CN109435506A - Safety stamp - Google Patents
Safety stamp Download PDFInfo
- Publication number
- CN109435506A CN109435506A CN201910038178.8A CN201910038178A CN109435506A CN 109435506 A CN109435506 A CN 109435506A CN 201910038178 A CN201910038178 A CN 201910038178A CN 109435506 A CN109435506 A CN 109435506A
- Authority
- CN
- China
- Prior art keywords
- spring
- oil circuit
- chamber
- oil
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004519 grease Substances 0.000 claims abstract description 30
- 238000013475 authorization Methods 0.000 claims abstract description 25
- 239000011796 hollow space material Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
- B41K1/36—Details
- B41K1/58—Stands or other means for keeping hand stamps or the like within easy reach
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
- B41K1/36—Details
Landscapes
- Actuator (AREA)
Abstract
The present invention provides a kind of safety stamp, is mainly made of inside and outside shell, spring, grease chamber, piston, connecting rod, oil circuit, two-position three-way valve, hydraulic rotor, lock tongue, lock ring, chapter body.When safety stamp does not have external authorization, lock tongue enters the hollow space in lock ring, and lock tongue is unable to drive lock ring and chapter body continues to move downward, and safety stamp can not cover out chapter.When safety stamp is by external authorization, lock tongue cannot be introduced into hollow space in lock ring, and lock tongue squeezes lock ring etc. and chapter body is driven to move downward, and reach effect of affixing one's seal.After the completion of once affixing one's seal, which can return to original state, when needing to affix one's seal again, after receiving external authorization, repeat the above process.The configuration of the present invention is simple, cost is lower, makes chapter body that can just be ejected after external authorization, protects it from arbitrarily being used, while avoiding the case where repeatedly being affixed one's seal after a sub-authorization, increases the safety in seal use.
Description
Technical field
The present invention relates to instrument seal more particularly to a kind of safety stamps.
Background technique
Seal is used as being printed on the tool that identification is indicated on file, therefore, has in everyday commerce activity extensive
Using, business contact between enterprise and it is various declare, examine during require using seal.Enterprise was for covering
The file of seal must all bear a legal liability, and for the safety of enterprise, seal could use after having to pass through authorization.Traditional print
Chapter does not have a safety precautions, and when and where seal by who use is being difficult to manage.For example, Chinese patent notification number
CN103009834B, proposes a kind of safety stamp, feature include shell, button, the first elastic element, setting button, under
The chapter body at end, the second elastic element, the locking device for locking seal, the crypto control unit for controlling the locking device,
The invention is locked seal using crypto control unit or opens seal, but the inventive structure is complicated, is related to camera, USB
Interface, memory card etc., higher cost.Chinese patent notification number CN106056184B proposes a kind of safety stamp system and anti-fake
Method, safety stamp system include seal ontology, management server, storage unit, key group, indicator light, voice output module,
Fingerprint identification module, GPS module, pressure sensor, display screen etc., but its that there are components is more, cost is high, uses
The disadvantages of stability is poor, and maintenance difficulty is high.Therefore, it is necessary to a kind of safety stamps of simple structure and low cost, easy to carry to come
Protect the everyday commerce activity of enterprise.
Summary of the invention
The present invention problem not strong for safety in existing seal use process, provides a kind of safety stamp, both protected
Safety in seal use, and there is certain flexibility, convenience.
The technical scheme is that a kind of safety stamp, including shell, inner casing, spring A, spring B, spring C, spring
D, spring E, grease chamber, piston, connecting rod, oil circuit A, oil circuit B, oil circuit C, oil circuit D, oil circuit E, two-position three-way valve, hydraulic rotor, lock
Tongue, lock ring, Zhang Ti, the spring A are connected between shell and grease chamber top, and the piston is placed within grease chamber, piston
Grease chamber is divided into upper chamber and lower oil chamber, the grease chamber is closed, full of oil in the grease chamber, passes through between piston and shell
Connecting rod is connected, oil circuit A connection upper chamber and two-position three-way valve, oil circuit B connection two-position three-way valve and hydraulic rotor, oil circuit C and liquid
Press rotor, oil circuit D, oil circuit E to be connected, oil circuit D is connected with two-position three-way valve, oil circuit C, oil circuit E, oil circuit E and lower oil chamber, oil circuit C,
Oil circuit D is connected, and the lock tongue is connected by shaft with hydraulic rotor, spring B, spring C be connected to grease chamber top and inner casing it
Between, spring D, spring E are connected between lock ring and inner casing, and lock ring is connect with chapter body, and the two-position three-way valve is by external authorization
Control, the hydraulic rotor include rotor case, rotor, stator, shaft, chamber a, chamber b, quilt in the hydraulic rotor
Rotor and stator are divided into chamber a, chamber b two spaces, and chamber a, chamber b are connect full of oil, oil circuit B with chamber b, oil circuit C
It is connect with chamber a, rotor is connect with shaft, and lock tongue is connect with shaft, and rotor rotation can drive lock tongue to rotate, in the lock ring
Hollow out, the shape of hollow out and the shape of lock tongue are corresponding.
Further, the external authorization control of the two-position three-way valve can be by coded lock or fingerprint lock control.
Further, the coefficient of elasticity of the spring A is KA, the coefficient of elasticity of spring B is KB, the coefficient of elasticity of spring C
For KC, wherein KA< (KB+KC).
Further, the spring A, spring B, spring C, spring D, spring E are pressure spring.
Further, the property of the oil is incompressible.
In the initial state, two-position three-way valve connects oil circuit A and oil circuit D, lock tongue and lock to safety stamp of the present invention
The hollow space of ring is corresponding, grease chamber, oil circuit A, oil circuit B, oil circuit C, oil circuit D, oil circuit E, two-position three-way valve, hydraulic rotor chamber
Full of oil in a and chamber b.
When safety stamp does not have external authorization, two-position three-way valve connects oil circuit A and oil circuit D, presses the outer of safety stamp
When shell, spring A is first compressed, and piston moves downward, and successively along oil circuit E, oil circuit D, oil circuit A is flowed back to oil the oil in lower oil chamber
Room continues to press shell, and spring B, spring C are compressed, and grease chamber, oil circuit A, oil circuit B, oil circuit C, oil circuit D, oil circuit E, two are driven
Position three-way valve, hydraulic rotor, lock tongue move downward, and lock tongue enters the hollow space in lock ring, and lock tongue is unable to drive lock ring and chapter
Body continues to move downward, and safety stamp can not cover out chapter.
When safety stamp is by external authorization, two-position three-way valve connects oil circuit A and oil circuit B, presses the outer of safety stamp
When shell, spring A is first compressed, and piston moves downward, and the oil in lower oil chamber successively enters chamber a, chamber along oil circuit E, oil circuit C
Pressure elevated band turn rotates clockwise in a, and rotor drives lock tongue rotation, and the oil in chamber b is squeezed followed by oil
Road B, oil circuit A are returned in upper chamber, when rotor goes to the nozzle of oil circuit B, block oil circuit B, and rotor no longer rotates, tongue lock rotation
To position not corresponding with hollow space in lock ring, continue to press shell, spring B, spring C are compressed, and grease chamber, oil circuit are driven
A, oil circuit B, oil circuit C, oil circuit D, oil circuit E, two-position three-way valve, hydraulic rotor, lock tongue move downward, and lock tongue cannot be introduced into lock ring
Hollow space, lock tongue squeeze lock ring, spring D, spring E, chapter body and move downward, and reach effect of affixing one's seal.After the completion of once affixing one's seal,
Spring A, spring B, spring C, spring D, spring E are sprung back, piston upwards, negative pressure are formed in lower oil chamber, oil is successively from chamber
A, oil circuit C, oil circuit E are flowed back into lower oil chamber, and negative pressure is formed in chamber a；Piston upwards, upper chamber compression, oil successively from
Upper chamber, oil circuit B, presses to b chamber at oil circuit A, and oily drive rotor rotates counterclockwise, when pressure is flat in grease chamber, chamber a, chamber b
When weighing apparatus, rotor stops operating, and lock tongue returns to position when original state, and two-position three-way valve returns to original state.It needs to cover again
Zhang Shi after receiving external authorization, is repeated the above process.
The beneficial effects of the present invention are:
1, the present invention makes chapter body could be by bullet after external authorization using the change of two-position three-way valve control oil circuit come rotating lock tongue
Out, protection is not used arbitrarily.
2, the present invention utilizes the compression and rebound of spring, guarantees that seal is affixed one's seal every time and requires to avoid by external authorization
The case where repeatedly being affixed one's seal after one sub-authorization increases the safety in seal use.
3, the external control of safety stamp of the invention can be moved everywhere by coded lock, fingerprint lock control, have one
Fixed flexibility and convenience, the configuration of the present invention is simple, cost are lower.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is hydraulic rotor of the invention, lock tongue, lock ring press the status diagram of shell in no external authorization；
Fig. 3 is hydraulic rotor of the invention, lock tongue, lock ring press the status diagram of shell after external authorization；
Fig. 4 is that the present invention presses the overall schematic after shell in no external authorization；
Fig. 5 is that the present invention presses the overall schematic after shell in external authorization；
In figure, shell 1, inner casing 16, spring A 2, spring B 12, spring C 13, spring D 14, spring E 15, grease chamber 4, piston
5, connecting rod 3, oil circuit A 7, oil circuit B 8, oil circuit C 9, oil circuit D 10, oil circuit E 11, two-position three-way valve 20, hydraulic rotor 6, lock tongue
18, lock ring 17, Zhang Ti 19, rotor case 61, rotor 62, stator 63, shaft 66, chamber a 64, chamber b 65.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate this hair
It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology
Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Fixed range.
Embodiment 1,
As shown in Figure 1, safety stamp provided by the invention, including shell 1, inner casing 16, spring A 2, spring B 12, spring C
13, spring D 14, spring E 15, grease chamber 4, piston 5, connecting rod 3, oil circuit A 7, oil circuit B 8, oil circuit C 9, oil circuit D 10, oil circuit E
11, two-position three-way valve 20, hydraulic rotor 6, lock tongue 18, lock ring 17, Zhang Ti 19, the spring A 2 are connected to shell 1 and grease chamber
Between 4 tops, the piston 5 is placed within grease chamber 4, and piston 5 divides grease chamber 4 for upper chamber and lower oil chamber, the grease chamber 4
It is closed, it is connected between piston 5 and shell 1 by connecting rod 3, the connection upper chamber of oil circuit A 7 and two-position three-way valve 20, oil circuit B 12 connect
Connect two-position three-way valve 20 and hydraulic rotor 6, oil circuit C 9 is connected with hydraulic rotor 6, oil circuit D 10, oil circuit E 11, oil circuit D 10 with
Two-position three-way valve 20, oil circuit C 9, oil circuit E 11 are connected, and oil circuit E 11 is connected with lower oil chamber, oil circuit C 9, oil circuit D 10, described
Lock tongue 18 be connected with hydraulic rotor 6 by shaft 66, spring B 12, spring C 13 are connected between grease chamber top and inner casing,
Spring D 14, spring E 15 are connected between lock ring 17 and inner casing 16, and lock ring 17 is connect with chapter body 19, the two-bit triplet
Valve 20 is controlled by external authorization, and the hydraulic rotor 6 includes rotor case 61, rotor 62, stator 63, shaft 66, chamber a
64, chamber b 65, the hydraulic rotor 6 is interior to be divided into chamber a 64,65 two spaces of chamber b by rotor 62 and stator 63,
Full of oil, oil circuit B 8 connect with chamber b 65 by chamber a 64, chamber b 65, and oil circuit C 9 is connect with chamber a 64, rotor 62 and
Shaft 66 connects, and lock tongue 18 is connect with shaft 66, and the rotation of rotor 62 can drive lock tongue 18 to rotate, hollow out in the lock ring 17,
The shape of hollow out is corresponding with the shape of lock tongue 18, and the external authorization control of the two-position three-way valve 20 can be controlled by coded lock,
The coefficient of elasticity of the spring A 2 is KA, the coefficient of elasticity of spring B 12 is KB, the coefficient of elasticity of spring C 13 is KC, wherein
KA< (KB+KC), the spring A 2, spring B 12, spring C 13, spring D 14, spring E 15 are pressure spring.The oil
Property be it is incompressible.
In the initial state, two-position three-way valve 20 connects oil circuit A 7 and oil circuit D 10, lock to safety stamp of the present invention
Tongue 18 is corresponding with the hollow space of lock ring 17, as shown in Fig. 2, grease chamber 4, oil circuit A 7, oil circuit B 8, oil circuit C 9, oil circuit D 10,
Full of oil in two-position three-way valve 20, the chamber a 64 of hydraulic rotor 6 and chamber b 65.
When safety stamp does not have external authorization, two-position three-way valve 20 connects oil circuit A 7 and oil circuit D 14, presses safety print
When the shell 1 of chapter, spring A 7 is first compressed, and piston 5 moves downward, and the oil in lower oil chamber is successively along oil circuit E 11, oil circuit D
10, oil circuit A 7 flows back to upper chamber, continues to press shell 1, and spring B 12, spring C 13 are compressed, and grease chamber 4, oil circuit A are driven
7, oil circuit B 8, oil circuit C 9, oil circuit D 10, oil circuit E 11, two-position three-way valve 20, hydraulic rotor 6, lock tongue 18 move downward, lock
Tongue 18 enters the hollow space in lock ring 17, and lock tongue 18 is unable to drive lock ring 17 and chapter body 19 continues to move downward, safety stamp
Chapter can not be covered out, as shown in Figure 4.
When safety stamp is by external authorization, two-position three-way valve 20 connects oil circuit A 7 and oil circuit B 8, presses safety print
When the shell 1 of chapter, spring A 2 is first compressed, and piston 5 moves downward, and the oil in lower oil chamber is successively along oil circuit E 11, oil circuit C
9 enter chamber a 64, and pressure elevated band turn 62 rotates clockwise in chamber a 64, and rotor 62 drives lock tongue 18 to rotate, chamber
Oil in room b 65 is squeezed to be returned in upper chamber followed by oil circuit B 8, oil circuit A 7, when rotor 62 goes to oil circuit B's 8
When nozzle, oil circuit B 8 is blocked, rotor 62 no longer rotates, and tongue lock 18 turns to position not corresponding with hollow space in lock ring 17,
As shown in figure 3, continuing to press shell 1, spring B 8, spring C 9 are compressed, and drive grease chamber 4, oil circuit A 7, oil circuit B 8, oil
Road C 9, oil circuit D 10, oil circuit E 11, two-position three-way valve 20, hydraulic rotor 6, lock tongue 18 move downward, and lock tongue 18 cannot be introduced into
Hollow space in lock ring 17, lock tongue 18 squeeze lock ring 17, spring D 14, spring E 15, Zhang Ti 19 and move downward, and reach effect of affixing one's seal
Fruit, as shown in Figure 5.After the completion of once affixing one's seal, spring A 2, spring B 12, spring C 13, spring D 14, spring E 11 are returned
Bullet, piston 5 move upwards, and negative pressure is formed in lower oil chamber, and oil successively flows back into lower oil from chamber a 64, oil circuit C 9, oil circuit E 11
Interior, chamber a 64 is interior to form negative pressure；Piston upwards, upper chamber compression, oil is successively from upper chamber, oil circuit A 7, oil circuit B
8, chamber b 65 is pressed to, oily drive rotor rotates counterclockwise, and when pressure equilibrium in grease chamber 4, chamber a 64, chamber b 65, turns
Son 61 stops operating, and lock tongue 18 returns to position when original state, and two-position three-way valve 20 returns to original state.It needs to affix one's seal again
When, after receiving external authorization, repeat the above process.
Claims (5)
1. a kind of safety stamp, which is characterized in that including include shell 1, inner casing 16, spring A 2, spring B 12, spring C 13,
Spring D 14, spring E 15, grease chamber 4, piston 5, connecting rod 3, oil circuit A 7, oil circuit B 8, oil circuit C 9, oil circuit D 10, oil circuit E
11, two-position three-way valve 20, hydraulic rotor 6, lock tongue 18, lock ring 17, Zhang Ti 19, the spring A are connected to shell and grease chamber top
Between portion, the piston is placed within grease chamber, and grease chamber is divided into upper chamber and lower oil chamber by piston, and the grease chamber is closed, institute
Full of oil in the grease chamber stated, it is connected between piston and shell by connecting rod, oil circuit A connection upper chamber and two-position three-way valve, oil circuit B
Connection two-position three-way valve and hydraulic rotor, oil circuit C are connected with hydraulic rotor, oil circuit D, oil circuit E, oil circuit D and two-position three-way valve, oil
Road C, oil circuit E are connected, and oil circuit E is connected with lower oil chamber, oil circuit C, oil circuit D, and the lock tongue is connected by shaft with hydraulic rotor,
Spring B, spring C are connected at the top of grease chamber between inner casing, and spring D, spring E are connected between lock ring and inner casing, lock ring and chapter
Body connection, the two-position three-way valve are controlled by external authorization, and the hydraulic rotor includes rotor case, rotor, stator, turns
Axis, chamber a, chamber b, the hydraulic rotor is interior to be divided into chamber a, chamber b two spaces, chamber a, chamber by rotor and stator
Room b is connect full of oil, oil circuit B with chamber b, and oil circuit C is connect with chamber a, and rotor is connect with shaft, and lock tongue is connect with shaft, is turned
Son rotation can drive lock tongue to rotate, and hollow out in the lock ring, the shape of hollow out and the shape of lock tongue are corresponding.
2. safety stamp as described in claim 1, which is characterized in that the control of the external authorization of the two-position three-way valve can be by
Coded lock or fingerprint lock control.
3. safety stamp as described in claim 1, which is characterized in that the coefficient of elasticity of the spring A is KA, the bullet of spring B
Property coefficient is KB, the coefficient of elasticity of spring C is KC, wherein KA< (KB+KC).
4. safety stamp as described in claim 1, which is characterized in that the spring A, spring B, spring C, spring D, spring
E is pressure spring.
5. safety stamp as described in claim 1, which is characterized in that the property of the oil is incompressible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910038178.8A CN109435506B (en) | 2019-01-16 | 2019-01-16 | Safety seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910038178.8A CN109435506B (en) | 2019-01-16 | 2019-01-16 | Safety seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109435506A true CN109435506A (en) | 2019-03-08 |
| CN109435506B CN109435506B (en) | 2023-10-27 |
Family
ID=65544192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910038178.8A Active CN109435506B (en) | 2019-01-16 | 2019-01-16 | Safety seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109435506B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373210A (en) * | 2020-11-12 | 2021-02-19 | 人天通信集团有限公司 | Security printing system |
| CN112959831A (en) * | 2021-02-24 | 2021-06-15 | 邓艳梅 | Label printing device for packaging bags |
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| US20010006917A1 (en) * | 1999-12-27 | 2001-07-05 | Hiroshi Hashimoto | Relief valve built-in hydraulic tensioner |
| ATA51899A (en) * | 1999-03-22 | 2002-04-15 | Trodat Gmbh | handstamp |
| CN2616380Y (en) * | 2003-05-28 | 2004-05-19 | 邝仲平 | Stamp for preventing illegal use |
| US20050098385A1 (en) * | 2003-11-06 | 2005-05-12 | Aisin Seiki Kabushiki Kaisha | Oil supply system for engine |
| JP2007062262A (en) * | 2005-09-01 | 2007-03-15 | Glory Ltd | Seal device |
| CN103753982A (en) * | 2014-01-17 | 2014-04-30 | 黄海飞 | High-safety seal |
| CN103950307A (en) * | 2014-04-04 | 2014-07-30 | 成都三泰电子实业股份有限公司 | Seal locking device |
| WO2016015504A1 (en) * | 2014-07-31 | 2016-02-04 | 王东 | Intelligent seal protection and control device and seal management system |
| CN106183491A (en) * | 2015-05-08 | 2016-12-07 | 成都方程式电子有限公司 | Pirated-proof finger print stamp |
| CN107292475A (en) * | 2016-04-12 | 2017-10-24 | 中航联创科技有限公司 | Remote authorization print apparatus and system |
| WO2018000548A1 (en) * | 2016-07-01 | 2018-01-04 | 胡金钱 | Intelligent stamp with locking mechanism |
| CN108944097A (en) * | 2018-08-16 | 2018-12-07 | 上海建业信息科技股份有限公司 | It is a kind of to dip in inky cap chapter equipment and its application method automatically |
| CN109159555A (en) * | 2018-11-04 | 2019-01-08 | 宁波喜印科技有限公司 | A kind of push type intelligence seal |
| CN209534525U (en) * | 2019-01-16 | 2019-10-25 | 杭州米氪科技有限公司 | Safety stamp |
-
2019
- 2019-01-16 CN CN201910038178.8A patent/CN109435506B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA51899A (en) * | 1999-03-22 | 2002-04-15 | Trodat Gmbh | handstamp |
| US20010006917A1 (en) * | 1999-12-27 | 2001-07-05 | Hiroshi Hashimoto | Relief valve built-in hydraulic tensioner |
| CN2616380Y (en) * | 2003-05-28 | 2004-05-19 | 邝仲平 | Stamp for preventing illegal use |
| US20050098385A1 (en) * | 2003-11-06 | 2005-05-12 | Aisin Seiki Kabushiki Kaisha | Oil supply system for engine |
| JP2007062262A (en) * | 2005-09-01 | 2007-03-15 | Glory Ltd | Seal device |
| CN103753982A (en) * | 2014-01-17 | 2014-04-30 | 黄海飞 | High-safety seal |
| CN103950307A (en) * | 2014-04-04 | 2014-07-30 | 成都三泰电子实业股份有限公司 | Seal locking device |
| WO2016015504A1 (en) * | 2014-07-31 | 2016-02-04 | 王东 | Intelligent seal protection and control device and seal management system |
| CN106183491A (en) * | 2015-05-08 | 2016-12-07 | 成都方程式电子有限公司 | Pirated-proof finger print stamp |
| CN107292475A (en) * | 2016-04-12 | 2017-10-24 | 中航联创科技有限公司 | Remote authorization print apparatus and system |
| WO2018000548A1 (en) * | 2016-07-01 | 2018-01-04 | 胡金钱 | Intelligent stamp with locking mechanism |
| CN108944097A (en) * | 2018-08-16 | 2018-12-07 | 上海建业信息科技股份有限公司 | It is a kind of to dip in inky cap chapter equipment and its application method automatically |
| CN109159555A (en) * | 2018-11-04 | 2019-01-08 | 宁波喜印科技有限公司 | A kind of push type intelligence seal |
| CN209534525U (en) * | 2019-01-16 | 2019-10-25 | 杭州米氪科技有限公司 | Safety stamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373210A (en) * | 2020-11-12 | 2021-02-19 | 人天通信集团有限公司 | Security printing system |
| CN112959831A (en) * | 2021-02-24 | 2021-06-15 | 邓艳梅 | Label printing device for packaging bags |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109435506B (en) | 2023-10-27 |
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