CN211448150U - Intelligent lock for shopping cart - Google Patents
Intelligent lock for shopping cart Download PDFInfo
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- CN211448150U CN211448150U CN201922172569.7U CN201922172569U CN211448150U CN 211448150 U CN211448150 U CN 211448150U CN 201922172569 U CN201922172569 U CN 201922172569U CN 211448150 U CN211448150 U CN 211448150U
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- lock
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- spring
- key
- shopping cart
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Abstract
The utility model provides a shopping cart intelligence lock, a serial communication port, include: the lock body and the key are connected through a short chain; a circuit board and a battery are installed in the lock body, and a spring electromagnetic lock, a touch switch and a wireless module respectively connected with the spring electromagnetic lock and the touch switch are arranged on the circuit board; the lock body is also provided with a key hole and a key channel, and the spring electromagnetic lock is arranged beside the key channel; a push rod penetrating through the rear part of the spring electromagnetic lock is fixed at the tail end of a lock cylinder of the spring electromagnetic lock, and the tact switch is fixed behind the push rod; one end of the short chain is fixed on one side of the lock body opposite to the key hole, and the length of the short chain is smaller than the length from the fixed end to the outer peripheral part of the lock body of the key hole. The shopping cart is simple in structure, low in cost, convenient to use and capable of meeting the requirements of intelligent solutions, and borrowing and returning functions of the shopping cart can be achieved conveniently.
Description
Technical Field
The utility model relates to a tool to lock field especially relates to a shopping cart intelligence lock.
Background
The existing supermarket shopping cart lock mainly adopts a one-yuan coin mode to manage borrowing and returning. On one hand, the value of the one-yuan coin is greatly different from that of the shopping cart, and the ideal management effect expected by the one-yuan coin is actually dependent on the consciousness of the customer rather than the effectiveness of the technical scheme; on the other hand, with the development of the information-based society, the unary coins fade out the sight of people in daily life, and a plurality of inconveniences are generated around the locks and management schemes provided by the unary coins, so that the unary coins are difficult to meet the actual requirements.
Chinese patent document CN 201821559499-an intelligent supermarket shopping cart lock and the like, and proposes some schemes for realizing shopping cart management by using an informatization platform, but the biggest problem is the cost problem, the cost is very low on the basis of a lockset of a unitary coin, and a merchant has no motivation for replacing the existing lockset if too much cost is increased on the premise of not having too much expected income; in addition, if an electronic device is used for constructing a lock scheme, the maintenance and management of a power supply of the electronic device are also difficult problems which hinder popularization.
SUMMERY OF THE UTILITY MODEL
In order to solve the defect and the insufficient problem that prior art exists, the utility model discloses an ingenious design utilizes the combination of simple component, realizes intelligent shopping cart lock scheme under the prerequisite of as low as possible cost.
The technical scheme is as follows:
a shopping cart intelligence lock, characterized by, includes: the lock body and the key are connected through a short chain; a circuit board and a battery are installed in the lock body, and a spring electromagnetic lock, a touch switch and a wireless module respectively connected with the spring electromagnetic lock and the touch switch are arranged on the circuit board; the lock body is also provided with a key hole and a key channel, and the spring electromagnetic lock is arranged beside the key channel; a push rod penetrating through the rear part of the spring electromagnetic lock is fixed at the tail end of a lock cylinder of the spring electromagnetic lock, and the tact switch is fixed behind the push rod; one end of the short chain is fixed on one side of the lock body opposite to the key hole, and the length of the short chain is smaller than the length from the fixed end to the outer peripheral part of the lock body of the key hole.
Preferably, a two-dimensional code label is arranged on the lock body.
Preferably, the outer housing of the lock body is composed of an upper housing, a lower housing and a battery cover; the circuit board is arranged in a main shell formed by the upper shell and the lower shell; the battery is arranged in a battery compartment formed by the upper shell, the lower shell and the battery cover; the battery cover and the lower shell of the battery bin are adjacent to the main shell and opposite to one side of the key channel; the main shell is internally provided with a clamping piece, the left end of the clamping piece faces the clamping groove and is provided with a hooking part, and the right end of the clamping piece is arranged on the inner side of the key channel and is rotationally fixed between the rotating shaft and the shell of the spring electromagnetic lock through the rotating shaft; and a return spring with two ends respectively connected with the clamping piece and the shell of the spring electromagnetic lock is arranged in the main shell.
Preferably, the front end of the housing of the electromagnetic spring lock is provided with a baffle plate, and collinear through holes are formed in the baffle plate and the bottom of the housing of the electromagnetic spring lock; an electromagnet and a radial spring are arranged in a shell of the spring electromagnetic lock; the tongue of the lock cylinder is arranged in front of the baffle, and the handle rod at the tail end is inserted into the front through hole and penetrates through the spring; the ejector rod is inserted into the rear through hole, penetrates through the spring and is fixedly connected with the handle rod.
Preferably, the tongue of the lock cylinder is in an inverted triangle shape, and two inverted triangle-shaped lock grooves are symmetrically arranged on the side of the key.
Preferably, a buzzer is further arranged on the circuit board.
The utility model discloses and preferred scheme still accords with the requirement of intelligent solution when the structure is retrencied, low cost, convenient to use, can conveniently realize borrowing, the function of going back of shopping cart.
One of the key points of the scheme provided by the utility model lies in providing a matching scheme of a spring electromagnetic lock and a tact switch, on one hand, the electromagnet needs to be electrified at the moment of taking a car, thus greatly saving the power supply, and on the other hand, the functions of confirming and verifying the lock state which can be completed by electronic devices with relatively complex complexity and high cost under the conventional scheme are realized through the components of the tact switch and the ejector rod; the control of actions such as unlocking, returning and the like can be finished only by finishing the receiving and sending of simple level signals through the wireless module, even no additional controller is needed, so that the more complicated information transmission function is transferred to a mature information platform such as a mobile terminal and an upper computer, and the cost is greatly reduced;
the second main point is that the design of related components such as a special battery cover and a clamping piece is provided, the battery compartment is self-locked in the vehicle taking state, the reliability of the lockset is ensured, and the lock is unlocked after returning the vehicle, so that the effect of logistics management and maintenance is facilitated.
Furthermore, the utility model provides a control scheme has still extended the scope that shopping cart intelligence lock used the scene greatly, and it not only provides the convenience for the management of conventional scenes such as supermarket, can also promote to the farm trade market even, and open application scenes such as sharing shopping cart to very high reliability has been guaranteed.
Drawings
The invention will be described in further detail with reference to the following drawings and detailed description:
fig. 1 is an exploded view of the overall structure of the embodiment of the present invention;
fig. 2 is a schematic sectional view of the overall structure of the embodiment of the present invention;
FIG. 3 is a schematic diagram of a relationship between a battery cover and a fastener according to an embodiment of the present invention;
fig. 4 is a schematic sectional view of the spring electromagnetic lock according to the embodiment of the present invention;
FIG. 5 is a schematic view of an embodiment of the present invention;
in the figure: 101-an upper shell; 102-a lower housing; 103-battery cover; 104-a fixed support; 105-a two-dimensional code label setting area; 106-a clamping groove; 110-a circuit board; 120-a battery; 130-spring electromagnetic lock; 131-a lock cylinder; 132-a housing; 133-a baffle plate; 134-electromagnet coil; 135-a spring; 136-a mandril; 140-tact switch; 151-cartridge; 152-a return spring; 153-a spindle; 200-short chain; 300-key.
Detailed Description
In order to make the features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail as follows:
as shown in fig. 1-5, the shopping cart smart lock solution provided in this embodiment, from the view point of appearance and arrangement orientation on the shopping cart, is similar to the existing coin-type lock, and includes a lock body and a key 300 connected by a short chain 200, and the lock body is fixed on the handle of the shopping cart by a fixing bracket 104. The short chain 200 prevents the key 300 from being completely inserted into the lock body connected with the short chain, and the key 300 on other shopping carts can be inserted into the lock body only, so that the carts are returned. More specific length limitations of the short chain 200 may be: the short chain 200 has one end fixed to the outer case at a side opposite to the hole of the key 300, and the short chain 200 has a length smaller than the fixed end to the outer circumference of the outer case of the hole of the key 300, within such a length range that the key 300 cannot be completely inserted into the lock body to which it is coupled.
As shown in fig. 1-4, the present embodiment provides a solution in which the outer housing of the lock body is composed of an upper housing 101, a lower housing 102 and a battery cover 103. The circuit board 110 is installed in the main housing formed by the upper housing 101 and the lower housing 102, and the electromagnetic latch 130, the tact switch 140, and the wireless module respectively connected to the electromagnetic latch 130 and the tact switch 140 are disposed on the circuit board 110. The circuit board 110 mainly functions to integrate the circuit modules adopted in the embodiment to form an electrical connection relationship with each other, and the specific form of the circuit board 110 may be the PCB circuit board 110, or the positioning and fixing of the electronic device may be completed in the form of other plates under the condition that the electronic device is selected to be an existing device. In this embodiment, in order to set up devices such as singlechip as solitary controller, also can not set up control module alone, because realize the utility model discloses an operating mechanism only need send the level signal that dabs switch 140 and produce to and the signal that receives circular telegram of spring electromagnetic lock 130 and realize circular telegram can, these functions both can be realized through above-mentioned module combination simple switch circuit.
The two-dimensional code label setting area 105 on the outer shell is also provided with a two-dimensional code label, so that a user can conveniently establish connection with a background management system by adopting a mobile terminal in a two-dimensional code scanning mode.
A battery 120 is installed in a battery compartment formed by the upper casing 101, the lower casing 102 and the battery cover 103, and the battery 120 is used for supplying power to the circuit module and performing maintenance operation of replacement by opening the battery cover 103 in daily life. The battery compartment and the main shell are in a relatively isolated state, the main shell cannot be opened without being disassembled or damaged by a special tool, and the safety of the circuit board 110 in daily maintenance and use is ensured.
The main casing body is provided with a key 300 hole and a key 300 passage at one side far away from the battery compartment, and the spring electromagnetic lock 130 is arranged at the side of the key 300 passage. The tongue of the lock core 131 of the spring electromagnetic lock 130 is in an inverted triangle shape, the side part of the key 300 is also symmetrically provided with two inverted triangle-shaped lock grooves with the same shape, the key 300 penetrating into the channel of the key 300 is fixed through the clamping position of the lock core 131, and meanwhile, the key cannot be pulled out reversely and directly.
As shown in fig. 4, in the present embodiment, the specific structure of the spring electromagnetic lock 130 is: the front end of the shell 132 is provided with a baffle plate 133, and collinear through holes are formed in the baffle plate 133 and the bottom of the shell 132 of the spring electromagnetic lock 130; an electromagnet and a radial spring 135 are arranged in a shell 132 of the spring electromagnetic lock 130, and an electromagnet coil 134 is arranged on the periphery of the spring 135; the tongue of the lock core 131 is arranged in front of the baffle sheet 133, and the handle rod at the tail end is inserted into the front through hole and penetrates through the spring 135; the post rod 136 is inserted into the rear through hole and passes through the spring 135, and is fixedly connected with the stem rod. The tact switch 140 is fixed to the rear of the plunger 136.
As shown in fig. 2 and 3, in the present embodiment, in order to realize the self-locking function of the battery cover 103, the battery cover 103 and the lower housing 102, which are adjacent to the main housing and opposite to the side of the key 300 passage, of the battery compartment are provided with a locking groove 106; a clamping piece 151 is arranged in the main shell, the left end of the clamping piece 151 faces the clamping groove 106 and is provided with a hooked part, the right end of the clamping piece 151 is arranged on the inner side of the channel of the key 300 and is fixed between the rotating shaft 153 and the shell 132 of the spring electromagnetic lock 130 through the rotating position of the rotating shaft 153; a return spring 152 is arranged in the main shell, and two ends of the return spring are respectively connected with the clamping piece 151 and the shell 132 of the spring electromagnetic lock 130.
According to the arrangement of the structure, when the key 300 is not inserted into the lock body, the tongue of the lock core 131 is extended into the channel of the key 300 by the elastic force of the spring 135, and the left end of the clamping piece 151 is propped against the clamping groove 106 by the elastic force of the return spring 152; the state corresponds to the state after the user takes the shopping cart, the battery cover 103 is in a self-locking state, the battery 120 cannot be taken out randomly in the process, and the normal work of the circuit module is guaranteed.
When a user needs to return the cart, in the process that the key 300 is completely inserted into the lock body, the key 300 enables the tongue of the lock core 131 to be contracted and then clamped in the lock groove through the elastic force of the spring 135, the front end of the key 300 jacks up the right end of the clamping piece 151, the hooking part at the left end of the clamping piece 151 is enabled to be separated from the clamping groove 106, at the moment, the battery cover 103 is separated from the self-locking state, management and maintenance of managers are facilitated, and in the state, even if the battery 120 is taken out, adverse effects on an operation mechanism cannot be caused due to the fact that the cart is already in a cart returning state;
when a vehicle needs to be taken out, when the spring electromagnetic lock 130 receives an unlocking signal, the electromagnet is electrified for a short unit time, the spring 135 is contracted to drive the tongue of the lock cylinder 131 to leave the lock groove, meanwhile, the return spring 152 is firstly in a compressed state, after the lock cylinder 131 is not clamped, the elastic force of the return spring automatically drives the clamping piece 151 to return, the key 300 is ejected out of the channel of the key 300, and the key 300 is conveniently taken out and the lock state is conveniently reset.
During the operation of returning or taking the car, no matter the key 300 is inserted or the electromagnet is electrified, the spring 135 contracts to enable the ejector rod 136 to contact the tact switch 140, and the tact switch 140 is triggered to send a level signal to the wireless module.
The mobile terminal is connected with an upper computer by scanning the two-dimensional code and sends an unlocking signal to the spring electromagnetic lock 130 by the upper computer; the upper computer receives a first light touch switch 140 level signal after sending the unlocking signal and is used for confirming that unlocking is successful, and a second light touch switch 140 level signal is used for confirming that returning to the vehicle is successful.
That is, the lock state can be confirmed with a simple structure by providing the stem 136 and the tact switch 140.
Further, in consideration of the ease of use and the further cost reduction, the embodiment uses wifi as the carrier of wireless communication, the wireless module uses wifi wireless communication module, and the circuit board 110 is further provided with a buzzer. The wireless module is in wireless connection with the upper computer through wifi, and the mechanism that the buzzer alarms is triggered when the wireless module cannot detect that the wifi signal exceeds the threshold time is determined. The buzzer may also serve other warning functions, such as triggering a buzzer alarm mechanism to prevent failure of the circuit module in the event that the battery 120 is low.
For example, considering the use scene of a conventional supermarket store, the existing supermarket store basically covers wifi in a commercial scene, and the wifi has a specific label, so that the normal interaction with an upper computer in the scene of the supermarket store can be ensured as long as the wireless module is set to be only capable of identifying and connecting the specific wifi, and the normal use of the functions of the wireless module is realized. And for supermarket stores, wifi generally only covers the conventional commercial activity scene, and if the shopping cart leaves the wifi coverage range for more than a certain time, the automatic alarm mechanism can effectively prevent theft or mistaken taking and the like. The scheme has the advantages that the existing resources are fully utilized, and the cost is greatly reduced.
Further, by adopting the scheme of the embodiment, the shopping cart can also be applied to temporary leasing in open scenes such as farmer markets and the like. In the conventional scheme of the unitary coin lock, security personnel or operation such as fence addition to a supermarket of a shopping mall can ensure the effectiveness of management and maintenance. And if the scheme of the embodiment is adopted, effective management can be realized only by matching with wifi coverage. In order to manage and maintain the accuracy, a positioning module (for example, a positioning chip using zigbee technology or the like) may be added on the circuit board 110, so as to facilitate background management and confirm the real-time position of the shopping cart.
In addition, by adopting the scheme of the embodiment, the shopping cart can be further expanded to scenes such as 'shared shopping cart' and the like, the fetching and returning point of one shopping cart is preset, and specific wifi is covered, the threshold time is set to be reserved and set through the mobile terminal, and the wider application prospect can be realized on the premise of low cost.
In the scheme of the embodiment, through the connection between the user mobile terminal (account) and the upper computer (management system), the management effectiveness is also obviously superior to that of the existing lockset device adopting a unitary coin, and the functions of advertisement putting, member management and the like can be further derived while the management safety of the shopping cart is ensured.
The present invention is not limited to the above preferred embodiments, and any person can derive other shopping cart intelligent locks of various forms according to the teaching of the present invention.
Claims (6)
1. A shopping cart intelligence lock, characterized by, includes: the lock body and the key are connected through a short chain; a circuit board and a battery are installed in the lock body, and a spring electromagnetic lock, a touch switch and a wireless module respectively connected with the spring electromagnetic lock and the touch switch are arranged on the circuit board; the lock body is also provided with a key hole and a key channel, and the spring electromagnetic lock is arranged beside the key channel; a push rod penetrating through the rear part of the spring electromagnetic lock is fixed at the tail end of a lock cylinder of the spring electromagnetic lock, and the tact switch is fixed behind the push rod; one end of the short chain is fixed on one side of the lock body opposite to the key hole, and the length of the short chain is smaller than the length from the fixed end to the outer peripheral part of the lock body of the key hole.
2. The shopping cart smart lock of claim 1, comprising: and the lock body is provided with a two-dimensional code label.
3. The shopping cart smart lock of claim 2, comprising: the outer shell of the lock body consists of an upper shell, a lower shell and a battery cover; the circuit board is arranged in a main shell formed by the upper shell and the lower shell; the battery is arranged in a battery compartment formed by the upper shell, the lower shell and the battery cover; the battery cover and the lower shell of the battery bin are adjacent to the main shell and opposite to one side of the key channel; the main shell is internally provided with a clamping piece, the left end of the clamping piece faces the clamping groove and is provided with a hooking part, and the right end of the clamping piece is arranged on the inner side of the key channel and is rotationally fixed between the rotating shaft and the shell of the spring electromagnetic lock through the rotating shaft; and a return spring with two ends respectively connected with the clamping piece and the shell of the spring electromagnetic lock is arranged in the main shell.
4. The shopping cart smart lock of claim 3, comprising: the front end of the shell of the spring electromagnetic lock is provided with a baffle plate, and collinear through holes are formed in the baffle plate and the bottom of the shell of the spring electromagnetic lock; an electromagnet and a radial spring are arranged in a shell of the spring electromagnetic lock; the tongue of the lock cylinder is arranged in front of the baffle, and the handle rod at the tail end is inserted into the front through hole and penetrates through the spring; the ejector rod is inserted into the rear through hole, penetrates through the spring and is fixedly connected with the handle rod.
5. The shopping cart smart lock of claim 4, comprising: the tongue of lock core is inverted triangle, the lateral part symmetry of key is provided with two inverted triangle's locked groove.
6. The shopping cart smart lock of claim 1, comprising: and the circuit board is also provided with a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922172569.7U CN211448150U (en) | 2019-12-06 | 2019-12-06 | Intelligent lock for shopping cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922172569.7U CN211448150U (en) | 2019-12-06 | 2019-12-06 | Intelligent lock for shopping cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211448150U true CN211448150U (en) | 2020-09-08 |
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ID=72316203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922172569.7U Expired - Fee Related CN211448150U (en) | 2019-12-06 | 2019-12-06 | Intelligent lock for shopping cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211448150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778216A (en) * | 2019-12-06 | 2020-02-11 | 福州金典工业产品设计有限公司 | Shopping cart intelligent lock and control method |
-
2019
- 2019-12-06 CN CN201922172569.7U patent/CN211448150U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778216A (en) * | 2019-12-06 | 2020-02-11 | 福州金典工业产品设计有限公司 | Shopping cart intelligent lock and control method |
| CN110778216B (en) * | 2019-12-06 | 2023-12-22 | 苏州市意润达智能科技有限公司 | Intelligent lock of shopping cart and control method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20211206 |