CN210501938U - Roller type anti-theft stamp - Google Patents

Abstract

The utility model provides a roller type theftproof seal, which comprises an outer shell, the shell upside has set firmly control circuit, be provided with the roller in the shell, the roller surface is provided with the seal face, the roller is connected through pivot and shell normal running fit, the left side position is provided with and is used for making the roller restrict one-way pivoted one-way clutch between roller and the shell, right side position is provided with and is used for making the roller to lock fixed mechanical lock between roller and the shell, and this equipment has adopted gyro wheel seal face, mechanical lock, one-way clutch, shell, control circuit, clutch and locking means, makes equipment just can work under the condition that the personnel only obtained the authorization, and can't continue to use when the personnel authorization number of times reachs appointed figure, very big improvement the security nature that the seal used.

Description

Roller type anti-theft stamp

Technical Field

The invention belongs to the technical field of office supplies, and particularly relates to a roller type anti-theft seal.

Background

The seal is used as an article with signing function, and the safety is crucial in the using process; the traditional stamp has high possibility of being embezzled and falsely used, and a relatively troublesome mode is usually adopted to ensure the safety of the stamp.

For example, chinese patent document seal discloses [ application No.: 201710714812.6], including the stamp body, the handle, the body cavity, the drive means and the main board. The lower end of the handle part is cylindrical, and a scanning device and a power supply are arranged in the handle part. The body cavity is cylindrical, and the upper end of the body cavity is connected with the lower port of the handle column. The seal body is arranged in the body cavity and can reciprocate relative to the body cavity, and the lower end face of the seal body is arranged on the inner side of the lower end opening of the body cavity in the initial state. The driving device and the main board are fixed on the lower part of the handle part, and the driving device can act on the seal body and at least make the seal body move downwards relative to the body cavity. The scanning device and the driving device are connected with the power supply and the mainboard, and the mainboard can analyze and process scanning information and control the driving device to act. The seal body is arranged in the body cavity and can linearly reciprocate relative to the body cavity, a fingerprint is scanned, and the main board processes fingerprint information to judge whether to start the driving device. The seal box has the advantages of limiting the behavior of using the seal, improving the condition of being used randomly, reducing the operation risk of a company and the like.

By the scheme, the working efficiency is reduced, the functions of high efficiency and seal use protection are not realized, and the possibility of seal embezzlement and falsifying is increased.

Disclosure of Invention

The invention aims to solve the problems and provides equipment which has the advantages of releasing or limiting the use of the seal according to the authorization of the seal owner, ensuring the use of the seal to be well monitored, protecting the safety of the seal and the like.

The invention is realized by the following technical scheme: the invention relates to a roller type anti-theft seal, which comprises a shell, wherein a control circuit is fixedly arranged on the upper side of the shell, a roller is arranged in the shell, the outer surface of the roller is provided with a seal surface, the roller is connected with the shell in a rotating fit manner through a rotating shaft, a one-way clutch for limiting the roller to rotate in a one-way manner is arranged at the left side position between the roller and the shell, a mechanical lock for locking and fixing the roller is arranged at the right side position between the roller and the shell, a sensor for feeding back the rotating frequency of the roller is arranged in the mechanical lock, a clutch device for enabling the roller to roll only in the same direction is arranged in the one-way clutch, a locking device for locking the rotating shaft to enable the roller not to rotate any more is arranged in the mechanical lock, the control circuit comprises a single chip microcomputer, the authorization module, the frequency setting module, the sensor and the mechanical lock are electrically connected with the single chip microcomputer through electric wires, so that the seal can be used only under the condition of personnel authorization by utilizing the device and the structure.

According to the technical scheme, the sensor can be an infrared sensor, the infrared sensor comprises an infrared generator arranged in the mechanical lock, an infrared receiver is arranged at the position, opposite to the mechanical lock, of the outer surface of the roller, the infrared generator and the infrared receiver are electrically connected with the single chip microcomputer through electric wires, so that the sensor senses that the roller rotates and then transmits an electric signal to the control circuit through the electric wires, and the single chip microcomputer in the control circuit can capture data of the sensor to control locking of the mechanical lock.

According to a further technical scheme, the roller is partially exposed out of the shell, so that the stamp face cannot be completely exposed out at any time, and a complete stamp can be printed only by rolling.

According to the technical scheme, the number setting module comprises a button for setting the number and a display screen for displaying the set number, and the button and the display screen are electrically connected with the single chip microcomputer through electric wires, so that the button is pressed to count and the count is displayed on the display screen.

According to the technical scheme, the authorization module comprises a fingerprint identification instrument used for transmitting personnel authorization signals, and the fingerprint identification instrument is electrically connected with the single chip microcomputer through a wire, so that personnel authorization conditions are identified by the fingerprint identification instrument.

According to the technical scheme, the clutch device comprises a flange plate, the flange plate is fixedly connected with the shell in a matched mode, a cylinder is fixedly arranged on the right end face of the flange plate, an inner cavity which penetrates through the cylinder in the left and right is formed in the cylinder, an annular array is arranged on the inner wall of the inner cavity and protrudes towards the same direction, and a limiting mechanism which is connected with the rotating shaft in a matched mode to enable the rotating shaft to rotate towards the same direction is arranged in the inner cavity, so that the limiting mechanism is utilized to be connected with the rotating shaft in a matched mode to enable the rotating shaft.

Further technical scheme, limiting mechanism including set up in sleeve in the inner chamber, be provided with in the sleeve about run through and with the fixed mating holes of pivot, the sleeve surface is provided with the round hole that a plurality of annular arrays set up, gliding being provided with the cylinder in the round hole, the cylinder with elasticity is provided with elastic spring between the round hole end wall, keeps away from the sleeve the cylinder terminal surface has set firmly the calotte, the calotte with protruding counterbalance, thereby utilize cylinder, calotte with bellied cooperation, and the restriction under the bellied homonymy effect of orientation the sleeve can only rotate towards same direction.

According to the technical scheme, the locking device comprises a clamping plate, the clamping plate is fixed to the shell, a rectangular shell is fixedly arranged on the end face of one side of the clamping plate, an opening containing cavity is formed in the rectangular shell, assembling holes which penetrate through the clamping plate in the left and right directions are formed in the clamping plate, the assembling holes are connected with the rotating shaft in a rotating matching mode, the infrared generator is fixed to the lower end face of the rectangular shell, and a locking mechanism used for limiting and fixing the rotating shaft is arranged in the rectangular shell, so that the rotating shaft is further locked and fixed through the locking mechanism.

According to the technical scheme, the locking mechanism comprises a power motor fixedly arranged on the upper end face of the rectangular shell, the power motor is electrically connected with the single chip microcomputer, a rotating rod is arranged below the power motor in a power connection mode, the rotating rod stretches into the accommodating cavity in a rotating mode, a transmission box is fixedly arranged on the upper end wall of the accommodating cavity, a matching cavity which penetrates through the transmission box from left to right is formed in the transmission box, the rotating rod stretches into the matching cavity and is connected with the lower end wall of the matching cavity in a rotating matching mode, a lifting plate is arranged on the outer surface of the rotating rod in a threaded matching mode, symmetrical sliding shafts are fixedly arranged on the lower end face of the lifting plate, the sliding shafts penetrate through the lower end wall of the matching cavity in a sliding mode, and an arc plate located in the accommodating cavity is fixedly arranged on the lower end face of the sliding.

The invention has the beneficial effects that: the equipment adopts the structures of the roller, the mechanical lock, the one-way clutch, the shell, the control circuit, the clutch device, the locking device and the like, so that the equipment can work only under the condition that personnel are authorized, and the safety and the confidentiality of the seal use are greatly improved.

The seal has the advantages that the whole seal is controlled by authorization of an owner under the comprehensive action of the structure, the seal cannot be stamped under the condition of not being authorized, and the seal can be set for authorization times through the single chip microcomputer, the authorization module, the time setting module, the button, the display screen, the fingerprint identification instrument, the infrared generator and the infrared receiver when being stamped, so that the seal owner can not continue to use when the seal use times exceed the authorization times, and the use safety of the seal is improved.

The actuating mechanism of the invention is convenient to be made into a mechanism with small volume, and is convenient to reduce the overall volume of the whole seal.

The mechanical lock can not print completely once the seal is locked, so that the seal is effectively prevented from being stolen, and the seal is characterized in that the locking device works after the mechanical lock is locked, the power motor drives the lifting plate to move downwards in a connecting mode when working, so that the arc plate and the rotating shaft are limited and fixed, the rotating shaft is prevented from rotating, and further the roller is prevented from rolling, the diameter of the arc plate is the same as that of the rotating shaft, and the seal is improved in use safety and flexible in structure due to the design.

When the control circuit detects that the position of the stamp face is wrong or the sensing is abnormal, the control circuit can report an alarm to prompt and facilitate maintenance.

The outer shell of the roller type seal is of a closed structure, so that external illegal operation can be effectively prevented, personnel are prevented from directly destroying the seal to take out the roller for use, the seal surface of the outer surface of the roller is arranged on one circle of the outer surface of the roller, and the roller is partially exposed out of the outer shell, so that the roller can be used for sealing and the personnel are prevented from stealing the seal.

The clutch device in the one-way clutch has the advantages that the roller can only rotate towards the same direction when in work, so that the seal is more efficiently used, the roller is limited to rotate towards the same direction by the ratchet type structure consisting of the sleeve, the round hole, the elastic spring, the cylinder, the dome and the bulge, and the elastic spring enables the cylinder to be more stable in the process of moving on the outer surface of the bulge, so that the equipment is more stably used.

Drawings

FIG. 1 is a schematic diagram of the apparatus of the present invention;

FIG. 2 is a schematic bottom view of the apparatus of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the roller, mechanical lock, one-way clutch assembly of FIG. 1 according to the present invention;

FIG. 4 is a rear side schematic view of the installation of FIG. 3 according to the present invention;

FIG. 5 is an enlarged schematic view of the clutch device of FIG. 3 according to the present invention;

FIG. 6 is a rear side schematic view of the clutch device of FIG. 5 according to the present invention;

FIG. 7 is a cutaway schematic view of the clutch device of FIG. 3 according to the present invention;

FIG. 8 is an enlarged schematic view of the locking device of FIG. 3 according to the present invention;

FIG. 9 is a front view of the locking device of FIG. 3 in accordance with the present invention;

FIG. 10 is a flow chart of the operation of the apparatus of the present invention;

in the figure, the roller 1, the mechanical lock 2, the one-way clutch 3, the housing 4, the control circuit 5, the rotating shaft 101, the single chip microcomputer 102, the authorization module 103, the number setting module 104, the button 105, the display screen 106, the fingerprint identifier 107, the infrared generator 108, the infrared receiver 109, the sleeve 201, the flange 202, the cylinder 203, the inner cavity 204, the protrusion 205, the fitting hole 206, the circular hole 207, the cylinder 208, the dome 302, the elastic spring 303, the sensor 401, the circular arc plate 402, the rectangular shell 403, the clamping plate 404, the transmission case 405, the power motor 406, the lifting plate 407, the sliding shaft 408, the accommodating cavity 409, the sensor 401, the fitting cavity 411, the clutch 950 and the locking device 951.

Detailed Description

As shown in fig. 1 to 10, the present invention will be explained in detail, and for convenience of description, the following orientations will be defined as follows: the up-down, left-right, front-back direction is consistent with the up-down, left-right, front-back direction of the projection relation of the figure 1, the rolling wheel type anti-theft stamp comprises a shell 4, a control circuit 5 is fixedly arranged on the upper side of the shell 4, a rolling wheel 1 is arranged in the shell 4, the outer surface of the rolling wheel 1 is provided with a stamp face, the rolling wheel 1 is in rotating fit connection with the shell 4 through a rotating shaft 101, a one-way clutch 3 for limiting the one-way rotation of the rolling wheel 1 is arranged at the left side position between the rolling wheel 1 and the shell 4, a mechanical lock 2 for locking and fixing the rolling wheel 1 is arranged at the right side position between the rolling wheel 1 and the shell 4, a sensor 401 for feeding back the rotation frequency of the rolling wheel 1 is arranged in the mechanical lock 2, a clutch 950 for enabling the rolling wheel 1 to roll only in the same direction is arranged in the one-, the control circuit 5 comprises a single chip microcomputer 102, an authorization module 103 and a frequency setting module 104, wherein the authorization module 103, the frequency setting module 104, the sensor 401 and the mechanical lock 2 are electrically connected with the single chip microcomputer 102 through electric wires, so that the seal can be used only under the condition of personnel authorization by utilizing the device and the structure.

Advantageously, the sensor 401 may be an infrared sensor, the infrared sensor includes an infrared generator 108 disposed in the mechanical lock 2, an infrared receiver 109 is disposed on the outer surface of the roller 1 opposite to the mechanical lock 2, the infrared generator 108 and the infrared receiver 109 are electrically connected to the single chip microcomputer 102 through an electric wire, so that the sensor 401 senses the rotation of the roller 1 by using the infrared generator 108 and the infrared receiver 109 and then transmits an electric signal to the control circuit 5 through the electric wire, and the single chip microcomputer 102 in the control circuit 5 can capture data of the sensor 401 to control the locking of the mechanical lock 2.

Advantageously, the rollers 1 are partially exposed outside the housing 4, so that the stamp face is not completely exposed at any time, and the complete stamp can be printed only by rolling.

Advantageously, the number setting module 104 comprises a button 105 for setting the number and a display 106 for displaying the set number, wherein the button 105 and the display 106 are electrically connected with the single chip microcomputer 102 through wires, so that the button 105 is pressed to count and the count is displayed on the display 106.

Advantageously, the authorization module 103 includes a fingerprint identifier 107, and the fingerprint identifier 107 is electrically connected to the single chip microcomputer 102 through a wire, so that the person authorization condition is identified by the fingerprint identifier 107.

Beneficially, the clutch device 950 includes a flange 202, the flange 202 is fixedly connected with the housing 4 in a matching manner, a cylinder 203 is fixedly arranged on the right end face of the flange 202, an inner cavity 204 penetrating from left to right is arranged in the cylinder 203, protrusions 205 arranged in an annular array and facing the same direction are arranged on the inner wall of the inner cavity 204, the protrusions 205 are in a triangular tooth structure, the number of the protrusions 205 is at least 10, and a limiting mechanism connected with the rotating shaft 101 in a matching manner is arranged in the inner cavity 204 so as to enable the rotating shaft 101 to rotate in the same direction, so that the limiting mechanism is connected with the rotating shaft 101 in a matching manner so as to.

Beneficially, the limiting mechanism includes a sleeve 201 disposed in the inner cavity 204, a fitting hole 206 penetrating left and right and fixed to the rotating shaft 101 is disposed in the sleeve 201, a plurality of circular holes 207 are disposed on an outer surface of the sleeve 201 in an annular array, the number of the circular holes 207 is at least 4, a cylinder 208 is slidably disposed in the circular hole 207, an elastic spring 303 is elastically disposed between the cylinder 208 and an end wall of the circular hole 207, a dome 302 is fixedly disposed on an end surface of the cylinder 208 far away from the sleeve 201, the dome 302 abuts against the protrusion 205, a diameter of the dome 302 is the same as that of the cylinder 208, so that the cylinder 208, the dome 302 and the protrusion 205 are matched, and the sleeve 201 is limited to rotate only in the same direction under the same-side action of.

Beneficially, the locking device 951 includes a clamping plate 404, the clamping plate 404 is fixed to the housing 4, a rectangular casing 403 is fixedly arranged on one side end face of the clamping plate 404, an open cavity 409 is arranged in the rectangular casing 403, a left-right penetrating assembling hole 410 is arranged in the clamping plate 404, the assembling hole 410 is connected with the rotating shaft 101 in a rotating fit manner, the infrared generator 108 is fixed to the lower end face of the rectangular casing 403, and a locking mechanism for limiting and fixing the rotating shaft 101 is arranged in the rectangular casing 403, so that the rotating shaft 101 is further locked and fixed by the locking mechanism.

Advantageously, the locking mechanism includes a power motor 406 fixedly arranged on the upper end surface of the rectangular housing 403, the power motor 406 is electrically connected with the single chip microcomputer 102, a rotating rod 412 is arranged below the power motor 406 in a power connection mode, the rotating rod 412 rotatably extends into the accommodating cavity 409, a transmission box 405 is fixedly arranged on the upper end wall of the accommodating cavity 409, a matching cavity 411 which penetrates through from left to right is arranged in the transmission box 405, the rotating rod 412 extends into the matching cavity 411 and is in rotating matching connection with the lower end wall of the matching cavity 411, a lifting plate 407 is arranged on the outer surface of the rotating rod 412 in a threaded matching connection mode, symmetrical sliding shafts 408 are fixedly arranged on the lower end surface of the lifting plate 407, the sliding shafts 408 slidably penetrate through the lower end wall of the matching cavity 411, an arc plate 402 located in the accommodating cavity 409 is fixedly arranged on the lower end surface of the sliding shafts 408, the diameter of the arc plate 402 is.

When the mechanical lock 2 is in the initial state, the single chip microcomputer 102 controls the mechanical lock 2 to be in the working state, and at the moment, the mechanical lock 2 is in the locking state, so that the locking device 951 limits the rotation of the rotating shaft 101 and the roller 1 to prevent people from using the device.

The authorization module 103 is in the prior art, and the authorization module 103 adopts a fingerprint identification device authorization mode.

The fingerprint recognizer is one sensor based on living body collecting and recognizing principle and consists of high performance fingerprint comparison algorithm and other software and hardware, and the hardware collects fingerprint and transmits the fingerprint to the host computer via USB interface. The product adopts the most advanced living leather fingerprint collection technology in the world, prevents false fingerprints, and has the characteristics of high identification rate, small volume, durability, high cost performance and the like. The fingerprint recognizer is one special apparatus for identity recognition via the biological characteristic fingerprint of human body. There are mainly 4 types of acquisition techniques for fingerprint images: optical scanning devices (e.g., miniature triangular prism matrices), temperature difference-sensitive fingerprint sensors, semiconductor fingerprint sensors, ultrasonic fingerprint scanning.

When the device works, an owner obtains authorization by using the authorization module 103, authorization is realized by using the fingerprint identification device 107 during authorization, the fingerprint identification device 107 reads fingerprint information of the owner and then feeds an authorization signal back to the single chip microcomputer 102, the single chip microcomputer 102 controls the times setting module 104 to work again, at the moment, after a person presses the button 105, the times of seal use are set, the times of seal use are displayed by the display screen 106, after a user uses the seal, the infrared transmitter and the receiver in the sensor 401 work, at the moment, after the roller 1 rotates, after each rotation, the infrared transmitter and the infrared receiver 109 finish one-time signal transmission and reception, the infrared receiver 109 feeds back the fed times signals to the single chip microcomputer 102, and after the electric signals fed back by the sensor 1 reach the number set by the times setting module 104, the single chip microcomputer 102 controls the mechanical lock 2 to lock, if the roller 1 is not rotated, the stamp operation cannot be performed.

When the user does not obtain authorization, the control circuit 5 is not controlled by the user, the seal is directly in a locking state, and at the moment, the locking device 951 is in a working state under the action of the single chip microcomputer 102 to limit the rotation of the rotating shaft 101 and the roller 1.

When a user does improper operation, the movement structure cannot be executed according to the instruction of the control circuit 5, when the sensor 401 detects abnormality, the sensor 401 feeds an abnormal signal back to the single chip microcomputer 102, and the single chip microcomputer 102 controls the display screen 106 to display error information so as to realize an alarm function.

When a person can use the seal after authorization, the clutch device 950 in the one-way clutch 3 acts to enable the roller 1 to move towards the same direction, at the moment, the ratchet structure formed by the elastic spring 303, the cylinder 208, the dome 302 and the protrusion 205 in the clutch device 950 enables the sleeve 201 to drive the rotating shaft 101 to rotate towards the same direction only, and when the roller rotates towards the other side direction, the cylinder 208 and the dome 302 are limited and clamped due to the tooth-shaped structure of the protrusion 205, so that the one-way clutch 3 can limit the seal to move towards the same direction only.

When the mechanical lock 2 is locked, the locking device 951 works, the single chip microcomputer 102 controls the power motor 406 to drive the lifting plate 407 to move downwards, and as the lifting plate 407 is in threaded fit connection with the lifting plate 412, the sliding shaft 408 is in sliding fit connection with the transmission case 405, so that the arc plate 402 is opened after moving downwards to limit the rotating shaft 101 to be locked, and the rotating shaft 101 is prevented from rotating.

The invention has the beneficial effects that: the equipment adopts the structures of the roller 1, the mechanical lock 2, the one-way clutch 3, the shell 4, the control circuit 5, the clutch device 950, the locking device 951 and the like, so that the equipment can work only under the condition that personnel are authorized, and the safety and the confidentiality of the seal use are greatly improved.

The advantages are embodied in that the whole seal is controlled by authorization of an owner under the comprehensive action of the structure, the seal cannot be stamped under the condition of not being authorized, and the seal owner can set the authorization times after obtaining authorization through the single chip microcomputer 102, the authorization module 103, the time setting module 104, the button 105, the display screen 106, the fingerprint identifier 107, the infrared generator 108 and the infrared receiver 109 when stamping, so that the seal locking cannot be used continuously when the seal use times exceed the authorization times, and the use safety of the seal is improved.

The actuating mechanism of the invention is convenient to be made into a mechanism with small volume, and is convenient to reduce the overall volume of the whole seal.

Once the mechanical lock 2 is locked, the seal cannot be completely printed, and the seal is effectively prevented from being stolen, which is characterized in that after the mechanical lock 2 is locked, the locking device works, the power motor 406 drives the lifting plate 407 to indirectly move downwards when working, so that the arc plate 402 and the rotating shaft 101 are limited and fixed, the rotating shaft 101 is prevented from rotating, and further the roller 1 is prevented from rolling, the diameter of the arc plate 402 is the same as that of the rotating shaft 101, and the seal is improved in use safety and smart in structure due to the design.

When the control circuit 5 detects that the position of the seal surface is wrong or the sensing is abnormal, the alarm can be reported, so that the prompt is facilitated and the maintenance is convenient.

The outer shell of the invention is of a closed structure, which can effectively prevent external illegal operation and prevent personnel from directly destroying the seal to take the roller 1 out for use, and the seal surface of the outer surface of the roller 1 is arranged on the outer surface of the roller 1 for one circle, and the roller 1 is partially exposed out of the outer shell 4, so that the roller 1 can seal and prevent personnel from stealing.

The clutch device 950 in the one-way clutch 3 of the invention can make the roller 1 only rotate towards the same direction when working, so that the seal is more efficiently used, the ratchet type structure formed by the sleeve 201, the round hole 207, the elastic spring 303, the cylinder 208, the dome 302 and the bulge 205 can make the roller 1 only rotate towards the same direction, and the elastic spring 303 makes the cylinder 208 more stable in the process of moving on the outer surface of the bulge 205, so that the equipment is more stably used.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms roller 1, mechanical lock 2, one-way clutch 3, housing 4, control circuit 5, rotating shaft 101, single chip microcomputer 102, authorization module 103, number setting module 104, button 105, display 106, fingerprint identifier 107, infrared generator 108, infrared receiver 109, sleeve 201, flange 202, cylinder 203, inner cavity 204, protrusion 205, mating hole 206, circular hole 207, cylinder 208, dome 302, elastic spring 303, sensor 401, circular arc plate 402, rectangular housing 403, chucking plate 404, transmission case 405, power motor 406, lifting plate 407, sliding shaft 408, cavity 409, sensor 401, mating cavity 411, clutch 950, and locking device 951 are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims (9)

1. The roller type anti-theft stamp is characterized by comprising a shell (4), a control circuit (5) is fixedly arranged on the upper side of the shell (4), a roller (1) is arranged in the shell (4), a stamp face is arranged on the outer surface of the roller (1), the roller (1) is connected with the shell (4) in a rotating fit mode through a rotating shaft (101), a one-way clutch (3) used for enabling the roller (1) to limit one-way rotation is arranged at the left side position between the roller (1) and the shell (4), a mechanical lock (2) used for enabling the roller (1) to be locked and fixed is arranged at the right side position between the roller (1) and the shell (4), a sensor (401) used for feeding back the rotation frequency of the roller (1) is arranged in the mechanical lock (2), and a clutch device (950) used for enabling the roller (1) to roll only in the same direction is arranged in the one-way clutch (3), the roller pin roller locking device is characterized in that a locking device (951) used for locking the rotating shaft (101) to enable the roller pin (1) not to rotate is arranged in the mechanical lock (2), the control circuit (5) comprises a single chip microcomputer (102), an authorization module (103) and a frequency setting module (104), and the authorization module (103), the frequency setting module (104), the sensor (401) and the mechanical lock (2) are electrically connected with the single chip microcomputer (102) through electric wires.

2. The roller-type anti-theft stamp according to claim 1, wherein: the sensor (401) can adopt an infrared sensor, the infrared sensor comprises an infrared generator (108) arranged in the mechanical lock (2), an infrared receiver (109) is arranged at the position, opposite to the mechanical lock (2), of the outer surface of the roller (1), and the infrared generator (108) and the infrared receiver (109) are electrically connected with the single chip microcomputer (102) through electric wires.

3. The roller-type anti-theft stamp according to claim 1, wherein: the roller (1) is partially exposed out of the shell (4).

4. The roller-type anti-theft stamp according to claim 1, wherein: the number setting module (104) comprises a button (105) for setting the number and a display screen (106) for displaying the set number, and the button (105) and the display screen (106) are electrically connected with the single chip microcomputer (102) through electric wires.

5. The roller-type anti-theft stamp according to claim 1, wherein: the authorization module (103) comprises a fingerprint identification instrument (107) used for transmitting personnel authorization signals, and the fingerprint identification instrument (107) is electrically connected with the single chip microcomputer (102) through an electric wire.

6. The roller-type anti-theft stamp according to claim 1, wherein: clutch device (950) includes ring flange (202), ring flange (202) with shell (4) fixed coordination is connected, ring flange (202) right-hand member face has set firmly drum (203), inner chamber (204) that run through about being provided with in drum (203), inner chamber (204) inner wall is provided with annular array setting and is towards same direction protruding (205), be provided with in inner chamber (204) with pivot (101) cooperation is connected so that pivot (101) move towards same direction pivoted stop gear.

7. The roller-type anti-theft stamp according to claim 6, wherein: limiting mechanism including set up in sleeve (201) in inner chamber (204), be provided with in sleeve (201) about run through and with pivot (101) fixed mating holes (206), sleeve (201) surface is provided with round hole (207) that a plurality of annular arrays set up, gliding being provided with cylinder (208) in round hole (207), cylinder (208) with elasticity is provided with elastic spring (303) between round hole (207) end wall, keeps away from sleeve (201) cylinder (208) terminal surface has set firmly calotte (302), calotte (302) with arch (205) offset.

8. The roller-type anti-theft stamp according to claim 2, wherein: locking means (951) is including dress cardboard (404), dress cardboard (404) with shell (4) are fixed, dress cardboard (404) a side terminal surface has set firmly rectangle casing (403), be provided with opening appearance chamber (409) in rectangle casing (403), be provided with pilot hole (410) that run through about in the dress cardboard (404), pilot hole (410) with pivot (101) normal running fit is connected, infrared generator (108) are fixed in terminal surface under rectangle casing (403), be provided with in rectangle casing (403) and be used for with pivot (101) restriction fixed locking mechanism.

9. The roller-type anti-theft stamp according to claim 8, wherein: the locking mechanism comprises a power motor (406) fixedly arranged on the upper end surface of the rectangular shell (403), the power motor (406) is electrically connected with the singlechip (102), a rotating rod (412) is arranged below the power motor (406) in a power connection mode, the rotating rod (412) rotatably extends into the accommodating cavity (409), a transmission box (405) is fixedly arranged on the upper end wall of the accommodating cavity (409), a matching cavity (411) which penetrates through the transmission box (405) from left to right is arranged in the transmission box (405), the rotating rod (412) extends into the matching cavity (411) and is connected with the lower end wall of the matching cavity (411) in a rotating matching way, the outer surface of the rotating rod (412) is provided with a lifting plate (407) in a threaded fit connection way, the lower end face of the lifting plate (407) is fixedly provided with symmetrical sliding shafts (408), the sliding shafts (408) penetrate through the lower end wall of the matching cavity (411) in a sliding manner, the lower end face of the sliding shaft (408) is fixedly provided with an arc plate (402) positioned in the containing cavity (409).

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