CN210415956U

CN210415956U - Portable seal machine with seal cover anti-disassembly structure

Info

Publication number: CN210415956U
Application number: CN201920720401.2U
Authority: CN
Inventors: 赖建仁
Original assignee: Zhuhai Sigete Intelligent System Co ltd
Current assignee: Zhuhai Sigete Intelligent System Co ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-04-28
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a portable stamping machine with a seal sleeve anti-disassembly structure, which comprises a stamping machine body and a seal sleeve, wherein the stamping machine body comprises an inner shell and a driving part which is connected with the inner shell in a sliding way, and the seal sleeve is arranged in the inner shell and is connected with the driving part in a threaded way; the upper end of the inner shell is also provided with a control module and a limiting component electrically connected with the control module, the inner wall of the inner shell is provided with a blocking part close to the bottom, and the outermost side of the seal sleeve is provided with a convex part. The utility model has simple structure, can prevent others from disassembling the seal sleeve by themselves, and effectively improves the anti-theft performance; utilize restriction subassembly can restrict drive part drive seal cover along interior gliding distance from top to bottom of shell, make the convex part on the seal cover all arrange the inside of interior shell in the slip in-process, keep off the rotation that the portion is used for restricting the convex part simultaneously, make the seal cover can't rotate or rotate the round in interior shell inside, then the seal cover can't break away from drive part's threaded connection department.

Description

Portable seal machine with seal cover anti-disassembly structure

Technical Field

The utility model relates to a seal technical field, especially a portable seal machine with seal cover anti-disassembly structure.

Background

A stamp, which is used as a stationery to be printed on a document to represent authentication or signing, is widely used in various industries such as banks, enterprises, schools and the like. As a most direct and effective legal certificate, the standard use and safe storage of the seal have great significance in various industries. In daily management work, most of the seals are locked in a safe or even a drawer of an office by managers or authorized personnel, and the seals need to be signed or stamped for use at any time.

The seal processing of many key services lacks effective supervision, and no records are used for traceability, so that illegal operations such as seal embezzlement, unauthorized seal stamping and the like are carried out by using professional convenience or other secret means, and economic crimes are carried out when a certain activity is carried out externally, and huge economic losses are often brought. At present, most enterprises adopt the seal machine to realize seal intelligent management and use records, but most seal machines at present fail to realize the seal anti-dismounting and anti-theft functions, namely, the present automatic sealing system has certain risks, and the seal is easy to steal or steal.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a portable seal machine with seal cover anti-disassembly structure solves the seal and is easily torn open and stolen problem.

The utility model provides a technical scheme that its technical problem adopted is: a portable stamping machine with a seal sleeve anti-disassembly structure comprises a stamping machine body and a seal sleeve, wherein the stamping machine body comprises an inner shell and a driving part in sliding connection with the inner shell, the seal sleeve is arranged in the inner shell and in threaded connection with the driving part, and the driving part drives the seal sleeve to move up and down along the inner shell; the method is characterized in that: the upper end of the inner shell is further provided with a control module and a limiting assembly electrically connected with the control module, the limiting assembly is used for limiting the sliding distance of the driving component along the inner shell, at least one blocking part is arranged on the inner wall of the inner shell close to the bottom, at least one convex part is arranged on the outermost side of the seal sleeve, and the blocking part is used for limiting the rotation of the convex part.

Further, the blocking portion is a bar-shaped block extending from the bottom of the inner case toward the inside of the inner case.

Further, the restriction subassembly including locate the inside electro-magnet of interior casing and vertically set up in the inside bar groove of driver part, the bar inslot is arranged in to the armature of electro-magnet, and control module is through whether the control electro-magnet is got to the electricity and with the distance that bar groove cooperation restriction driver part reciprocated.

Furthermore, the driving component comprises an outer shell and a connecting piece, guide rails are arranged on two sides inside the outer shell, and a sliding groove matched with the guide rails is formed in the inner shell; the outer shell is sleeved on the inner shell and slides up and down along the sliding groove; the utility model discloses a seal cover, including casing, connecting piece, seal cover, guide rail cover, bar groove, connecting piece, the inside of casing is located to the connecting piece and with casing fixed connection, the lower extreme and the seal cover threaded connection of connecting piece, the casing passes through drive connecting piece and drives the seal cover and slide from top to bottom along the inside of casing, both sides still overlap respectively on the guide rail and be equipped with the guide rail cover, both sides the guide rail cover is arranged respectively in between corresponding guide rail and the spout, the bar groove is.

Furthermore, a threaded rod is arranged at the upper end of the seal sleeve, and an internal threaded hole matched with the threaded rod is formed in the lower end of the connecting piece.

Further, the lower extreme of seal cover is equipped with the recess that can the holding seal, and the periphery of seal cover is equipped with two screw holes and locking screw at least, the screw hole sets up and communicates with the recess along the horizontal direction, locking screw pass the screw hole and with the upper end zonulae occludens of seal, the convex part is located the outside of seal cover.

Furthermore, an annular rubber ring is arranged in the middle of the groove and used for sleeving the upper end of the seal and clamped between the seal and the locking screw.

Furthermore, the upper end in the inner shell is also provided with a cross frame, and the electromagnet is fixed at the upper end of the cross frame.

Furthermore, the control module is fixed above the cross frame and fixedly connected with the inner shell.

Furthermore, the driving part also comprises a return spring, one end of the return spring is fixedly connected with the lower end of the cross frame, and the other end of the return spring is fixedly connected with the upper end of the connecting piece.

The utility model has the advantages that: the utility model has simple structure, can prevent others from disassembling the seal sleeve by themselves, and effectively improves the anti-theft performance; utilize the restriction subassembly can restrict drive part drive seal cover along interior gliding distance from top to bottom of shell, make the convex part on the seal cover all arrange the inside of interior casing in the slip in-process, keep off the rotation that the portion is used for restricting the convex part simultaneously, make the seal cover can't rotate or rotate the round in interior casing inside, then the seal cover can't break away from drive part's threaded connection department, only control the action of restriction subassembly at control module, make restriction subassembly no longer restrict drive part's sliding distance, then the convex part on the seal cover just can break away from interior casing, thereby rotate the seal cover, dismantle the seal cover.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view of a preferred embodiment of the present invention;

FIG. 3 is a cross-sectional view of the body of the stamper machine of the present invention;

fig. 4 is an exploded view of the drive unit of the present invention;

fig. 5 is a schematic structural view of the inner housing of the present invention;

fig. 6 is a schematic structural view of the guide rail sleeve and the strip-shaped groove of the present invention;

fig. 7 is a schematic circuit diagram of a preferred embodiment of the present invention;

FIG. 8 is a schematic view of the driving member of the present invention implementing stamping;

fig. 9 is a schematic view of the restraint assembly of the present invention in an unlocked state;

FIG. 10 is a schematic perspective view of the stamp cover of the present invention after being connected to a stamp;

fig. 11 is an exploded view of the seal cover of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the conception, specific structure and technical effects of the present invention will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor are within the scope of the present invention.

Referring to fig. 1 to 5, a preferred embodiment is a portable stamping machine with a seal sleeve anti-detachment structure, which includes a stamping machine body and a seal sleeve 21, wherein the stamping machine body includes an inner shell 11 and a driving component slidably connected to the inner shell 11, the seal sleeve 21 is disposed inside the inner shell 11 and is in threaded connection with the driving component, and the driving component drives the seal sleeve 21 to move up and down along the inside of the inner shell 11; the method is characterized in that: the utility model discloses a seal cover 21, including interior casing 11, interior casing 11 upper end still is equipped with control module 31 and with control module 31 electric connection's restriction subassembly, restriction subassembly is used for restricting drive unit along the gliding distance of interior casing 11, the inner wall of interior casing 11 is close to the bottom and is equipped with at least one fender portion 111, seal cover 21's the outside is equipped with at least one convex part 211, fender portion 111 is used for restricting convex part 211's rotation, makes seal cover 21 unable inside including the casing 11 rotate or rotate the round.

Referring to fig. 7 to 10, a stamp 51 is fixed at the bottom of the stamp sleeve 21, and the driving member is slidably connected to the inner housing 11, that is, the driving member can slide up and down along the inner housing 11, and in the process of sliding up and down, the stamp sleeve 21 is driven to move up and down along the inside of the inner housing 11, so that the stamp 51 moves to the position of the opening at the bottom of the inner housing 11 to dip inkpad on the stamp face or stamp; while the control module 31 controls the action of the restriction member.

When the limiting component is not powered on, the distance that the driving component can slide down along the inner shell 11 is limited to a certain distance, specifically, the limiting component limits the distance that the stamp sleeve 21 can slide down, that is, the driving component can only drive the stamp face in the stamp sleeve 21 to keep a flat position with the plane of the bottom opening of the inner shell 11, but can not drive the stamp sleeve 21 to move out of the plane of the bottom opening of the inner shell 11, so that the convex part 211 of the stamp sleeve 21 can be always limited to move up and down in the inner shell 11 without moving out of the outer part of the inner shell 11; because the seal cover 21 and the driving component are in threaded connection, when the convex part 211 is always arranged inside the inner shell 11 and is matched with the action of the blocking part 111, in the process of rotating the seal cover 21, the convex part 211 can be abutted against the blocking part 111, so that the seal cover 21 cannot rotate or rotate more than one circle inside the inner shell 11, and cannot be separated from the driving component; if the seal cover 21 needs to be detached, the control module 31 can only control the limiting component to no longer limit the slidable distance of the driving component, so that the driving component can drive the seal cover 21 to move out of the outer part of the inner shell 11, and the convex part 211 is no longer arranged in the inner shell 11, at this time, the seal cover 21 can be rotated, and the seal cover 21 is detached; on the contrary, when the seal cover 21 needs to be fixed on the driving part, the control module 31 controls the action of the limiting assembly, and the limit of the vertical sliding distance of the driving part is released, so that the seal cover 21 and the driving part can be in threaded connection; therefore, when the control module 31 does not release the restriction of the sliding distance of the driving member by the restricting unit, another person cannot directly detach the stamp sleeve 21 from the inside of the inner housing 11.

Preferably, referring to fig. 1 and 3, the blocking portion 111 is a bar-shaped block extending from the bottom of the inner housing 11 to the inside of the inner housing 11, and is configured as a bar-shaped block, so that when the driving member is at a position for limiting the sliding distance, when the stamp sleeve 21 is rotated, the convex portion 211 meets the blocking portion 111 and abuts against each other before the stamp sleeve 21 completes one rotation, so that the blocking portion 111 can play a role of blocking the rotation of the convex portion 211, and the stamp sleeve 21 cannot complete one rotation.

Preferably, in order to further limit the rotation angle of the stamp sleeve 21, a plurality of parallel blocking portions 111 may be disposed on the inner wall of the bottom of the inner housing 11, when two blocking portions 111 are disposed on the inner housing 11 in a symmetrical relationship and cooperate with the protruding portion 211, the rotation angle of the stamp sleeve 21 may be limited to not more than 180 °, when the positions of the plurality of blocking portions 111 are disposed in different intervals and cooperate with the protruding portion 211, the rotation angle of the stamp sleeve 21 may be limited to 0-180 °, and when only one blocking portion 111 is disposed, the rotation angle of the stamp sleeve 21 may not be more than 360 ° in the inner housing 11. Meanwhile, a plurality of convex parts 211 can be arranged along the periphery of the stamp sleeve 21, which can also limit the angle of the stamp sleeve 21 which can rotate in the inner shell 11, when the stamp sleeve 21 can not complete multiple rotation in the inner shell 11, the stamp sleeve 21 can not be separated from the threaded connection part of the driving part, and the anti-dismantling performance and the anti-theft performance of the stamp 51 can be effectively improved.

Preferably, in another embodiment, the blocking portion 111 is a strip-shaped slot, the strip-shaped slot extends from the bottom of the inner housing 11 to the inside of the inner housing 11, and a directional thread structure is added at the threaded connection between the stamp sleeve 21 and the driving member, and a first stopper can be arranged at the upper end of the external thread rod of the stamp sleeve 21, and a second stopper is arranged at the top end of the internal thread hole of the driving member, so that when the stamp sleeve 21 is screwed with the driving member by rotating, the first stopper can abut against the second stopper, so that the stamp sleeve 21 and the driving member form a directional connection, the protrusion 211 can be always fixed in a desired direction, the same direction and position can be maintained when the stamp sleeve 21 is fixed with the driving member each time, and when the stamp sleeve 21 enters the inner housing 11, the position of the protrusion 211 and the strip-shaped slot can always match, the convex part 211 can be clamped in the strip-shaped clamping groove, so that the seal sleeve 21 can be directly prevented from rotating. When the stamp sleeve 21 slides up and down, the convex portion 211 also slides up and down along the bar-shaped slot.

Preferably, referring to fig. 2, 3, 6 and 7, the limiting assembly includes an electromagnet 41 disposed inside the inner housing 11 and a strip groove 42 vertically disposed inside the driving member, an armature 411 of the electromagnet 41 is disposed in the strip groove 42, and the control module 31 limits a distance that the driving member moves up and down by controlling whether the electromagnet 41 is powered and matching with the strip groove 42.

When the electromagnet 41 is not energized, the armature 411 is disposed in the bar-shaped groove 42, and the distance that the driving member can slide up and down is limited to the distance that the armature 411 can slide up and down in the bar-shaped groove 42. Specifically, the driving member slides along the inner housing 11, so that when the seal cover 21 is driven to move up and down, at this time, the armature 411 can slide up and down along the strip-shaped groove 42, when the armature 411 abuts against the top end of the strip-shaped groove 42, the driving member cannot slide down any more, and the seal cover 21 cannot move down either, and only a corresponding instruction can be input into the control module 31, so that the coil of the electromagnet 41 is energized, the armature 411 is attracted back, the armature 411 is no longer clamped in the strip-shaped groove 42, and then the driving member can continue to drive the seal cover 21 to move down along the inner housing 11, so that the seal cover 21 moves out of the inside of the inner housing 11 and moves out of the bottom opening of the inner housing 11.

Specifically, in the present embodiment, the length of the bar-shaped groove 42 is determined according to the distance from the original position of the stamp face of the stamp 51 to the position where the stamp face of the stamp 51 slides down to be flush with the plane of the bottom opening of the inner housing 11, that is, the length of the bar-shaped groove 42 is equal to the distance from the original position of the stamp face of the stamp 51 to the plane of the bottom opening of the inner housing 11. Therefore, the limiting assembly is mainly used for limiting the downward movement distance of the stamp sleeve 21, specifically, the stamp face of the stamp 51 at the bottom of the stamp sleeve 21 can only reach the bottom opening plane of the inner shell 11 at the lowest level, that is, the stamp face of the stamp 51 can dip in inkpad or stamp, but the stamp face does not exceed the bottom opening plane of the shell, and meanwhile, the convex part 211 cannot move out of the outer part of the inner shell 11.

Referring to fig. 7, the control module 31 at least includes a power supply unit, a microprocessor, a memory, and a driving unit, the power supply unit is electrically connected to an input terminal of the microprocessor, the power supply unit includes a power switch switching circuit and a storage battery and/or a commercial power circuit, and the storage battery can directly supply power or directly connect with a commercial power to supply power to the control module 31; the memory is connected with the input end of the microprocessor and used for storing relevant data such as a control program for controlling the electromagnet 41, a starting instruction and the like; the input end of the driving unit is electrically connected with the output end of the microprocessor, the output end of the driving unit is electrically connected with the electromagnet 41, and whether the electromagnet 41 is electrified or not can be controlled by inputting a corresponding instruction to the microprocessor. Specifically, in order to input a corresponding instruction to the control module 31, the control module 31 further includes a key unit and/or a wireless communication unit, and the microprocessor can send a signal for controlling the electromagnet 41 to be powered by inputting a corresponding password instruction through the key unit, wherein the key unit can be arranged at the top end of the inner housing 11, so that an operator can input a corresponding instruction conveniently; or signal transmission is realized through the wireless communication unit and the background terminal, and a corresponding instruction can be directly generated to the microprocessor through the background terminal, so that the microprocessor sends a signal for controlling the electromagnet 41 to be electrified; the wireless communication unit can adopt a GPRS unit or a WCDMA unit to realize wireless signal transmission. The program in which the microprocessor controls the electromagnet 41 to be powered according to the instruction is a conventional program. Therefore, the control module 31 can only enable the electromagnet 41 to be powered when sending a correct command to the microprocessor, so that the limit distance for driving the seal cover 21 by the driving part can be removed, the situation that an unauthorized person privately detaches the seal cover 21 can be avoided, and the situation that the seal 51 is replaced or stolen can be avoided.

In addition, the microprocessor can be replaced by a single chip microcomputer or a PLC (programmable logic controller), can be selected according to the cost and the function expansion requirement, and can mainly control the action of the electromagnet 41.

Because the seal cover 21 is detachably screwed to the driving member, if the sliding distance of the seal cover 21 is not limited, the operator can drive the seal cover 21 to go beyond the bottom opening of the inner housing 11, so that the convex portion 211 is separated from the inside of the inner housing 11 without being blocked by the blocking portion 111, and the seal cover can be detached from the driving member, thereby privately replacing or stealing the seal 51. In the practical use process of seal machine, what the enterprise need stamp is the majority staff of company, consequently the restriction subassembly, then can let the inside personnel of company have the right to drive part drive seal 51 makes the seal face can realize dipping in the action of inkpad or stamping, but only has senior managers, has the instruction of unblock restriction subassembly promptly to control the instruction that electro-magnet 41 got electricity if lawful person, makes the seal machine only can let senior managers can carry out the operation dismantled to seal 51. The security of the stamp 51 is effectively improved.

Preferably, referring to fig. 2 to 6, the driving component includes an outer shell 12 and a connecting piece 13, guide rails 121 are arranged on two sides inside the outer shell 12, and a sliding slot 112 matched with the guide rails 121 is arranged on the inner shell 11; the outer shell 12 is sleeved on the inner shell 11, and the outer shell 12 slides up and down along the sliding groove 112; connecting piece 13 locates the inside of interior casing 11 and with shell body 12 fixed connection, the lower extreme and the seal cover 21 threaded connection of connecting piece 13, shell body 12 passes through drive connecting piece 13 and drives seal cover 21 and slide from top to bottom along the inside of interior casing 11, both sides still overlap respectively on the guide rail 121 and be equipped with guide rail cover 122, both sides guide rail cover 122 is arranged in respectively between corresponding guide rail 121 and spout 112, bar groove 42 is located on the guide rail cover 122 of one side. The upper ends of the guide rail sleeves 122 on the two sides are fixedly connected with the corresponding guide rails 121 through screws respectively, and the guide rail sleeves 122 and the guide rails 121 can be conveniently disassembled and assembled by adopting a screw structure.

Specifically, in-service use, the bottom opening lid of interior casing 11 is in the top of the face of stamping, the operator then accessible manual mode with shell 12 down slide, then shell 12 drive connecting piece 13 and seal cover 21 remove, thereby drive seal 51 along the inside of interior casing 11 down slide, seal 51 then removes the position that the bottom opening of interior casing 11 aimed at and realizes that the face of stamping dips in the inkpad or stamp, because electro-magnet 41 is the state that can not be electrified, armature 411 can withstand the top of bar groove 42, then shell 12 can not slide down again. Pushing outer housing 12 down can continue only after the restraining assembly is released.

In addition, guide rail 121 and spout 112 all are equipped with two, and the both sides of shell body 12 inner wall are located respectively to two guide rails 121, and the inner wall both sides of interior casing 11 are located respectively to two spout 112, set up two guide rails 121 and two spout 112 respectively, can improve shell body 12, connecting piece 13, seal cover 21 and seal 51 and slide the stability of in-process at last, dynamics and direction when making seal 51 stamp keep stable, improve the position accuracy of stamp, the colour degree of consistency and the definition of seal impression. Add guide rail cover 122, can improve the life of guide rail 121 effectively, avoid guide rail 121 and spout 112 direct counterbalance to rub and cause wearing and tearing, still can improve the stability of shell body 12 at last lower sliding process simultaneously, and keep the synchronism when shell body 12 and seal whereabouts, can avoid shell body 12 to take place the skew at last lower sliding process and cause seal face emergence direction skew originally downward of seal 51, influence the effect that stamping or seal face dip in the inkpad.

Preferably, the inner housing 11 and the outer housing 12 are both hollow structures, a through groove is formed below the sliding groove 112 of the inner housing 11, the bottom of the guide rail 121 can be fixedly connected with the connecting piece 13 by screws or welding, in this embodiment, screws are preferably adopted for fixed connection, the connecting piece 13 and the outer housing 12 can be detachably connected, the connecting piece 13 and the outer housing 12 can be conveniently overhauled and/or replaced, and meanwhile, after being detached, each component can be conveniently collected and stored, so that convenience is improved; in addition, the inner shell 1111 and the outer shell 12 are both hollow structures, and a through groove is formed, so that the outer shell 12 can pass through the inner shell 11 to be fixedly connected with the connecting piece 13 arranged in the inner shell 11, and the outer shell 12 can drive the connecting piece 13 to drive the stamp 51 to synchronously slide up and down.

Preferably, a threaded rod is arranged at the upper end of the stamp sleeve 21, and an internal threaded hole matched with the threaded rod is arranged at the lower end of the connecting piece 13. The stamp sleeve 21 is fixedly connected with the connecting piece 13 through a thread structure, and meanwhile, the stamp sleeve 21 and the connecting piece 13 are convenient to disassemble and assemble.

Preferably, referring to fig. 10 and 11, a groove capable of accommodating stamp 51 is formed at the lower end of stamp sleeve 21, at least two screw holes 212 and a locking screw 213 are formed at the periphery of stamp sleeve 21, screw holes 212 are arranged in the horizontal direction and communicated with the groove, locking screw 213 penetrates screw holes 212 and is tightly connected with the upper end of stamp 51, and convex portion 211 is formed at the outermost side of stamp sleeve 21. The upper end of the seal 51 is placed into the groove, each locking screw 213 is gradually locked, the seal 51 can be clamped between the locking screws 213, the seal 51 is fixed, then the seal sleeve 21 is fixed on the connecting piece 13 through the threaded rod, and the purpose that the seal 51 is stamped by the driving part is achieved.

Preferably, an annular rubber ring 214 is arranged in the middle of the groove, and the rubber ring 214 is used for sleeving the upper end of the stamp 51 and is clamped between the stamp 51 and the locking screw 213. Set up elastic rubber ring 214, when putting into seal 51, can tentatively fix a position seal 51's position, improve the efficiency of installation, locate seal 51 and locking screw 213 with rubber ring 214 simultaneously between, in the installation, if seal 51 atress is uneven, can avoid locking screw 213 to cause the condition of damage to seal 51, in this embodiment, rubber ring 214 and seal 51 upper end are cylindrical, the diameter of rubber ring 214 slightly is less than the diameter of seal 51 upper end, then the elastic action of usable rubber ring 214, carry out preliminary clamping action to seal 51, can further improve the installation effectiveness.

Preferably, the screw holes 212 and the locking screws 213 are respectively provided with four and uniformly distributed around the stamp sleeve 21, and the four locking screws 213 are uniformly arranged along the periphery, so that the clamping force and stability of the stamp 51 can be further improved, the upper end of the stamp 51 can be uniformly stressed, and the damage caused by uneven stress can be avoided.

Preferably, a rubber pad is arranged at the periphery of the opening of the groove, and is arranged between the upper part of the seal 51 and the opening of the groove, so that the seal machine can avoid damage caused by extrusion of the seal sleeve 21 on the seal 51 in the process of stamping, and the service lives of the seal sleeve 21 and the seal 51 can be respectively prolonged.

Preferably, referring to fig. 2, 3, 8 and 9, a cross frame 113 is further provided at an upper end of the inside of the inner housing 11, and the electromagnet 41 is fixed to an upper end of the cross frame 113. The cross frame 113 is provided to keep the position of the electromagnet 41 fixed, ensure the engagement between the armature 411 and the groove 42, and achieve the effect of limiting the sliding distance of the driving member.

Preferably, the control module 31 is fixed above the cross frame 113 and is fixedly connected with the inner housing 11. The control module 31 may be fixed to the inner housing 11 by a fixing frame and a bolt structure.

Preferably, the driving part further comprises a return spring 61, one end of the return spring 61 is fixedly connected with the lower end of the cross frame 113, and the other end of the return spring 61 is fixedly connected with the upper end of the connecting piece 13.

In practical use, the inner shell 11 is placed at a stamping position, the outer shell 12 is directly and manually slid downwards, at the moment, the inner shell 11 is kept still, the outer shell 12 drives the connecting piece 13 to drive the stamp 51 to slide downwards along the inside of the inner shell 11, the stamp 51 moves to a position aligned with the bottom opening of the inner shell to dip inkpad on the stamp face or stamp, in the process, the reset spring 61 can stretch along with the downward sliding of the connecting piece 13, when the acting force on the outer shell 12 is stopped, the elastic piece can recover the original shape under the action of elastic deformation, the connecting piece 1322 is pulled back to the original position, the connecting piece 13, the stamp 51, the stamp sleeve 21 and the outer shell 12 synchronously return to the original position, in the process, the electromagnet 41 keeps the state of no power supply, and the armature 411 can slide along with the outer shell 12 in the strip-shaped groove 42; if the seal cover 21 needs to be detached or installed, it is necessary that the outer shell 12 can continuously slide downward, the limiting assembly needs to be unlocked through the control module 31, and the return spring 61 continues to be stretched during the downward sliding process of the outer shell 12.

If the seal cover 21 needs to be disassembled, when the convex portion 211 moves out of the inner housing 11, the seal cover 21 can be grasped and the seal cover 21 can be rotated, the return spring 61 is prevented from pulling the seal cover back to the original position, the seal cover 21 can be disassembled from the driving part, after the disassembly, the outer housing 12 is loosened, the return spring 61 can pull the connecting piece 13 back to the original position due to the deformation effect, a corresponding signal can be sent to the control module 31, the electromagnet 41 is powered off, and the armature 411 is reset and placed in the strip-shaped groove 42.

If the seal sleeve 21 is installed, the outer shell 12 can be slid to the lowest position, then the threaded rod of the seal sleeve 21 extends into the inner shell 11 and is fixedly connected with the inner threaded hole of the connecting piece 13 through rotation, after the seal sleeve is installed, the outer shell 12 is loosened, the return spring 61 can pull the connecting piece 13 back to the original position due to the deformation effect, a corresponding signal can be sent to the control module 31, the electromagnet 41 can be powered off, and the armature 411 is reset and placed in the strip-shaped groove 42.

The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be all included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.

Claims

1. A portable stamping machine with a seal sleeve anti-disassembly structure comprises a stamping machine body and a seal sleeve (21), wherein the stamping machine body comprises an inner shell (11) and a driving component in sliding connection with the inner shell (11), the seal sleeve (21) is arranged in the inner shell (11) and in threaded connection with the driving component, and the driving component drives the seal sleeve (21) to move up and down along the inner shell (11); the method is characterized in that: interior casing (11) upper end still is equipped with control module (31) and with control module (31) electric connection's restriction subassembly, restriction subassembly is used for restricting drive component along interior casing (11) gliding distance, the inner wall of interior casing (11) is close to the bottom and is equipped with at least one fender portion (111), the outside of seal cover (21) is equipped with at least one convex part (211), fender portion (111) are used for restricting the rotation of convex part (211).

2. The portable stamping machine with seal cover anti-disassembly structure as claimed in claim 1, wherein: the stopper (111) is a bar-shaped block extending from the bottom of the inner case (11) toward the inside of the inner case (11).

3. The portable stamping machine with seal cover anti-disassembly structure as claimed in claim 1, wherein: the limiting assembly comprises an electromagnet (41) arranged inside the inner shell (11) and a strip-shaped groove (42) vertically arranged inside the driving part, an armature (411) of the electromagnet (41) is arranged in the strip-shaped groove (42), and the control module (31) controls whether the electromagnet (41) is electrified or not and matches with the strip-shaped groove (42) to limit the distance of the driving part in the vertical moving mode.

4. The portable stamping machine with seal cover anti-disassembly structure as claimed in claim 3, wherein: the driving component comprises an outer shell (12) and a connecting piece (13), guide rails (121) are arranged on two sides inside the outer shell (12), and a sliding groove (112) matched with the guide rails (121) is arranged on the inner shell (11); the outer shell (12) is sleeved on the inner shell (11), and the outer shell (12) slides up and down along the sliding groove (112); connecting piece (13) locate the inside of interior casing (11) and with shell body (12) fixed connection, the lower extreme and seal cover (21) threaded connection of connecting piece (13), shell body (12) slide from top to bottom along the inside of interior casing (11) through drive connection spare (13) drive seal cover (21), both sides still overlap respectively on guide rail (121) and be equipped with guide rail cover (122), both sides guide rail cover (122) are arranged respectively in between corresponding guide rail (121) and spout (112), bar groove (42) are located on guide rail cover (122) of one side.

5. The portable stamping machine with seal cover anti-disassembly structure as claimed in claim 4, wherein: the upper end of the seal sleeve (21) is provided with a threaded rod, and the lower end of the connecting piece (13) is provided with an internal threaded hole matched with the threaded rod.

6. The portable stamp making machine having a seal cover detachment prevention structure according to claim 1 or 5, characterized in that: the lower extreme of seal cover (21) is equipped with the recess that can hold seal (51), and the periphery of seal cover (21) is equipped with two screw holes (212) and locking screw (213) at least, screw hole (212) set up and communicate with the recess along the horizontal direction, locking screw (213) pass screw hole (212) and with the upper end zonulae occludens of seal (51), the outside of seal cover (21) is located in convex part (211).

7. The portable stamping machine with seal cover anti-disassembly structure as claimed in claim 6, wherein: the middle of the groove is provided with an annular rubber ring (214), and the rubber ring (214) is used for sheathing the upper end of the stamp (51) and is clamped between the stamp (51) and the locking screw (213).

8. The portable stamping machine with seal cover anti-disassembly structure as claimed in claim 3, wherein: the upper end in the inner shell (11) is further provided with a transverse frame (113), and the electromagnet (41) is fixed to the upper end of the transverse frame (113).

9. The portable stamping machine with seal cover anti-disassembly structure as claimed in claim 8, wherein: the control module (31) is fixed at the upper end of the transverse frame (113) and is fixedly connected with the inner shell (11).

10. The portable stamping machine with seal cover anti-disassembly structure as claimed in claim 8, wherein: the driving part further comprises a return spring (61), one end of the return spring (61) is fixedly connected with the lower end of the cross frame (113), and the other end of the return spring (61) is fixedly connected with the upper end of the connecting piece (13).