CN208890140U - A kind of high-tension switch cabinet - Google Patents
A kind of high-tension switch cabinet Download PDFInfo
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- CN208890140U CN208890140U CN201821622915.6U CN201821622915U CN208890140U CN 208890140 U CN208890140 U CN 208890140U CN 201821622915 U CN201821622915 U CN 201821622915U CN 208890140 U CN208890140 U CN 208890140U
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- cabinet
- cabinet door
- cabinet body
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- block
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- 230000003139 buffering effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model relates to technical field of electric equipment, disclose a kind of high-tension switch cabinet, its drip irrigation device includes cabinet body and cabinet door, cabinet door is hingedly on the cabinet, cabinet body is equipped with several dashpots close to the one side of cabinet door, Buffer Unit is equipped in dashpot, Buffer Unit includes the buffer spring being fixedly connected with the bottom surface of dashpot, it is connected to the fixed block of the other end of buffer spring and the buffer stopper on fixed block, one end of fixed block is located in dashpot, buffer stopper is located at side of the fixed block far from buffer spring, the front side of dashpot is equipped with the fixing groove for communicating therewith and being greater than buffer stopper, cabinet door is connected with cabinet body by positioning component.The utility model has the impact force that can reduce when cabinet door is closed to cabinet body, will not influence the fastness of interior of the cabinet junction, is conducive to the stable function of power transmission and distribution.
Description
Technical field
The utility model relates to technical field of electric equipment, and more specifically it is related to a kind of high-tension switch cabinet.
Background technique
High-tension switch cabinet mainly plays on-off, control or protection in electric system power generation, power transmission and distribution, electric energy conversion and consumption
Effect, be essential power supply auxiliary facility in power industry.
Currently, the Chinese patent that Authorization Notice No. is CN207134631U discloses a kind of high-tension switch cabinet, it includes cabinet
Body and cabinet door are connected between cabinet door and cabinet body left column by several hinges, and door bolt is equipped on cabinet body right column, is welded in cabinet door
Several locating pieces are connected to, are provided with underdrive item between two adjacent locating pieces.It is provided with guide groove on upper underdrive item, is led
Bolt is provided with into slot, bolt lower end is provided with lock, and bolt through-hole and door bolt card slot are provided on locating piece, is set in cabinet door
It is equipped with lifting door lock, lifting door lock and bolt are rotatablely connected, and lift slide door, which is locked, is provided with insulation sleeve.The high-tension switch cabinet has just
The operability of benefit and reliable explosion-proof, have ensured the personal safety of operator.
But when people close the cabinet door of above-mentioned high-tension switch cabinet, cabinet door closing moment to the impact force of cabinet body
Greatly, the fastness for easily influencing interior of the cabinet junction is unfavorable for power transmission and distribution and stablizes.
Utility model content
In view of the deficienciess of the prior art, having can reduce the utility model lies in that providing a kind of high-tension switch cabinet
To the impact force of cabinet body when cabinet door is closed, the fastness of interior of the cabinet junction will not influence, be conducive to power transmission and distribution and stablize
Function.
To achieve the above object, the utility model provides following technical solution: a kind of high-tension switch cabinet, including cabinet body and
Cabinet door, hingedly on the cabinet, the cabinet body is equipped with several dashpots, the dashpot close to the one side of the cabinet door to the cabinet door
It is interior be equipped with Buffer Unit, the Buffer Unit include the buffer spring being fixedly connected with the bottom surface of the dashpot, be connected to it is slow
The fixed block of the other end of spring and the buffer stopper on fixed block are rushed, one end of the fixed block is located at the dashpot
Interior, the buffer stopper is located at side of the fixed block far from buffer spring, and the front side of the dashpot, which is equipped with, to be communicated therewith and be greater than
The fixing groove of buffer stopper, the cabinet door are connected with cabinet body by positioning component.
By using above-mentioned technical proposal, when people close cabinet door, by cabinet door to close to the movement of the side of cabinet body, cabinet door
It is abutted with buffer stopper and active force backward is generated to buffer stopper, fixed block, which moves therewith and squeezes buffer spring, makes buffer spring
Deformation generates elastic force, then cabinet door is pushed backward and so that cabinet door is linked together with cabinet body by positioning component.Buffer stopper at this time
In fixing groove, fixing groove makes buffer stopper without departing from cabinet body, so that cabinet door be made to connect with cabinet body closer.Buffering elastic
Spring plays the role of buffering, reduces cabinet door to the impact force of cabinet body, so that cabinet door will not influence interior of the cabinet line when closed
The fastness of road junction is conducive to power transmission and distribution and stablizes.
The utility model is further arranged to: the positioning component includes mutually matched first positioning magnet and second
Magnet is positioned, the first positioning magnet is embedded in the front end face of the cabinet body, and the second positioning magnet is embedded in described
One side of the cabinet door close to the cabinet body.
By using above-mentioned technical proposal, when cabinet door, which is moved to, to abut with cabinet body, the first positioning magnet and second is determined
Position magnet attracts each other and generates the magnetic force of the elastic force greater than buffer spring, so that cabinet door will not be to the sidesway far from cabinet body
It is dynamic.People can realize the closing of cabinet door without in addition operating other mechanisms, have the effect of easy to operate.
The utility model is further arranged to: the front end face of the cabinet body is fixed with cushion made of rubber.
By using above-mentioned technical proposal, cushion has certain elasticity and deformability, can contact cabinet in cabinet door
The moment of body plays certain buffer function, further reduces cabinet door when closed with the impact force of cabinet body, is conducive to transmission & distribution
Electricity is stablized.
The utility model is further arranged to: the two sides up and down of the dashpot are respectively equipped with the sliding communicated therewith
Slot, the upper and lower ends of the fixed block are respectively fixed with a sliding shoe, and two sliding shoes are slidably installed in respectively in two sliding grooves.
By using above-mentioned technical proposal, when buffer stopper is moved forward and backward, fixed block is moved forward and backward therewith, two sliding shoes
It is moved forward and backward respectively along two sliding grooves.Sliding shoe and sliding groove cooperation are so that fixed block, which will not move to, completely disengages buffering
Slot avoids fixed block and buffer stopper from falling under self gravity.
The utility model is further arranged to: the front side of the buffer stopper is equipped with rubber pad.
By using above-mentioned technical proposal, rubber pad plays the work for reducing the abrasion that cabinet door and buffer stopper are generated in collision
With extending the service life of cabinet door and buffer stopper.
The utility model is further arranged to: the upper surface of the buffer stopper is equipped with dovetail groove, the rear end of the rubber pad
Face is fixed with dovetails, and the dovetails are slidably installed in the dovetail groove.
Rubber pad is moved up when rubber pad is damaged by using above-mentioned technical proposal, dovetails are therewith along dovetail
Slot moves up.When dovetails are separated with dovetail groove, rubber pad is separated with buffer stopper, replaces rubber pad convenient for people.
The utility model is further arranged to: the quantity of the cabinet door is two, on the left and right inner wall of the cabinet body respectively
It is fixed with a root post, has been bolted mounting blocks by several on the column, the mounting blocks are L-shaped and upper surface is equipped with
Mounting hole, two cabinet doors are equipped with rotating block close to cabinet body on one side, and the rotating block is equipped with matches with the mounting blocks
The mounting groove of conjunction, sets that there are two connecting holes on the rotating block, and two connecting holes are located at the two sides up and down of mounting groove, described
Bolt is equipped in connecting hole, the bolt includes the locating rod being fixed on its side wall.
Mounting blocks are first inserted into corresponding mounting groove when people install cabinet door by using above-mentioned technical proposal
It is interior and be aligned mounting hole with two connecting holes, then bolt is penetrated in connecting hole, bolt connects mounting blocks and rotating block
It is connected together, to realize the connection of cabinet door and cabinet body.The upper surface of locating rod and rotating block abuts at this time, and locating rod to insert
Pin will not fall under the effect of gravity, ensure the normal rotation of cabinet door.When people need to dismantle cabinet door, it is only necessary to by bolt to
On lift and separate it with connecting hole, dismount cabinet door convenient for people.
The utility model is further arranged to: the locating piece being fixed with right above the rotating block in the cabinet door,
The locating piece is equipped with the location hole passed through for the bolt.
By using above-mentioned technical proposal, when cabinet door is vibrated, bolt is easily moved up, thus influence mounting blocks and
The stability of rotating block connection.Bolt can be initially passed through location hole and is inserted into connecting hole by people, then bolt is rotated certain angle
Degree keeps bolt and the position of location hole not exclusively corresponding, and bolt moves up Shi Huiyu locating piece after being vibrated and supports at this time
It connects.Locating piece makes bolt be not easy to move to and separate with connecting hole, improves the stability that mounting blocks are connected with rotating block.
The utility model is further arranged to: the upper surface of the rotating block is fixed with limited block, the side of the limited block
Face is fixed with hemispheric fixture block, and the side wall of the locating rod is equipped with the card slot cooperated with the fixture block.
By using above-mentioned technical proposal, after bolt is passed through location hole by people, then bolt, which is turned to, keeps fixture block embedding
Enter in card slot, fixture block and card slot cooperation are prevent bolt further improves steady when cabinet door is connected with cabinet body from arbitrarily moving
It is qualitative.
In conclusion the utility model has the following beneficial effects:
1. when people close cabinet door, two cabinet doors are mobile to the side close to cabinet body respectively, cabinet door and corresponding
Buffer stopper abut and squeeze buffer spring and make its deformation, buffer spring generates forward active force to cabinet door, can reduce cabinet
Door will not influence the fastness of interior of the cabinet junction when closed to the impact force of cabinet body, is conducive to power transmission and distribution and stablizes；
First positioning magnet and the second positioning magnet attract each other so that cabinet door and cabinet body are not readily separated, and it is slow that fixed block plays support
The effect for rushing block, avoids it from falling under the effect of gravity；
2. cushion and rubber pad play the role of further buffering, when rubber pad is damaged, people can by by its to
Upper movement separates dovetails and dovetail groove, replaces rubber pad convenient for people；Sliding shoe and sliding groove transport fixed block will not
It moves to dashpot and separates, ensured the normal work of buffer spring；
3. bolt is aligned with location hole first and bolt is made to be each passed through mounting hole and two companies when people install cabinet door
Hole is connect, then turning to locating rod makes in fixture block insertion card slot, and fixture block and card slot cooperation are so that bolt is not easily shifted, to keep away
Exempt to move up and down when bolt is vibrated and influence the stability that cabinet door is connected with cabinet body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the perspective view of the explosion for highlighting fixture block in the present embodiment；
Fig. 3 is the perspective view of the explosion for highlighting dovetail groove in the present embodiment；
Fig. 4 is the enlarged diagram in Fig. 3 at A.
Appended drawing reference: 1, cabinet body；2, cabinet door；3, dashpot；4, Buffer Unit；5, column；6, mounting blocks；7, rotating block；
8, mounting groove；9, connecting hole；10, mounting hole；11, bolt；12, locating rod；13, locating piece；14, location hole；15, limited block；
16, fixture block；17, card slot；18, the first positioning magnet；19, the second positioning magnet；20, cushion；21, buffer spring；22,
Fixed block；23, buffer stopper；24, sliding shoe；25, sliding groove；26, fixing groove；27, dovetail groove；28, dovetails；29, rubber pad.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Present embodiment discloses a kind of high-tension switch cabinets, as shown in Figure 1, Figure 3, hinged including cabinet body 1 and with cabinet body 1 two
The front side of a cabinet door 2, cabinet body 1 is opening, and the two sides up and down of the opening of cabinet body 1 are respectively equipped with two dashpots 3, four dashpots
3 is corresponding with two cabinet doors 2 respectively.The bottom surface of dashpot 3 is fixed with Buffer Unit 4.
As shown in Figure 1 and Figure 2, a vertical column 5,5 phase of two root posts are respectively fixed on the left and right inner wall of cabinet body 1
Pair be respectively equipped with two L-shaped mounting blocks 6 on one side, mounting blocks 6 are fixed with column 5 by two bolts.In two cabinet doors 2
Be welded with two rotating blocks 7 corresponding with two 6 positions of mounting blocks respectively, rotating block 7 close to the one side of mounting blocks 6 be equipped with
The mounting groove 8 of 6 clearance fit of mounting blocks, the two sides up and down of mounting groove 8 are respectively equipped with a connecting hole 9, the upper surface of mounting blocks 6
Equipped with mounting hole 10.The bolt 11 that can run through mounting blocks 6 and rotating block 7 is equipped in the connecting hole 9 of upside, bolt 11 includes
It is fixed on the locating rod 12 of its sidewall upper.When people install cabinet door 2, bolt 11 is passed through into mounting hole 10 and two connecting holes
9 make cabinet door 2 and cabinet body 1 link together.It, only need to be by the two of connecting cabinet door 2 and cabinet body 1 when people need to dismantle cabinet door 2
A bolt 11 lifts upwards separates it with the connecting hole 9 of upside, dismounts cabinet door 2 convenient for people.
As shown in Figure 1 and Figure 2, the surface of rotating block 7 is equipped with the locating piece 13 being fixed in cabinet door 2, sets on locating piece 13
There is location hole 14 corresponding with the shape of bolt 11.The upper surface of rotating block 7 is fixed with limited block 15, and the side of limited block 15 is solid
Surely there is hemispheric fixture block 16, the side wall of locating rod 12 is equipped with the card slot 17 being interference fitted with fixture block 16.When people's Installation cabinet
When door 2, bolt 11 is passed through into after location hole 14 insertion in connecting hole 9 and mounting hole 10, then locating rod 12 is turned to makes card
Slot 17 and fixture block 16 are interference fitted, so that the position of bolt 11 is fixed, bolt 11 are avoided to move up and down and shadow when being vibrated
Ring the stability of cabinet door 2 and the connection of cabinet body 1.
As Figure 1 and Figure 4, the front end face of cabinet body 1 it is embedding there are two extend transversely first positioning magnet 18, two
Cabinet body 1 is embedding there are two the second positioning magnet 19 close to the one side difference of cabinet door 2, and two first positioning magnets 18 are respectively with two
A second positioning magnet 19 cooperates.The front end face of cabinet body 1 is fixed with cushion 20 made of rubber.When cabinet door 2 is transported
It moves to when being abutted with cabinet body 1, the first positioning magnet 18 and the second positioning magnet 19 attract each other so that cabinet door 2 and cabinet body 1
It fits closely, so that cushion 20 plays certain buffering in the moment that cabinet door 2 and cabinet body 1 abut by the closure of openings of cabinet body 1
Effect is conducive to power transmission and distribution and stablizes.
As Figure 1 and Figure 4, Buffer Unit 4 includes buffer spring 21, fixed block 22 and buffer stopper 23, buffer spring 21
One end is fixed on the bottom surface of dashpot 3, and the other end is fixedly connected with fixed block 22.One end of fixed block 22 is located in dashpot 3
And upper and lower end face is respectively fixed with sliding shoe 24, and the two sides up and down of dashpot 3 are respectively equipped with the sliding groove 25 communicated therewith, and two
Sliding shoe 24 is slidably installed in respectively in two sliding grooves 25.The one side of buffer stopper 23 and fixed block 22 far from buffer spring 21 is fixed to be connected
Dashpot 3 is connect and exceeds, the front side of dashpot 3 is equipped with the fixing groove 26 greater than buffer stopper 23.It, will when people close cabinet door 2
Cabinet door 2 is rotated to the side close to cabinet body 1, and cabinet door 2 first abuts with buffer stopper 23 and moves backward buffer stopper 23, fixed block 22
It moves and squeezes buffer spring 21,21 compressive deformation of buffer spring and forward active force is generated to cabinet door 2, reduce cabinet
Door 2 will not influence the fastness of junction in cabinet body 1, it is steady to be conducive to power transmission and distribution when closed to the impact force of cabinet body 1
It is fixed.Sliding shoe 24 and sliding groove 25 play the role of that fixed block 22 is avoided to be kept completely separate with dashpot 3, have ensured Buffer Unit 4
Normal work.Fixing groove 26 makes buffer stopper 23, without departing from cabinet body 1, ensure the normal pass of cabinet door 2 when cabinet door 2 is closed
It closes.
As shown in Figure 3, Figure 4, the upper surface of buffer stopper 23 is equipped with the dovetail groove 27 that is connected to its front end face, in dovetail groove 27
Dovetails 28 are slidably equipped with, the front side of dovetails 28 is fixed with rubber pad 29.Rubber pad 29 plays reduction cabinet door 2 and buffer stopper 23 supports
The effect of the abrasion generated when connecing extends the service life of buffer stopper 23 and cabinet door 2.When rubber pad 29 is damaged, Ren Menke
Cushion 20, which is moved up, separates dovetails 28 and dovetail groove 27, replaces rubber pad 29 convenient for people.
The implementation principle of the present embodiment: when people install cabinet door 2, installation is inserted into after bolt 11 is first passed through location hole 14
In hole 10 and two connecting holes 9, then locating rod 12, which is turned to, connect fixture block 16 with card slot 17, so that the position of bolt 11 is solid
It is fixed.When people close cabinet door 2, cabinet door 2 is rotated to the side close to cabinet body 1, cabinet door 2 first abuts with rubber pad 29 and makes to delay
It rushes block 23 to move backward, fixed block 22 and sliding shoe 24 move, and buffer spring 21 is squeezed deformation and generates cabinet door 2
Forward active force reduces cabinet door 2 to the impact force of cabinet body 1, can be avoided the fastness of the junction in cabinet body 1 by
To influence, is conducive to power transmission and distribution and stablizes.Then cabinet door 2 is pushed to makes the first positioning magnet 18 and the second positioning magnet 19
Abutting, the first positioning magnet 18 and the second positioning magnet 19 attract each other and cabinet door 2 are made to be not easy to separate with cabinet body 1, thus real
The closing of existing cabinet door 2.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel design concept, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model
Within the scope of.
Claims (9)
1. a kind of high-tension switch cabinet, including cabinet body (1) and cabinet door (2), the cabinet door (2) are hinged on cabinet body (1), feature exists
In: one side of the cabinet body (1) close to the cabinet door (2) is equipped with several dashpots (3), and buffering is equipped in the dashpot (3)
Component (4), the Buffer Unit (4) include the buffer spring (21) being fixedly connected with the bottom surface of the dashpot (3), are connected to
The fixed block (22) of the other end of buffer spring (21) and the buffer stopper (23) being set on fixed block (22), the fixed block (22)
One end be located in the dashpot (3), the buffer stopper (23) is located at side of fixed block (22) separate buffer spring (21),
The front side of the dashpot (3) is equipped with the fixing groove (26) for communicating therewith and being greater than buffer stopper (23), the cabinet door (2) and cabinet body
(1) it is connected by positioning component.
2. a kind of high-tension switch cabinet according to claim 1, it is characterised in that: the positioning component includes mutually matched
First positioning magnet (18) and the second positioning magnet (19), first positioning magnet (18) are embedded in the cabinet body (1)
Front end face, it is described second positioning magnet (19) embedded in the cabinet door (2) close to the cabinet body (1) one side.
3. a kind of high-tension switch cabinet according to claim 2, it is characterised in that: the front end face of the cabinet body (1) is fixed with
Cushion (20) made of rubber.
4. a kind of high-tension switch cabinet according to claim 1, it is characterised in that: the two sides up and down of the dashpot (3) point
Not She You a sliding groove (25) that communicated therewith, the upper and lower ends of the fixed block (22) are respectively fixed with a sliding shoe
(24), two sliding shoes (24) are slidably installed in respectively in two sliding grooves (25).
5. a kind of high-tension switch cabinet according to claim 1, it is characterised in that: the front side of the buffer stopper (23) is equipped with rubber
Rubber mat (29).
6. a kind of high-tension switch cabinet according to claim 5, it is characterised in that: the upper surface of the buffer stopper (23) is equipped with
The rear end face of dovetail groove (27), the rubber pad (29) is fixed with dovetails (28), and the dovetails (28) are slidably installed in the swallow
In stern notch (27).
7. a kind of high-tension switch cabinet according to claim 1, it is characterised in that: the quantity of the cabinet door (2) is two, institute
It states and is respectively fixed on the left and right inner wall of cabinet body (1) root post (5), be bolted peace by several on the column (5)
It fills block (6), the mounting blocks (6) are L-shaped and upper surface is equipped with mounting hole (10), and two cabinet doors (2) are close to cabinet body (1)
It being equipped on one side rotating block (7), the rotating block (7) is equipped with the mounting groove (8) that cooperates with the mounting blocks (6), and described turn
It is set on motion block (7) there are two connecting hole (9), two connecting holes (9) are located at the two sides up and down of mounting groove (8), the connection
It is equipped with bolt (11) in hole (9), the bolt (11) includes the locating rod (12) being fixed on its side wall.
8. a kind of high-tension switch cabinet according to claim 7, it is characterised in that: be fixed on the cabinet door (2) positioned at institute
The locating piece (13) right above rotating block (7) is stated, the locating piece (13) is equipped with the location hole passed through for the bolt (11)
(14)。
9. a kind of high-tension switch cabinet according to claim 8, it is characterised in that: the upper surface of the rotating block (7) is fixed
Have limited block (15), the side of the limited block (15) is fixed with hemispheric fixture block (16), the side wall of the locating rod (12)
It is equipped with the card slot (17) cooperated with the fixture block (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821622915.6U CN208890140U (en) | 2018-09-30 | 2018-09-30 | A kind of high-tension switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821622915.6U CN208890140U (en) | 2018-09-30 | 2018-09-30 | A kind of high-tension switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208890140U true CN208890140U (en) | 2019-05-21 |
Family
ID=66515113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821622915.6U Expired - Fee Related CN208890140U (en) | 2018-09-30 | 2018-09-30 | A kind of high-tension switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208890140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165125A (en) * | 2021-12-17 | 2022-03-11 | 浪潮商用机器有限公司 | Server cabinet door quick-dismantling hinge and server |
-
2018
- 2018-09-30 CN CN201821622915.6U patent/CN208890140U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165125A (en) * | 2021-12-17 | 2022-03-11 | 浪潮商用机器有限公司 | Server cabinet door quick-dismantling hinge and server |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 |