TW201801949A - Intelligent stamp with locking mechanism - Google Patents

Abstract

An intelligent stamp with a locking mechanism, comprising an upper cover, a lower cover, a check ring, a turnover mechanism, a locking mechanism, and a first stepping motor. When the intelligent seal with the locking mechanism is in an initial state, a stamp cushion is provided in a stamp cushion sleeve, and is hidden in an accommodating space with a stamp surface facing upwards. A stamp cover is covered on the lower cover. When a stamping operation is required, the locking mechanism moves to unlock the turnover mechanism, then the first stepping motor drives the turnover mechanism to turn around the center of a left rotating shaft by 180 degrees, and at this moment, the stamp surface of the stamp cushion faces downwards and is exposed; and then the intelligent stamp can be put flat at the position where stamping is required to be pressed down vertically, and an elastic piece contracts upwardly. The intelligent stamp can effectively prevent a user from stamping privately.

Description

Smart seal with locking mechanism

The invention relates to the field of intelligent office equipment, in particular to an intelligent seal with a locking mechanism.

With the development and popularity of computers, paper files are slowly changing to electronic files, which can save resources and improve efficiency. Specific paper contracts can use electronic contracts, paper invoices can use electronic invoices, and so on. Traditionally, paper contracts and paper invoices need to be stamped with an official seal to prevent counterfeiting and tampering. After conversion to electronic files, corresponding technologies such as electronic certificates and electronic signatures based on computer encryption technology can be added to electronic files to prevent forgery and tampering. It has been adopted by the laws of most countries. Approved.

But the transition from paper files to electronic files requires a long process. At present, electronic files can be used in some cases, and paper files can be used in other cases. In addition, during the use process, it is stipulated that the two forms must exist at the same time. In the case of using an electronic file, a paper file is reserved for backup at the same time.

There are still some restrictions on the use of electronic seals. At present, the use on the PC is more mature. You can use the electronic password key by plugging it into the USB port of the PC. But if you are on a business trip, you also need to take it with you, which is easy to lose. It is increasingly popular to work on mobile phones and PADs. Due to system and interface limitations, electronic password keys cannot be used.

It can be seen from the foregoing scenarios that the electronic official seal and the physical official seal have the same function, both to prevent forgery and tampering, but their use is currently split. Electronic official seals usually exist in the form of electronic cryptographic keys, and physical official seals are still traditional physical The official seal is also inconsistent from use to storage, causing a lot of confusion for the enterprise.

Moreover, in China, the seal represents the legally authorized authorization or recognition of the document by the corresponding enterprise of the seal, so the use of the official seal is very serious. If the use of the official seal cannot be effectively supervised and managed, and the custodian of the official seal affixes a seal to a file that has not been approved by the company, the remedy after the fact can often only be raised to legal proceedings, which is time-consuming and labor-intensive. Cause huge losses to the enterprise.

The purpose of the present invention is to provide a smart seal with a locking mechanism, which adopts a mechanical locking method, so that even if the holder is not authorized to pass the seal when it is not authorized to pass, it is only authorized to pass. The stamping action can be completed by the holder.

The invention adopts the following technical solutions to solve technical problems: an intelligent seal with a locking mechanism;

The seal includes an upper cover, a lower cover, a retaining ring, a turning mechanism and a first stepping motor;

The bottom of the lower cover is provided with a circular opening, and the lower end of the upper cover is fixed to the lower cover;

The retaining ring is cylindrical and is located directly above the circular opening; the upper end of the retaining ring is fixed on the upper cover, and the lower end of the retaining ring is fixed on the lower cover;

The turning mechanism includes a left rotation shaft, a right rotation shaft, a rotating upper cover, a rotating lower cover, a first spring, and a pad cover;

The left rotation shaft is rotatably disposed between the retaining ring and the lower cover, and is located on a radial left side of the retaining ring; the right rotation shaft is disposed between the retaining ring and the lower cover, and Located on the radial right side of the retaining ring;

The rotating lower cover is in the shape of a rotator. The radial ends of the rotating lower cover are respectively fixed to the left and right rotation shafts. The lower end of the rotating lower cover is located in a circular opening of the lower cover. Inside;

The rotating lower cover is provided with a receiving slot for receiving a first spring, and the first spring is disposed in the receiving slot;

The rotating upper cover is in the shape of a rotator, and the radial ends of the rotating upper cover are respectively fixed to the left and right rotation shafts, and the pad cover is disposed in the rotating upper cover and can be moved along the rotation cover. Rotating the upper cover in the axial direction, sliding on the inner side wall of the rotating upper cover; the first spring is mounted on the pad cover;

The first stepping motor is fixed on the lower cover, and its output shaft is drivingly connected to the left rotation shaft;

The locking mechanism includes a second stepping motor, a cam, and a locking plate, the cam is fixed to an output shaft of the second stepping motor; a groove is provided on the retaining ring in a horizontal direction, and the locking plate can be Slidingly arranged in the slot, and the lock piece is provided with a counterbore that cooperates with the cam. When the second stepping motor drives the cam to rotate, the cam can drive the lock piece to move linearly, so that the lock The sheet can enter and leave the inside of the retaining ring; when the locking piece is located in a groove located on the retaining ring, the locking piece can lock the turning mechanism, and when the locking piece When the sheet leaves from the groove located on the retaining ring, the turning mechanism can rotate.

Optionally, a contact surface between the rotating lower cover and the lower cover is a spherical surface, and a spherical surface matching the spherical surface of the rotating lower cover is formed at a circular opening of the lower cover.

Optionally, the accommodating grooves are vertically arranged, and the number of the accommodating grooves is three or four, and the accommodating grooves are evenly distributed along the circumferential direction of the rotating lower cover.

Optionally, an end of the rotating upper cover remote from the left and right rotation shafts protrudes inwardly to form an inner flange; a stop ring is formed on an outer side wall of the pad cover, and the stop ring Cooperate with the inner flange; the first spring is in a pre-compressed state.

Optionally, the surface on which the rotating upper cover is combined with the retaining ring is a spherical surface, and the spherical surface of the rotating upper cover can be matched with the spherical surface of the lower cover.

Optionally, the smart seal with a locking mechanism further includes a position switch or a pot piece, and the position switch or the pot piece is provided on the rotating lower cover, and when the pad cover is close to the rotating bottom When the lid is covered, the travel switch or the pan piece is triggered.

Optionally, the smart seal with a locking mechanism further includes an elastic piece and a second spring; the number of the elastic pieces is two, and the cross-section is arc-shaped; the openings of the two elastic pieces are opposite to each other; An arc groove is provided for guiding the elastic piece; one end of the second spring is abutted on the upper cover, and the other end is abutted on the elastic piece.

Optionally, the smart seal with a locking mechanism further includes a control system, where the control system includes an MCU control unit, and a storage unit, a communication unit, an identification unit, and a display unit that are signally connected to the MCU control unit; The travel switch or pan-chip signal is connected to the MCU control unit; and the MCU control unit is connected to the first stepper motor and the second stepper motor through a relay, respectively.

The present invention has the following beneficial effects: In the initial state of the intelligent seal with a locking mechanism of the present invention, a printing pad is set in the printing pad cover, and its seal face faces upward and is hidden inside the accommodation space; the seal cover On the lower cover; when the stamping operation is needed, the first stepping motor drives the turning mechanism to turn 180 ° around the center of the left rotation axis, at this time, the seal surface of the pad is facing down and exposed; then, the belt can be locked The intelligent seal of the mechanism is placed flat on the position where the seal is needed, and it is pushed down vertically, and the shrapnel shrinks upward, and the control of the pad is controlled by the control of the first stepper motor, which effectively prevents the user from privately stamping the seal. behavior.

The technical solution of the present invention will be further described below with reference to the embodiments and the accompanying drawings.

Example 1

This embodiment provides an intelligent seal with a locking mechanism, which includes an upper cover 301, a lower cover 302, a retaining ring 303, a turning mechanism, a locking mechanism, a first stepping motor 304, and a control system.

The bottom of the lower cover is provided with a circular opening, and the lower end of the upper cover is fixed to the lower cover, so that there is an accommodation space between the upper cover and the lower cover, so that the Other components of the smart seal, such as a turning mechanism, a retaining ring, and a first stepping motor, are placed in the accommodation space.

The retaining ring is cylindrical and is located directly above the circular opening, that is, the hollow portion of the cylindrical retaining ring coincides with the axis of the circular opening; the upper end of the retaining ring is fixed to The upper cover is fixed, and the lower end is fixed on the lower cover.

The turning mechanism includes a left rotation shaft 305, a right rotation shaft 306, a rotating upper cover 307, a rotating lower cover 308, a first spring 309, and a pad cover 310;

Referring to FIG. 1, the axis of the left rotation axis and the axis of the right rotation axis coincide, and the left rotation axis is rotatably disposed between the retaining ring and the lower cover, and is located on a radial left side of the retaining ring; The right rotation shaft is disposed between the retaining ring and the lower cover, and is located on the radial right side of the retaining ring. In this embodiment, the left rotation shaft and the right rotation can be opened on the retaining ring. A through hole of the shaft, so that the left and right rotation shafts can be located in the through hole and between the retaining ring and the lower cover.

The rotating lower cover is in the shape of a rotator, and two ends of the rotating lower cover in the radial direction are respectively fixed to the left and right rotating shafts. In this embodiment, the lower end of the rotating lower cover is located at the lower portion. In the circular opening of the cover, a contact surface between the rotating lower cover and the lower cover is a spherical surface, and at the same time, a spherical surface matching the spherical surface of the rotating lower cover is formed at the circular opening of the lower cover.

The rotating lower cover is provided with an accommodating groove for accommodating a first spring, and the accommodating groove is vertically arranged. In this embodiment, the number of accommodating grooves may be three, four, etc. The receiving grooves are uniformly distributed along the circumferential direction of the rotating lower cover, and the first spring is disposed in the receiving groove.

The rotating upper cover is in the shape of a rotator, and the radial ends of the rotating upper cover are respectively fixed to the left and right rotation shafts. In this embodiment, the pad cover is slidably disposed on the rotation. Inside the upper cover, that is, the pad cover can slide along the inner wall of the rotating upper cover in the axial direction of the rotating upper cover. In this embodiment, in order to effectively fix the position of the pad cover, the upper end of the rotating upper cover (the end far from the left and right rotation shafts) is protruded inward to form an inner flange, At the same time, a retaining ring is formed on the outer side wall of the pad cushion, and the stop ring cooperates with the inner flange; and the upper end of the first spring is abutted on the pad cushion, and the first A spring is in a pre-compressed state; so that the first spring pushes the pad cushion upward, so that the retaining ring contacts the inner flange, so that the pad cushion cannot rotate along the The upper cover slides freely in the axial direction.

In this embodiment, preferably, the surface where the rotating upper cover is combined with the retaining ring is also a spherical surface, and the spherical surface of the rotating upper cover may also be matched with the spherical surface of the lower cover. When the turning mechanism is turned over The spherical surface of the rotating upper cover is matched with the spherical surface of the lower cover, so that the rotating upper cover is located in a circular opening of the lower cover.

In this embodiment, in order to drive the left and right rotation shafts to rotate, in this embodiment, the first stepping motor is fixed on the lower cover, and its output shaft is drivingly connected to the left rotation shaft. The turning mechanism is driven to be turned by the first stepping motor.

The locking mechanism includes a second stepper motor 316, a cam 317, and a lock piece 318, and the cam is fixed to an output shaft of the second stepper motor so that the second stepper motor can drive the cam Rotate; a groove is provided on the retaining ring in a horizontal direction, the lock piece is slidably disposed in the groove, and the lock piece is provided with a counterbore that cooperates with the cam. When the second step When the input motor drives the cam to rotate, the cam can drive the locking piece to move linearly, so that the locking piece can enter the inside of the retaining ring and leave from the inside of the retaining ring; in this embodiment, the bottom surface of the groove and the The upper surface of the rotating upper cover is on the same plane, or slightly higher than the rotating upper cover, so that when the locking piece is located in the groove, the locking piece can lock the turning mechanism, so that the turning mechanism cannot rotate, When the locking piece leaves from the slot, the turning mechanism can rotate; in this embodiment, the locking piece can pass through the slot and is located inside the retaining ring to realize the Locking of the turning mechanism.

When the smart seal with a lock mechanism is used, in order to effectively detect the number of times the smart seal with a lock mechanism is used, in this embodiment, the smart seal with a lock mechanism further includes a detection device 312. The detection device is a travel switch or a pot piece. The travel switch or the pot piece is provided on the rotating lower cover. When stamping, the pad cover will approach the rotating lower cover and trigger the The stroke switch or pot piece is acted to realize the identification of the stamping operation. When the number of triggers is counted, the function of counting the number of stamps can be realized.

In this embodiment, in order to realize the pop-up of the smart seal with a locking mechanism when stamping, the smart seal with a locking mechanism further includes an elastic piece 313 and a second spring 314. In this embodiment, The number of the elastic pieces is two, and the cross section of the elastic pieces is circular. The lower cover is provided with an arc groove for guiding the elastic pieces. One end of the second spring is abutted on the upper cover. The other end is mounted on the elastic piece.

In this embodiment, the smart seal with a locking mechanism further includes a seal cover 315, and the seal cover may be fixed to the lower cover by threads, or snap-fitted to the lower cover to pass through. The seal cover effectively protects the intelligent seal with a locking mechanism. When the seal cover is covered on the lower cover, it can press the elastic sheet into the accommodating space of the upper cover and the lower cover.

In the initial state of the intelligent seal with a locking mechanism of the present invention, the printing pad is set in the printing pad cover, and the seal face is facing up, and is hidden inside the accommodation space; the seal cover is covered on the lower cover; During the stamping operation, first remove the stamp cover. At this time, the shrapnel is extended downward under the action of the second spring to support the entire smart seal with a locking mechanism. After that, the second stepping motor starts to work and locks the lock. The sheet is rotated out of the groove of the retaining ring, so that the turning mechanism is unlocked; then the first stepping motor starts to work, driving the turning mechanism to turn 180 ° around the center of the left rotation axis, at this time, the chapter of the pad is facing down, and Exposed; Then, you can place the smart seal with the locking mechanism flat on the position where you need to stamp, press it down vertically, the shrapnel will shrink up, and the seal pad will move upward when the seal surface touches the paper. There is a protrusion on the stamp pad cover which is directly opposite the travel switch or pot piece. Press the travel switch or pot piece to issue the seal completion instruction. When the seal is completed, release the intelligence with the locking mechanism. Seal, shrapnel will have the wisdom of the locking mechanism The stamp springs up, the first stepping motor rotates the turning mechanism by 180 °, the stamp face of the stamp pad faces up, and is hidden inside the accommodation space; at this time, the second component motor rotates to drive the lock plate to rotate and make the lock plate Enter the groove of the retaining ring to lock the turning mechanism.

In this embodiment, in order to control the first stepper motor and the second stepper motor, the control system includes an MCU control unit, and a storage unit, a communication unit, and an identification device that are signally connected to the MCU control unit. Unit and display unit.

In this embodiment, the storage unit is used to store an operating system, and the MCU control unit runs the operating system and performs data communication with an external network (server) through the communication unit, thereby realizing the control system and the server And the identity recognition unit may include a fingerprint recognition module, an iris recognition module, a vein recognition module, etc .; the identity recognition unit may recognize the fingerprint recognition module, the iris recognition module, and the vein recognition module. The characteristics of the applicant are sent to the MCU control unit, and the MCU control unit sends the characteristics of the applicant it has received to the server to issue an authorization application. In this embodiment, the display unit may be a capacitive touch screen, and various functions can be controlled through the capacitive touch screen.

After the authorization application is passed, the MCU control unit controls the second stepping motor to rotate, so that the turning mechanism is unlocked, and then the first stepping motor is rotated, the turning mechanism is operated to rotate 180 degrees, and then the action of the first stepping motor is stopped; Can be stamped at any time.

And each time the stamp is stamped, the travel switch or pot piece is triggered once, and the travel switch or pot piece is signally connected to the MCU control unit to send the trigger signal to the MCU control unit The MCU control unit counts the trigger signal; when the count value reaches the authorized number of times or the turning mechanism is rotated 180 degrees and held for a certain time, such as 10 seconds, the MCU control unit controls the first stepper motor to reverse Rotate 180 degrees, so that the pad is contained in the accommodation space.

At the same time, the communication unit can also integrate functions such as base stations, WIFI, Bluetooth, GPS, etc. Therefore, the telecommunication base station number, IP address, geographic longitude, and latitude information where the stamping operation occurred can be jointly sent to the servo At the device end, the server performs comprehensive positioning based on the above information to obtain the current location of the smart seal with the locking mechanism.

The authorization of the present invention can be completed in the following ways. When the applicant performs identity recognition through the identification unit, an authorization application is initiated to the server, and the server allocates the authorization application to the authorized client. After receiving the authorization reply, the smart seal of the locking mechanism performs corresponding actions. In this embodiment, the authorization permission includes a combination of three factors, namely, the authorized person, the authorized time, and the number of authorized times, so as to compare whether the identity characteristic information of the applicant matches the identity characteristic information in the authorized person list, or not. Need to compare, anyone is authorized. The authorization period refers to the authorization that remains valid for a specified period of time, during which the authorization application is valid, and the authorization is not granted or the authorization expires outside this period. The number of authorizations is the number of stamps allowed at one time. Authorizers can issue authorization licenses to the service system in advance, or when the service system receives authorization requests, the authorizers then issue corresponding authorization licenses. Each smart seal with a lock mechanism has a unique number in the system. The service system receives a request for the smart seal with a lock mechanism with the applicant's identity characteristic information to match the current authorization permission to achieve authorization response.

In this embodiment, in order to combine the electronic official seal and the physical official seal for the convenience of the user, the smart seal also has the function of an electronic seal, that is, the control system further includes a USB HUB, so that the smart seal also returns It can be connected to a computer (server or personal PC) through this USB HUB, and the MCU control chip runs the USB DEVICE protocol, and the electronic password key chip also runs the USB DEVICE protocol. Both of them serve as two independent USB DEVICE devices and are connected through the USB HUB. To a PC, so that the smart seal has the function of a traditional electronic official seal.

In addition, the MCU control chip can also be converted into a network server mode. At this time, it is no longer connected to a computer. Instead, it binds its dynamic IP address to a specific function variable name through the DDNS protocol. Other devices provide network services. At this time, it runs the USB HOST protocol, and can operate the electronic password key running the USB DEVICE protocol, thereby converting the electronic official seal function into a network WEB SERVICE call.

The sequence of the above embodiments is merely for convenience of description, and does not represent the merits of the embodiments.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, rather than limiting them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still Modifications to the technical solutions described in the foregoing embodiments, or equivalent replacements of some of the technical features thereof; and these modifications or replacements do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

301‧‧‧ Top cover 302‧‧‧ Lower cover 303‧‧‧ Retaining ring 304‧‧‧ First stepper motor 3005‧‧‧ Left shaft 306‧‧‧ Right shaft 307‧‧‧ Rotate the upper cover 308‧‧‧ Rotating lower cover 309‧‧‧ first spring 31010‧‧‧ pad cover 3111‧‧‧ pad 3112‧‧‧ detection device 3113‧‧‧ shrapnel 3114‧‧‧ second spring 3115‧‧‧ seal cover 3116‧‧ ‧Second stepper motor 317‧‧‧Cam 318‧‧‧Lock

FIG. 1 is a schematic structural diagram of a smart seal with a locking mechanism according to the present invention. FIG. 2 is a schematic diagram of the structure with the stamp cover removed in FIG. 1 (the shrapnel is ejected). FIG. 3 is a bottom view of FIG. 2. FIG. 4 is a schematic structural view of the turning mechanism in FIG. 2 after being rotated 180 degrees. FIG. 5 is a schematic structural diagram of a control system of the present invention.

301‧‧‧ Upper cover

302‧‧‧Under cover

303‧‧‧Retaining ring

304‧‧‧The first stepping motor

305‧‧‧left rotation shaft

306‧‧‧right shaft

307‧‧‧Swivel cover

308‧‧‧Rotating lower cover

309‧‧‧first spring

310‧‧‧print pad cover

311‧‧‧print pad

312‧‧‧testing device

313‧‧‧ shrapnel

314‧‧‧second spring

315‧‧‧Stamp

316‧‧‧Second stepper motor

317‧‧‧cam

318‧‧‧ lock plate

Claims (8)

An intelligent seal with a locking mechanism is characterized in that it includes an upper cover, a lower cover, a retaining ring, a turning mechanism, a locking mechanism and a first stepping motor; a circular opening is formed at the bottom of the lower cover, and the upper cover The lower end of the retaining ring is fixed to the lower cover; the retaining ring is cylindrical and is located directly above the circular opening; the upper end of the retaining ring is fixed to the upper cover, and the lower end of the retaining ring is fixed to the upper cover; The lower cover; the turning mechanism includes a left rotation shaft, a right rotation shaft, a rotating upper cover, a rotating lower cover, a first spring and a pad cover; the left rotating shaft is rotatably disposed on the retaining ring and the lower cover And is located on the left side in the radial direction of the retaining ring; the right rotation shaft is disposed between the retaining ring and the lower cover and is located on the right side in the radial direction of the retaining ring; the rotating lower cover rotates In a body shape, two ends of the rotating lower cover in the radial direction are respectively fixed to the left and right rotating shafts, and the lower end of the rotating lower cover is located in a circular opening of the lower cover; An accommodating groove for accommodating a first spring is opened on the first spring, and the first spring is disposed in the accommodating groove; The rotating upper cover is in the shape of a rotator. The radial ends of the rotating upper cover are respectively fixed to the left and right rotating shafts. The pad cover is disposed in the rotating upper cover and can be moved along the rotating cover. Rotate the upper cover in the axial direction and slide on the inner side wall of the rotating upper cover; the first spring is mounted on the pad cover; the first stepping motor is fixed on the lower cover, and its output shaft It is drivingly connected to the left rotation shaft; the locking mechanism includes a second stepping motor, a cam and a locking plate, the cam is fixed to the output shaft of the second stepping motor; the retaining ring is in a horizontal direction A slot is provided, and the lock piece is slidably disposed in the slot. The lock piece is provided with a counterbore that cooperates with the cam. When the second stepping motor drives the cam to rotate, the cam The lock piece can be driven to move linearly, so that the lock piece can enter and leave the inside of the retaining ring; when the lock piece is located in a groove on the retaining ring, the lock piece can be locked In the turning mechanism, when the locking piece is located in a groove on the retaining ring, When open, the inverting mechanism can be rotated. The smart seal with a locking mechanism according to item 1 of the scope of the patent application, wherein the contact surface between the rotating lower cover and the lower cover is a spherical surface, and the circular opening of the lower cover forms a contact surface. The spherical surface matching the spherical surface of the rotating lower cover is described. The smart seal with a locking mechanism according to item 2 of the scope of patent application, wherein the receiving grooves are vertically arranged, and the number of the receiving grooves is three or four, and the receiving grooves rotate along the rotation. The lower cover is evenly distributed in the circumferential direction. The smart seal with a locking mechanism according to item 3 of the scope of the patent application, wherein the end of the rotating upper cover far from the left and right rotation shafts protrudes inward to form an inner flange; A retaining ring is formed on an outer side wall of the pad cover, and the retaining ring cooperates with the inner flange; the first spring is in a pre-compressed state. The smart seal with a locking mechanism according to item 4 of the scope of patent application, wherein the surface of the rotating upper cover and the retaining ring is spherical, and the spherical surface of the rotating upper cover can be connected to the lower cover. Spheres fit. The smart seal with a locking mechanism according to item 5 of the scope of the patent application, further comprising a travel switch or a pot piece, which is provided on the rotating lower cover. When the printing pad cover is close to the rotating lower cover, the stroke switch or the pot piece is triggered. The smart seal with a locking mechanism according to item 6 of the scope of the patent application, further comprising an elastic piece and a second spring; the number of the elastic pieces is two, and the cross section is arc-shaped; two elastic pieces The openings are opposite to each other; the lower cover is provided with an arc groove for guiding the elastic piece; one end of the second spring is provided on the upper cover and the other end is provided on the elastic piece. The smart seal with a locking mechanism according to item 7 of the scope of the patent application, further comprising a control system, wherein the control system includes an MCU control unit, and a storage unit and a communication unit that are signally connected to the MCU control unit. An identity recognition unit and a display unit; the travel switch or pan-chip signal is connected to the MCU control unit; and the MCU control unit is connected to the first stepper motor and the second stepper motor through a relay, respectively.