CN101560851B - Electric lock - Google Patents
Electric lock Download PDFInfo
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- CN101560851B CN101560851B CN 200910203323 CN200910203323A CN101560851B CN 101560851 B CN101560851 B CN 101560851B CN 200910203323 CN200910203323 CN 200910203323 CN 200910203323 A CN200910203323 A CN 200910203323A CN 101560851 B CN101560851 B CN 101560851B
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- dead bolt
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- slide block
- bar
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Abstract
The invention relates to an electric lock named as an electric lock and aims at solving the technical problem that as no buffer gear exists between a bolt and a guide screw of the existing electric lock, the guide screw or a micro motor is easy to be damaged. The technical scheme of the invention is as follows: the electric lock comprises a lock body 1, a motor 2 and a bolt 3 which can extend out of or retract into the lock body. The output shaft of the motor 2 is connected with a driving device, and a spring 4 is arranged between the driving device and the bolt 3. If the bolt 3 is obstructed when extending out of the lock body 1, the spring 4 has buffer effect, thus protecting the motor 2 and the driving device from being damaged.
Description
Technical field:
The present invention relates to a kind of electric lock.
Background technology:
On June 21st, 2006 disclosed an application for a patent for invention that is called remote controlled electric lock on the Gazette of Patent for Invention, application number is: 200510045546.X, publication number is: CN1789646.This patent application remote controlled electric lock comprises lock body and dead bolt extended or the indentation lock body.Be provided with micro machine in the lock body, the output of micro machine is provided with leading screw, and the rear end that dead bolt is positioned at lock body is provided with a hole, and leading screw matches to merge with the silk hole and can promote the extended or retracted lock body of dead bolt under the driving of micro machine.Because in this patent application, leading screw directly drives dead bolt, when stretching out, dead bolt do not have the mechanism of buffering, if can not accurately enter lockhole when dead bolt stretches out, dead bolt will be obstructed, and may damage leading screw or micro machine like this, and can not be with lockings such as the door of needs lockings, windows.
Summary of the invention:
The technical problem to be solved in the present invention is, do not have buffer gear between existing electric lock dead bolt and the leading screw, easily damages leading screw or micro machine.For solving this technical problem, the present invention by the following technical solutions: electric lock comprises lock body 1, motor 2 and can stretch out and the dead bolt 3 of retraction lock body.The output shaft of motor 2 connects with drive unit, has spring 4 between drive unit and the dead bolt 3.Drive unit comprises leading screw 5 and slide block 6, the screw-internal thread fit on the external screw thread on the leading screw 5 and the slide block 6.Leading screw 5 is driven by motor 2, and an end of spring 4 contacts with slide block 6, and the other end contacts with dead bolt 3.Its special character is: lock body 1 has the first hole 7 that cooperates with dead bolt 3, and dead bolt 3 is sleeved in the first hole 7.Dead bolt 3 has the second hole 8, and spring 4 is enclosed within the second hole 8.Have the first bar-shaped trough 9 that connects with the first hole 7 on the lock body 1, have with the second bar-shaped trough 10, the first bar-shaped troughs 9 of the second hole 8 perforations corresponding with the second bar-shaped trough 10 on the dead bolt 3.Slide block 6 passes the first bar-shaped trough 9 and the second bar-shaped trough 10 enters in the second hole 8 of dead bolt 3, on the leading screw 5 external screw thread in the second hole 8 of dead bolt 3 with slide block 6 on screw-internal thread fit.One end of spring 4 contacts with the bottom in the second hole 8 of dead bolt 3, and the other end contacts with slide block 6.
Drive unit is driven by motor 2, and drive unit is not directly to drive dead bolt 3 to move, but moves by spring 4 Indirect driven dead bolts 3.In the dead bolt 3 outwardly directed processes, if when running into object and hindering it and stretch out, spring 4 can play the effect of buffering.The output shaft of motor 2 connects with drive unit and is not limited to direct connection, the output shaft of motor 2 also can connect with drive unit indirectly by other device, and for example, the output shaft of motor 2 connects with the power shaft of reducer, the output shaft of reducer connects with drive unit, etc.Motor 2 also can adopt the motor with reducer.In a word, as long as the employing motor directly or indirectly drives drive unit, all in protection scope of the present invention.Motor 2 is generally with control circuit, and control circuit control motor 2 starts, stops, rotating and reverse.
Cooperating between the first hole 7 of lock body 1 and the dead bolt 3 is not limited to direct cooperation, also can cooperate with dead bolt 3 by other component are installed in lock body 1.Dead bolt 3 can move forward and backward in the first hole 7 of lock body 1, and the 7 pairs of dead bolts 3 in the first hole play the guiding role.9 pairs of slide blocks 6 of the first bar-shaped trough on the lock body 1 play the guiding role, and it can only move forward and backward along the first bar-shaped trough 9 slide block 6, can not rotate.When slide block 6 moved forward, slide block 6 drove dead bolt 3 by spring 4 and stretches out lock body 1.When slide block 6 moved backward, slide block 6 contacted with dead bolt 3, was directly driven in the dead bolt 3 retraction lock bodies 1 by slide block 6.
The first hole 7 of lock body 1 of the present invention is circular port, and the external surface that dead bolt 3 cooperates with the first hole 7 is the face of cylinder.The second hole 8 of dead bolt 3 is circular port, and the second hole 8 is coaxial with leading screw 5.
Circle first hole 7 of the cylindrical outer surface of dead bolt 3 and lock body 1 cooperatively interacts, and dead bolt 3 can move forward and backward in the first hole 7, makes dead bolt 3 stretch out or retract at lock body 1.
The present invention can also be equipped with lining 17 in the first hole 7 of lock body 1.Lining 17 has circular port 18, and the external surface of dead bolt 3 is the face of cylinder, and dead bolt 3 is sleeved in the circular port 18 of lining 17, and the cylindrical outer surface of dead bolt 3 cooperates with the circular port 18 of lining 17.The second hole 8 of dead bolt 3 is circular port, and the second hole 8 is coaxial with leading screw 5.
The circular port 18 of the cylindrical outer surface of dead bolt 3 and lining 17 cooperatively interacts, and dead bolt 3 can move forward and backward in the circular port 18 of lining 17, makes dead bolt 3 stretch out or retract at lock body 1.
The present invention can also be equipped with lining 17 in the first hole 7 of lock body 1.Lining 17 has circular port 18, and the external surface of dead bolt 3 is the face of cylinder, and dead bolt 3 is sleeved in the circular port 18 of lining 17, and the cylindrical outer surface of dead bolt 3 cooperates with the circular port 18 of lining 17.The second hole 8 of dead bolt 3 is circular port, and the second hole 8 is coaxial with leading screw 5.
The circular port 18 of the cylindrical outer surface of dead bolt 3 and lining 17 cooperatively interacts, and dead bolt 3 can move forward and backward in the circular port 18 of lining 17, makes dead bolt 3 stretch out or retract at lock body 1.
The first bar-shaped trough 9 of lock body 1 of the present invention and the axis in the first hole 7 are parallel to each other, and the two ends of the first bar-shaped trough 9 all are semicircle.The second bar-shaped trough 10 of dead bolt 3 and the axis in the second hole 8 are parallel to each other, and the two ends of the second bar-shaped trough 10 all are semicircle.Slide block 6 is cylindrical, the intersect vertical axis of the axis of slide block 6 and its screw 11.The screw-internal thread fit of the screw 11 of the external screw thread on the leading screw 5 and slide block 6, the intersect vertical axis of the axis of leading screw 5 and slide block 6.
Generally speaking, the diameter of slide block 6 equates with the width of the first bar-shaped trough 9 and the second bar-shaped trough 10, perhaps the diameter of slide block 6 is slightly less than the width of the first bar-shaped trough 9 and the second bar-shaped trough 10, slide block 6 can be moved along the first bar-shaped trough 9 and the second bar-shaped trough 10, but can not rotate around the axis of screw 11.
Leading screw 5 of the present invention is installed on the lock body 1 by bearing 12, and motor 2 is installed on the lock body 1, and leading screw 5 connects with the output shaft of motor 2 by shaft coupling 13.Spring 4 adopts stage clip, and spring 4 is enclosed within the second hole 8 of dead bolt 3, and an end of leading screw 5 is enclosed within the spring 4.
Control circuit is used for control motor 2 and starts, stops, rotating and reverse, and front limit switch 14 and rear limit switch 15 all are the ingredients of control circuit.Front limit switch 14 and rear limit switch 15 can adopt microswitch, approach switch etc.During when slide block 6 contacts or near front limit switch 14 or rear limit switch 15, front limit switch 14 or rear limit switch 15 will move, and disconnect the main circuit of motor 2 by control circuit, and motor 2 is stopped operating.
Compare with the 200510045546.X patent application, the present invention directly drives dead bolt 3 by drive unit, but by spring 4 Indirect driven dead bolts 3.The present invention stretches out in the process of lock body 1 at dead bolt 3, in the time of can not entering lockhole if run into the obstruction of other object, dead bolt 3 can suspend protruding, and motor 2 is rotated further by drive unit and makes spring 4 that elastic deformation occur, and the elastic force of 4 pairs of dead bolts 3 of spring increases gradually.After dead bolt 3 was accurately aimed at lockhole, the elastic force of spring 4 promoted dead bolt 3 and enters in the lockhole.Therefore, dead bolt 3 of the present invention is in the process of stretching out lock body 1, if meet with obstruction, spring 4 can play cushioning effect, thereby protection motor 2 and drive unit are not damaged.Because control circuit of the present invention has front limit switch 14, rear limit switch 15 and relay 16, can effectively control the stroke of dead bolt 3, and motor 2 and drive unit are played a protective role.
Description of drawings:
Fig. 1 is front view of the present invention (full sectional view);
Fig. 2 is top view of the present invention;
Fig. 3 is the annexation figure of each component of the present invention;
Fig. 4 is the front view of lock body 1 among Fig. 1, Fig. 2 and Fig. 3;
Fig. 5 is the left view of lock body 1 among Fig. 1, Fig. 2 and Fig. 3;
Fig. 6 is the A-A view among Fig. 4;
Fig. 7 is the front view of dead bolt 3 among Fig. 1, Fig. 2 and Fig. 3;
Fig. 8 is the left view of dead bolt 3 among Fig. 1, Fig. 2 and Fig. 3;
Fig. 9 is the B-B view among Fig. 7;
Figure 10 is the stereogram of leading screw 5 among Fig. 1, Fig. 2 and Fig. 3;
Figure 11 is the stereogram of slide block 6 among Fig. 1, Fig. 2 and Fig. 3;
Figure 12 is the stereogram of lining 17 among Fig. 1 and Fig. 3;
Figure 13 is the use state diagram of the present invention in revolving door.
The specific embodiment:
Embodiments of the present invention is described in detail below in conjunction with accompanying drawing.
To shown in Figure 12, the present embodiment is a kind of electric lock for revolving door such as Fig. 1, and it comprises the control circuit of lock body 1, motor 2, dead bolt 3, drive unit, spring 4 and motor 2.Lock body 1 has in 7, the first holes 7, the first hole lining 17 is installed.Two of lining 17 total front and back, their adopt brass manufacturing.The first hole 7 of lock body 1 is circular port, and the external surface of lining 17 is the face of cylinder, and interference fit is adopted in the first hole 7 of the external surface of two linings 17 and lock body 1.Lining 17 has the equal diameters of the circular port 18 of 18, two linings 17 of circular port, and coaxial.The external surface of dead bolt 3 is the face of cylinder, and dead bolt 3 is sleeved in the circular port 18 of two linings 17.The cylindrical outer surface of dead bolt 3 cooperates with the circular port 18 of lining 17, and dead bolt 3 can move forward and backward along the circular port 18 of lining 17, thereby stretches out or retraction lock body 1.Drive unit comprises leading screw 5, slide block 6 and bearing 12.Slide block 6 is cylindrical, has screw 11 on the slide block 6, the intersect vertical axis of the axis of slide block 6 and its screw 11.The screw-internal thread fit of the screw 11 of the external screw thread on the leading screw 5 and slide block 6, the intersect vertical axis of the axis of leading screw 5 and slide block 6.Leading screw 5 is installed on the lock body 1 by bearing 12.It is circular port that dead bolt 3 has 8, the second holes 8, the second hole.Spring 4 adopts stage clip, and it is enclosed within the second hole 8 of dead bolt 3.One end of spring 4 contacts with the bottom in the second hole 8 of dead bolt 3, and the other end contacts with slide block 6.The second hole 8 of dead bolt 3 is coaxial with leading screw 5, and an end of leading screw 5 enters in the second hole 8 of dead bolt 3 and is enclosed within the spring 4.Have the first bar-shaped trough 9 that connects with the first hole 7 on the lock body 1, have with the second bar-shaped trough 10, the first bar-shaped troughs 9 of the second hole 8 perforations corresponding with the second bar-shaped trough 10 on the dead bolt 3.The first bar-shaped trough 9 of lock body 1 and the axis in the first hole 7 are parallel to each other, and the two ends of the first bar-shaped trough 9 all are semicircle.The second bar-shaped trough 10 of dead bolt 3 and the axis in the second hole 8 are parallel to each other, and the two ends of the second bar-shaped trough 10 all are semicircle.Slide block 6 passes the first bar-shaped trough 9 and the second bar-shaped trough 10 enters in the second hole 8 of dead bolt 3, on the leading screw 5 external screw thread in the second hole 8 of dead bolt 3 with slide block 6 on the screw-internal thread fit of screw 11.Motor 2 adopts JAPAN SERVO CO., the DME33B6HPB type servo deceleration motor that LTD produces.Motor 2 is installed on the lock body 1 by screw 27, and leading screw 5 connects with the output shaft of motor 2 by shaft coupling 13.Shaft coupling 13 comprises adapter sleeve 13-1 and two driving lever 13-2.The endoporus 21 of adapter sleeve 13-1 adopts interference fit with the output shaft of motor 2 19, and adapter sleeve 13-1 is fixed on the output shaft 19.Two driving lever 13-2 are separately fixed in two installing holes 22 of adapter sleeve 13-1.23, two driving lever 13-2 in hole that adapter sleeve 13-1 is positioned at leading screw 5 one ends lay respectively in two grooves 20 of leading screw 5 one ends.The control circuit of motor 2 has front limit switch 14 and rear limit switch 15, and front limit switch 14 and rear limit switch 15 all adopt RV-165-1C25 type microswitch.Front limit switch 14 is installed on the lock body 1 by screw 28, and rear limit switch 15 is installed on the lock body 1 by screw 29, and front limit switch 14 and rear limit switch 15 lay respectively at the place, rear and front end of the first bar-shaped trough 9.
During use, as shown in figure 13, the lock body 1 of electric lock of the present invention is fixed on the crossbeam 26 of revolving door 24, has lockhole 25 on the door leaf 16 of revolving door 24.When needs pin revolving door 24, at first revolving door 24 is parked on the position of locking a door, dead bolt 3 is aimed at the lockholes 25 on the door leafs 16 just at this moment.Press the press-button for locking of control circuit, control circuit control motor 2 is rotated in the forward, and motor 2 drives leading screw 5 and is rotated in the forward.Leading screw 5 drives slide block 6 and moves forward along the first bar-shaped trough 9, and slide block 6 promotes dead bolt 3 by spring 4 and stretches out lock body 1, and dead bolt 3 enters in the lockhole 25, and revolving door 24 is lockable.When slide block 6 moved to foremost position, slide block 6 made 14 actions of front limit switch, and control circuit stops operating motor 2.
When needs are opened revolving door 24, press the unlock button of control circuit, motor 2 reverse rotations, motor 2 drives leading screw 5 reverse rotations.It is mobile backward along the first bar-shaped trough 9 that leading screw 5 drives slide block 6, the rear end in contact of the second bar-shaped trough 10 of slide block 6 and dead bolt 3, and slide block 6 driving dead bolts 3 leave lockhole 25 and are retracted in the lock body 1.At this moment, revolving door 24 is opened, and can rotate.When slide block 6 moved to the position of rearmost end, slide block 6 made rear limit switch 15 actions, and control circuit stops operating motor 2.
Claims (6)
1. electric lock comprises lock body (1), motor (2) and can stretch out and the dead bolt (3) of retraction lock body; The output shaft of motor (2) connects with drive unit, has spring (4) between drive unit and the dead bolt (3); Drive unit comprises leading screw (5) and slide block (6), the screw-internal thread fit on the external screw thread on the leading screw (5) and the slide block (6); Leading screw (5) is driven by motor (2), and an end of spring (4) contacts with slide block (6), and the other end contacts with dead bolt (3); It is characterized in that: lock body (1) has the first hole (7) that cooperates with dead bolt (3), and dead bolt (3) is sleeved in the first hole (7); Dead bolt (3) has the second hole (8), and spring (4) is enclosed within the second hole (8); Has the first bar-shaped trough (9) that connects with the first hole (7) on the lock body (1), have the second bar-shaped trough (10) that connects with the second hole (8) on the dead bolt (3), the first bar-shaped trough (9) is corresponding with the second bar-shaped trough (10); Slide block (6) passes the first bar-shaped trough (9) and the second bar-shaped trough (10) enters in second hole (8) of dead bolt (3), and the upper external screw thread of leading screw (5) is second hole (8) of dead bolt (3) in and the screw-internal thread fit on the slide block (6); One end of spring (4) contacts with the bottom in second hole (8) of dead bolt (3), and the other end contacts with slide block (6).
2. electric lock according to claim 1 is characterized in that: first hole (7) of lock body (1) is circular port, and the external surface that dead bolt (3) cooperates with the first hole (7) is the face of cylinder; Second hole (8) of dead bolt (3) is circular port, and the second hole (8) are coaxial with leading screw (5).
3. electric lock according to claim 1 is characterized in that: in first hole (7) of lock body (1) lining (17) is installed; Lining (17) has circular port (18), the external surface of dead bolt (3) is the face of cylinder, dead bolt (3) is sleeved in the circular port (18) of lining (17), and the cylindrical outer surface of dead bolt (3) cooperates with the circular port (18) of lining (17); Second hole (8) of dead bolt (3) is circular port, and the second hole (8) are coaxial with leading screw (5).
4. according to claim 1,2 or 3 described electric locks, it is characterized in that: first bar-shaped trough (9) of lock body (1) and the axis in the first hole (7) are parallel to each other, the two ends of the first bar-shaped trough (9) all be semicircle; Second bar-shaped trough (10) of dead bolt (3) is parallel to each other with the axis in the second hole (8), and the two ends of the second bar-shaped trough (10) all are semicircle; Slide block (6) is cylindrical, the intersect vertical axis of the axis of slide block (6) and its screw (11); The screw-internal thread fit of the screw (11) of the external screw thread on the leading screw (5) and slide block (6), the intersect vertical axis of the axis of leading screw (5) and slide block (6).
5. electric lock according to claim 4, it is characterized in that: leading screw (5) is installed on the lock body (1) by bearing (12), motor (2) is installed on the lock body (1), and leading screw (5) connects with the output shaft of motor (2) by shaft coupling (13); Spring (4) adopts stage clip, and spring (4) is enclosed within second hole (8) of dead bolt (3), and an end of leading screw (5) is enclosed within the spring (4).
6. electric lock according to claim 5 is characterized in that: motor (2) adopts the servo deceleration motor, and it has control circuit; Control circuit has front limit switch (14) and rear limit switch (15); Front limit switch (14) and rear limit switch (15) all are installed on the lock body (1), and front limit switch (14) and rear limit switch (15) lay respectively at the place, rear and front end of the first bar-shaped trough (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910203323 CN101560851B (en) | 2009-05-27 | 2009-05-27 | Electric lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910203323 CN101560851B (en) | 2009-05-27 | 2009-05-27 | Electric lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101560851A CN101560851A (en) | 2009-10-21 |
| CN101560851B true CN101560851B (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910203323 Active CN101560851B (en) | 2009-05-27 | 2009-05-27 | Electric lock |
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| CN (1) | CN101560851B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108420382B (en) * | 2017-02-14 | 2022-10-18 | 青岛海尔洗碗机有限公司 | Dish washer lock mechanism and dish washer |
| CN107975297A (en) * | 2017-12-10 | 2018-05-01 | 亚科特（天津）电子科技有限公司 | A kind of power-assisted vehicle electric control mechanical lock |
| CN110630106B (en) * | 2019-09-12 | 2024-04-26 | 温州瓯海利尔达五金制品有限公司 | Intelligent single-bolt lock body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2433364Y (en) * | 2000-03-21 | 2001-06-06 | 郑胜利 | Driving device of lock |
| US6666054B1 (en) * | 2002-07-25 | 2003-12-23 | Hui-Hua Hsieh | Remote-controlled door lock |
| CN2623811Y (en) * | 2003-06-02 | 2004-07-07 | 深圳市同创新佳科技有限公司 | Electric cabinet lock |
| CN2718161Y (en) * | 2004-08-03 | 2005-08-17 | 广州三新信息科技发展有限公司 | Electromechanically-operated driving device for lock |
| CN2799780Y (en) * | 2005-06-28 | 2006-07-26 | 李羽涵 | Improved structure of cable lock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2732924Y (en) * | 2004-08-30 | 2005-10-12 | 陈玉山 | Electronic lock |
-
2009
- 2009-05-27 CN CN 200910203323 patent/CN101560851B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2433364Y (en) * | 2000-03-21 | 2001-06-06 | 郑胜利 | Driving device of lock |
| US6666054B1 (en) * | 2002-07-25 | 2003-12-23 | Hui-Hua Hsieh | Remote-controlled door lock |
| CN2623811Y (en) * | 2003-06-02 | 2004-07-07 | 深圳市同创新佳科技有限公司 | Electric cabinet lock |
| CN2718161Y (en) * | 2004-08-03 | 2005-08-17 | 广州三新信息科技发展有限公司 | Electromechanically-operated driving device for lock |
| CN2799780Y (en) * | 2005-06-28 | 2006-07-26 | 李羽涵 | Improved structure of cable lock |
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| CN101560851A (en) | 2009-10-21 |
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Application publication date: 20091021 Assignee: Bonin Futian smart channel (Qingdao) Co.,Ltd. Assignor: Xia Jihua Contract record no.: 2014370000038 Denomination of invention: Intelligent electric lock of door, window Granted publication date: 20130501 License type: Exclusive License Record date: 20140331 |
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Owner name: BONIN FORTUNE INTELLIGENT ACCESS EQUIPMENT CO., LT Free format text: FORMER OWNER: XIA JIHUA Effective date: 20141128 |
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Effective date of registration: 20141128 Address after: 266101 Shandong Province, Qingdao city Laoshan District Road No. 5 Keyuan four Futian Bonin intelligent channel (Qingdao) Co., Ltd. equipment Patentee after: BONING FUTIAN INTELLIGENT CHANNEL DEVICES (QINGDAO) CO.,LTD. Address before: 266101 Shandong city of Qingdao province high tech Park Keyuan four Road No. 5 Fukuda automatic door frame housing engineering (Qingdao) Co., Ltd. Patentee before: Xia Jihua |
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Owner name: QINGDAO BONIN FORTUNE ACCESS EQUIPMENT CO., LTD. Free format text: FORMER NAME: BONIN FORTUNE INTELLIGENT ACCESS EQUIPMENT CO., LTD. |
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Address after: 266101 Shandong Province, Qingdao city Laoshan District Four Keyuan Road No. 5 Patentee after: QINGDAO BONIN FORTUNE ACCESS EQUIPMENT Co.,Ltd. Address before: 266101 Shandong Province, Qingdao city Laoshan District Road No. 5 Keyuan four Futian Bonin intelligent channel (Qingdao) Co., Ltd. equipment Patentee before: BONING FUTIAN INTELLIGENT CHANNEL DEVICES (QINGDAO) CO.,LTD. |
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Denomination of invention: Intelligent electric lock of door, window Effective date of registration: 20160808 Granted publication date: 20130501 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO BONIN FORTUNE ACCESS EQUIPMENT Co.,Ltd. Registration number: 2016990000685 |
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Date of cancellation: 20230404 Granted publication date: 20130501 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO BONIN FORTUNE ACCESS EQUIPMENT Co.,Ltd. Registration number: 2016990000685 |
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