CN110164062B - Stable form POS machine with keyboard shelters from function - Google Patents
Stable form POS machine with keyboard shelters from function Download PDFInfo
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- CN110164062B CN110164062B CN201910378576.4A CN201910378576A CN110164062B CN 110164062 B CN110164062 B CN 110164062B CN 201910378576 A CN201910378576 A CN 201910378576A CN 110164062 B CN110164062 B CN 110164062B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/0873—Details of the card reader
- G07F7/088—Details of the card reader the card reader being part of the point of sale [POS] terminal or electronic cash register [ECR] itself
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
- G07F7/1016—Devices or methods for securing the PIN and other transaction-data, e.g. by encryption
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0018—Constructional details, e.g. of drawer, printing means, input means
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/12—Cash registers electronically operated
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- General Physics & Mathematics (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The invention relates to a stable POS machine with a keyboard shielding function, which comprises a main body, a clamping groove, a display screen, a keyboard, a shielding mechanism and four fixing mechanisms, wherein the shielding mechanism comprises a supporting shaft, a baffle and two adjusting components, each adjusting component comprises a fixing plate, an adjusting rod and a fixing unit, each fixing unit comprises a moving plate, a fixing rod, a sliding block and a first spring, each fixing mechanism comprises an air cylinder, a communicating pipe and a sucker, an air pumping component is arranged in each air cylinder, one side of each air cylinder is provided with an air outlet, each air pumping component comprises an electromagnet, an iron block, a piston and two second springs, the stable POS machine with the keyboard shielding function can drive the baffle to move through the adjusting mechanisms, so that the baffle blocks the keyboard, the password leakage is avoided, the safety of equipment is improved, and the fixing of the main body and a desktop can be realized through the fixing, the damage of the equipment caused by mistaken collision and falling is avoided.
Description
Technical Field
The invention relates to the field of online payment, in particular to a stable POS machine with a keyboard shielding function.
Background
The online payment is a form of electronic payment, which is an instant payment mode through a payment interface provided by a third party and a bank, and the mode has the advantages that funds can be directly transferred from a bank card of a user to a website account, and remittance is immediately realized without manual confirmation. The client and the merchant can carry out online payment by adopting various electronic payment modes such as credit cards, electronic wallets, electronic checks, electronic cash and the like, and the expenditure of transactions is saved by adopting the online electronic payment mode. The POS machine is a means of online payment, the POS machine is a multifunctional terminal, the POS machine is installed in a special merchant and an acceptance network of a credit card and is connected with a computer to form a network, automatic electronic fund transfer can be realized, the POS machine has the functions of supporting consumption, pre-authorization, balance inquiry, transfer and the like, and the POS machine is safe, quick and reliable to use.
The existing POS machine is generally directly placed on a desktop, and is not provided with a fixing device, so that the POS machine is easy to damage due to mistaken falling, the probability of damage is increased, the safety of equipment is reduced, and moreover, a keyboard of the existing POS machine is not provided with a shielding object, so that a password is easy to leak when a user inputs the password, and the safety of the equipment is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the stable POS machine with the keyboard shielding function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a stable POS machine with a keyboard shielding function comprises a main body, a clamping groove, a display screen, a keyboard, a shielding mechanism and four fixing mechanisms, wherein the display screen and the keyboard are fixed on the main body, the display screen is arranged above the keyboard, the clamping groove is arranged on one side of the main body, the main body is internally provided with a PLC (programmable logic controller), the shielding mechanism is arranged on one side of the main body close to the keyboard, and the four fixing mechanisms are respectively arranged at four corners in the main body;
the shielding mechanism comprises a supporting shaft, a baffle and two adjusting components, one end of the supporting shaft is fixedly connected with one side, close to the keyboard, of the main body, the supporting shaft is arranged between the display screen and the keyboard, the other end of the supporting shaft is hinged to one side of the baffle, the two adjusting components are respectively arranged on two sides of the keyboard, and the adjusting components are connected with the baffle;
the adjusting assembly comprises a fixing plate, an adjusting rod and a fixing unit, the fixing plate is fixed on one side of the main body close to the keyboard, notches are formed in two ends of the fixing plate, and the fixing unit is arranged on one side of the fixing plate far away from the main body;
the fixed unit comprises a movable plate, a fixed rod, a sliding block and a first spring, the sliding block is abutted against one side, far away from the main body, of the fixed plate, a through hole is formed in the sliding block, one end of the fixed rod is fixedly connected with the movable plate, the other end of the fixed rod penetrates through the through hole and is arranged inside one of the notches, the other end of the fixed rod is matched with the notch, the first spring is arranged between the sliding block and the movable plate, two ends of the first spring are respectively connected with the sliding block and the movable plate, the first spring is in a stretching state, and two ends of the adjusting rod are respectively hinged with the baffle and the;
the keyboard is characterized in that four small holes are formed in one side, away from the keyboard, of the main body, the small holes correspond to the fixing mechanisms one to one, each fixing mechanism comprises an air cylinder, a communicating pipe and a sucking disc, the air cylinder is fixed on the inner wall of one side, close to the small holes, of the main body, the sucking discs are fixed on one side, close to the small holes, of the main body, the communicating pipes are fixed in the small holes, the air cylinder is communicated with the sucking discs through the communicating pipes, an air exhaust assembly is arranged in the;
the subassembly of bleeding includes electro-magnet, iron plate, piston and two second springs, the electro-magnet is fixed on the inner wall of the one side of keeping away from communicating pipe of inflator, the piston sets up in the inflator, piston and inflator sealing connection, the one side of keeping away from communicating pipe at the piston is fixed to the iron plate, the electro-magnet is just to setting up with the iron plate, the both ends of second spring are connected with inner wall and the piston of one side of being close to communicating pipe of inflator respectively, the electro-magnet is connected with the PLC electricity.
Preferably, in order to limit the moving direction of the sliding block, the fixing unit further comprises a support, the vertical section of the support is U-shaped, two ends of the support are fixedly connected with one side, close to the keyboard, of the main body, a through hole is formed in the sliding block, the through hole is perpendicular to the through hole, the support penetrates through the through hole, and the support and the through hole are coaxially arranged.
Preferably, in order to avoid the rotation of the sliding block when the sliding block moves on the bracket, a protruding block is arranged at the through hole of the sliding block, a sliding groove is arranged on the bracket, the protruding block is arranged in the sliding groove, and the protruding block is in sliding connection with the sliding groove.
Preferably, in order to facilitate the fixing rod to be inserted into the recess, an end of the fixing rod remote from the moving plate is formed in a hemispherical shape.
Preferably, in order to achieve the function of dust prevention, sealing plates are fixed on both sides of the baffle and on the side of the baffle away from the supporting shaft.
Preferably, in order to facilitate driving the moving plate to move, the fixing unit further comprises pull plates, one ends of the pull plates are fixedly connected with one sides of the moving plate, which are far away from the keyboard, and the distance between the other ends of the two pull plates is greater than the width of the baffle.
Preferably, the piston is provided with a one-way valve for one-way air flow.
Preferably, in order to detect the pressure in the sucker, an air pressure sensor is arranged in the communicating pipe and is electrically connected with the PLC.
Preferably, in order to restrict the moving direction of the piston, the inflator is further provided with two guide assemblies, the two guide assemblies are respectively arranged at two ends of the piston, which are far away from one side of the communicating pipe, each guide assembly comprises a guide rod and a limiting ring, the two limiting rings are respectively fixedly connected with the inner walls of two sides of the inflator, one ends of the two guide rods are respectively fixedly connected with two ends of the piston, the other ends of the guide rods penetrate through the limiting rings, and the guide rods are slidably connected with the limiting rings.
Preferably, in order to avoid the separation of the guide rod and the limiting ring, the guide assembly further comprises a limiting block, and one end of the guide rod, which is far away from the piston, is fixedly connected with the limiting block.
The stable POS machine with the keyboard shielding function has the advantages that the adjusting mechanism can drive the baffle to move to enable the baffle to shield the keyboard, so that a password is prevented from being leaked, and the safety of equipment is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a stable POS machine with keyboard shielding function according to the present invention;
FIG. 2 is a side view of the stabilized POS machine with keyboard shielding function of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of the connection structure between the slider and the bracket of the stable POS machine with keyboard shielding function according to the present invention;
FIG. 5 is a schematic structural diagram of a fixing mechanism of the stable POS machine with keyboard shielding function according to the present invention;
in the figure: 1. the portable electronic device comprises a main body, 2. a clamping groove, 3. a display screen, 4. a keyboard, 5. a supporting shaft, 6. a baffle, 7. a fixing plate, 8. an adjusting rod, 9. a moving plate, 10. a fixing rod, 11. a first spring, 12. a sliding block, 13. a bracket, 14. a pulling plate, 15. a sealing plate, 16. a sucker, 17. a communicating pipe, 18. an air cylinder, 19. an electromagnet, 20. an iron block, 21. a piston, 22. a second spring, 23. a limiting ring, 24. a guide rod, 25. a limiting block, 26. a one-way valve, 27. an air pressure sensor and 28. a bump.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a stable POS machine with a keyboard shielding function includes a main body 1, a card slot 2, a display screen 3 and a keyboard 4, where the display screen 3 and the keyboard 4 are both fixed on the main body 1, the display screen 3 is disposed above the keyboard 4, the card slot 2 is disposed on one side of the main body 1, a PLC is disposed in the main body 1, the stable POS machine further includes a shielding mechanism and four fixing mechanisms, the shielding mechanism is disposed on one side of the main body 1 close to the keyboard 4, and the four fixing mechanisms are respectively disposed at four corners in the main body 1;
a PLC, i.e., a programmable logic controller, which employs a programmable memory for storing therein a program, executing instructions for user-oriented operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controlling various types of machines or production processes through digital or analog input/output, is essentially a computer dedicated for industrial control, has a hardware structure substantially the same as that of a microcomputer, and is generally used for data processing and instruction reception and output for realizing central control.
This stable form POS machine with keyboard shelters from function passes through adjustment mechanism, can drive baffle 6 and remove for baffle 6 blocks keyboard 4, avoids the password to reveal, has improved the security of equipment, through fixed establishment, can realize the fixed of main part 1 and desktop, avoids equipment to bump because of the mistake and drop the damage.
As shown in fig. 2-3, the shielding mechanism includes a supporting shaft 5, a baffle 6 and two adjusting components, one end of the supporting shaft 5 is fixedly connected with one side of the main body 1 close to the keyboard 4, the supporting shaft 5 is arranged between the display screen 3 and the keyboard 4, the other end of the supporting shaft 5 is hinged with one side of the baffle 6, the two adjusting components are respectively arranged at two sides of the keyboard 4, and the adjusting components are connected with the baffle 6;
the adjusting assembly comprises a fixing plate 7, an adjusting rod 8 and a fixing unit, the fixing plate 7 is fixed on one side of the main body 1 close to the keyboard 4, notches are formed in two ends of the fixing plate 7, and the fixing unit is arranged on one side of the fixing plate 7 far away from the main body 1;
the fixing unit comprises a moving plate 9, a fixing rod 10, a sliding block 12 and a first spring 11, the sliding block 12 is abutted against one side, far away from the main body 1, of the fixing plate 7, a through hole is formed in the sliding block 12, one end of the fixing rod 10 is fixedly connected with the moving plate 9, the other end of the fixing rod 10 penetrates through the through hole and is arranged in one of the notches, the other end of the fixing rod 10 is matched with the notch, the first spring 11 is arranged between the sliding block 12 and the moving plate 9, two ends of the first spring 11 are respectively connected with the sliding block 12 and the moving plate 9, the first spring 11 is in a stretching state, and two ends of the adjusting rod 8 are respectively hinged to the baffle 6 and the sliding;
when adjusting the during operation, the people is for driving movable plate 9 and to keeping away from the direction removal of slider 12, drive dead lever 10 and to keeping away from the direction removal of notch, tensile first spring 11 simultaneously, make dead lever 10 break away from with the notch, convenient to use person drives slider 12 and removes, drive baffle 6 through adjusting pole 8 again and rotate, make keyboard 4 expose, be convenient for press keyboard 4, shelter from through baffle 6, avoid the password to reveal, the security of equipment has been improved, when slider 12 removes to another notch department, the user releases movable plate 9, restoring force through first spring 11, drive movable plate 9 and to the direction removal that is close to slider 12, make dead lever 10 imbed in the notch, thereby realize fixed slider 12's function.
As shown in fig. 5, four small holes are formed in one side of the main body 1 away from the keyboard 4, the small holes correspond to the fixing mechanisms one by one, each fixing mechanism comprises an air cylinder 18, a communicating pipe 17 and a suction cup 16, the air cylinder 18 is fixed on the inner wall of the main body 1 close to one side of the small holes, the suction cup 16 is fixed on one side of the main body 1 close to one side of the small holes, the communicating pipe 17 is fixed in the small holes, the air cylinder 18 is communicated with the suction cup 16 through the communicating pipe 17, a suction assembly is arranged in the air cylinder 18, and an air outlet is formed in;
the air exhaust assembly comprises an electromagnet 19, an iron block 20, a piston 21 and two second springs 22, the electromagnet 19 is fixed on the inner wall of one side of the air cylinder 18 far away from the communicating pipe 17, the piston 21 is arranged in the air cylinder 18, the piston 21 is connected with the air cylinder 18 in a sealing mode, the iron block 20 is fixed on one side of the piston 21 far away from the communicating pipe 17, the electromagnet 19 is just opposite to the iron block 20, two ends of the second springs 22 are respectively connected with the inner wall of one side, close to the communicating pipe 17, of the air cylinder 18 and the piston 21, and the electromagnet 19 is electrically connected with the PLC.
When the fixing operation is carried out, a user places the device on a table top, so that the suction cup 16 is abutted against the table top, the PLC controls the electromagnet 19 to be electrified to generate a force which is absorbed with the iron block 20, the piston 21 is driven to move towards the direction close to the electromagnet 19, meanwhile, the second spring 22 is stretched, the electromagnet 19 is controlled to be powered off, the iron block 20 is not attracted any more, the piston 21 is driven to move towards the direction far away from the electromagnet 19 through the restoring force of the second spring 22, the piston 21 reciprocates in the air cylinder 18, air in the suction cup 16 is discharged through the check valve 26 on the piston 21, the suction cup 16 is attached to the table top, and the function of fixing the device is realized.
Preferably, in order to limit the moving direction of the sliding block 12, the fixing unit further includes a bracket 13, a vertical cross section of the bracket 13 is U-shaped, two ends of the bracket 13 are both fixedly connected with one side of the main body 1 close to the keyboard 4, a through hole is arranged on the sliding block 12, the through hole is perpendicular to the through hole, the bracket 13 penetrates through the through hole, and the bracket 13 and the through hole are coaxially arranged.
By arranging the bracket 13, the moving direction of the sliding block 12 is limited, and the distance between the sliding block 12 and the fixed plate 7 is also limited, so that the sliding block 12 is more stable when moving.
As shown in fig. 4, a protruding block 28 is disposed at the through hole of the sliding block 12, a sliding slot is disposed on the bracket 13, the protruding block 28 is disposed in the sliding slot, and the protruding block 28 is slidably connected with the sliding slot.
When the sliding block 12 moves on the bracket 13, the protrusion 28 is driven to move in the sliding groove, so that the sliding block 12 is prevented from rotating when moving on the bracket 13, and the sliding block 12 is more stable when moving on the bracket 13.
Preferably, in order to facilitate the insertion of the fixing rod 10 into the recess, an end of the fixing rod 10 remote from the moving plate 9 is shaped like a hemisphere.
Preferably, in order to achieve the function of dust prevention, sealing plates 15 are fixed to both sides of the baffle 6 and a side of the baffle 6 away from the support shaft 5.
Through setting up sealing plate 15, when equipment was idle, sealing plate 15 leaned on with one side of being close to keyboard 4 of main part 1 for keyboard 4 is sealed up, avoids the dust to get into the adhesion on keyboard 4, influences the cleanliness of keyboard 4.
Preferably, in order to facilitate the moving plate 9 to move, the fixed unit further includes a pulling plate 14, one end of the pulling plate 14 is fixedly connected to one side of the moving plate 9 away from the keyboard 4, and a distance between the other ends of the two pulling plates 14 is greater than a width of the baffle 6.
Preferably, the piston 21 is provided with a check valve 26 for one-way air flow.
Preferably, in order to detect the pressure inside the suction cup 16, an air pressure sensor 27 is arranged inside the communication pipe 17, and the air pressure sensor 27 is electrically connected with the PLC.
The pressure sensor 27 is used for detecting the pressure in the sucker 16, and when the detection value exceeds the set value, the air exhaust assembly is controlled to work, so that the pressure in the sucker 16 is reduced, and the phenomenon that the sucker 16 is separated from a desktop to influence the fixing effect of the equipment is avoided.
Preferably, in order to limit the moving direction of the piston 21, two guide assemblies are further arranged in the cylinder 18, the two guide assemblies are respectively arranged at two ends of one side of the piston 21, which is far away from the communicating pipe 17, the guide assemblies comprise guide rods 24 and limiting rings 23, the two limiting rings 23 are respectively and fixedly connected with the inner walls of two sides of the cylinder 18, one ends of the two guide rods 24 are respectively and fixedly connected with two ends of the piston 21, the other ends of the guide rods 24 penetrate through the limiting rings 23, and the guide rods 24 are slidably connected with the limiting rings 23.
When the piston 21 moves, the guide rod 24 is driven to move in the limit ring 23, so that the moving direction of the piston 21 is limited, and the piston 21 moves more stably.
Preferably, in order to avoid the separation of the guide rod 24 from the stop ring 23, the guide assembly further includes a stop block 25, and one end of the guide rod 24, which is far away from the piston 21, is fixedly connected with the stop block 25.
Through setting up stopper 25, avoid guide bar 24 and spacing ring 23 to break away from, influence the direction effect.
When adjusting the during operation, the people is for driving movable plate 9 and to keeping away from the direction removal of slider 12, drive dead lever 10 and to keeping away from the direction removal of notch, tensile first spring 11 simultaneously, make dead lever 10 break away from with the notch, convenient to use person drives slider 12 and removes, drive baffle 6 through adjusting pole 8 again and rotate, make keyboard 4 expose, be convenient for press keyboard 4, shelter from through baffle 6, avoid the password to reveal, the security of equipment has been improved, when slider 12 removes to another notch department, the user releases movable plate 9, restoring force through first spring 11, drive movable plate 9 and to the direction removal that is close to slider 12, make dead lever 10 imbed in the notch, thereby realize fixed slider 12's function. When the fixing operation is carried out, a user places the device on a table top, so that the suction cup 16 is abutted against the table top, the PLC controls the electromagnet 19 to be electrified to generate a force which is absorbed with the iron block 20, the piston 21 is driven to move towards the direction close to the electromagnet 19, meanwhile, the second spring 22 is stretched, the electromagnet 19 is controlled to be powered off, the iron block 20 is not attracted any more, the piston 21 is driven to move towards the direction far away from the electromagnet 19 through the restoring force of the second spring 22, the piston 21 reciprocates in the air cylinder 18, air in the suction cup 16 is discharged through the check valve 26 on the piston 21, the suction cup 16 is attached to the table top, and the function of fixing the device is realized.
Compared with the prior art, this stable form POS machine that has keyboard and shelter from function passes through adjustment mechanism, can drive baffle 6 and remove, make baffle 6 block keyboard 4, avoid the password to reveal, the security of equipment has been improved, compare with current adjustment mechanism, this adjustment mechanism is when equipment is idle, keyboard 4 can be sealed, avoid the dust adhesion on keyboard 4, influence the cleanness of keyboard 4, through fixed establishment, can realize the fixed of main part 1 and desktop, avoid equipment to bump because of the mistake and drop and damage, compare with current fixed establishment, pressure in sucking disc 16 can be guaranteed in real time to this fixed establishment, the stability of equipment has been improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The stable POS machine with the keyboard shielding function comprises a main body (1), a clamping groove (2), a display screen (3) and a keyboard (4), wherein the display screen (3) and the keyboard (4) are fixed on the main body (1), the display screen (3) is arranged above the keyboard (4), the clamping groove (2) is arranged on one side of the main body (1), and a PLC is arranged in the main body (1), and the stable POS machine is characterized by further comprising a shielding mechanism and four fixing mechanisms, wherein the shielding mechanism is arranged on one side, close to the keyboard (4), of the main body (1), and the four fixing mechanisms are respectively arranged at four corners in the main body (1);
the shielding mechanism comprises a supporting shaft (5), a baffle (6) and two adjusting components, one end of the supporting shaft (5) is fixedly connected with one side, close to the keyboard (4), of the main body (1), the supporting shaft (5) is arranged between the display screen (3) and the keyboard (4), the other end of the supporting shaft (5) is hinged with one side of the baffle (6), the two adjusting components are respectively arranged on two sides of the keyboard (4), and the adjusting components are connected with the baffle (6);
the adjusting assembly comprises a fixing plate (7), an adjusting rod (8) and a fixing unit, the fixing plate (7) is fixed on one side, close to the keyboard (4), of the main body (1), notches are formed in two ends of the fixing plate (7), and the fixing unit is arranged on one side, far away from the main body (1), of the fixing plate (7);
the fixing unit comprises a moving plate (9), a fixing rod (10), a sliding block (12) and a first spring (11), the sliding block (12) is abutted to one side, far away from the main body (1), of the fixing plate (7), a through hole is formed in the sliding block (12), one end of the fixing rod (10) is fixedly connected with the moving plate (9), the other end of the fixing rod (10) penetrates through the through hole to be arranged inside one notch, the other end of the fixing rod (10) is matched with the notch, the first spring (11) is arranged between the sliding block (12) and the moving plate (9), two ends of the first spring (11) are respectively connected with the sliding block (12) and the moving plate (9), the first spring (11) is in a stretching state, and two ends of the adjusting rod (8) are respectively hinged to the baffle plate (6) and the sliding block (12);
the keyboard is characterized in that four small holes are formed in one side, far away from the keyboard (4), of the main body (1), the small holes correspond to the fixing mechanisms one to one, each fixing mechanism comprises an air cylinder (18), a communicating pipe (17) and a sucking disc (16), the air cylinder (18) is fixed on the inner wall of one side, close to the small holes, of the main body (1), the sucking discs (16) are fixed on one side, close to the small holes, of the main body (1), the communicating pipes (17) are fixed in the small holes, the air cylinder (18) is communicated with the sucking discs (16) through the communicating pipes (17), an air suction assembly is arranged in the air cylinder (18), and an air outlet is;
the air extraction assembly comprises an electromagnet (19), an iron block (20), a piston (21) and two second springs (22), the electromagnet (19) is fixed on the inner wall of one side, far away from the communicating pipe (17), of the air cylinder (18), the piston (21) is arranged in the air cylinder (18), the piston (21) is in sealing connection with the air cylinder (18), the iron block (20) is fixed on one side, far away from the communicating pipe (17), of the piston (21), the electromagnet (19) is arranged opposite to the iron block (20), two ends of each second spring (22) are respectively connected with the inner wall of one side, close to the communicating pipe (17), of the air cylinder (18) and the piston (21), and the electromagnet (19) is electrically connected with the PLC;
the fixing unit further comprises a support (13), the vertical section of the support (13) is U-shaped, two ends of the support (13) are fixedly connected with one side, close to the keyboard (4), of the main body (1), a through hole is formed in the sliding block (12), the through hole is perpendicular to the through hole, the support (13) penetrates through the through hole, and the support (13) and the through hole are coaxially arranged;
a protruding block (28) is arranged at the perforated part of the sliding block (12), a sliding groove is arranged on the support (13), the protruding block (28) is arranged in the sliding groove, and the protruding block (28) is in sliding connection with the sliding groove;
the fixing unit further comprises pull plates (14), one ends of the pull plates (14) are fixedly connected with one side, far away from the keyboard (4), of the moving plate (9), and the distance between the other ends of the two pull plates (14) is larger than the width of the baffle (6).
2. The stabilized POS machine with keyboard shielding function according to claim 1, wherein the end of the fixed rod (10) far away from the movable plate (9) is shaped like a hemisphere.
3. The stabilized POS machine with keyboard shielding function according to claim 1, wherein sealing plates (15) are fixed to both sides of the barrier (6) and the side of the barrier (6) away from the supporting shaft (5).
4. The keyboard-blinded stable POS machine according to claim 1, wherein the piston (21) is provided with a check valve (26).
5. The stable POS machine with the keyboard shielding function according to claim 1, wherein an air pressure sensor (27) is arranged in the communication pipe (17), and the air pressure sensor (27) is electrically connected with the PLC.
6. The stable POS machine with the keyboard shielding function according to claim 1, wherein two guiding components are further arranged in the air cylinder (18), the two guiding components are respectively arranged at two ends of one side of the piston (21) far away from the communicating pipe (17), the guiding components comprise a guiding rod (24) and a limiting ring (23), the two limiting rings (23) are respectively fixedly connected with the inner walls of two sides of the air cylinder (18), one ends of the two guiding rods (24) are respectively fixedly connected with two ends of the piston (21), the other end of the guiding rod (24) penetrates through the limiting ring (23), and the guiding rod (24) is slidably connected with the limiting ring (23).
7. The stable POS machine with the keyboard shielding function according to claim 6, wherein the guiding component further comprises a limiting block (25), and one end of the guiding rod (24) far away from the piston (21) is fixedly connected with the limiting block (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910378576.4A CN110164062B (en) | 2019-05-08 | 2019-05-08 | Stable form POS machine with keyboard shelters from function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910378576.4A CN110164062B (en) | 2019-05-08 | 2019-05-08 | Stable form POS machine with keyboard shelters from function |
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| Publication Number | Publication Date |
|---|---|
| CN110164062A CN110164062A (en) | 2019-08-23 |
| CN110164062B true CN110164062B (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910378576.4A Active CN110164062B (en) | 2019-05-08 | 2019-05-08 | Stable form POS machine with keyboard shelters from function |
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|---|---|---|---|---|
| CN111124049B (en) * | 2019-12-25 | 2021-08-03 | 南京兰林智慧建筑科技有限公司 | Portable property management equipment based on Internet of things |
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| CN110164062A (en) | 2019-08-23 |
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