CN110580422A - RFID handheld terminal device - Google Patents
RFID handheld terminal device Download PDFInfo
- Publication number
- CN110580422A CN110580422A CN201910857798.4A CN201910857798A CN110580422A CN 110580422 A CN110580422 A CN 110580422A CN 201910857798 A CN201910857798 A CN 201910857798A CN 110580422 A CN110580422 A CN 110580422A
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- glass
- main body
- screw
- fixed
- terminal device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10881—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to an RFID (radio frequency identification) handheld terminal device, which comprises a main body, a handle, a display screen, a code scanner and glass, wherein the main body is cuboid, the display screen is arranged at the top of the main body, the handle is arranged at the bottom of the main body, one side of the main body is provided with an opening, the glass is matched with the opening and is arranged in the opening, the glass is cylindrical, the axis of the glass is vertical to the plane of the side of the main body, which is provided with the opening, the glass is in sliding and sealing connection with the inner wall of the opening, the code scanner is positioned in the main body, the main body is arranged opposite to the glass, an execution system is arranged in the main body, a heat dissipation mechanism and a cleaning mechanism are arranged in the main body, the RFID handheld terminal device realizes the circulation of air in the main body through the heat dissipation mechanism, so that the heat dissipation effect is improved, and the cleaning of dust on the, avoid the dust influence to sweep a yard precision.
Description
Technical Field
The invention relates to the field of RFID (radio frequency identification) handheld terminals, in particular to an RFID handheld terminal device.
Background
the RFID hand-held terminal utilizes a wireless radio frequency signal to identify an object and utilizes the electromagnetic coupling principle to exchange information, compared with the traditional identification technology, the RFID technology has the characteristic that a card reader is not in contact with a radio frequency label, and due to the advantages of the RFID technology, the RFID hand-held terminal is widely applied to the fields of identity identification, electronic commerce, industrial automation, transportation and the like.
When the existing RFID handheld terminal executes a code scanning task, dust is easily stained on protective glass of the existing RFID handheld terminal, the dust can influence the accuracy of code scanning of the existing RFID handheld terminal, the practicability is reduced, and moreover, after the RFID handheld terminal belongs to an electronic product and is used for a long time, the inside of the RFID handheld terminal can generate large heat, and the service life of the RFID handheld terminal can be shortened when the RFID handheld terminal is in a high-temperature environment for a long time.
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, an RFID handheld terminal device is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: an RFID handheld terminal device comprises a main body, a handle, a display screen, a code scanner and glass, wherein the main body is cuboid, the display screen is arranged at the top of the main body, the handle is arranged at the bottom of the main body, an opening is formed in one side of the main body, the glass is matched with the opening, the glass is arranged in the opening, the glass is cylindrical, the axis of the glass is perpendicular to the plane of the side, provided with the opening, of the main body, the glass is in sliding and sealing connection with the inner wall of the opening, the code scanner is positioned in the main body, the main body is opposite to the glass, an execution system is arranged in the main body, a heat dissipation mechanism and a cleaning mechanism are arranged in the main body, and a heat dissipation assembly is positioned on the side, far away from the glass, of the code;
The heat dissipation mechanism comprises a lead screw, a fan blade, a transmission assembly, two rotating shafts and two connecting bearings, wherein a connecting hole is formed in one side, away from the opening, of the main body, at least two air holes are formed in one side, away from the opening, of the main body, the air holes are circumferentially and uniformly distributed by taking the axis of glass as the center, filter screens are arranged in the air holes and the connecting holes, the lead screw and the rotating shafts are coaxially arranged with the glass, the two rotating shafts are respectively fixed at two ends of the lead screw, the connecting bearings correspond to the rotating shafts one by one, inner rings of the connecting bearings are installed on the rotating shafts, outer rings of the connecting bearings are fixed on the inner wall of the main body, the fan blade is installed on the rotating shaft away from the glass, the fan blade is located in the connecting;
Clean mechanism is located between being close to glass's axis of rotation and the bar code scanner, clean mechanism includes rolling disc, fixed disk, three transfer line and three fixed subassembly, the rolling disc is installed in the one end of keeping away from the lead screw that is close to glass's axis of rotation, the fixed disk is located between rolling disc and the bar code scanner, the fixed disk sets up with the rolling disc is coaxial, the bar code scanner is fixed on the fixed disk, the transfer line is parallel with the lead screw, the axis that the transfer line used the lead screw is central circumference evenly distributed between glass and rolling disc, glass passes through connecting rod and rolling disc fixed connection, fixed subassembly and transfer line one-to-one, the fixed disk passes through drive assembly and is connected with the rolling disc.
preferably, in order to realize the rotation of the screw rod, the transmission assembly comprises a ball screw bearing and three guide units, an external thread is arranged on the screw rod, an inner ring of the ball screw bearing is matched with the external thread, the inner ring of the ball screw bearing is arranged on the screw rod, the guide units are in one-to-one correspondence with the transmission rods, the guide units are arranged on an outer ring of the ball screw bearing, and the guide units drive the outer ring of the ball screw bearing to move along the axis of the screw rod.
preferably, in order to realize the movement of the ball screw bearing, the guide unit comprises a sliding block and a sliding rod, the sliding rod is parallel to the screw rod, two ends of the sliding rod are respectively fixed on the inner walls of two sides of the main body, the sliding block is sleeved on the sliding rod, and the sliding block is fixedly connected with the outer ring of the ball screw bearing.
As preferred, in order to realize that fixed plate and main part keep relative quiescent position relation, fixed subassembly includes connecting block, magnet piece, connecting rod and ball, the one side that is close to glass of rolling disc is equipped with the ring channel, the ring channel sets up with the lead screw is coaxial, the centre of sphere of ball sets up in the ring channel, ball and ring channel match and sliding connection, the footpath of ball is greater than the notch width of ring channel, the ball passes through connecting rod and fixed disk fixed connection, the periphery at the fixed disk is fixed to the connecting block, the magnet piece is fixed in the one side that is close to the lead screw axis of slide bar, the magnet piece just sets up with the connecting block, the transfer line is located between connecting block and the magnet piece, the preparation material of connecting block is iron.
Preferably, in order to reduce the frictional force between the balls and the inner wall of the annular groove, the annular groove is internally coated with a lubricating oil.
Preferably, in order to improve the endurance, a power generation unit is provided in the main body, the power generation unit includes a driving gear mounted on the rotation shaft near the glass, a driven gear engaged with the driving gear, and a power generator mounted on the power generator fixed on the inner wall of the main body.
Preferably, the number of teeth of the driving gear is larger than that of the driven gear in order to increase the power generation amount.
Preferably, in order to reduce the gap between the glass and the inner wall of the opening, the inner wall of the opening is coated with a sealing grease.
Preferably, in order to prolong the service life of the rotating disc, the rotating disc is provided with an anti-corrosion zinc coating.
Preferably, the handle is provided with anti-slip threads to avoid slipping.
The RFID handheld terminal device has the advantages that the circulation of air in the main body is achieved through the heat dissipation mechanism, so that the heat dissipation effect is improved, compared with the existing heat dissipation mechanism, the heat dissipation mechanism is not required to be driven by electric power, the heat dissipation mechanism is more environment-friendly and energy-saving, in addition, the dust on glass is removed through the cleaning mechanism, the dust is prevented from influencing the code scanning precision, compared with the existing cleaning mechanism, the cleaning mechanism is ingenious in structure, the dust is removed through a centrifugal force mode, the structure is more ingenious, meanwhile, the power generation can be achieved, and the cruising ability is stronger.
Drawings
the invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the structure of an RFID hand-held terminal device of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic diagram of the cleaning mechanism of the RFID hand held terminal device of the present invention;
FIG. 4 is a schematic structural view of a transmission assembly of the RFID hand-held terminal device of the present invention;
In the figure: 1. the magnetic type electric generator comprises a main body, a handle, a display screen, a code scanner, a glass, a screw rod, a fan blade, a rotating shaft, a connecting bearing, a rotating disc, a fixed disc, a transmission rod, a ball screw bearing, a sliding block, a sliding rod, a connecting block, a magnet block, a connecting rod, a ball, a driving gear, a driven gear and a generator, wherein the handle is 2, the display screen is 3, the code scanner is 4, the glass is 5, the screw rod is 6, the fan blade is 7, the rotating shaft is 8, the connecting bearing is 9, the rotating disc.
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. 1-2, an RFID hand-held terminal device includes a main body 1, a handle 2, a display 3, a scanner 4 and a glass 5, the main body 1 is cuboid, the display screen 3 is arranged at the top of the main body 1, the handle 2 is arranged at the bottom of the main body 1, an opening is arranged on one side of the main body 1, the glass 5 is matched with the opening, the glass 5 is arranged in the opening, the glass 5 is cylindrical, the axis of the glass 5 is vertical to the plane of the side of the main body 1 provided with the opening, the glass 5 is connected with the inner wall of the opening in a sliding and sealing way, the code scanner 4 is positioned in the main body 1, the main body 1 is arranged opposite to the glass 5, an execution system is arranged in the main body 1, a heat dissipation mechanism and a cleaning mechanism are arranged in the main body 1, and the heat dissipation assembly is positioned on one side, far away from the glass 5, of the code scanner 4;
The heat dissipation mechanism comprises a screw rod 6, fan blades 7, a transmission assembly, two rotating shafts 8 and two connecting bearings 9, a connecting hole is arranged on one side of the main body 1 far away from the opening, at least two air holes are arranged on one side of the main body 1 provided with the opening, the air holes are circumferentially and uniformly distributed by taking the axis of the glass 5 as the center, filter screens are arranged in the air holes and the connecting holes, the screw rod 6 and the rotating shafts 8 are arranged coaxially with the glass 5, the two rotating shafts 8 are respectively fixed at two ends of the screw rod 6, the connecting bearings 9 correspond to the rotating shaft 8 one by one, the inner rings of the connecting bearings 9 are arranged on the rotating shaft 8, the outer ring of the connecting bearing 9 is fixed on the inner wall of the main body 1, the fan blade 7 is arranged on a rotating shaft 8 far away from the glass 5, the fan blades 7 are positioned in the connecting holes, the transmission assembly is arranged on the screw rod 6, and the transmission assembly is in transmission connection with the screw rod 6;
the user holds handle 2, sweep the sign indicating number through the realization of bar code scanner 4, and will sweep code data transmission to execution system and carry out data analysis, in the meantime, the user holds handle 2 and produces when rocking, make transmission assembly drive lead screw 6 rotate, thereby make axis of rotation 8 realize rotating under the supporting role of connecting bearing 9, the rotation of axis of rotation 8 drives flabellum 7 and rotates, thereby make the air in main part 1 realize the circulation through gas pocket and connecting hole, thereby the heat discharge in with main part 1 through the flow of air, realize the heat dissipation.
As shown in fig. 3, the cleaning mechanism is located between the rotating shaft 8 and the code scanner 4 close to the glass 5, the cleaning mechanism comprises a rotating disc 10, a fixed disc 11, three transmission rods 12 and three fixing components, the rotating disc 10 is installed at one end, far away from the screw rod 6, of the rotating shaft 8 close to the glass 5, the fixed disc 11 is located between the rotating disc 10 and the code scanner 4, the fixed disc 11 and the rotating disc 10 are coaxially arranged, the code scanner 4 is fixed on the fixed disc 11, the transmission rods 12 are parallel to the screw rod 6, the transmission rods 12 are circumferentially and uniformly distributed between the glass 5 and the rotating disc 10 by taking the axis of the screw rod 6 as the center, the glass 5 is fixedly connected with the rotating disc 10 through a connecting rod 18, the fixing components are in one-to-one correspondence with the transmission rods 12, and the fixed disc 11 is.
The rotation of axis of rotation 8 drives the rolling disc 10 and rotates, and the rotation of rolling disc 10 passes through transfer line 12 and drives glass 5 at the opening internal rotation to make the dust on the glass 5 separate with glass 5 under the effect of centrifugal force, realized the function of cleaing away the dust, during, fixed disk 11 keeps relative static position relation through fixed subassembly and main part 1, avoids the rotation operation bar code collector 4 of rolling disc 10 to sweep the sign indicating number.
as shown in fig. 4, the transmission assembly includes a ball 19 screw bearing 13 and three guiding units, an external thread is provided on the screw rod 6, an inner ring of the ball 19 screw bearing 13 is matched with the external thread, an inner ring of the ball 19 screw bearing 13 is installed on the screw rod 6, the guiding units are in one-to-one correspondence with the transmission rods 12, the guiding units are provided on an outer ring of the ball 19 screw bearing 13, and the guiding units drive the outer ring of the ball 19 screw bearing 13 to move along the axis of the screw rod 6.
The ball 19 screw support is a bearing for converting rotary motion into linear motion or converting linear motion into rotary motion, and the outer ring of the ball 19 screw bearing 13 is driven by the guide unit to move along the axial direction of the screw 6, so that the screw 6 is rotated.
Preferably, in order to realize the movement of the ball 19 screw bearing 13, the guiding unit comprises a sliding block 14 and a sliding rod 15, the sliding rod 15 is parallel to the screw 6, two ends of the sliding rod 15 are respectively fixed on the inner walls of two sides of the main body 1, the sliding block 14 is sleeved on the sliding rod 15, and the sliding block 14 is fixedly connected with the outer ring of the ball 19 screw bearing 13.
Through the shaking of the main body 1, the sliding block 14 moves on the sliding rod 15 under the action of inertia, the movement of the sliding block 14 drives the outer ring of the ball 19 screw bearing 13 to move, and the function of driving the ball 19 screw bearing 13 to move is realized.
Preferably, in order to realize that the fixing plate and the main body 1 keep a relatively static position relationship, the fixing assembly comprises a connecting block 16, a magnet block 17, a connecting rod 18 and balls 19, an annular groove is formed in one side of the rotating disc 10, which is close to the glass 5, and is coaxial with the screw rod 6, the center of the ball 19 is arranged in the annular groove, the balls 19 are matched with the annular groove and are in sliding connection, the sphere diameter of the balls 19 is larger than the width of the groove openings of the annular groove, the balls 19 are fixedly connected with the fixed disc 11 through the connecting rod 18, the connecting block 16 is fixed on the periphery of the fixed disc 11, the magnet block 17 is fixed on one side of the sliding rod 15, which is close to the axis of the screw rod 6, the magnet block 17 is arranged opposite to the connecting block 16, the transmission rod 12 is positioned between the connecting.
During the rotation of the rotating disk 10, the inner wall of the annular groove and the balls 19 are moved relatively, and the fixed disk 11 is subjected to resistance force along with the rotation of the rotating disk 10 by the interaction force generated between the iron connecting block 16 and the magnet block 17, so that the rotation of the rotating disk 10 is prevented from driving the fixed disk 11 to rotate, and the effect of keeping the fixed plate and the main body 1 in a relatively static position relation is realized.
Preferably, in order to reduce the frictional force between the balls 19 and the inner wall of the annular groove, the annular groove is internally coated with a lubricating oil.
The lubricating oil has the function of reducing the friction between the balls 19 and the inner wall of the annular groove and improving the smoothness of the rotation of the rotating disk 10.
Preferably, in order to improve the endurance, a power generation unit is provided in the main body 1, the power generation unit includes a driving gear 20, a driven gear 21 and a generator 22, the driving gear 20 is mounted on the rotating shaft 8 near the glass 5, the driving gear 20 is engaged with the driven gear 21, the driven gear 21 is mounted on the generator 22, and the generator 22 is fixed on the inner wall of the main body 1.
The rotation of the rotating shaft 8 enables the driving gear 20 to drive the driven gear 21 to rotate, the rotation of the driven gear 21 drives the generator 22 to operate, power generation is achieved, generated energy can provide operation for the device, and cruising ability is improved.
Preferably, the number of teeth of the driving gear 20 is larger than that of the driven gear 21 in order to increase the amount of power generation.
In the gear transmission, the number of teeth is inversely proportional to the rotational speed, so that the rotational speed of the driven gear 21 can be increased, and the rotational speed of the driven gear 21 is directly proportional to the power generation amount of the generator 22, that is, the power generation amount of the generator 22 can be increased.
preferably, in order to reduce the gap between the glass 5 and the inner wall of the opening, the inner wall of the opening is coated with a sealing grease.
The sealing grease functions to reduce the gap between the glass 5 and the inner wall of the opening and improve the sealing property.
Preferably, in order to prolong the service life of the rotating disk 10, the rotating disk 10 is provided with an anti-corrosion zinc coating.
The anti-corrosion zinc coating has the functions of improving the anti-rust capacity of the rotating disc 10 and prolonging the service life of the rotating disc 10.
Preferably, the handle 2 is provided with anti-slip threads to avoid slipping.
The anti-slip lines are used for improving the friction force between the hands of the user and the handle 2 and avoiding slipping.
The device rocks during the use, make slider 14 remove on slide bar 15 under inertial effect, and drive ball 19 screw bearing 13 and remove on lead screw 6, thereby make lead screw 6 drive axis of rotation 8 and rotate, the rotation of axis of rotation 8 drives flabellum 7 and rolling disc 10 and rotates, the rotation of flabellum 7 makes the air in main part 1 realize the circulation through gas pocket and connecting hole, thereby the heat in with main part 1 is discharged through the flow of air, realize the heat dissipation, the rotation of rolling disc 10 drives glass 5 through transfer line 12 and rotates in the opening, thereby make the dust on the glass 5 separate with glass 5 under the effect of centrifugal force, the function of cleaing away the dust has been realized.
compared with the prior art, this handheld terminating set of RFID has realized the circulation of air in the main part 1 through heat dissipation mechanism, thereby promote the radiating effect, compare with current heat dissipation mechanism, this heat dissipation mechanism need not electric drive, environmental protection and energy saving more, moreover, still realize cleaing away the dust on the glass 5 through clean mechanism, avoid the dust influence to sweep a yard precision, compare with current clean mechanism, this clean mechanism structure is ingenious, clear away the dust through centrifugal force's mode, the structure is more ingenious, and simultaneously, can also realize the electricity generation, duration is stronger.
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 (10)
1. The utility model provides a terminal device is handed to RFID, includes main part (1), handle (2), display screen (3), bar code scanner (4) and glass (5), the shape of main part (1) is the cuboid, display screen (3) set up the top in main part (1), handle (2) set up the bottom in main part (1), one side of main part (1) is equipped with the opening, glass (5) match with the opening, glass (5) are installed in the opening, the shape of glass (5) is cylindrical, the axis of glass (5) is perpendicular with the plane that is equipped with open-ended one side place of main part (1), glass (5) and open-ended inner wall slip and sealing connection, bar code scanner (4) are located main part (1), main part (1) are just to setting up with glass (5), be equipped with actuating system in main part (1), the glass cleaner is characterized in that a heat dissipation mechanism and a cleaning mechanism are arranged in the main body (1), and the heat dissipation assembly is positioned on one side, far away from the glass (5), of the code scanner (4);
the heat dissipation mechanism comprises a lead screw (6), fan blades (7), a transmission assembly, two rotating shafts (8) and two connecting bearings (9), wherein a connecting hole is formed in one side, far away from the opening, of the main body (1), at least two air holes are formed in one side, provided with the opening, of the main body (1), the air holes are uniformly distributed by taking the axis of the glass (5) as the central circumferential direction, filter screens are arranged in the air holes and the connecting hole respectively, the lead screw (6) and the rotating shafts (8) are coaxially arranged with the glass (5), the two rotating shafts (8) are fixed at two ends of the lead screw (6) respectively, the connecting bearings (9) correspond to the rotating shafts (8) one by one, inner rings of the connecting bearings (9) are installed on the rotating shafts (8), outer rings of the connecting bearings (9) are fixed on the inner wall of the main body (1), and the fan blades (7) are installed on, the fan blades (7) are positioned in the connecting holes, the transmission assembly is arranged on the screw rod (6), and the transmission assembly is in transmission connection with the screw rod (6);
The cleaning mechanism is positioned between a rotating shaft (8) close to glass (5) and a code scanner (4), the cleaning mechanism comprises a rotating disc (10), a fixed disc (11), three transmission rods (12) and three fixed components, the rotating disc (10) is installed at one end, far away from a screw rod (6), of the rotating shaft (8) close to the glass (5), the fixed disc (11) is positioned between the rotating disc (10) and the code scanner (4), the fixed disc (11) and the rotating disc (10) are coaxially arranged, the code scanner (4) is fixed on the fixed disc (11), the transmission rods (12) are parallel to the screw rod (6), the transmission rods (12) are uniformly distributed between the glass (5) and the rotating disc (10) in the circumferential direction by taking the axis of the screw rod (6) as the center, the glass (5) is fixedly connected with the rotating disc (10) through a connecting rod (18), the fixing assemblies correspond to the transmission rods (12) one by one, and the fixed disc (11) is connected with the rotating disc (10) through the transmission assemblies.
2. The RFID hand-held terminal device according to claim 1, characterized in that the transmission assembly comprises a ball (19) screw bearing (13) and three guiding units, wherein the screw (6) is provided with an external thread, the ball (19) screw bearing (13) has an inner ring matching the external thread, the ball (19) screw bearing (13) has an inner ring mounted on the screw (6), the guiding units correspond to the transmission rods (12) one to one, the guiding units are arranged on the outer ring of the ball (19) screw bearing (13), and the guiding units drive the outer ring of the ball (19) screw bearing (13) to move along the axis of the screw (6).
3. The RFID hand-held terminal device according to claim 2, characterized in that the guiding unit comprises a sliding block (14) and a sliding rod (15), the sliding rod (15) is parallel to the screw (6), two ends of the sliding rod (15) are respectively fixed on the inner walls of two sides of the main body (1), the sliding block (14) is sleeved on the sliding rod (15), and the sliding block (14) is fixedly connected with the outer ring of the ball (19) screw bearing (13).
4. the RFID hand-held terminal device according to claim 3, wherein the fixing component comprises a connecting block (16), a magnet block (17), a connecting rod (18) and balls (19), an annular groove is formed on one side of the rotating disc (10) close to the glass (5), the annular groove is coaxially arranged with the screw rod (6), the center of the ball (19) is arranged in the annular groove, the ball (19) is matched with and slidably connected with the annular groove, the sphere diameter of the ball (19) is larger than the notch width of the annular groove, the ball (19) is fixedly connected with the fixed disc (11) through the connecting rod (18), the connecting block (16) is fixed on the periphery of the fixed disc (11), the magnet block (17) is fixed on one side of the sliding rod (15) close to the axis of the screw rod (6), the magnet block (17) is opposite to the connecting block (16), the transmission rod (12) is positioned between the connecting block (16) and the magnet block (17), the connecting block (16) is made of iron.
5. The RFID hand-held terminal device of claim 4, wherein the annular groove has a lubricant applied therein.
6. The RFID hand-held terminal device according to claim 1, characterized in that a power generating unit is provided in the main body (1), the power generating unit includes a driving gear (20), a driven gear (21) and a power generator (22), the driving gear (20) is mounted on the rotating shaft (8) near the glass (5), the driving gear (20) is engaged with the driven gear (21), the driven gear (21) is mounted on the power generator (22), and the power generator (22) is fixed on the inner wall of the main body (1).
7. RFID hand-held terminal device according to claim 6, characterised in that the number of teeth of the driving gear wheel (20) is greater than the number of teeth of the driven gear wheel (21).
8. The RFID hand-held terminal device of claim 1, wherein an inner wall of the opening is coated with a sealing grease.
9. The RFID hand-held terminal device according to claim 1, characterised in that the rotating disc (10) is provided with an anti-corrosion zinc coating.
10. RFID hand-held terminal device according to claim 1, characterised in that the handle (2) is provided with anti-slip threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910857798.4A CN110580422A (en) | 2019-09-09 | 2019-09-09 | RFID handheld terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910857798.4A CN110580422A (en) | 2019-09-09 | 2019-09-09 | RFID handheld terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110580422A true CN110580422A (en) | 2019-12-17 |
Family
ID=68812905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910857798.4A Withdrawn CN110580422A (en) | 2019-09-09 | 2019-09-09 | RFID handheld terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110580422A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218882A (en) * | 2020-03-31 | 2020-06-02 | 刘艳伟 | Electric tamping equipment with impurity removing function |
| CN111553998A (en) * | 2020-04-24 | 2020-08-18 | 深圳市飞龙云商贸有限公司 | Fingerprint attendance machine with dust removal function |
| CN111780847A (en) * | 2020-06-19 | 2020-10-16 | 广州纯元科技有限公司 | Heat dissipation type electronic weighing equipment |
| CN112631047A (en) * | 2020-12-07 | 2021-04-09 | 南京思达捷信息科技有限公司 | Projector with anti-blocking function |
-
2019
- 2019-09-09 CN CN201910857798.4A patent/CN110580422A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218882A (en) * | 2020-03-31 | 2020-06-02 | 刘艳伟 | Electric tamping equipment with impurity removing function |
| CN111553998A (en) * | 2020-04-24 | 2020-08-18 | 深圳市飞龙云商贸有限公司 | Fingerprint attendance machine with dust removal function |
| CN111780847A (en) * | 2020-06-19 | 2020-10-16 | 广州纯元科技有限公司 | Heat dissipation type electronic weighing equipment |
| CN112631047A (en) * | 2020-12-07 | 2021-04-09 | 南京思达捷信息科技有限公司 | Projector with anti-blocking function |
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Application publication date: 20191217 |
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| WW01 | Invention patent application withdrawn after publication |