CN110616654B - Heat dissipation type supermarket burglary-resisting door with interception function - Google Patents
Heat dissipation type supermarket burglary-resisting door with interception function Download PDFInfo
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- CN110616654B CN110616654B CN201910880201.8A CN201910880201A CN110616654B CN 110616654 B CN110616654 B CN 110616654B CN 201910880201 A CN201910880201 A CN 201910880201A CN 110616654 B CN110616654 B CN 110616654B
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- connecting rod
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/06—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates
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- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention relates to a heat dissipation type supermarket anti-theft door with an interception function, which comprises a transmitting device, a receiving device and two main bodies, the main body is internally provided with an interception mechanism and a heat dissipation mechanism, the interception mechanism comprises a driving component, a transmission component and two interception components, the interception component comprises a rotating shaft, an interception rod and two bearings, the heat dissipation mechanism comprises an air cylinder, a connecting rod, a piston, an air inlet pipe, an air outlet pipe and a nozzle, the heat dissipation type supermarket anti-theft door with the intercepting function has the advantages that through the intercepting mechanism, when a product which is not demagnetized is detected, so that the intercepting rods on the two bodies block shoppers, so that the shoppers cannot pass between the two bodies, therefore, shoppers carrying non-demagnetized products are intercepted in time, economic loss is reduced, internal heat dissipation is achieved through the heat dissipation mechanism, and the phenomenon that the normal work of the supermarket security door is affected due to overhigh temperature is avoided.
Description
Technical Field
The invention relates to an anti-theft intercepting door, in particular to an anti-theft intercepting door applied to a supermarket.
Background
A supermarket security door refers to an electronic security door which is specially used in places such as supermarkets, shopping malls and the like. The anti-theft device is mainly used for preventing theft and protecting property.
Moreover, the existing supermarket security door generally has only the functions of detection and reminding, and a shopper carrying a non-demagnetized product cannot be intercepted in time, so that the shopper escapes, economic loss is brought to the supermarket, and the practicability of the existing supermarket security door is greatly reduced, for example, patent CN 204186269U.
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 heat dissipation type supermarket anti-theft door with the intercepting function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a heat dissipation type supermarket anti-theft door with an intercepting function comprises a transmitting device, a receiving device and two main bodies, wherein the two main bodies are arranged oppositely, the transmitting device and the receiving device are respectively arranged inside the two main bodies, a PLC and an antenna are arranged in the main bodies, the transmitting device, the receiving device and the antenna are all electrically connected with the PLC, an intercepting mechanism and a heat dissipation mechanism are arranged in the main bodies, and the heat dissipation mechanism is connected with the intercepting mechanism;
the intercepting mechanism comprises a driving assembly, a transmission assembly and two intercepting assemblies, two through holes are formed in the main body, the through holes correspond to the intercepting assemblies one by one, the two intercepting assemblies are connected through the transmission assembly, and the driving assembly is connected with one of the intercepting assemblies;
the intercepting component comprises a rotating shaft, an intercepting rod and two bearings, the two bearings are respectively and fixedly connected with the inner walls of the two sides of the main body, the two ends of the rotating shaft are respectively and fixedly connected with the inner rings of the two bearings, one end of the rotating shaft, close to the through hole, penetrates through the through hole and is arranged outside the main body, the rotating shaft and the through hole are coaxially arranged, one end of the rotating shaft, close to the through hole, is fixedly connected with the intercepting rod, the two rotating shafts are connected through a transmission component, and the driving component is connected with the rotating shaft positioned below;
the bottom of heat dissipation mechanism setting in the main part, heat dissipation mechanism includes inflator, connecting rod, piston, intake pipe, outlet duct and nozzle, the bottom in the main part is fixed to the inflator, the piston sets up the inside at the inflator, the inner wall sealing connection of piston and inflator, the one end of connecting rod and the top fixed connection of piston, the top of inflator is equipped with the perforation, the other end of connecting rod passes the perforation setting in the top of inflator, the other end and the drive assembly of connecting rod are connected, the outside intercommunication of intake pipe and main part is passed through to one side of inflator, the top in the main part is fixed to the nozzle, the nozzle passes through the opposite side intercommunication of outlet duct and inflator.
As preferred, in order to drive the work of interception subassembly, drive assembly includes cylinder, connecting block, gear and rack, the cylinder is vertical to be fixed in the inside of main part, the gas pole and the connecting block fixed connection of cylinder, the vertical setting of rack is in the inside of main part, gear and the pivot fixed connection who is located the below, gear and the coaxial setting of pivot, rack and gear engagement, the connecting block is with one side fixed connection who keeps away from the gear of rack, the bottom of rack and the one end fixed connection who keeps away from the piston of connecting rod, the cylinder is connected with the PLC electricity.
Preferably, in order to transmit power, the transmission assembly comprises a conveyor belt and two rotating wheels, the rotating wheels correspond to the rotating shafts one by one, the rotating wheels are fixed on the rotating shafts, and the two rotating wheels are connected through the conveyor belt.
Preferably, in order to realize the unidirectional flow of air in the air inlet pipe and the air outlet pipe, one-way valves are arranged in the air inlet pipe and the air outlet pipe and are electrically connected with the PLC.
Preferably, in order to limit the moving direction of the connecting rod, the heat dissipation mechanism further comprises a limiting block, the limiting block is fixed above the inflator, a small hole is formed in the limiting block, one end, far away from the piston, of the connecting rod penetrates through the small hole, the connecting rod is matched with the small hole, and the connecting rod is connected with the limiting block in a sliding mode.
Preferably, the horizontal cross-sectional shape of the small hole is a square shape in order to avoid wobbling when the connecting rod moves.
Preferably, in order to prolong the service life of the main body, the main body is made of ABS plastic.
Preferably, the gear is coated with grease in order to make the gear smoothly rotate.
Preferably, in order to realize the dust removal function, a filter screen is arranged on one side of the air inlet pipe, which is far away from the air cylinder.
Preferably, in order to remind workers in a supermarket, an alarm is arranged on one main body and is electrically connected with the PLC.
The heat dissipation type supermarket anti-theft door with the intercepting function has the advantages that the intercepting rods on the two main bodies block shoppers when non-demagnetized products are detected through the intercepting mechanism, so that the shoppers cannot pass between the two main bodies, shoppers carrying non-demagnetized products are timely intercepted, economic loss is reduced, internal heat dissipation is achieved through the heat dissipation mechanism, the phenomenon that the temperature is too high and normal work of the supermarket anti-theft door is affected is avoided, compared with the existing heat dissipation mechanism, the heat dissipation mechanism conducts blowing work on the inside of the main bodies through vertical swinging of the intercepting rods, the heat dissipation function is achieved, and therefore intercepting and heat dissipation are integrated into a linkage mechanism.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a heat dissipation type supermarket anti-theft door with an intercepting function, provided by the invention;
FIG. 2 is a schematic structural diagram of an intercepting mechanism of the heat dissipation type supermarket anti-theft door with an intercepting function, provided by the invention;
FIG. 3 is a side view of the intercepting mechanism of the heat dissipation type supermarket anti-theft door with intercepting function of the present invention;
FIG. 4 is a schematic view of a connection structure of a limiting block and a connecting rod of the heat dissipation type supermarket anti-theft door with an intercepting function;
in the figure: 1. the automatic alarm device comprises a main body, 2, a transmitting device, 3, a receiving device, 4, a cylinder, 5, a connecting block, 6, a rack, 7, a gear, 8, a rotating shaft, 9, a conveyor belt, 10, a rotating wheel, 11, an intercepting rod, 12, a connecting rod, 13, an air cylinder, 14, a piston, 15, an air inlet pipe, 16, an air outlet pipe, 17, a nozzle, 18, a limiting block, 19, a one-way valve, 20, a filter screen and 21, an alarm.
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 heat dissipation type supermarket security door with an interception function comprises a transmitting device 2, a receiving device 3 and two main bodies 1, wherein the two main bodies 1 are arranged oppositely, the transmitting device 2 and the receiving device 3 are respectively arranged inside the two main bodies 1, a PLC and an antenna are arranged in the main bodies 1, the transmitting device 2, the receiving device 3 and the antenna are all electrically connected with the PLC, an interception mechanism and a heat dissipation mechanism are arranged in the main bodies 1, and the heat dissipation mechanism is connected with the interception mechanism;
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.
The shoppers pass through the two main bodies 1, the transmitting device 2 transmits radio waves at a certain frequency, when an article carrying an electronic tag with certain characteristics enters between the two main bodies 1, signals of the transmitting device 2 are interfered, the interference signals are received by the receiving device 3, the signals are analyzed and judged by the PLC, so that the intercepting mechanism is controlled to work, when products which are not demagnetized are detected, the intercepting rods 11 on the two main bodies 1 are made to intercept the shoppers, the shoppers cannot pass through the two main bodies 1, the shoppers carrying the products which are not demagnetized are intercepted in time, economic loss is reduced, heat dissipation to the inside is achieved through the heat dissipation mechanism, the phenomenon that the temperature is too high and normal work of the supermarket antitheft door is influenced is avoided.
As shown in fig. 2-3, the intercepting mechanism includes a driving assembly, a transmission assembly and two intercepting assemblies, two through holes are arranged on the main body 1, the through holes correspond to the intercepting assemblies one to one, the two intercepting assemblies are connected through the transmission assembly, and the driving assembly is connected with one of the intercepting assemblies;
the intercepting component comprises a rotating shaft 8, an intercepting rod 11 and two bearings, the two bearings are respectively and fixedly connected with the inner walls of the two sides of the main body 1, the two ends of the rotating shaft 8 are respectively and fixedly connected with the inner rings of the two bearings, one end of the rotating shaft 8, close to the through hole, penetrates through the through hole and is arranged outside the main body 1, the rotating shaft 8 and the through hole are coaxially arranged, one end of the rotating shaft 8, close to the through hole, is fixedly connected with the intercepting rod 11, the two rotating shafts 8 are connected through a transmission component, and the driving component is connected with the rotating shaft 8 located below;
when the product without demagnetization is detected between the two main bodies 1, the driving assembly is controlled to work, the rotating shaft 8 positioned below rotates, the rotating shaft 8 positioned above rotates through the transmission assembly, the blocking rods 11 on the two main bodies 1 rotate towards the direction far away from each other, a shopper can conveniently pass through the two main bodies 1, when the product without demagnetization is detected between the two main bodies 1, the driving assembly is controlled to not work, the blocking rods 11 on the two main bodies 1 block the shopper, the shopper cannot pass through the two main bodies 1, the function of blocking in time is achieved, and the shopper carrying the product without demagnetization is prevented from escaping.
As shown in fig. 2, the heat dissipation mechanism is arranged at the bottom of the main body 1 and comprises an air cylinder 13, a connecting rod 12, a piston 14, an air inlet pipe 15, an air outlet pipe 16 and a nozzle 17, the air cylinder 13 is fixed at the bottom of the main body 1, the piston 14 is arranged inside the air cylinder 13, the piston 14 is hermetically connected with the inner wall of the air cylinder 13, one end of the connecting rod 12 is fixedly connected with the upper part of the piston 14, a through hole is arranged above the air cylinder 13, the other end of the connecting rod 12 passes through the through hole and is arranged above the air cylinder 13, the other end of the connecting rod 12 is connected with a driving component, one side of the air cylinder 13 is communicated with the outside of the main body 1 through the air inlet pipe 15, the nozzle 17 is fixed at the top of the main body 1, and the nozzle 17 is communicated with the other side of the air cylinder 13 through the air outlet pipe 16.
When the heat dissipation device works, the driving assembly works to drive the connecting rod 12 to move downwards, so that the piston 14 moves towards the direction far away from the perforation, air in the air cylinder 13 is led into the nozzle 17 through the air outlet pipe 16, the nozzle 17 sprays air to the inside of the main body 1, the air circulation speed in the main body 1 is increased, the heat dissipation function is realized, after the driving assembly works to drive the connecting rod 12 to move upwards, the piston 14 moves towards the direction near the perforation, the air outside the main body 1 enters the inside of the main body 1 through the air inlet pipe 15, and a spraying air source is provided for the nozzle 17.
Preferably, in order to drive the work of the intercepting component, the driving component comprises a cylinder 4, a connecting block 5, a gear 7 and a rack 6, the cylinder 4 is vertically fixed in the main body 1, an air rod of the cylinder 4 is fixedly connected with the connecting block 5, the rack 6 is vertically arranged in the main body 1, the gear 7 is fixedly connected with a rotating shaft 8 positioned below, the gear 7 is coaxially arranged with the rotating shaft 8, the rack 6 is meshed with the gear 7, one side of the connecting block 5, far away from the gear 7, of the rack 6 is fixedly connected with one side of a connecting rod 12, far away from a piston 14, and the cylinder 4 is electrically connected with the PLC.
Preferably, in order to transmit power, the transmission assembly comprises a conveyor belt 9 and two rotating wheels 10, the rotating wheels 10 correspond to the rotating shafts 8 one by one, the rotating wheels 10 are fixed on the rotating shafts 8, and the two rotating wheels 10 are connected through the conveyor belt 9.
When no product without demagnetization is detected between the two main bodies 1, the driving assembly is controlled to work, the air cylinder 4 is started, the air rod is extended, the connecting block 5 is driven to move towards the direction far away from the air cylinder 4, the rack 6 moves downwards, the gear 7 is driven to rotate, the rotating shaft 8 positioned below is driven to rotate, the rotating wheel 10 fixedly connected with the rotating shaft is driven to rotate, the other rotating wheel 10 is driven to rotate through the conveyor belt 9, the rotating shaft 8 positioned above is driven to rotate, the blocking rods 11 on the two main bodies 1 rotate towards the direction far away from each other, a shopper can conveniently pass between the two main bodies 1, when the product without demagnetization is detected between the two main bodies 1, the driving assembly is controlled not to work, the blocking rods 11 on the two main bodies 1 block the shopper, the shopper can not pass between the two main bodies 1, and the function of blocking in time is realized, avoiding the escape of shoppers carrying products that are not demagnetized.
Preferably, in order to realize the unidirectional flow of air in the air inlet pipe 15 and the air outlet pipe 16, a one-way valve 19 is arranged in each of the air inlet pipe 15 and the air outlet pipe 16, and the one-way valve 19 is electrically connected with the PLC.
The one-way valve 19 is arranged, so that the air in the air inlet pipe 15 and the air outlet pipe 16 can only circulate in one way, the air can only enter the air cylinder 13 from the air inlet pipe 15 and then is guided into the nozzle 17 from the air outlet pipe 16, the one-way circulation of the air is realized, and a continuous air source is provided for the nozzle 17.
As shown in fig. 4, the heat dissipation mechanism further includes a limiting block 18, the limiting block 18 is fixed above the air cylinder 13, a small hole is formed in the limiting block 18, one end of the connecting rod 12, which is far away from the piston 14, penetrates through the small hole, the connecting rod 12 is matched with the small hole, and the connecting rod 12 is slidably connected with the limiting block 18.
By arranging the limiting block 18, the moving direction of the connecting rod 12 is limited, so that the connecting rod 12 is more stable when moving.
Preferably, the horizontal cross-sectional shape of the aperture is square to avoid wobbling of the link 12 during movement.
The small hole is set to be a square hole, so that the connecting rod 12 does not rotate when moving along the limiting block 18, the situation that the rack 6 inclines to influence the rotation of the gear 7 is avoided, and the operation of the intercepting component is influenced.
Preferably, in order to prolong the service life of the main body 1, the main body 1 is made of ABS plastic.
Preferably, in order to make the gear 7 smoothly rotate, the gear 7 is coated with grease, so that the friction between the gear 7 and the rack 6 is reduced, the gear 7 is more smoothly rotated, and the smoothness of the rotation of the rotating shaft 8 is improved.
Preferably, in order to achieve the dust removing function, a filter screen 20 is disposed on a side of the air inlet pipe 15 away from the air cylinder 13.
By arranging the filter screen 20, the air entering the air inlet pipe 15 is dedusted by the filter screen 20 and then guided into the air cylinder 13 and then guided into the nozzle 17 through the air outlet pipe 16, so that the influence of the dust on the air injection effect of the nozzle 17 due to the blockage of the nozzle 17 is avoided.
Preferably, in order to remind the staff in the supermarket, an alarm 21 is arranged on one of the main bodies 1, and the alarm 21 is electrically connected with the PLC.
When a product without demagnetization is between the two main bodies 1, a signal is sent to the PLC, and the PLC controls the alarm 21 to give an alarm sound to remind a worker in a supermarket.
When no product without demagnetization is detected between the two main bodies 1, the driving assembly is controlled to work, the air cylinder 4 is started, the air rod is extended, the connecting block 5 is driven to move towards the direction far away from the air cylinder 4, the rack 6 moves downwards, the gear 7 is driven to rotate, the rotating shaft 8 positioned below is driven to rotate, the rotating wheel 10 fixedly connected with the rotating shaft is driven to rotate, the other rotating wheel 10 is driven to rotate through the conveyor belt 9, the rotating shaft 8 positioned above is driven to rotate, the blocking rods 11 on the two main bodies 1 rotate towards the direction far away from each other, a shopper can conveniently pass between the two main bodies 1, when the product without demagnetization is detected between the two main bodies 1, the driving assembly is controlled not to work, the blocking rods 11 on the two main bodies 1 block the shopper, the shopper can not pass between the two main bodies 1, and the function of blocking in time is realized, avoiding the escape of shoppers carrying products that are not demagnetized. When the heat dissipation device is used for heat dissipation, the driving assembly works, the rack 6 moves downwards, the connecting rod 12 is driven to move downwards, the piston 14 moves towards the direction far away from the through hole, air in the air cylinder 13 is led into the nozzle 17 through the air outlet pipe 16, the nozzle 17 sprays air to the inside of the main body 1, the air circulation speed in the main body 1 is increased, the heat dissipation function is achieved, the connecting rod 12 is driven to move upwards when the rack 6 moves upwards, the piston 14 moves towards the direction close to the through hole, air outside the main body 1 enters the inside of the main body 1 through the air inlet pipe 15, and a spraying air source is provided for the nozzle 17.
Compared with the prior art, the heat dissipation type supermarket anti-theft door with the intercepting function passes through the intercepting mechanism, when products which are not demagnetized are detected, the intercepting rods 11 on the two main bodies 1 are made to intercept shoppers, the shoppers cannot pass between the two main bodies 1, the shoppers carrying the products which are not demagnetized are intercepted in time, economic loss is reduced, heat dissipation to the inside is achieved through the heat dissipation mechanism, the phenomenon that the temperature is too high and normal work of the supermarket anti-theft door is affected is avoided, compared with the existing heat dissipation mechanism, the heat dissipation mechanism conducts air blowing work to the inside of the main bodies 1 through up-and-down swinging of the intercepting rods 11, the heat dissipation function is achieved, and therefore the intercepting and the heat dissipation are enabled to be an integrated linkage mechanism.
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. A heat dissipation type supermarket anti-theft door with an intercepting function comprises a transmitting device (2), a receiving device (3) and two main bodies (1), wherein the two main bodies (1) are arranged oppositely, the transmitting device (2) and the receiving device (3) are arranged inside the two main bodies (1) respectively, a PLC (programmable logic controller) and an antenna are arranged in the main bodies (1), and the transmitting device (2), the receiving device (3) and the antenna are electrically connected with the PLC;
the intercepting mechanism comprises a driving assembly, a transmission assembly and two intercepting assemblies, two through holes are formed in the main body (1), the through holes correspond to the intercepting assemblies one to one, the two intercepting assemblies are connected through the transmission assembly, and the driving assembly is connected with one of the intercepting assemblies;
the intercepting component comprises a rotating shaft (8), an intercepting rod (11) and two bearings, the two bearings are fixedly connected with the inner walls of the two sides of the main body (1) respectively, the two ends of the rotating shaft (8) are fixedly connected with the inner rings of the two bearings respectively, one end, close to the through hole, of the rotating shaft (8) penetrates through the through hole to be arranged outside the main body (1), the rotating shaft (8) and the through hole are coaxially arranged, one end, close to the through hole, of the rotating shaft (8) is fixedly connected with the intercepting rod (11), the two rotating shafts (8) are connected through a transmission component, and the driving component is connected with the rotating shaft (8) located below;
the bottom of heat dissipation mechanism setting in main part (1), heat dissipation mechanism includes inflator (13), connecting rod (12), piston (14), intake pipe (15), outlet duct (16) and nozzle (17), bottom in main part (1) is fixed in inflator (13), piston (14) set up the inside in inflator (13), the inner wall sealing connection of piston (14) and inflator (13), the top fixed connection of one end and piston (14) of connecting rod (12), the top of inflator (13) is equipped with the perforation, the other end of connecting rod (12) passes the perforation and sets up the top in inflator (13), the other end and the drive assembly of connecting rod (12) are connected, the outside intercommunication of intake pipe (15) and main part (1) is passed through to one side of inflator (13), nozzle (17) are fixed at the top in main part (1), the nozzle (17) is communicated with the other side of the air cylinder (13) through an air outlet pipe (16).
2. The heat dissipation type supermarket security door with intercepting function as recited in claim 1, the driving component comprises a cylinder (4), a connecting block (5), a gear (7) and a rack (6), the cylinder (4) is vertically fixed in the main body (1), the air rod of the cylinder (4) is fixedly connected with the connecting block (5), the rack (6) is vertically arranged inside the main body (1), the gear (7) is fixedly connected with a rotating shaft (8) positioned below, the gear (7) and the rotating shaft (8) are coaxially arranged, the rack (6) is meshed with the gear (7), the connecting block (5) is fixedly connected with one side of the rack (6) far away from the gear (7), the bottom end of the rack (6) is fixedly connected with one end, far away from the piston (14), of the connecting rod (12), and the cylinder (4) is electrically connected with the PLC.
3. A heat dissipation type supermarket security door with intercepting function according to claim 1, wherein the transmission assembly comprises a conveyor belt (9) and two rotating wheels (10), the rotating wheels (10) correspond to the rotating shafts (8) one by one, the rotating wheels (10) are fixed on the rotating shafts (8), and the two rotating wheels (10) are connected through the conveyor belt (9).
4. A heat dissipation type supermarket anti-theft door with intercepting function according to claim 1, characterized in that a one-way valve (19) is arranged in each of the air inlet pipe (15) and the air outlet pipe (16), and the one-way valve (19) is electrically connected with the PLC.
5. A heat dissipation type supermarket anti-theft door with intercepting function according to claim 1, wherein the heat dissipation mechanism further comprises a limiting block (18), the limiting block (18) is fixed above the air cylinder (13), a small hole is formed in the limiting block (18), one end of the connecting rod (12) far away from the piston (14) penetrates through the small hole, the connecting rod (12) is matched with the small hole, and the connecting rod (12) is connected with the limiting block (18) in a sliding manner.
6. A heat dissipation type supermarket security door with an intercepting function according to claim 5, wherein the horizontal cross section of the small hole is square.
7. The heat dissipation type supermarket anti-theft door with intercepting function according to claim 1, characterized in that the main body (1) is made of ABS plastic.
8. A heat dissipation type supermarket security door with intercepting function according to claim 2, characterized in that the gear (7) is coated with grease.
9. A heat dissipation type supermarket anti-theft door with intercepting function according to claim 1, characterized in that a side of the air inlet pipe (15) far away from the air cylinder (13) is provided with a filter screen (20).
10. A heat dissipation type supermarket security door with intercepting function according to claim 1, wherein an alarm (21) is provided on one of the main bodies (1), and the alarm (21) is electrically connected with the PLC.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880201.8A CN110616654B (en) | 2019-09-18 | 2019-09-18 | Heat dissipation type supermarket burglary-resisting door with interception function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880201.8A CN110616654B (en) | 2019-09-18 | 2019-09-18 | Heat dissipation type supermarket burglary-resisting door with interception function |
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| CN110616654A CN110616654A (en) | 2019-12-27 |
| CN110616654B true CN110616654B (en) | 2021-11-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112129341B (en) * | 2020-09-03 | 2022-04-12 | 重庆工商大学 | Security inspection device with monitoring function and convenient to maintain for intelligent supermarket |
| CN113216700B (en) * | 2021-05-17 | 2022-10-11 | 杨绍芳 | Portable protection device |
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| CA2766622A1 (en) * | 2012-02-02 | 2013-08-02 | Les Ateliers Bolduc Et Freres Inc. | Controlled gate system with electromagnetic locking mechanism |
| CN207993168U (en) * | 2018-02-05 | 2018-10-19 | 徐天宏 | Intelligent unattended antitheft system for supermarket |
| CN108612467A (en) * | 2018-03-22 | 2018-10-02 | 深圳市晓控通信科技有限公司 | A kind of good supermarket anti-theft door with interception function of anti-theft performance |
| CN209211330U (en) * | 2018-11-28 | 2019-08-06 | 深圳华颐智能系统有限公司 | It is a kind of convenient for current gate |
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