of the rotating support, and the reflective photoelectric sensor is fixedly arranged inside the second cylindrical shaft bulge of the optical scanner fixing support.

16. The utility model provides a cash registering machine, is including being used for erectting the support at the desktop to and install at least one display screen on this support, its characterized in that: further comprising a pattern coded optical scanning device according to any of the claims 1-15.