CN109209060B - Case upper cover locking device with power assisting function - Google Patents
Case upper cover locking device with power assisting function Download PDFInfo
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- CN109209060B CN109209060B CN201811057751.1A CN201811057751A CN109209060B CN 109209060 B CN109209060 B CN 109209060B CN 201811057751 A CN201811057751 A CN 201811057751A CN 109209060 B CN109209060 B CN 109209060B
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- upper cover
- sliding block
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- handle
- spring
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- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000006870 function Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000034303 cell budding Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/04—Spring arrangements in locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/02—Locks or fastenings for special use for thin, hollow, or thin-metal wings
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/181—Enclosures
- G06F1/182—Enclosures with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a case upper cover lock structure with a power-assisted function, which comprises a case base, a case upper cover and an upper cover lock, wherein the case upper cover is provided with a power-assisted function; the upper cover of the case comprises a cover body, bends and hanging nails, wherein the bends are arranged on two sides of the cover body, and the hanging nails are arranged on the bends; hanging nail holes are formed in the two sides of the chassis base and matched with the hanging nails; a square hole is formed in the side edge of the cover body, and an upper cover lock is installed on the square hole; the upper cover lock comprises a shell, a handle, a sliding block, a spring clamp and a rotary lock, wherein the sliding block is arranged in the shell, the sliding block is hinged with the handle, the spring is connected to the rear end of the sliding block, and the spring clamp and the rotary lock are arranged on the back of the handle; by the design of the screw-free, tool-free and labor-saving upper cover lock structure, the operability of maintenance of the whole machine is improved, the disassembly and the assembly are more convenient, and the maintainability of a product is improved; the upper cover lock is arranged at the side position of the lower end face of the upper cover instead of being designed at the middle position of the case, so that the occupation of the space of the server case is greatly reduced.
Description
Technical Field
The invention relates to the technical field of servers and storages, in particular to a case upper cover lock structure with a power assisting function for the servers and the storages.
Background
The server and the memory product require the whole machine design to realize the disassembly and assembly maintenance of the upper cover from the aspects of operation, maintenance and maintenance, and in the prior art, the chassis and the upper cover of the server and the memory product are mainly connected in the following two ways. The first mode is fixed by screws, the bottom of the upper cover is fixed on the case main body by screws, and the upper cover of the case can be opened, but the mode is complex in disassembly and assembly and high in cost. In the second mode, a press button is arranged on the upper cover of the case, and the lock catch is hung at the front end of the case. The upper cover is opened in such a way, and the upper cover is pressed down hard, so that the upper cover is difficult to open, and troubles are caused to service implementing personnel.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the upper cover lock structure with the power-assisted function, and the operability of the maintenance of the whole machine is improved, the disassembly and the assembly are more convenient and the maintainability of the product is improved by the design of the upper cover lock structure without screws, tools and labor; the upper cover lock is arranged at the side position of the lower end face of the upper cover instead of being designed at the middle position of the case, so that the occupation of the space of the server case is greatly reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a chassis upper cover lock structure with a power assisting function comprises a chassis base, a chassis upper cover and an upper cover lock; the upper cover of the case comprises a cover body, bends and hanging nails, wherein the bends are arranged on two sides of the cover body, and the hanging nails are arranged on the bends; hanging nail holes are formed in two sides of the chassis base and matched with the hanging nails; a square hole is formed in the side edge of the cover body, and an upper cover lock is installed on the square hole; the upper cover lock comprises a shell, a handle, a sliding block, a spring clamp and a rotary lock, wherein the sliding block is installed in the shell and is hinged to the handle through a pin, the spring is connected to the rear end of the sliding block, and the spring clamp and the rotary lock are installed on the back of the handle.
The upper cover lock further comprises a rubber gasket, and the rubber gasket is arranged below the front face of the handle.
A fixed seat is arranged on the side surface of the chassis base, and a pin shaft is arranged on the fixed seat; the front part of the shell is provided with a long round hole, the front part of the sliding block is provided with a fixing hole, and the long round hole and the fixing hole are matched with the fixing seat pin shaft.
The casing both sides be provided with the projection, the slider slide in projection below, the casing rear end be provided with left locating piece and right locating piece, left locating piece on be provided with left lug, be provided with right lug on the right locating piece, spring and left lug, right lug cooperation.
The sliding block comprises a sliding block body and a connecting column, two sides of the sliding block body are provided with avoiding holes, the avoiding holes are matched with the convex columns, a sliding block buckle is arranged above the sliding block body and matched with the spring clamp, a round hole is arranged at the rear part of the sliding block body, a U-shaped stop block is arranged above the round hole, and the stop block is matched with the rotary lock; the connecting column is connected to the rear end of the sliding block body and is connected with the spring.
The handle back lower part be provided with two cams, the cam articulated with the spliced pole, handle back middle part is provided with the boss hole, the boss hole with rotatory lock be connected, handle back upper portion is provided with draw-in groove, handle buckle, the spring card be connected with draw-in groove, handle buckle.
The rotary lock comprises a lock rod, a locking plate and a rubber gasket, the lock rod comprises a knob and a connecting rod, the knob is located on the front side of the handle, the connecting rod is connected in the boss hole, and the rubber gasket and the locking plate are sequentially connected onto the connecting rod.
The invention has the beneficial effects that:
1. through the design of the screw-free, tool-free and labor-saving upper cover lock structure, the operability of maintenance of the whole machine is improved, the disassembly and the assembly are more convenient, and the maintainability of the product is improved; the upper cover lock is arranged at the side position of the lower end face of the upper cover instead of being designed at the middle position of the case, so that the occupation of the space of the server case is greatly reduced.
2. When the upper cover of the case is connected with the base of the case, firstly, a hanging nail is placed in a hanging nail hole, a pin on a fixed seat is inserted into a long circular hole on the shell and a fixed hole on the sliding block, the shell can slide left and right along the pin, then a handle is rotated, a cam on the handle is contacted with a left positioning block and a right positioning block, the cam is limited by the left positioning block and the right positioning block, when the handle is rotated, the shell and the upper cover of the case are pushed to slide left until the handle is completely closed, at the moment, the hanging nail is locked with the hanging nail hole, a sliding block buckle is locked with a spring clamp, and then a knob is rotated, so that a locking plate is locked with a stop block; when the upper cover needs to be opened, firstly, the knob is rotated to unlock the locking plate and the stop block, then the handle is pulled off, the slider buckle and the spring clamp are unlocked, the shell and the upper cover of the case slide rightwards under the action of the spring force, the left positioning block and the right positioning block are limited by the handle cam, so that the handle is driven to rotate, and after the spring returns to the original state, the hanging nail is unlocked with the hanging nail hole, and the upper cover of the case is separated from the base of the case; the invention fixes the sliding block relative to the chassis base through the matching of the pin and the fixing hole, and then enables the shell and the chassis upper cover to slide relative to the pin in the range of the long round hole under the limiting action of the cam, the left positioning block and the right positioning block, thereby achieving the purposes of locking and unlocking.
3. The spring is arranged in the upper cover lock, the spring is a powerful spring, one end of the spring is matched with the left convex block and the right convex block, the other end of the spring is connected with the sliding block support, when the cam is limited by the left locating block and the right locating block, the handle rotates to push the shell and the upper cover of the case to slide leftwards, the spring is compressed to store energy, after the handle is unlocked, the shell and the upper cover of the case slide rightwards under the action of the elastic force of the spring to achieve the purpose of unlocking, the spring in the design has the function of assisting power, and the upper cover of the case can be firmly fixed, quickly assembled and disassembled in.
4. Because the elasticity of the strong spring is larger, the handle is provided with two locking devices, one is a spring clip, the other is a rotary lock, the spring clip is locked with the slide block in a buckling and matching way, and the rotary lock is locked with the stop block on the slide block in a matching way.
5. The upper cover lock shell is provided with the projection on two sides, and the slider both sides are provided with and keep away the position hole, and during the installation, with keeping away the position hole of slider and the projection alignment of casing, install the slider in the casing below, the slide is constituteed with the casing bottom surface to the projection, makes slider and casing relative slip, and this kind of design is exquisite, compromises assembly and function, has improved user experience.
Drawings
FIG. 1 is a three-dimensional block diagram of the present invention;
FIG. 2 is a three-dimensional block diagram of a chassis base;
fig. 3 is a partial enlarged view at a of fig. 2;
FIG. 4 is a three-dimensional structural diagram of the upper cover of the case;
FIG. 5 is a three-dimensional block diagram of the lid lock assembly after the handle is unlocked;
FIG. 6 is a three-dimensional block diagram of the lid lock assembly after handle locking;
FIG. 7 is a cross-sectional view taken at B-B of FIG. 6;
FIG. 8 is a three-dimensional exploded view of the upper cover lock assembly;
in the figure, 1-chassis base; 11-hanging nail holes; 12-a fixed seat; 121-a pin shaft; 2-upper cover of the case; 21-a cover body; 22-bending; 23-hanging nails; 24-square holes; 3-locking the upper cover; 31-a housing; 311-oblong holes; 312-a convex column; 313-a left locating block; 314-right locating block; 32-a handle; 321-a cam; 322-boss holes; 323-card slot; 324-handle snap; 33-a slide block; 331-fixed holes; 332-a slider body; 333-connecting column; 334-avoiding holes; 335-slide block snap; 336-holes; 337-a stop block; 34-a spring; 35-a spring clip; 36-a rotation lock; 361-locking bar; 362-locking tab; 363-rubber gasket; 37-a pin; 38-rubber gasket.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments.
As shown in fig. 1-8, a case upper cover lock structure with a power-assisting function includes a case base 1, a case upper cover 2 and an upper cover lock 3; the upper cover 2 of the case comprises a cover body 21, a bend 22 and a hanging nail 23, wherein the bend 22 is arranged at two sides of the cover body 21, the hanging nail 23 is arranged on the bend 22, a square hole 24 is arranged at the upper side edge of the cover body 21, and an upper cover lock 3 is arranged on the square hole 24; and hanging nail holes 11 are formed in two sides of the chassis base 1, and the hanging nail holes 11 are matched with the hanging nails 23.
The upper cover lock 3 comprises a shell 31, a handle 32, a sliding block 33, a spring 34, a spring clamp 35 and a rotary lock 36, wherein the sliding block 33 is installed in the shell 31, one end of the sliding block 33 is hinged with the handle 32 through a pin 37, the spring 34 is connected to the rear end of the sliding block 33, and the spring clamp 35 and the rotary lock 36 are installed on the back surface of the handle 32.
Through the design of the structure of the upper cover lock 3 without screws, tools and labor, the operability of maintenance of the whole machine is improved, the disassembly and the assembly are more convenient, and the maintainability of the product is improved; the upper cover lock 3 is arranged at the side position of the lower end surface of the upper cover instead of being designed at the middle position of the case, so that the occupation of the space of the server case is greatly reduced.
The cover lock 3 further comprises a rubber gasket 38, and the rubber gasket 38 is arranged below the front surface of the handle 32, and is blue in appearance and used for indicating the operation position.
A fixed seat 12 is arranged on the side surface of the chassis base 1, and a pin shaft 121 is arranged on the fixed seat 12; the front part of the shell 31 is provided with a long round hole 311, the front part of the sliding block 33 is provided with a fixing hole 331, and the long round hole 311 and the fixing hole 331 are matched with the fixing seat pin shaft 121.
The improved structure of the spring comprises a shell 31, and is characterized in that convex columns 312 are arranged on two sides of the shell 31, a sliding block 33 slides below the convex columns 312, a left positioning block 313 and a right positioning block 314 are arranged at the rear end of the shell 31, a left convex block is arranged on the left positioning block 313, a right convex block is arranged on the right positioning block 314, and the spring 34 is matched with the left convex block and the right convex block.
The sliding block 33 comprises a sliding block body 332 and a connecting column 333, two sides of the sliding block body 332 are provided with avoiding holes 334, the avoiding holes 334 are matched with the convex columns 312, a sliding block buckle 335 is arranged above the sliding block body 332, the sliding block buckle 335 is matched with the spring clamp 35, the rear part of the sliding block body 332 is provided with a hole 336, a horseshoe-shaped stop piece 337 is arranged above the hole 336, and the stop piece 337 is matched with the rotary lock 36; the connecting column 333 is connected to the rear end of the slider body 332, the connecting column 333 is connected with the spring 34, and the spring 34 is sleeved on the connecting column 333.
Because upper cover lock casing 31 both sides are provided with projection 312, and slider 33 both sides are provided with has the hole 334 of keeping away, during the installation, aligns the hole 334 of keeping away of slider with the projection 312 of casing, installs slider 33 in casing 31 below, and projection 312 constitutes the slide with casing 31 bottom surface, makes slider and casing relative slip, and this kind of design is exquisite, compromises assembly and function, has improved user experience.
The handle 32 is characterized in that the lower part of the back of the handle 32 is provided with two convex structures in the shape of cams 321, the cams 321 are hinged with a connecting column 333, the middle part of the back of the handle 32 is provided with boss holes 322, the boss holes 322 are connected with the rotary lock 36, the upper part of the back of the handle 32 is provided with a clamping groove 323 and a handle buckle 324, and the spring clamp 35 is connected with the clamping groove 323 and the handle buckle 324.
The spring 34 is arranged in the upper cover lock 3, the spring 34 is a strong spring, one end of the spring 34 is matched with the left convex block and the right convex block, the other end of the spring 34 is connected with the slide block connecting column 333, when the cam 321 is limited by the left positioning block 313 and the right positioning block 314, the handle 32 rotates to push the shell 31 and the case upper cover 2 to slide leftwards, the spring 34 is compressed to store energy, after the handle 32 is unlocked, the shell 31 and the case upper cover 2 slide rightwards under the elastic force action of the spring 34 to achieve the purpose of unlocking, and the spring in the design plays a role of assisting in power, so that the case upper cover is firmly fixed, fast and labor-saving to assemble and disassemble.
The rotary lock 36 comprises a lock rod 361, a locking plate 362 and a rubber gasket 363, the lock rod 36 comprises a knob and a connecting rod, the knob is located on the front face of the handle, the connecting rod is connected in the boss hole 322, and the rubber gasket 363 and the locking plate 362 are sequentially connected onto the connecting rod.
Because the strong spring 34 has larger elasticity, the invention arranges two locking devices on the handle 32, one is the spring clip 35, and the other is the rotary lock 36, wherein the spring clip 35 is locked with the slide block buckle 335 in a matching way, and the rotary lock 36 is locked with the stop piece 337 on the slide block in a matching way, the design improves the structural stability and reliability, and prevents the unlocking by misoperation.
The locking and unlocking process of the upper cover lock structure with the power assisting function is as follows:
the upper cover lock 3 is in budding riveting with the upper cover 2 of the case, when the upper cover 2 of the case is connected with the base 1 of the case, firstly, the hanging nail 23 is placed in the hanging nail hole 11, the pin shaft 121 on the fixed seat 12 is inserted into the long circular hole 311 on the shell 31 and the fixed hole 331 on the sliding block 33, the shell 31 can slide left and right along the pin shaft 121, then the handle 32 is rotated, the cam 321 on the handle 32 is contacted with the left positioning block 313 and the right positioning block 314, because the cam 321 is limited by the left positioning block 313 and the right positioning block 314, when the handle 32 rotates, the shell 31 and the upper cover 2 of the case are pushed to slide forward until the handle 32 is completely closed, at this time, the hanging nail 23 is locked with the hanging nail hole 11, the sliding block buckle 335 is locked with the spring clamp 35, and then the knob is; when the upper cover needs to be opened, firstly, the knob is rotated to unlock the lock sheet 362 and the stop 337, then the handle 32 is pulled off, the slider buckle 335 and the spring clamp 35 are unlocked, the shell 31 and the chassis upper cover 2 slide backwards under the elastic force of the spring 34, the left positioning block 313 and the right positioning block 314 are limited by the handle cam 321, so that the handle 32 is driven to rotate, and after the spring returns to the original state, the hanging nails 23 are unlocked from the hanging nail holes 11, so that the chassis upper cover 2 is separated from the chassis base 1; according to the invention, the pin shaft 121 is matched with the fixing hole 331 to fix the sliding block 33 relative to the chassis base 1, and then the shell 31 and the chassis upper cover 2 slide relative to the pin shaft 121 in the range of the long circular hole 311 under the limiting action of the cam 321, the left positioning block 313 and the right positioning block 314, so that the purposes of locking and unlocking are achieved.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (4)
1. A chassis upper cover locking device with a power assisting function comprises a chassis base, a chassis upper cover and an upper cover lock; the upper cover of the case comprises a cover body, bends and hanging nails, wherein the bends are arranged on two sides of the cover body, and the hanging nails are arranged on the bends; hanging nail holes are formed in two sides of the chassis base and matched with the hanging nails; the novel toilet bowl is characterized in that a square hole is formed in the side edge of the cover body, and an upper cover lock is installed on the square hole; the upper cover lock comprises a shell, a handle, a sliding block, a spring clamp and a rotary lock, wherein the sliding block is arranged in the shell, the sliding block is hinged with the handle, the spring is connected to the rear end of the sliding block, and the spring clamp and the rotary lock are arranged on the back of the handle;
the two sides of the shell are provided with convex columns, the sliding block slides below the convex columns, the rear end of the shell is provided with a left positioning block and a right positioning block, the left positioning block is provided with a left convex block, the right positioning block is provided with a right convex block, and the spring is matched with the left convex block and the right convex block;
the sliding block comprises a sliding block body and a connecting column, two sides of the sliding block body are provided with avoiding holes, the avoiding holes are matched with the convex columns, a sliding block buckle is arranged above the sliding block body and matched with the spring clamp, the rear part of the sliding block body is provided with a hole, a U-shaped stop block is arranged above the hole, and the stop block is matched with the rotary lock; the connecting column is connected with the rear end of the sliding block body and is connected with the spring;
the handle back lower part be provided with two cams, the cam articulated with the spliced pole, handle back middle part is provided with the boss hole, the boss hole with rotatory lock be connected, handle back upper portion is provided with draw-in groove, handle buckle, the spring card be connected with draw-in groove, handle buckle.
2. The apparatus of claim 1, wherein the cover lock further comprises a rubber gasket, and the rubber gasket is mounted under the front surface of the handle.
3. The upper cover locking device with the power assisting function for the chassis according to claim 1, wherein a fixed seat is installed on the side surface of the chassis base, and a pin shaft is installed on the fixed seat; the front part of the shell is provided with a long round hole, the front part of the sliding block is provided with a fixing hole, and the long round hole and the fixing hole are matched with the fixing seat pin shaft.
4. The upper cover locking device with the power assisting function for the chassis according to claim 1, wherein the rotary lock comprises a lock rod, a lock plate and a rubber gasket, the lock rod comprises a knob and a connecting rod, the knob is located on the front face of the handle, the connecting rod is connected in the boss hole, and the rubber gasket and the lock plate are sequentially connected to the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057751.1A CN109209060B (en) | 2018-09-11 | 2018-09-11 | Case upper cover locking device with power assisting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057751.1A CN109209060B (en) | 2018-09-11 | 2018-09-11 | Case upper cover locking device with power assisting function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109209060A CN109209060A (en) | 2019-01-15 |
| CN109209060B true CN109209060B (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811057751.1A Active CN109209060B (en) | 2018-09-11 | 2018-09-11 | Case upper cover locking device with power assisting function |
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| CN (1) | CN109209060B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11459792B2 (en) * | 2019-04-24 | 2022-10-04 | Hewlett Packard Enterprise Development Lp | Rotated hood latch |
| CN113685092B (en) * | 2020-05-19 | 2022-09-06 | 富联精密电子(天津)有限公司 | Locking structure and server case with same |
| CN112269440B (en) * | 2020-11-05 | 2022-08-19 | 苏州浪潮智能科技有限公司 | Tool-free labor-saving handle structure and use method thereof |
| CN114025524A (en) * | 2021-09-24 | 2022-02-08 | 南京迪特尔电子机械技术有限公司 | Communication cabinet door with quick opening and closing lock body |
| CN114542664B (en) * | 2022-02-25 | 2023-09-22 | 苏州浪潮智能科技有限公司 | Tool-free quick-dismantling structure of tank chain |
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|---|---|---|---|---|
| CN104912385A (en) * | 2015-06-29 | 2015-09-16 | 北京安恒利通科技股份公司 | A door handle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW431756U (en) * | 2000-08-16 | 2001-04-21 | Hon Hai Prec Ind Co Ltd | Computer casing |
| CN201588465U (en) * | 2009-11-04 | 2010-09-22 | 姚春良 | Plane auto-buckled type electrical cabinet door lock |
| CN101854789B (en) * | 2010-04-23 | 2013-04-03 | 雅固拉国际精密工业(苏州)有限公司 | Locking device for server cabinet |
| CN102421268A (en) * | 2011-08-22 | 2012-04-18 | 广东欧珀移动通信有限公司 | Uncapping mechanism for digital products |
| CN207560525U (en) * | 2017-10-31 | 2018-06-29 | 华为技术有限公司 | A kind of equipment of cover fixing device and the application cover fixing device |
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2018
- 2018-09-11 CN CN201811057751.1A patent/CN109209060B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912385A (en) * | 2015-06-29 | 2015-09-16 | 北京安恒利通科技股份公司 | A door handle |
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| CN109209060A (en) | 2019-01-15 |
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Effective date of registration: 20200827 Address after: 215100 No. 1 Guanpu Road, Guoxiang Street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Applicant after: SUZHOU LANGCHAO INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 450018 Henan province Zheng Dong New District of Zhengzhou City Xinyi Road No. 278 16 floor room 1601 Applicant before: ZHENGZHOU YUNHAI INFORMATION TECHNOLOGY Co.,Ltd. |
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