CN110561932B

CN110561932B - Intelligent stamp

Info

Publication number: CN110561932B
Application number: CN201910916567.6A
Authority: CN
Inventors: 钱骞; 吴锦涛; 张淑怡; 陈炜峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-07-07
Anticipated expiration: 2039-09-26
Also published as: CN110561932A

Abstract

The invention provides an intelligent stamp which comprises a shell, wherein an identity recognition device is arranged on the side wall of the shell, a cavity is formed in the shell, and a circuit board, a stamp support, a locking mechanism and a battery are arranged in the cavity; the seal support is arranged at the lower end of the cavity in a sliding mode, a first contact switch is arranged at the upper end of the seal support, and when the seal support moves to an upper limit position, the guide rod can trigger the first contact switch; the locking mechanism is positioned above the stamp support and comprises a driving motor, a stop lever and a stop pin, the stop pin is horizontally matched in the cavity in a sliding manner, and when the stamp support moves to the upper limit position, the clamping part is clamped in the arc-shaped groove; the stop lever is vertically and slidably arranged in the cavity, and the upper end of the stop lever is provided with an eccentric wheel. The intelligent seal is compact in structure, high in stability, convenient and fast to assemble and simple to operate.

Description

Intelligent stamp

Technical Field

The invention relates to a seal, in particular to an intelligent seal.

Background

The seal is an important seal for a company to process internal and external affairs, the stamped file represents the authorization of the company and has legal efficacy, so the seal is important to the storage of the seal, particularly the official seal of the company, so the company generally has a set of complete seal using system for standardizing the legal use of the seal, the seal is generally stored by special personnel in the company for managing the normal use of the seal, and after the seal is lent or lost, the seal has the risk of being illegally used.

Disclosure of Invention

【1】 Technical problem to be solved

The invention aims to solve the technical problem of providing an intelligent seal which is simple and compact in structure, good in locking effect and high in safety coefficient.

【2】 Technical scheme for solving problems

The invention provides an intelligent stamp which comprises a shell, wherein an identity recognition device is arranged on the side wall of the shell, a cavity is formed in the shell, and a circuit board 22, a stamp support, a locking mechanism, a cover body 104 and a battery 21 are arranged in the cavity;

the seal support 3 is arranged at the lower end of the cavity in a sliding manner, a first elastic component 52 enabling the seal support to move downwards is arranged in the cavity, a seal body is arranged in the seal support, a working surface at the lower end of the seal body is positioned outside the seal support, when the working surface is positioned at an upper limit position, the working surface is positioned in the cavity, when the working surface is positioned at a lower limit position, the working surface is positioned outside the cavity, a guide rod 5 is vertically fixed at the upper end of the seal support, an arc-shaped groove is formed in the side wall of the guide rod, a first contact switch 4 is arranged right above the upper end of the guide rod, and when the seal support moves to an upper limit position, the guide rod can trigger the first contact switch 4;

the locking mechanism is positioned above the stamp support and comprises a driving motor 23, a stop lever 25 and a stop pin 26, the stop pin is horizontally matched in the cavity in a sliding manner, a clamping part which can be clamped into the arc-shaped groove is arranged at the head part of the stop pin, and a second elastic component which enables the stop pin to have a movement trend close to the arc-shaped groove is arranged in the cavity; the stop lever 25 is vertically matched in the cavity in a sliding manner, a third elastic component which enables the stop lever to move upwards is arranged in the cavity, and when the stamp support moves to an upper limit position, the clamping part can be clamped into the arc-shaped groove of the guide rod; the driving motor is horizontally arranged, an eccentric wheel 24 is arranged at the output end of the driving motor, the eccentric wheel is positioned right above the stop lever and is used for driving the stop lever to move, and when the eccentric wheel moves to a lower limit position, the side wall of the stop lever is in contact with the end face of the rear end of the stop pin;

the cover body is used for covering the lower end of the shell, and a protrusion 1042 capable of jacking the stamp support to an upper limit and triggering the first contact switch is arranged on the cover body.

The circuit board is connected with the first contact switch 4, the driving motor 23, the identity recognizing device and the battery respectively.

Furthermore, a second contact switch connected with the circuit board is arranged in the cavity, and the second contact switch can be triggered when the cover body covers the cavity.

Furthermore, the downward elastic force applied to the stamp support is larger than the resistance force generated by the stop pin.

Further, the casing includes shell body 103, the battery compartment body 102, first support body 106 and second support body 107, the upper and lower both ends of casing are uncovered, the battery compartment body first support body with the second support body from top to bottom sets gradually in the shell body, the battery is installed in the battery compartment body, driving motor the pin reaches first contact switch installs on the first support body, the pin that keeps off the guide arm reaches the seal support mounting is in on the second support body.

Furthermore, the lateral wall circumference equipartition of seal support has 3 at least dogs 32, protruding on the lid is annular arch, annular arch with the lid is coaxial, and covers behind the lid, the bellied up end of annular with the dog contact and promote seal support moves to the supreme limit.

Furthermore, the number of the guide rods is four, and the guide rods are uniformly distributed on the top surface of the stamp support in the circumferential direction, wherein one of the guide rods is provided with the contact rod 53 for triggering the first contact switch; the stop pins are in the same number with the guide rods and are in one-to-one correspondence, and the stop rods are coaxial with the seal support.

Further, a sheath 251 is sleeved at the lower end of the stop lever, a chamfer is arranged at the lower end of the sheath, and a clamp spring for fixing the sheath is arranged on the stop lever.

Further, the stop pin comprises a head part 261 and a tail part 262 which are connected in sequence, the sectional area of the head part is larger than that of the tail part, a first arc-shaped surface which is convex outwards is arranged on the end surface of the head part, and the radius of the first arc-shaped surface is smaller than that of the arc-shaped groove; the end face of the tail portion is provided with a second arc-shaped surface which is inwards concave, and the radius of the second arc-shaped surface is larger than or equal to that of the stop lever.

Further, the using method comprises the following steps:

s1, the cover body is taken down, the bulge on the cover body is separated from the second contact switch, the second contact switch gives a feedback signal to the circuit board, and the circuit board activates the identity recognition device after receiving the feedback signal;

s2, after the user passes the identification by the identification device, sending a signal to the circuit board;

s3, the circuit board sends a signal to the driving motor after receiving the signal, the driving motor drives the eccentric wheel to rotate 180 degrees, the stop lever moves upwards under the action of elastic force, so that the side wall of the stop lever is separated from the end part of the stop pin, and the downward elastic force borne by the stamp support is greater than the resistance force generated by the stop pin to the stop pin, so that the stamp support moves to the lower limit position to complete unlocking;

s4, aligning the seal body to the position to be sealed, and pressing downwards to complete sealing;

s5, after stamping is completed, the cover body is stamped at the lower end of the stamp, the stamp body is upwards ejected into the shell by the aid of the protrusions on the cover body, the cover body is completely stamped and closed, the stamp support is ejected to the upper limit by the protrusions, the end part of the stop pin is clamped into the arc-shaped groove of the side wall of the guide rod, the guide rod on the stamp support triggers the first contact switch, the first contact switch sends a sensing signal to the circuit board, the circuit board sends a driving signal to the driving motor after receiving the sensing signal, the driving motor rotates 180 degrees, the side wall of the eccentric wheel pushes the stop rod to move downwards, the side wall of the stop rod is in end face contact with the stop pin, and.

【3】 Advantageous effects

The intelligent seal is compact in structure, high in stability, convenient and quick to assemble and simple to operate; the split structure is adopted, the manufacturing cost is low, the assembly is convenient, and the positioning precision is high; the eccentric wheel structure is adopted, so that the motor load is small, the power consumption is low, and the stability is good; the elastic stamping has good stamping effect and comfortable hand feeling; due to the adoption of the non-standard bolt, illegal disassembly is avoided, and the safety coefficient is high; the anti-lost magnetic suction cover body prevents the cover body from being lost, and is convenient to use; the multiple guide rods are arranged, so that the stability is high; the sheath is arranged, and the service life is long.

Drawings

FIG. 1 is a cross-sectional view of an intelligent stamp of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion D of FIG. 1;

FIG. 4 is an enlarged view of portion B of FIG. 1;

FIG. 5 is an enlarged view of portion C of FIG. 1;

FIG. 6 is a schematic structural view of an eccentric wheel of the intelligent stamp of the present invention;

FIG. 7 is a schematic structural diagram of a stop pin of the intelligent stamp of the present invention;

FIG. 8 is a front view of the stop pin of the intelligent stamp of the present invention.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

Referring to fig. 1 to 8, the present invention provides an intelligent stamp, which includes a housing, an identity recognition device is disposed on the outer side wall of the housing, a cavity is formed in the housing, and a circuit board 22, a stamp support, a locking mechanism, a cover 104 and a battery 21 are disposed in the cavity;

the shell comprises an outer shell 103, a battery cabin 102, a first support body 106 and a second support body 107, the cross section of the shell is circular or oval, the upper end and the lower end of the shell are open, and in order to improve safety, the shell is made of metal in the embodiment; the identity recognition device is arranged on the side wall of the outer shell, and is used for acquiring and recognizing user identity information in detail and matching the user identity information with authorized user information in the library (the authorized users in the library acquire and store in advance), if the user identity information is matched with the authorized user information, the verification is passed, otherwise, the verification is not passed; the identity recognition device can be one or more of a fingerprint recognition device, a card reader or a coded lock (panel); the battery cabin body, the first support body and the second support body are sequentially arranged in the outer shell from top to bottom, the battery cabin body comprises a cabin body and a cabin body cover body, a battery mounting groove is formed in the cabin body, a battery 21 is arranged in the battery mounting groove, the battery is a rechargeable battery, the cabin body cover body is mounted at the open end of the battery mounting groove, a sealing ring is arranged between the cabin body cover body and the cabin body, the cabin body cover body and the cabin body form a whole body and are mounted at the upper end of a cavity of the outer shell, a limiting step surface is arranged on the side wall of the cavity of the shell, after mounting, the lower end of the cabin body is in contact with the limiting step surface and; the outer wall of the cabin body is mutually attached to the inner wall of the cavity, a sealing ring is arranged between the outer wall and the inner wall of the cavity, and an end cover is fixed at the top of the outer shell through a non-standard screw; the second bracket body is arranged at the lower end of the cavity of the outer shell, the first bracket body is arranged between the battery cabin body and the second bracket body, and the first bracket body and the second bracket body are used for installing and fixing all parts; the circuit board 22 is mounted on the top of the first cradle body;

the side wall of the second bracket body is attached to the inner wall of the shell, a sealing ring is arranged between the second bracket body and the inner wall of the shell, the lower end of the second bracket body is provided with an installation cavity with a circular cross section, the seal bracket is slidably matched in the installation cavity, the sliding direction of the seal bracket is parallel to the axis of the shell, up-and-down sliding can be realized, the side wall of the second bracket body is uniformly distributed with a plurality of strip-shaped holes (grooves) along the circumferential direction, the length direction of the strip-shaped holes (grooves) is parallel to the axis of the shell, the side wall of the seal bracket is uniformly distributed with stop blocks 32 along the circumferential direction, the stop blocks are sleeved in the strip-shaped holes (grooves), an annular cavity 1070 is arranged in the side wall of the second bracket body, the annular cavity is coaxial with the seal bracket, the annular cavity can accommodate up-and-down movement of the stop blocks, the lower end surface of the annular, a stamp body is fixed at the lower end of the stamp support, the working surface (pattern surface) of the stamp body is positioned outside the stamp support, and the distance between the lower end surface of the stamp support and the working surface of the stamp body is more than 4 mm; when the stamp support moves to the upper limit position, the working surface is positioned in the cavity, and at the moment, the distance h3 between the working surface and the bottom surface of the shell is more than 3 mm; when the stamp support moves to the lower limit position, the working surface is positioned outside the shell, and at the moment, the distance between the working surface and the bottom surface of the shell is more than 2 mm; the lower end of the mounting cavity extends inwards in the radial direction to form a stopping part, when the mounting cavity moves to a lower limit position, the lower end of the seal support is in contact with the upper end face of the stopping part, a rubber pad is arranged between the stopping part and the contact face of the seal support, and the lower limit position of the seal support can be adjusted in a small range by replacing the rubber pads with different thicknesses, namely the leakage height of the lower end of the seal is adjusted; meanwhile, the stopping part is integrally annular, so that the attractiveness of the structure is improved; the top of the stamp support is fixed with at least four guide rods 5 which are evenly distributed at the top of the stamp support in the circumferential direction, the distance between the axis of the guide rods and the axis of the stamp support is greater than 1/2 of the radius of the stamp support, a guide hole corresponding to the guide rod is arranged on the second bracket body, the guide rod is sleeved in the guide hole, the seal bracket realizes axial sliding through the guide rod, the side wall of the upper end of the guide rod is provided with a limit bulge 51, the limit bulge is used for limiting the lower limit position, a limit surface is arranged on the second bracket body, when the second bracket body moves to the lower limit position, the limiting protrusion contacts with the limiting surface, and a second elastic component 52 is arranged at the upper end of the limiting protrusion, and the second elastic component makes the guide rod move downwards, in this embodiment, the second elastic component is a spring, the lower end face of the guide rod is in contact with the upper end of the limiting bulge, and the upper end of the guide rod is in contact with the first bracket; a first contact switch 4 is arranged right above one of the guide rods, the contact switch is installed on the first support body, a contact rod 53 for triggering the contact switch is arranged at the top of the guide rod, in order to avoid influence on normal triggering caused by manufacturing errors or influence on the service life of the first contact switch caused by overlarge size, a metal elastic sheet 531 is fixed on the end face of the contact rod, the metal elastic sheet is V-shaped or U-shaped and can generate certain deformation to avoid rigid impact to damage the first contact switch, when the contact rod moves to an upper limit, the metal elastic sheet at the end part is in contact with the first contact switch to trigger the first contact switch, at the moment, the distance between the lower end face of the limit protrusion and the limit face is h2, and the distance h2 is the total movement stroke of the stamp support; an arc-shaped groove 271 is arranged on the side wall of the guide rod, the axis of the arc-shaped groove is vertical to the axis of the guide rod, the opening direction of the arc-shaped groove faces the axis of the stamp support, arc-shaped chamfers 272 are arranged at the upper end and the lower end of the arc-shaped groove, second sliding holes with the same number as the guide rod are uniformly distributed in the inner circumference of the second support body, a stop pin 26 is arranged in each second sliding hole in a sliding manner, the stop pin is provided with a head portion 261 and a tail portion 262, the sectional area of the head portion is larger than that of the tail portion, a first arc-shaped surface which is convex outwards is arranged on the end face of the head portion, the radius of the first arc-shaped surface is smaller than that of the arc-shaped groove, a second arc-shaped surface 2620 which is concave inwards is arranged on the end face of the tail portion, a second elastic component is arranged on the stop pin, the second elastic component enables the stop pin to have the trend of moving towards the direction, the head of the stop pin is clamped into the arc-shaped groove of the guide rod, meanwhile, the downward elastic force borne by the seal support is larger than the resistance (friction force) generated by the stop pin to the seal support, namely the downward spring force of the first elastic component to the guide rod, when the seal support is at the upper limit position, the head of the stop pin is positioned in the arc-shaped groove of the guide rod, and the head of the stop pin generates certain pressure to the arc-shaped groove by the second elastic component, so that certain friction force is formed, the friction force is smaller than the downward elastic force generated by the first elastic component to the guide rod, and the seal support can move up and down in an unlocking state, so that normal sealing can be realized; in order to avoid radial rotation of the stop pin, the cross section of at least one of the head part and the tail part of the stop pin is non-circular, in the embodiment, the head part and the tail part of the stop pin are both in a runway shape, and the cross section of the head part is larger than that of the tail part; the second support body is provided with a central hole, the axis of the central hole is coaxial with the stamp support, the central hole is a stepped hole, a stop lever 25 is arranged in the central hole in a sliding manner, the side wall of the stop lever is provided with a third elastic component, the third elastic component enables the stop lever to move upwards, the lower end of the stop lever is sleeved with a sheath 251, the radius of the outer wall of the sheath is smaller than or equal to the radius of a second arc-shaped surface 2620, the lower end of the sheath is provided with a chamfer, the sheath is used for contact of a stop pin, when the stop lever moves to the upper limit, the sheath is positioned at the upper end of the movement path (extension line) of the stop pin, and at the moment, the stop pin can realize axial sliding; when the stop lever moves to the upper limit position, namely the head of the stop pin is clamped into the arc-shaped groove of the guide rod, the stop lever moves to the lower limit position, the sheath is positioned on the movement path of the stop pin, at the moment, the end surface of the stop pin is contacted (attached) with the side wall of the sheath, the state is a locking state, at the moment, the stop pin cannot axially move, so that the guide rod cannot move up and down, and the locking function is achieved; a driving motor 23 is fixed on the first bracket body, the driving motor is horizontally arranged, an eccentric wheel 24 is fixed on an output shaft of the driving motor, specifically, a stepped hole is arranged on the side wall of the first bracket body, the stepped hole is horizontally arranged, the stepped hole comprises a first hole body, a second hole body, a third hole body and a fourth hole body, the outer diameter and the inner diameter of the first hole body are sequentially reduced, the driving motor 23 is sleeved in the second hole body, a gland with an L-shaped cross section is installed at the tail part of the driving motor through a screw, the gland is positioned in the first hole body, a wave spring is arranged between the gland and the end part of the motor, a groove is arranged at the center of the top of the first bracket, the groove is positioned between the second hole body and the third hole body, the lower end of the groove is connected with a stop lever, an eccentric wheel 24 is fixed at the output end of the driving motor, the eccentric wheel is provided with a first cylinder 241 and a second, the eccentric setting of first cylinder and second cylinder, the diameter of first cylinder is smaller than the diameter of second cylinder, there are mounting holes in the end surface center of the first cylinder, the mounting hole extends outside the second cylinder axially, the mounting hole is a shoulder hole with big both ends and small middle, the cross section of the hole located on one side of the second cylinder is a rectangle, the output end cover of the driving motor is set up in the hole and fixed through the screw, meanwhile, the second cylinder is set up in the third hole, used for improving stability and reliability of the operation of the eccentric wheel, the fourth hole is used for mounting the screw, the outer wall of the second cylinder is the working face, it is contacted with top end surface of the stop lever, used for promoting the up-and-down movement of the stop lever; the drive motor 23, the stopper lever 25, and the stopper pin 26 constitute a lock mechanism.

The cover body is used for covering the lower end of the shell and can be connected through a buckle 1041 or connected through threads, a protrusion is arranged on the cover body, specifically, the protrusion is an annular protrusion 1042 coaxially arranged, the end part of the annular protrusion is chamfered and is used for pushing the stamp support to the upper limit position, specifically, when the cover body is installed, the end face of the annular protrusion on the cover body is in contact with a stop block on the side wall of the stamp support and pushes the stop block to move upwards, after the cover body is completely covered, the annular protrusion pushes the stop block to the upper limit position and the stamp support moves to the upper limit position, the end part of the stop pin is clamped into an arc-shaped groove on the side wall of the guide rod, meanwhile, a contact rod positioned at the top of the stamp support triggers a first contact switch, a driving motor works and drives an eccentric wheel to rotate, the stop rod is pushed to move downwards and is in contact with the tail; a second contact switch is also arranged in the second bracket body, a second annular body is arranged on the cover body and used for triggering the second contact switch, and when the cover body is completely covered, the second annular body triggers the second contact switch which is used for starting a power supply or an identity recognition device; the circuit board is respectively connected with the first contact switch 4, the second contact switch, the driving motor 23, the identity recognition device and the battery; an anti-lost rope is arranged between the cover body and the shell to prevent the cover body from being lost; in order not to influence the stamping, the cover body is provided with a first magnet, the top of the shell is provided with a second magnet, and when the stamping device is used, the cover body is arranged at the top of the shell and mutually attracted; the side wall of the shell is provided with a charging port, and a rubber plug is arranged on the charging port when the shell is not used.

Meanwhile, the invention also provides a using method of the intelligent seal, which comprises the following steps:

s1, the cover body is taken down, the second annular bulge on the cover body is separated from the second contact switch, the second contact switch gives a feedback signal to the circuit board, and the circuit board activates the power supply or the identity recognition device after receiving the feedback signal;

s2, after the user passes the identification by the identification device, sending a signal to the circuit board; otherwise, sound or light alarm is given;

s3, the circuit board sends a signal to the driving motor after receiving the signal, the driving motor drives the eccentric wheel to rotate 180 degrees, the short shaft end of the eccentric wheel is contacted with the stop lever, the stop lever moves upwards under the action of elastic force, the side wall of the stop lever is separated from the end part of the stop pin, and the stamp support moves to the lower limit position under the action of the elastic force because the downward elastic force applied to the stamp support is greater than the resistance force generated by the stop pin to the stop pin, and unlocking is completed;

s4, positioning the working surface of the unlocked seal body outside the shell, aligning the seal body to a position to be stamped, pressing downwards to complete stamping, pressing the whole shell downwards during stamping, and contacting the lower end of the shell with a paper surface under the action of pressure to complete one-time stamping;

s5, after stamping is completed, the cover body is stamped at the lower end of the stamp, the annular bulge on the cover body props against the stop block on the side wall of the stamp body and moves upwards, when the cover body is completely stamped, the annular bulge props the stamp support to an upper limit position, the end part of the stop pin is clamped into the arc-shaped groove on the side wall of the guide rod, the touch rod on the stamp support triggers the first contact switch, the first contact switch sends a sensing signal to the circuit board, the circuit board sends a driving signal to the driving motor after receiving the sensing signal, the driving motor rotates 180 degrees, the long shaft end of the eccentric wheel is in contact with the end part of the stop rod, namely, the side wall of the eccentric wheel pushes the stop rod to move to a lower limit position, the side wall of the stop rod is in contact with the end; meanwhile, the second annular bulge on the cover body is in contact with the second contact switch, the second contact switch sends a signal to the circuit board, and the circuit board turns off the identity recognition device after receiving the signal or turns off the main power supply after delaying.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An intelligent seal, its characterized in that: the seal box comprises a shell, wherein an identity recognition device is arranged on the side wall of the shell, a cavity is formed in the shell, and a circuit board (22), a seal support, a locking mechanism and a battery (21) are arranged in the cavity;

the seal support (3) is arranged at the lower end of the cavity in a sliding mode, a first elastic component (52) enabling the seal support to move downwards is arranged in the cavity, a seal body is arranged in the seal support, a working face at the lower end of the seal body is positioned outside the seal support, when the working face is positioned at an upper limit position, the working face is positioned in the cavity, when the working face is positioned at a lower limit position, the working face is positioned outside the cavity, a guide rod (5) is vertically fixed at the upper end of the seal support, an arc-shaped groove is formed in the side wall of the guide rod, a first contact switch (4) is arranged right above the upper end of the guide rod, and when the seal support moves to an upper limit position, the guide rod can trigger the first contact switch (4);

the locking mechanism is positioned above the stamp support and comprises a driving motor (23), a stop lever (25) and a stop pin (26), the stop pin is horizontally matched in the cavity in a sliding manner, a clamping part is arranged at the head of the stop pin, a second elastic part which enables the stop pin to have a movement trend close to the arc-shaped groove is arranged in the cavity, and when the stamp support moves to an upper limit position, the clamping part is clamped into the arc-shaped groove; the stop lever (25) is vertically and slidably matched in the cavity, and a third elastic component which enables the stop lever to move upwards is arranged in the cavity; the driving motor is horizontally arranged, an eccentric wheel (24) is arranged at the output end of the driving motor, the eccentric wheel is positioned right above the stop lever and used for pushing the stop lever to move, and when the eccentric wheel moves to a lower limit position, the side wall of the stop lever is in contact with the end face of the rear end of the stop pin;

a cover body (104) is detachably arranged at the lower end of the shell, and a bulge (1042) which can push the stamp support to an upper limit position and trigger the first contact switch is arranged on the cover body;

the circuit board is respectively connected with the first contact switch (4), the driving motor (23), the identity recognition device and the battery.

2. The intelligent stamp of claim 1, wherein: the cavity is internally provided with a second contact switch connected with the circuit board, and the second contact switch can be triggered when the cover body is covered.

3. The intelligent stamp of claim 1, wherein: the downward elastic force borne by the stamp support is larger than the resistance force generated by the stop pin.

4. The intelligent stamp of claim 1, wherein: the casing includes shell body (103), the battery compartment body (102), first support body (106) and second support body (107), the upper and lower both ends of casing are uncovered, the battery compartment body first support body with the second support body from top to bottom sets gradually in the shell body, the battery is installed in the battery compartment body, driving motor the pin reaches first contact switch installs on the first support body, the pin that keeps off the guide arm reaches the seal support mounting is in on the second support body.

5. The intelligent stamp of claim 1, wherein: at least 3 stoppers (32) are uniformly distributed on the side wall of the seal support in the circumferential direction, the protrusion on the cover body is annular protrusion, the annular protrusion is coaxial with the cover body, and after the cover body is covered, the upper end face of the annular protrusion is in contact with the stoppers and pushes the seal support to move to the upper limit position.

6. The intelligent stamp of claim 1, wherein: the four guide rods are uniformly distributed on the top surface of the stamp support in the circumferential direction, and a contact rod (53) used for triggering the first contact switch is arranged on one guide rod; the stop pins are in the same number with the guide rods and are in one-to-one correspondence, and the stop rods are coaxial with the seal support.

7. The intelligent stamp of claim 1, wherein: the lower end of the stop lever is sleeved with a sheath (251), the lower end of the sheath is provided with a chamfer, and the stop lever is provided with a clamp spring for fixing the sheath.

8. The intelligent stamp of claim 1, wherein: the stop pin comprises a head part (261) and a tail part (262) which are sequentially connected, the sectional area of the head part is larger than that of the tail part, a first arc-shaped surface which is outwards convex is arranged on the end surface of the head part, and the radius of the first arc-shaped surface is smaller than that of the arc-shaped groove; the end face of the tail portion is provided with a second arc-shaped surface which is inwards concave, and the radius of the second arc-shaped surface is larger than or equal to that of the stop lever.

9. The intelligent stamp according to claim 2, wherein the method of use thereof comprises the steps of:

s3, the circuit board sends a signal to the driving motor after receiving the signal, the driving motor drives the eccentric wheel to rotate 180 degrees, the stop lever moves upwards under the action of elastic force, so that the side wall of the stop lever is separated from the end part of the stop pin, and the stamp support moves to the lower limit position under the action of the elastic force because the downward elastic force borne by the stamp support is greater than the resistance force generated by the stop pin to the stop pin, so that unlocking is completed;