CN103556886B - Program control padlock - Google Patents

Program control padlock Download PDF

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Publication number
CN103556886B
CN103556886B CN201310574482.7A CN201310574482A CN103556886B CN 103556886 B CN103556886 B CN 103556886B CN 201310574482 A CN201310574482 A CN 201310574482A CN 103556886 B CN103556886 B CN 103556886B
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China
Prior art keywords
lock
slide block
program control
knob
described lock
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CN201310574482.7A
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CN103556886A (en
Inventor
吕茅利
梁海坤
陈永金
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Zhuhai Valwell Electric Technology Co Ltd
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Zhuhai Valwell Electric Technology Co Ltd
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Priority to CN201310574482.7A priority Critical patent/CN103556886B/en
Publication of CN103556886A publication Critical patent/CN103556886A/en
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Publication of CN103556886B publication Critical patent/CN103556886B/en
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Abstract

The invention provides a kind of program control padlock, it has lock body, the top of lock body is provided with lock ring, the fixed end of lock ring is located in lock body, the free end of lock ring can be inserted in the lockhole of lock body upper end, the lower end of lock body is provided with identity label, the top of identity label is provided with lock knob, wherein, lock knob is positioned at the below of fixed end, lock knob is provided with slide block, fixed end is fixedly connected with slide block, first spring is housed between the lower end of slide block and the diapire of lock knob, the perisporium of lock knob is provided with along axially extended first chute of lock knob and the lock slots along the extension of lock knob circumference, first chute is communicated with lock slots, the perisporium of slide block is provided with through hole, and slide block is built with lock pin assembly, the outer end of lock pin assembly also can be slipped in lock slots through through hole.Program control padlock structure provided by the invention is simple, and production technology is also simple, and cost of production is low.

Description

Program control padlock
Technical field
The present invention relates to field of lockset, especially relate to a kind of for fool proof program control padlock.
Background technology
Modern industry often needs field operation in producing, field operation often needs operating personnel manually to operate multiple equipment, the operation of multiple equipment has the requirement of sequencing usually, once operating sequence mistake, will cause device damage or affect the normal work of industrial system.Such as in power system, grid switching operation during as stopped power transmission to transformer station, must perform according to predetermined order, otherwise power equipment will be caused to burn out and easily security incident occur.In petrochemical industry, the make-break operation of oil pipeline valve also must perform according to predetermined order, otherwise can cause the accident such as leakage of oil or blast.
Operation in order to ensure equipment performs according to predetermined order, and usually on equipment, load onto program control padlock, program control padlock is provided with identity label, can by Intelligent key identification.Intelligent key stores the information of operating sequence, the information of the program control padlock in each operating sequence of Intelligent key record on equipment, only when program control padlock execution sequence is correct, Intelligent key could identify the identity label in each program control padlock, thus guarantees that the operating sequence of multiple equipment is correct.
See Fig. 1, existing program control padlock has lock body 10, and lock body 10 is provided with U-shaped lock ring 11, and one end of lock ring 11 is fixed end 12, is arranged in lock body 10, and the other end of lock ring 11 is free end 13, can be inserted in the lockhole of lock body 10.Lock body 10 is provided with a rainhat 20, and lock ring 11 is through rainhat 20, and rainhat 20 infiltrates in lock body 10 for preventing rainwater etc.Further, the bottom of the fixed end 12 of lock ring 11 abuts with one end of spring 14, and the other end of spring 14 is connected in lock body 10.
The bottom of lock body 10 is provided with identity label 15, and the top of identity label 15 is provided with lock knob 16, and the lower end of lock knob 16 is provided with projection, can be driven by key and rotate.The upper end of lock knob 16 is fixedly connected with lateral pin 17, drives lateral pin 17 to rotate around the axis of lock knob 16 when lock knob 16 rotates.The end of lateral pin 17 is provided with back-moving spring 18, and one end of back-moving spring 18 is connected to the end of lateral pin 17, and the other end is connected on the inwall of lock body 10.
The fixed end 12 of lock ring 11 is provided with a groove 19, and the free end of lateral pin 17 can insert in groove 19.In Fig. 1, program control padlock is in closure state, and the free end of lateral pin 17 is inserted in groove 19, and the free end 13 of lock ring 11 is inserted in lockhole, cannot rotate.
When unblanking, first use Intelligent key to identify identity label 15, correctly identify after identity label 15 until Intelligent key, release locking also allows lock knob 16 to rotate.Now, the key of unblanking passed identity label and drives lock knob 16 to rotate, thus driving lateral pin 17 to rotate.The free end of lateral pin 17 departs from from groove 19, the fixed end 12 of lock ring 11 moves up and down under action from the spring 14, thus driving lock ring 11 to move upward, the free end 13 of lock ring 11 also moves upward immediately and departs from lockhole, and now lock ring 11 can rotate freely around the axis of fixed end 12.
During locking, buckle in lockhole by the free end 13 of lock ring 11, drive lock knob 16 to rotate by key, the free end of lateral pin 17 promotes and inserts in the groove 19 of lock ring 11 by back-moving spring 18, is finally taken out by key, completes block action.
But existing program control padlock must use two springs, comprise the spring 14 and back-moving spring 18 that are positioned at lock ring 11 lower end, the component that program control padlock uses are more.Further, must arrange the deep hole for holding lateral pin 17 and back-moving spring 18, and must ensure the smoothness of this inner walls of deep holes in program control padlock, to ensure the smooth and easy work of lateral pin 17, the requirement on machining accuracy of program control padlock is high, and production difficulty is large.In addition, because the component of program control padlock are many, assembling is complicated, and production efficiency is low, raises the cost of production of program control padlock.
Summary of the invention
Main purpose of the present invention is to provide simple, the reliable and simple program control padlock of production technology of a kind of structure.
In order to realize above-mentioned main purpose, program control padlock provided by the invention comprises lock body, the top of lock body is provided with lock ring, the fixed end of lock ring is located in lock body, the free end of lock ring can be inserted in the lockhole of lock body upper end, the lower end of lock body is provided with identity label, the top of identity label is provided with lock knob, wherein, lock knob is positioned at the below of fixed end, lock knob is provided with slide block, fixed end is fixedly connected with slide block, first spring is housed between the lower end of slide block and the diapire of lock knob, the perisporium of lock knob is provided with along axially extended first chute of lock knob and the lock slots along the extension of lock knob circumference, first chute is communicated with lock slots, the perisporium of slide block is provided with through hole, and slide block is built with lock pin assembly, the outer end of lock pin assembly also can be slipped in lock slots through through hole.
From such scheme, pass through after to the checking of identity label at Intelligent key, key can pass identity label and drive lock knob to rotate, the outer end of lock pin assembly is slipped in the first chute from lock slots, first spring provides elastic restoring force upwards that slide block is moved upward along the first chute to slide block, lock ring moves upward with slide block, and the free end of lock ring departs from from lockhole, and lock ring can rotate freely around the axis of fixed end.
When program control padlock closes, the free end of lock ring is aimed at lockhole and presses lock ring downwards, slide block moves downward along the first chute, now reversely rotating key drives lock knob to reversely rotate, the outer end of lock pin is slipped in lock slots from the first chute, the free end of lock ring is also positioned at lockhole, and lock ring can not rotate freely.
Due in program control padlock without the need to arranging lateral pin, its assembly technology is simple, and reliability is high, and the volume of the installing hole arranged in lock body is less.In addition, the requirement on machining accuracy of program control padlock is lower, reduces its production difficulty.
A preferred scheme is, lock pin assembly comprises lock pin and the second spring, and the second spring is connected between the inner of lock pin and the inwall of slide block.
As can be seen here, the second end being promoted lock pin by the second spring is stretched out through hole and slips in lock slots, is conducive to the reset of lock pin assembly.
Further scheme is, the inner of lock pin is provided with spring eye, and a part for the second spring is arranged in spring eye.
Visible, by the second spring fitting in spring eye, guarantee the reliability of the second spring fitting and work.
Further scheme is, the outer end of lock knob assembly is provided with projection, and this projection also can slip in lock slots through through hole.
As can be seen here, by projection through through hole slip into lock slots, the functional reliability between lock knob assembly and slide block, lock knob can be guaranteed.
Further scheme is, the upper end of slide block is provided with along axially extended second chute of slide block, is provided with the spacer pin that can slip in the second chute in lock body.
Visible, by spacer pin restriction slide block movement locus in the axial direction, can not rotate when can guarantee that slide block moves in the axial direction, be conducive to the functional reliability improving program control padlock.
Further scheme is, is provided with gland above lock knob, and gland lower end is provided with stopper slot, and upper end and the stopper slot of lock knob adjoin, and stopper slot is positioned on the inwall of gland.
As can be seen here, by gland, lock knob is fixed in lock body, lock knob can be avoided axially to move up and down along it.
Further scheme is, the perisporium of lock knob is provided with locating slot, and lock body is provided with positioning bead assembly, and one end of positioning bead assembly can be slipped in locating slot.
Visible, by coordinating of positioning bead assembly and locating slot, feel when lock ring rotates can be strengthened, unblank convenient with lock operation.
Accompanying drawing explanation
Fig. 1 is the structure chart of existing program control padlock.
Fig. 2 is the structure chart of program control padlock embodiment of the present invention.
Fig. 3 is the sectional view of program control padlock embodiment of the present invention.
Fig. 4 is the STRUCTURE DECOMPOSITION figure that program control padlock embodiment of the present invention reduces.
Fig. 5 is that in program control padlock embodiment of the present invention, the structure chart after lock body hidden by lockset.
Fig. 6 is the STRUCTURE DECOMPOSITION enlarged drawing of lock ring, slide block and lock pin assembly in program control padlock embodiment of the present invention.
Fig. 7 is the STRUCTURE DECOMPOSITION enlarged drawing at lock ring in program control padlock embodiment of the present invention, slide block and another visual angle of lock pin assembly.
Fig. 8 is the STRUCTURE DECOMPOSITION enlarged drawing of lock knob, slide block, lock pin assembly and positioning bead assembly in program control padlock embodiment of the present invention.
Fig. 9 is the schematic enlarged-scale view of lock knob, slide block and lock pin assembly in program control padlock embodiment of the present invention.
Figure 10 is the schematic enlarged-scale view of gland in program control padlock embodiment of the present invention.
Figure 11 is the STRUCTURE DECOMPOSITION enlarged drawing of gland and lock knob in program control padlock embodiment of the present invention.
Figure 12 is the cutaway view Amplified image of gland and lock knob in program control padlock embodiment of the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
Detailed description of the invention
Program control padlock of the present invention is applied in the equipment of such as power system or petrochemical industry, and the operating sequence of these equipment has strict requirement, applies the operating sequence that program control padlock of the present invention controls multiple equipment.
See Fig. 2, program control padlock has lock body 30, and the top of lock body 30 is provided with U-shaped lock ring 40, and see Fig. 3, Fig. 4 and Fig. 5, the two ends of lock ring 40 are respectively free end 41 and fixed end 42.Be provided with an installing hole 35 and lockhole 36 in lock body 30, free end 41 can load in lockhole 36.The fixed end 42 of lock ring 40 is arranged in installing hole 35, and installing hole 35 is provided with gland 32, and the top of gland 32 is provided with rainhat 31, prevents the liquid such as rainwater from infiltrating in installing hole 35.
The perisporium of gland 32 is provided with a pin-and-hole 33(Figure 10 and shows), be provided with a spacer pin 55 in lock body 30, one end of spacer pin 55 is inserted in pin-and-hole 33, prevents gland 32 from rotating in lock body 30.
Identity label 37 is equipped with in the lower end of lock body 30, and identity label 37 is fixed on the lower end of lock body by screw 38, and Intelligent key is by after the checking to identity label 37, and key can pass identity label 37 and stretch in lock body 30.
The top of identity label 37 is provided with lock knob 70, and lock body 30 is built with slide block 50, and the fixed end 42 of lock ring 40 is fixedly connected with slide block 50.See Fig. 6 and Fig. 7, the fixed end lower end of lock ring 40 has an axis hole 43, and steady pin 44 is through axis hole 43.And, slide block 50 is positioned at immediately below fixed end 42, and slide block 50 is provided with an installing hole 51 towards upper shed, and steady pin 44 is arranged in installing hole 51, therefore the fixed end 42 of lock ring 40 is fixedly connected with slide block 50 by steady pin 43, and the lower end of fixed end 42 is contained in installing hole 51.
The upper end of slide block 50 is provided with the dome 52 that a circle extends along slide block 50 circumference, and dome 52 is provided with a breach, and this breach forms a chute 53, and the axis on the perisporium that chute 53 is positioned at slide block 50 and along slide block 50 extends.Be provided with a spacer pin 54 in lock body 30, one end of spacer pin 54 is inserted in chute 53.Slide block 50 in installing hole 35 along slide block 50 axially lower slider time, spacer pin 54 limits the movement locus of chute 53, and anti-limited slip block 50 rotates in lock body 30.
The perisporium of slide block 50 is provided with the through hole 56 that runs through its perisporium, and in slide block 50, lock pin assembly 60 is installed, lock pin assembly 60 comprises lock pin 61 and spring 64, the inner of lock pin 61 is provided with a spring eye 62, outer end is provided with projection 63, a part for spring 64 is arranged in spring eye 62, and therefore one end of spring 64 is connected to the inner of lock pin 61, and the other end of spring 64 is connected on the inwall of slide block 50.Lock pin 61 is installed to after in slide block 50, and the projection 63 of lock pin 61 stretches out through hole 56 under the effect of spring 64.
See Fig. 8, slide block 50 is arranged on lock knob 70, and the perisporium of lock knob 70 is provided with a chute 71 and lock slots 72, and chute 71 extends along the axis of lock knob 70, and lock slots 72 extends along the circumference of lock knob 70, and chute 71 is communicated with lock slots 72.The lower end of lock knob 70 is provided with projection 73, and key can be connected with projection 73 through after identity label 37, and drives projection 73 to rotate, and drives lock knob 70 to rotate thus.
The lower end of slide block 50 is provided with screw 57, and the screw cap 58 of screw 57 is positioned at the below of slide block 50.The below of slide block 50 is provided with spring 80, and spring 80 is also mounted in lock knob 70, the upper end of spring 80 is sleeved on outside screw cap 58, and therefore the two ends of spring 80 are connected between the lower end of slide block 50 and the diapire of lock knob 70 respectively, and provides elastic restoring force upwards to slide block 50.
As seen from Figure 9, after slide block 50 is installed to lock knob 70, the projection of lock pin 61 63, through after through hole 56, can slide in lock slots 72, and under the upper end of projection 63 is positioned at the top edge of lock slots 72.Further, because slide block 50 is not fixedly connected with lock knob 70, if lock knob 70 rotates, projection 63 can rotate relative to lock slots 72, and slides into chute 71 from lock slots 72, and now projection 63 can move up and down along chute 71.Like this, slide block 50 also moves up and down relative to lock knob 70 thereupon.
The perisporium of lock knob 70 is provided with the locating slot 74 of a segment dress, and locating slot 74 is positioned at the top of projection 73.Be provided with positioning bead assembly 77 in lock body 30, positioning bead assembly 77 comprises spring 78 and is positioned at the positioning bead 79 of spring 78 one end, and positioning bead 79 is positioned at the end of positioning bead assembly 77, and positioning bead 79 can slide in locating slot 74.
When lock knob 70 rotates, positioning bead 79 can slide in locating slot 74, to strengthen feel during locking, also facilitates the carrying out of block action.
Review Fig. 4, the top of lock knob 70 is provided with gland 32, and see Figure 10, the lower end of gland 32 is provided with a circle stopper slot 34, and stopper slot 34 is positioned on the inner surface of gland 32 perisporium, and is positioned at perisporium bottom.See Figure 11 and Figure 12, the upper end of lock knob 70 is provided with the dome 75 of a circle along the extension of lock knob 70 circumference, dome 75 adjoins with stopper slot 34, and the top edge of stopper slot 34 is pressed on the upper surface of dome 75, therefore lock knob 70 is pressed in installing hole 35 by gland 32, avoids lock knob 70 to move upward along the axis of lock knob 70.
Shown in Fig. 3 and Fig. 5 is the blocking of program control padlock, now the projection 63 of lock pin 61 is through after the through hole 56 of slide block 50, and be positioned at the lock slots 72 of lock knob 70, the fixed end 42 of lock ring 40 is fixed on slide block 50, and free end 41 is arranged in lockhole 36, lock ring 40 can not rotate freely.Now, spring 80 is connected between the lower end of slide block 50 and lock knob 70 diapire, savings elastic potential energy.
When unblanking, use Intelligent key to verify identity label 37, after Intelligent key is by the checking to identity label 37, key can pass identity label 37 and drive lock knob 70 to rotate.Now, counterclockwise rotate lock knob 70, the projection 63 of lock pin 61 slips in chute 71 from the lock slots of lock knob 70, slide block 50 upward sliding under the effect of the elastic restoring force of spring 80, and due to projection 63 by chute 71 institute spacing, therefore slide block 50 can only along the axially-movable of slide block 50.
Because the fixed end 42 of lock ring 40 is fixedly connected with slide block 50, therefore lock ring 40 moves upward with slide block 50, and the free end 41 of lock ring 40 departs from from lockhole 36, and now lock ring 40 can rotate freely around the axis of fixed end 42, and program control padlock is in unlocking condition.
During locking, the free end 41 of lock ring 40 is aimed at lockhole 36, and applies downward power to lock ring 40, the free end 41 of lock ring 40 is installed in lockhole 36.Now, the fixed end 42 of lock ring 40 also moves downward thereupon, and slide block 50 also moves downward with fixed end 42, and therefore the projection 63 of lock pin 61 is along chute 71 slide downward of lock knob 70.
When projection 63 slides down to the junction of chute 71 and lock slots 72, use key to reversely rotate lock knob 70, projection 63 is relative to the circumferential movement of lock slots 72 along lock knob 70, and projection 63 slides in lock slots 72.After the power being applied to lock knob 70 disappears, because spring 80 provides elastic restoring force upwards to slide block 50, projection 63 can not move relative to lock slots 72, and slide block 50 is fixed on lock knob 70.
When lock knob 70 is rotated in place, the positioning bead 79 of positioning bead assembly 77 slides in the locating slot 74 of lock knob 70, and key can take off in lock body.Now, the free end of lock ring 40 is contained in lockhole 36, and lock ring 40 can not rotate, and program control padlock is in blocking.
Owing to not needing in program control padlock to arrange lateral pin, and inner surface does not need to be processed into smooth surface, and processing technology is also simple, and cost of production is low.Further, by lock pin with slide block, coordinating of lock knob realize unblanking and locking, the functional reliability of program control padlock is high, long service life.
Certainly, above-described embodiment is only a preferred scheme of the present invention, can also have more change during practical application, and such as, lock ring and slide block can be one-body molded; Or lock pin assembly does not arrange spring, be only mounted in a lock pin in slide block, and the length of lock pin is greater than the diameter of slide block, as long as the perisporium of slide block can be stretched out in the outer end of lock pin, such change also can realize object of the present invention.
Finally it is emphasized that and the invention is not restricted to above-mentioned embodiment, the change such as change as the change of lock body profile, the concrete structure of lock pin assembly also should be included in the protection domain of the claims in the present invention.

Claims (10)

1. program control padlock, comprises
Lock body, the top of described lock body is provided with lock ring, and the fixed end of described lock ring is located in described lock body, and the free end of described lock ring can be inserted in the lockhole of described lock body upper end, the lower end of described lock body is provided with identity label, and the top of described identity label is provided with lock knob;
It is characterized in that:
Described lock knob is positioned at the below of described fixed end, described lock knob is provided with slide block, described fixed end is fixedly connected with described slide block, between the lower end of described slide block and the diapire of described lock knob, the first spring is housed, the perisporium of described lock knob is provided with along axially extended first chute of described lock knob and the lock slots along the extension of described lock knob circumference, and described first chute is communicated with described lock slots;
The perisporium of described slide block is provided with through hole, and described slide block is built with lock pin assembly, and the outer end of described lock pin assembly also can be slipped in described lock slots through described through hole.
2. program control padlock according to claim 1, is characterized in that:
Described lock pin assembly comprises lock pin and the second spring, and described second spring is connected between the inner of described lock pin and the inwall of described slide block.
3. program control padlock according to claim 2, is characterized in that:
The inner of described lock pin is provided with spring eye, and a part for described second spring is arranged in described spring eye.
4. the program control padlock according to any one of claims 1 to 3, is characterized in that:
The described outer end of described lock pin assembly is provided with projection, and described projection also can slip in described lock slots through described through hole.
5. the program control padlock according to any one of claims 1 to 3, is characterized in that:
The upper end of described slide block is provided with along axially extended second chute of described slide block, is provided with the spacer pin that can slip in described second chute in described lock body.
6. the program control padlock according to any one of claims 1 to 3, is characterized in that:
The fixed end of described lock ring is fixed on described slide block by steady pin.
7. the program control padlock according to any one of claims 1 to 3, is characterized in that:
Be provided with gland above described lock knob, described gland lower end is provided with stopper slot, and the upper end of described lock knob and described stopper slot adjoin.
8. program control padlock according to claim 7, is characterized in that:
Described stopper slot is positioned on the inner surface of the perisporium of described gland.
9. the program control padlock according to any one of claims 1 to 3, is characterized in that:
The lower end of described slide block is provided with screw, and the screw cap of described screw is positioned at the below of described slide block, and the upper end of described first spring is sleeved on outside described screw cap.
10. the program control padlock according to any one of claims 1 to 3, is characterized in that:
The perisporium of described lock knob is provided with locating slot, and described lock body is provided with positioning bead assembly, and one end of described positioning bead assembly can be slipped in described locating slot.
CN201310574482.7A 2013-11-15 2013-11-15 Program control padlock Active CN103556886B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104763248A (en) * 2014-01-07 2015-07-08 张金春 Coaxial shutting ring latch
CN106409554B (en) * 2016-11-25 2019-06-21 长园共创电力安全技术股份有限公司 A kind of lock set
CN111764763A (en) * 2020-07-27 2020-10-13 中山市泛在物联科技有限公司 Anti-collision intelligent padlock
CN115376398B (en) * 2022-08-30 2024-04-19 广东电网有限责任公司 Warning sign linkage

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CN202767691U (en) * 2012-08-03 2013-03-06 浙江咸亨国际通用设备有限公司 Electronic mechanical padlock
CN203081105U (en) * 2012-12-14 2013-07-24 广州供电局有限公司 Digitalized padlock without transverse pin
CN203547298U (en) * 2013-11-15 2014-04-16 珠海华伟电气科技股份有限公司 Program-controlled padlock

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Publication number Priority date Publication date Assignee Title
US6898952B1 (en) * 2004-04-30 2005-05-31 Ez Trend Technology Co., Ltd. Electric padlock
WO2006130660A2 (en) * 2005-05-31 2006-12-07 Master Lock Company Llc Electronic security device
CN202731492U (en) * 2011-12-30 2013-02-13 长园共创电力安全技术股份有限公司 Single-electrode magnetic-control padlock
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CN203081105U (en) * 2012-12-14 2013-07-24 广州供电局有限公司 Digitalized padlock without transverse pin
CN203547298U (en) * 2013-11-15 2014-04-16 珠海华伟电气科技股份有限公司 Program-controlled padlock

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