CN203755845U - Cabinet door lock and cabinet therewith - Google Patents
Cabinet door lock and cabinet therewith Download PDFInfo
- Publication number
- CN203755845U CN203755845U CN201420074948.7U CN201420074948U CN203755845U CN 203755845 U CN203755845 U CN 203755845U CN 201420074948 U CN201420074948 U CN 201420074948U CN 203755845 U CN203755845 U CN 203755845U
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- cabinet
- electrical connector
- lock
- gate lock
- gate
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- Expired - Lifetime
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- 238000009434 installation Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 239000002184 metal Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 206010014357 Electric shock Diseases 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model discloses a cabinet door lock and a cabinet therewith and the cabinet door lock comprises a lock body connected to a ground wire (1), an operation component and an elastic electrically connecting part, wherein the electrically connecting part connects the lock body (1) and the operation component. With the design, reliability and continuity of the ground wire connection of the operation component of the cabinet door lock can be increased, and applicable safety of cabinet operations can be ensured effectively.
Description
Technical field
The utility model relates to rack technical field, particularly a kind of gate lock for cabinet.In addition, the utility model also relates to the rack with this gate lock for cabinet.
Background technology
Rack, refers to, by a class cupboard that is used for depositing related control device of cold-rolled steel sheet or alloy making, be widely used in electric power, electronics and the communications field.According to the scope of application, can be divided into low-voltage distribution cabinet, electric power cabinet, communication cabinet, industrial safe cabinet etc., at present, most this type of rack is furnished with the gate lock for cabinet of link-type conventionally, the surface of its gate lock for cabinet is the bare metal parts without insulating properties, and operating personnel can directly touch exposed metal parts in the time opening or close the door lock of rack.So, to strictly observe grounded continuous safety requirement to the design of gate lock for cabinet, guarantee the handling safety in rack use procedure.
As depicted in figs. 1 and 2, in rack actual application, conventionally operating personnel are in the time that opening and closing rack operates, hold handle 06 by one, on the other hand rack key is inserted to lock core 04 opening and closing cabinet door, so, human body contacts with the metal surface without insulating properties, especially can touch three place's bare metal members such as block 03, lock core 04, baffle plate 05, operating personnel's safety is caused a hidden trouble.According to the requirement of ground connection safety, resistance between hardware and the grounding nut of human body contact should be not more than 0.1 Ω, block 03, lock core 04 and baffle plate 05 in gate lock for cabinet all need be taking lock body 01 as conductive path, thereby guarantees the conduction continuity between rack ground wire; But in prior art, the conductive path of above-mentioned three positions and lock body 01 exists insecure connecting factors, its major defect is as follows:
For lock core 04, mainly contact with the junction plate 02 of lock body 01 by the eccentric shaft on lock core 04, but, lock core 04 drives in the process that junction plate 02 moves up and down, both can not ensure in real time effectively contact, therefore, the unreliable resistance causing between lock core 04 and rack ground wire that is connected between lock core 04 and lock body 01 is greater than 0.1 Ω that safety requires;
For baffle plate 05, need to, by contacting between handle 06 rotating shaft and the power transmission shaft of lock body 01, set up effective connection the between lock body 01; Similarly, between handle 06 rotating shaft and the power transmission shaft of lock body 01, there is relative motion, cannot ensure the reliability and the continuity that between baffle plate 05 and lock body 01, are connected;
For block 03, need be fixed on junction plate 02 connects with lock body 01 again, and open or while closing gate lock for cabinet, junction plate 02 slides in the cell body of lock body 01, so, between block 03 and lock body 01, be prone to the notconnect state of interruption, cause the resistance that cannot guarantee between baffle plate 05 and rack ground wire being less than in the scope of 0.1 Ω.
In view of the above problems, need badly gate lock for cabinet is optimized to improvement, thereby improve reliability and the continuity that gate lock for cabinet functional unit is connected with ground wire, effectively guarantee the application safety of rack operation.
Utility model content
Based on the defect existing in prior art, the technical problems to be solved in the utility model is to provide a kind of gate lock for cabinet of effectively guaranteeing rack operational applications safety.On this basis, the utility model also provides a kind of rack with this gate lock for cabinet.
The gate lock for cabinet that the utility model provides, comprises the lock body, functional unit and the flexible electrical connector that are communicated with ground wire, lock body and described functional unit described in described electrical connector conducting.
Preferably, described gate lock for cabinet also comprises fax moving part, and one end of described fax moving part and the handle of described gate lock for cabinet are connected, and the other end is connected with the locking component that described lock body is fixed in conducting.
Preferably, described electrical connector comprises the first electrical connector, and the junction plate of described gate lock for cabinet is fixed in one end of described the first electrical connector, the surface of lock body described in other end pretension butt.
Preferably, the electrical connector that described the first electrical connector is sheet.
Preferably, described electrical connector also comprises the second electrical connector, and described the second electrical connector is nested in the eccentric shaft of the lock core of described gate lock for cabinet, two work planes fit respectively junction plate surface and described eccentric shaft step surface described in butt.
Preferably, described electrical connector also comprises the 3rd electrical connection, and described the 3rd electrical connector is nested in the groove of offering on described fax moving part surface, two work planes fit the respectively bottom land of groove and the surface of shell of described locking component described in butt.
Preferably, described the second electrical connector and described the 3rd electrical connector are corrugated gasket.
Preferably, the inner edge of described the 3rd electrical connector is offered along the pawl of installation direction perk.
The utility model also provides a kind of rack, comprises rack body and the gate lock for cabinet that is fixed on described rack body, and described gate lock for cabinet is above-described gate lock for cabinet.
Compared with prior art, this gate lock for cabinet arranges flexible electrical connector, by the elastic reaction of this electrical connector, and palp functional unit in conducting lock body and human body operating process continuously, that is to say, make two member real-time contact conductings of the relative motion that connects lock body and functional unit.In actual gate lock for cabinet, electrical connector is by being arranged between two members of relative motion, be tight against the mounting surface of two members, thereby eliminate the virtual connections state that two members occur in motion process, effectively realize the continuity connecting between two members of relative motion.Particularly; in the process of gate lock for cabinet opening and closing; human body functional unit (comprising palp bare metal parts) produces relative motion with the lock body that is connected ground wire; can set up reliable connection the between functional unit and rack ground wire by the conducting connection function of electrical connector; so that gate lock for cabinet meets the regulation requirement of safe handling, guarantee the safety that rack operation is used.
In preferred version of the present utility model, this gate lock for cabinet arranges fax moving part, handle that can free of discontinuities conducting gate lock for cabinet and the locking component of gate lock for cabinet.When mounted, handle is fixed in one end, the shaft hole matching on the other end and gate lock for cabinet locking component; When swing handle, this fax moving part rotates, and the rotation action of handle is directly passed to upper lower link, lower link protruding or inside indentation respectively in drive, and then drive the corresponding actions of locking bar to close and door capable of being opened cabinet.So, between handle and locking component, directly set up drive connection, thereby, the baffle plate and the lock body that make to be installed in handle are set up effective conducting annexation, the discontinuity of the contact while eliminating relative transmission between handle rotating shaft and lock body power transmission shaft, the reliability and the continuity that are connected with lock body part for baffle plate provide guarantee.
In another preferred version of the present utility model, electrical connector comprises the first electrical connector of conducting junction plate and lock body, and junction plate is fixed in one end of this first electrical connector, the surface of other end pretension butt lock body.So arrange, in the time of gate lock for cabinet opening and closing, junction plate moves along the slideway of lock body, drive this first electrical connector to move along the surface of lock body, and abutment end implements to be effectively pressed in the surface of lock body, guarantee the reliable conducting between lock body and junction plate, be connected thereby make functional unit that junction plate is fixed in conducting set up reliable conducting with rack ground wire, in case Danger Electric shock risk when operational applications.
Brief description of the drawings
The decomposing schematic representation of gate lock for cabinet in Fig. 1 prior art;
Fig. 2 is the rear elevation of gate lock for cabinet shown in Fig. 1;
Fig. 3 is the decomposition texture schematic diagram of gate lock for cabinet described in present embodiment;
Fig. 4 is junction plate shown in Fig. 3 and block and lock core assembly relation schematic diagram;
Fig. 5 is structure shown in Fig. 4 and handle assembly relation schematic diagram;
Fig. 6 is structure shown in Fig. 5 and described lock body assembly relation schematic diagram;
Fig. 7 is the local enlarged diagram in A place shown in Fig. 6;
Fig. 8 is the local enlarged diagram in B place shown in Fig. 5;
Fig. 9 is the local enlarged diagram in C place shown in Fig. 5.
In Fig. 1 and Fig. 2:
Lock body 01, junction plate 02, block 03, lock core 04, baffle plate 05, handle 06.
In Fig. 3 to Fig. 9:
Lock body 1, junction plate 2, block 3, lock core 4, baffle plate 5, handle 6, fax moving part 7, locking component 8, the first electrical connector 9, the second electrical connector 10, the 3rd electrical connector 11;
Eccentric shaft 41, groove 71, upper connecting rod 81, lower link 82, eccentric shaft step surface 411, pawl 111.
Detailed description of the invention
The problem that the gate lock for cabinet providing based on prior art exists; core of the present utility model is to be optimized improvement for the conduction between the palp bare metal member of human body and rack ground wire; thereby the reliability and the successional gate lock for cabinet that between a kind of metal parts of effective raising gate lock for cabinet operation and ground wire, are connected are provided, and then guarantee the handling safety in rack application process.Another core of the present utility model is to provide a kind of rack with this gate lock for cabinet.
For the operating personnel that make the art understand the utility model scheme better, below in conjunction with Figure of description, the utility model is described in further detail.
Refer to Fig. 3 to Fig. 6, wherein, Fig. 3 is the decomposition texture schematic diagram of gate lock for cabinet described in present embodiment; Fig. 4 is junction plate shown in Fig. 3 and block and lock core assembly relation schematic diagram; Fig. 5 is structure shown in Fig. 4 and handle assembly relation schematic diagram; Fig. 6 is structure shown in Fig. 5 and described lock body assembly relation schematic diagram.
The gate lock for cabinet that the utility model provides, can be used for the distribution cabinets such as low-voltage distribution cabinet, electric power cabinet, communication cabinet etc., and present embodiment is elaborated taking the gate lock for cabinet of photovoltaic DC-to-AC converter rack as specific embodiment.
Specifically as shown in Figure 3, this gate lock for cabinet comprise be communicated with the lock body 1 of ground wire, in the time that operation cabinet door opens and closes human body palp functional unit, this functional unit specifically refer to be fixed on junction plate 2 block 3 and lock core 4, be placed in the baffle plate 5 in handle 6.Compared with prior art, this programme looks for another way, and this gate lock for cabinet is arranged to flexible electrical connector, the elastic reaction of this electrical connector, continuously palp functional unit in conducting lock body and human body operating process.In actual gate lock for cabinet, electrical connector is by being arranged between two members of relative motion, making its contact surface all press butt with the surface of relative motion two members contacts, thereby eliminate the virtual connections state that two members occur in motion process, effectively realize the continuity connecting between two members of relative motion.
Further, this gate lock for cabinet arranges fax moving part 7, and the two ends of this fax moving part 7 are the handle 6 of junctor cabinet door lock and the locking component 8 of gate lock for cabinet directly.When mounted, one end of this fax moving part 7 is first fixed with the shaft hole matching of handle 6, in the axis hole that the other end matches on insertion machine cabinet door lock locking component 8 again; When swing handle 6, drive fax moving part 7 to rotate, so, the rotation action of handle 6 can be directly passed to the upper connecting rod 81 and the lower link 82 that are arranged at locking component 8, drive upper connecting rod 81 and lower link 82 is protruding and inside indentation, realization is connected in the corresponding actions of the locking bar of upper connecting rod 81 and lower link 82, finally completes closing and opening of cabinet door, specifically please also refer to shown in Fig. 3 and Fig. 5.
By above-mentioned setting, the locking component 8 that can effectively evade handle 6 and lock arranges respectively rotating shaft, then transmits the discontinuity of contact while action by being connected.Obviously, adopt the fax moving part 7 of integral type can set up the effective drive connection between handle 6 and locking component 8, thereby, the baffle plate 5 that makes to be installed in handle 6 is set up effective conducting annexation with lock body 1, discontinuous contact phenomena while eliminating relative transmission between the rotating shaft of handle 6 and the power transmission shaft of lock body 1, for the reliability and the continuity that are connected between baffle plate 5 and rack ground wire provide guarantee.Improve the safety in utilization of gate lock for cabinet.
Specifically as shown in Figure 3, Figure 4, electrical connector comprises the first electrical connector 9 of conducting junction plate 2 and lock body 1, and junction plate 2 is fixed in one end of this first electrical connector 9, other end butt lock body 1 surface.So, by relative motion and may have junction plate 2 and lock body 1 close communication in gap in motion process, effectively eliminate virtual connections state between the two when unblanking and shutting action, significantly improved the reliability of conducting between block 3 and ground wire.
In this programme, the electrical connector that the first electrical connector 9 is sheet, can be in the lump referring to shown in Fig. 4 and Fig. 5, and so design can promote convenience that this first electrical connector 9 processes and the manufacturability of installation.
In order to promote continuity and the reliability of the first electrical connector 9 conductings, the further structure to this first electrical connector 9 and connection optimal design, please also refer to Fig. 6 and Fig. 7.The fixed end of the first electrical connector 9 is placed in junction plate 2 concave surface is installed, and, the cambered surface that abutment end bending formation and lock body 1 are fitted; That is to say, the shape of fixed end matches with the installation concave surface of junction plate 2, plays spacing effect, to improve the fixing fixing of the first electrical connector 9, meanwhile, make this abutment end form the butt cambered surface with radian with the end face bends perk of the surperficial phase pretension of lock body 1 butt.So, can guarantee effective contact continuous between the first electrical connector 9 and junction plate 2, and improved the first electrical connector 9 with junction plate 2 fluency during along lock body 1 surface sliding, for the smoothness of gate lock for cabinet opening and closing action provides safeguard.
Based on effective realization of pretension butt, in this programme, vertical distance between the installed surface of tangent plane to the first electrical connector 9 fixed ends that butt cambered surface parallels with lock body 1 contact surface is 4.5mm, the distance that junction plate 2 is installed between concave surface and lock body 1 surface is 3.5mm, wherein the thickness of this first electrical connector 9 is 0.5mm, specifically can be in the lump referring to shown in Fig. 6 and Fig. 7.So, in the time that the first electrical connector 9 is secured by bolts in junction plate 2, abutment end can produce the distortion decrement of about 0.5mm, and what can fully meet butt cambered surface and lock body 1 surface effectively presses fit-state, significantly improves the continuity that junction plate 2 is connected with the conducting of lock body 1.
It should be noted that, set the specification of the first electrical connector 9 herein for the gate lock for cabinet of the specific standard in photovoltaic DC-to-AC converter, be understandable that, the needs of the concrete gate lock for cabinet of design considerations of the size of the first electrical connector 9 and determining, it can meet the surface of abutment end pretension butt lock body 1, realizes effective conducting junction plate 2 and all can with arranging of lock body 1.
In addition, the first electrical connector 9 and block 3 are individually fixed in the both sides of junction plate 2 installation sites herein, and mounting process is better.Certainly, this first electrical connector 9 also can be fixed on the side that block 3 is installed, and makes its direct conducting block 3 and lock body 1, and then realizes reliable connection the between block 3 and ground wire.
Further, as shown in Figure 5 and Figure 8, the eccentric shaft 41 that the second electrical connector 10 is nested in lock core 4 is set, and under installment state, this second electrical connector 10 is pressed between junction plate 2 and the step of eccentric shaft 41, its work plane fits tightly joint face and the eccentric shaft step surface 411 of junction plate 2, guarantees the continuity conducting of lock core 4 and lock body 1.
In this programme, the second electrical connector 10 is preferably corrugated gasket, by this corrugated gasket conducting lock core 4 and junction plate 2, operating personnel insert key rotation lock core 4 and drive in the process that junction plate 2 moves, can effectively guarantee to set up and be connected reliably between lock core 4 positions that human body touches and lock body 1, so that the conducting resistance between lock core 4 and rack ground wire meets the regulation requirement of safe handling, the generation of the phenomenon of effectively avoiding getting an electric shock.
As shown in Figure 9, the peripheral surface of fax moving part 7 is offered groove 71, and the 3rd electrical connector 11 can be nested in this groove 71.In the time that gate lock for cabinet assembles, the surface of shell of the working surface of the 3rd electrical connector 11 and locking component 8 and the bottom land of this groove 71, near butt, further promote the continuity and the reliability that between baffle plate 5 and lock body 1, are connected.
Similarly, the 3rd electrical connector 11 also can be made as corrugated gasket, and this corrugated gasket has the arcwall face of elastically deformable, in the time of two member relative motions, can pass through arc-shaped deformation transmission of pressure, thereby guarantees the reliable connection between two relative moving links.
The second electrical connector 10 and the 3rd electrical connector 11 preferably adopt corrugated gasket to conduct the member of two relative motions herein, and this corrugated gasket should be the material with electrical conduction and makes; Certainly, the second electrical connector 10 and the 3rd electrical connector 11 are not limited to corrugated gasket, also can be designed to other form of structure, only need to meet have certain resilience, and two members that can the logical relative motion of effective conductance all can.
It should be noted that, adopt respectively first, second, third restriction to be arranged at the electrical connector of diverse location herein, wherein, the first electrical connector 9 is set up conducting reliably between lock body 1 and junction plate 2, the second electrical connector 10 connects conducting lock core 4 to be strengthened and is arranged at the fax moving part 7 of handle 6 and the surperficial reliability being connected of the locking component of lock body 18 with junction plate 2, the three electrical connectors 11.Obviously, the restriction of " first, second, third " statement is not construed as limiting for the technical scheme of the application's request protection.
In order to promote the nested fixing of the 3rd electrical connector 11, the structure of corrugated gasket in this programme is optimized to improvement, as shown in Figure 9, the inner edge of corrugated gasket is offered the pawl 111 of axial perk, the surface laminating of this pawl 111 and the 3rd electrical connector 11; That is, offer pawl 111 at the edge coordinating with fax moving part 7, these pawl 111 perk directions are contrary with this corrugated gasket installation direction.So, not only promote the convenience that this corrugated gasket is installed, under installment state, can also make pawl 111 be butted on the top sides edge of groove 71, thereby, the steadiness that this corrugated gasket is installed improved.
Wherein, this programme arranges two symmetrical pawls 111, to guarantee the nested fixing fixing of corrugated gasket, certainly, be not limited to two pawls 111 are set, plural pawl 111 also can be set, and make its inner edge that is distributed in symmetrically corrugated gasket, with the manufacturability of better erection & lift and nested steadiness.
Except above-mentioned gate lock for cabinet, the utility model also provides a kind of rack with this gate lock for cabinet, and gate lock for cabinet is fixed on the cabinet door of rack body.Wherein, rack is not limited to the cabinet that is applied to photovoltaic DC-to-AC converter, also comprises other metal plate type cabinet frames or has the cabinet of metallic conduction cabinet door, and other part-structures of this rack can, with reference to prior art, repeat no more herein.
Above gate lock for cabinet provided by the utility model and rack are described in detail.Only set forth for object lesson of the present utility model herein, the explanation of above specific embodiment is just for helping to understand method of the present utility model and core concept thereof.It should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model feature, if can also make these improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. a gate lock for cabinet, comprises the lock body (1) and the functional unit that are communicated with ground wire, it is characterized in that, also comprises flexible electrical connector, lock body (1) and described functional unit described in described electrical connector conducting.
2. gate lock for cabinet according to claim 1, it is characterized in that, described gate lock for cabinet also comprises fax moving part (7), the handle (6) of one end of described fax moving part (7) and described gate lock for cabinet is connected, and the other end is connected with the locking component (8) that described lock body (1) is fixed in conducting.
3. gate lock for cabinet according to claim 2, it is characterized in that, described electrical connector comprises the first electrical connector (9), the junction plate (2) of described gate lock for cabinet is fixed in one end of described the first electrical connector (9), the surface of lock body (1) described in other end pretension butt.
4. gate lock for cabinet according to claim 3, is characterized in that, the electrical connector that described the first electrical connector (9) is sheet.
5. gate lock for cabinet according to claim 3, it is characterized in that, described electrical connector also comprises the second electrical connector (10), described the second electrical connector (10) is nested in the eccentric shaft (41) of the lock core (4) of described gate lock for cabinet, two work planes fit respectively junction plate (2) surface and described eccentric shaft (41) step surface described in butt.
6. gate lock for cabinet according to claim 5, it is characterized in that, described electrical connector also comprises the 3rd electrical connector (11), described the 3rd electrical connector (11) is nested in the groove (71) of offering on described fax moving part (7) surface, two work planes fit the respectively bottom land of groove (71) and the surface of shell of described locking component (8) described in butt.
7. gate lock for cabinet according to claim 6, is characterized in that, described the second electrical connector (10) and described the 3rd electrical connector (11) are corrugated gasket.
8. gate lock for cabinet according to claim 7, is characterized in that, the inner edge of described the 3rd electrical connector (11) is offered the pawl (111) along installation direction perk.
9. a rack, comprises rack body and the gate lock for cabinet that is fixed on described rack body, it is characterized in that, described gate lock for cabinet is the gate lock for cabinet described in any one in claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074948.7U CN203755845U (en) | 2014-02-20 | 2014-02-20 | Cabinet door lock and cabinet therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074948.7U CN203755845U (en) | 2014-02-20 | 2014-02-20 | Cabinet door lock and cabinet therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203755845U true CN203755845U (en) | 2014-08-06 |
Family
ID=51251134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420074948.7U Expired - Lifetime CN203755845U (en) | 2014-02-20 | 2014-02-20 | Cabinet door lock and cabinet therewith |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203755845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913621A (en) * | 2019-10-31 | 2020-03-24 | 许继电源有限公司 | Protection cabinet for electrical and electronic equipment and charger |
-
2014
- 2014-02-20 CN CN201420074948.7U patent/CN203755845U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913621A (en) * | 2019-10-31 | 2020-03-24 | 许继电源有限公司 | Protection cabinet for electrical and electronic equipment and charger |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |