CN112900988B - Cabinet door self-locking type quick installation mechanism - Google Patents
Cabinet door self-locking type quick installation mechanism Download PDFInfo
- Publication number
- CN112900988B CN112900988B CN202110171159.XA CN202110171159A CN112900988B CN 112900988 B CN112900988 B CN 112900988B CN 202110171159 A CN202110171159 A CN 202110171159A CN 112900988 B CN112900988 B CN 112900988B
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- China
- Prior art keywords
- lock
- rotary
- block
- lock body
- base
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Classifications
-
- 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
- E05B65/5207—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement
- E05B65/5246—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement rotating
- E05B65/5269—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement rotating about an axis parallel to the surface on which the lock is mounted
-
- 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
- E05B15/10—Bolts of locks or night latches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/146—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
Abstract
The utility model relates to a cabinet door self-locking type quick installation mechanism, which is designed for solving the technical problems of inconvenient production, assembly, disassembly and use and poor locking effect in use of the existing similar products. The first base and the second base of the mechanism are buckled to form a lock body, and a lock block, a lock cylinder and a torsion spring are arranged in the lock body; the key point is that the lock block comprises a first rotary lock block and a second rotary lock block, the first rotary lock block and the second rotary lock block are symmetrically arranged on two sides of a lock cylinder in the center of the lock body, and the outer diameter of the lock body is symmetrically provided with elastic sheets; the lock body is fixed in the mounting hole of the first door plate through the elastic sheet, and is fixed in the lock hole of the second door plate through the first rotary lock block and the second rotary lock block which rotate, and the torsion spring is reset; the inner sides of the symmetrical other ends of the hooks are respectively provided with symmetrical raised limiting heads, the limiting heads extend out of the arc limiting holes respectively to limit rotation, and the limiting heads, the first rotary locking piece and the second rotary locking piece simultaneously rotate to the lock hole of the second door plate to lock or separate from the second door plate.
Description
Technical Field
The utility model relates to an electric cabinet door lock, in particular to a self-locking type quick installation mechanism for a cabinet door.
Background
The electric cabinet door lock refers to a door lock for an electric cabinet door, and the electric cabinet is generally processed by steel materials to protect normal operation of components. At present, the cabinet door quick installation mechanism mainly has the following three structures: 1. the clamping type mounting structure is internally provided with a telescopic spring clamping mechanism for transversely clamping the cabinet door; 2. the detachable buckle structure is used for fixing the connection mode between the cabinet door and the main cabinet by using screws; 3. another locking quick installation is by manual screwing compression. The card-type mounting structure is disclosed in China patent literature, for example, application number 201821838476.2, grant bulletin date 2019.11.26, and the name of the utility model is 'a safety socket module with a jack protection door'; the use modes of the two types have the problems of gaps between the cabinet door and the main cabinet or between the cabinet door and loosening abnormal sound of the cabinet door, and the other type of manual screwing type has the advantages of slower installation speed, inconvenient operation and not quick installation.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a cabinet door self-locking type quick installation mechanism in the field, so that the technical problems of inconvenient production, assembly, disassembly and use and poor locking effect in the use of the existing similar products are solved. The aim is achieved by the following technical scheme.
A self-locking quick mounting mechanism for a cabinet door is characterized in that a first base and a second base of the mechanism are buckled to form a lock body, and a lock block, a lock cylinder and a torsion spring are arranged in the lock body; the key point of the structural design is that the lock block comprises a first rotary lock block and a second rotary lock block, the first rotary lock block and the second rotary lock block are symmetrically arranged on two sides of a lock cylinder in the center of the lock body, swing holes of the first rotary lock block and the second rotary lock block are respectively inserted into rotating shafts in the lock body, one ends of the first rotary lock block and the second rotary lock block in the lock body are respectively propped against the outer diameter of the lock cylinder in the lock body through torsion springs on the inner sides of the other ends, the outer sides of the other ends of the first rotary lock block and the second rotary lock block respectively extend out of the lock body, and elastic sheets or buckling points are symmetrically arranged on the outer diameter of the lock body; the lock body is fixed in the mounting hole of first door plant through shell fragment or knot while, and the lock body is fixed in the lockhole of second door plant through first rotatory locking piece and second rotatory locking piece, and the inboard one side of first rotatory locking piece and second rotatory locking piece drives this end outwards and the other end inwards rotates through the rotation of lock core. The structure that the lock core drives the first rotary locking piece and the second rotary locking piece to rotate outwards adopts the following up-down sliding mode, or the mode that one end of a rotating shaft of the lock core is rotated and offset by a lug, so that the mechanism is arranged on the first door plate through the elastic sheet, locks the second door plate through the first rotary locking piece and the second rotary locking piece, and drives the first rotary locking piece and the second rotary locking piece to rotate to open the second door plate through the lock core.
The lock core department one end of first rotatory locking piece and second rotatory locking piece is equipped with hook portion, and the other end of first rotatory locking piece and second rotatory locking piece outwards slant sets up, and the tip of this end is the arc. Above-mentioned structure is convenient for first rotatory locking piece and the rotatory locking piece of second buckle into the lockhole of second door plant through the interference to and curved tip locks in the lockhole of second door plant, and hook makes the contact point of first rotatory locking piece and rotatory locking piece of second and lock core be difficult for producing the influence to the lock core.
The inner sides of the symmetrical other ends of the hooks of the first rotary locking block and the second rotary locking block are respectively provided with a symmetrical protruding limiting head, the limiting heads are respectively limited in the lock body to rotate, or the limiting heads respectively extend out of arc limiting holes of the first base and the second base to rotate in a limiting mode, when the limiting heads extend out, the limiting heads and the first rotary locking block and the second rotary locking block simultaneously rotate to the lock hole of the second door plate to lock or separate from the second door plate, and the limiting heads are respectively integrated into one piece with the first rotary locking block and the second rotary locking block. The first rotary locking piece and the second rotary locking piece adopt die casting molding structural embodiments, the limiting heads which extend out in a pairwise symmetrical manner are simultaneously rotated with the first rotary locking piece and the second rotary locking piece for locking the second door plate, namely four locking points of the limiting heads are added on the basis of two locking points of the first rotary locking piece and the second rotary locking piece, and a split fixing structure can be adopted between the limiting heads and the corresponding rotary locking pieces.
The elastic pieces are symmetrically arranged on the outer diameters of the first base and the second base at the other two sides of the first rotary locking piece and the second rotary locking piece, the elastic pieces are respectively bent in an L shape, and the bent ends of the elastic pieces are aligned with the elastic piece holes of the first base and the second base. The spring plate is not easy to interfere with the first rotary locking piece and the second rotary locking piece, and is convenient to further assemble and disassemble between the spring plate and the first door plate.
The lock core comprises an unlocking nut and an unlocking sliding block, wherein a lock core hole at one end of the unlocking nut is exposed out of a lock body, the unlocking nut is fixed in the lock body, the other end of the unlocking nut is provided with a nut end inclined groove cambered surface, one end of the unlocking sliding block is provided with a sliding block end inclined groove cambered surface, the sliding block end inclined groove cambered surface of the unlocking sliding block is attached to the nut end inclined groove cambered surface of the unlocking nut, the unlocking sliding block is fixed in the lock body to slide up and down through square heads arranged on two sides in a protruding mode, and simultaneously, the first rotary locking block and the second rotary locking block extend out of the lock body in a propping mode through torsion springs in a resetting mode or slide in a propping mode. The lock cylinder with a specific structure is characterized in that the unlocking nut and the unlocking slide block push the unlocking slide block to slide up and down by pushing against the cambered surface of the corresponding end inclined groove, the first rotary locking piece and the second rotary locking piece are outwards rotated.
The unlocking slide block is respectively abutted against the end heads of the hooks at one end of the first rotary locking block and the second rotary locking block at two sides through inclined planes at one side of the barbs at two sides of the other end. The structure enables the unlocking slide block to be in propping linkage with the first rotary locking block and the second rotary locking block, so that the effect is better.
The torsional spring is fixedly arranged on the lock body inner locating pin at the middle sliding hole of the unlocking sliding block. The structure improves the stability of the unlocking slide block when the unlocking slide block slides up and down, and is convenient for the torsion spring to be fixed in the lock body.
The rotating shaft is connected with the first base or the second base on one side into a whole, and the first base and the second base are connected through integral rivets to form the lock body. The structure is convenient for the first base and the second base to be integrally produced as die castings, and the first base and the second base are fixed to form the lock body.
The lock body is T-shaped, the insertion ends at two sides of the first rotary lock block and the second rotary lock block of the lock body are symmetrically oblique sides, and the protruding ends of the first rotary lock block and the second rotary lock block are protruding below the oblique sides. The structure is convenient for the lock body to be inserted into the lock hole of the second door plate,
the lock hole of the second door plate protrudes to one side of the first door plate. The structure is convenient for the second door plate and the first door plate to be tightly attached when being locked.
The utility model has reasonable structural design, small volume, convenient production, assembly, use and installation, rapid locking, rapid assembly and disassembly and other functions; the door lock is suitable for the door installation of computer cabinet doors, street lamp cabinet doors, server cabinet doors and the like, the rapid installation of electric cabinet doors and the structural improvement of similar products.
Drawings
Fig. 1 is a schematic diagram of an explosive structure of the present utility model.
Fig. 2 is a schematic view of the usage state structure of fig. 1.
Fig. 3 is a schematic view of the bottom structure of fig. 2.
Fig. 4 is a schematic cross-sectional view of fig. 3.
Fig. 5 is a schematic cross-sectional view of the spacing head of fig. 4.
Fig. 6 is a schematic diagram of a cross-sectional structure of fig. 3.
Fig. 7 is a schematic view of the structure of the present utility model mounted to a first door panel.
Fig. 8 is a schematic cross-sectional view of the first and second rotary lock blocks of fig. 7 in an unlocked state.
Fig. 9 is a schematic diagram of the main structure of the present utility model.
Fig. 10 is a schematic view of the internal structure of fig. 9.
Figure number and name: 1. torsion spring, 2, shell fragment, 3, first base, 4, first rotatory locking piece, 5, unlocking nut, 6, second base, 7, unlocking slider, 8, second rotatory locking piece, 9, first door plant, 10, second door plant, 11, pivot, 12, limit head.
Detailed Description
The construction and use of the present utility model will now be further described with reference to the accompanying drawings. As shown in fig. 1-10, a first base 3 and a second base 6 of the mechanism are buckled to form a lock body, and a lock block, a lock cylinder and a torsion spring 1 are arranged in the lock body; the locking piece includes first rotatory locking piece 4 and second rotatory locking piece 8, first rotatory locking piece and second rotatory locking piece symmetry set up in the lock core both sides at lock body center, the pivot 11 in the lock body is inserted respectively to the swing hole of first rotatory locking piece and second rotatory locking piece, the one end of first rotatory locking piece and second rotatory locking piece in the lock body offsets with the internal lock core external diameter of lock through the torsional spring of the other end inboard respectively, the lock body is stretched out respectively in the other end outside of first rotatory locking piece and second rotatory locking piece, the external diameter of lock body still symmetry is equipped with shell fragment 2. The lock body is fixed in the mounting hole of first door plant 9 through the shell fragment while, and the lock body is fixed in the lockhole of second door plant 10 through first rotatory locking piece and second rotatory locking piece, and the inboard one side of first rotatory locking piece and second rotatory locking piece drives this end outwards and the other end inwards rotates through the rotation of lock core. The rotating shaft is connected with a second base on one side into a whole, and the first base and the second base are connected with each other through rivets which are integrated with the second base into a whole to form the lock body. The lock body is T font, and the first rotatory locking piece of lock body and the rotatory locking piece both sides insert the end symmetry and be the hypotenuse, and the protruding below that is located the hypotenuse of the protruding end of first rotatory locking piece and the rotatory locking piece of second, the lockhole of second door plant is protruding to first door plant one side.
Simultaneously, the lock core department one end of first rotatory locking piece and second rotatory locking piece is equipped with hook portion, and the other end of first rotatory locking piece and second rotatory locking piece outwards slant sets up, and the tip of this end is the arc. The inner sides of the symmetrical other ends of the hooks of the first rotary locking piece and the second rotary locking piece are respectively provided with a symmetrical protruding limiting head 12, the limiting heads are respectively limited in the lock body to rotate, or the limiting heads respectively extend out of arc limiting holes of the first base and the second base to rotate in a limiting mode, when the limiting heads extend out, the limiting heads and the first rotary locking piece and the second rotary locking piece simultaneously rotate to the lock hole of the second door plate to lock or separate from the second door plate, and the limiting heads are respectively integrated into one piece with the first rotary locking piece and the second rotary locking piece. The elastic piece is symmetrically arranged on the outer diameters of the first base and the second base at the other two sides of the first rotary locking piece and the second rotary locking piece, the elastic piece is bent in an L shape respectively, and the bent end of the elastic piece is aligned with the elastic piece holes of the first base and the second base. The lock core comprises an unlocking nut 5 and an unlocking sliding block 7, wherein a lock core hole at one end of the unlocking nut is exposed out of the lock body, the unlocking nut is fixed in the lock body, the other end of the unlocking nut is provided with a nut end inclined groove cambered surface, one end of the unlocking sliding block is provided with a sliding block end inclined groove cambered surface, the sliding block end inclined groove cambered surface of the unlocking sliding block is attached to the nut end inclined groove cambered surface of the unlocking nut, the unlocking sliding block is fixed in the lock body to slide up and down through square heads arranged on two sides in a protruding mode, and simultaneously, the extending ends of the first rotary locking block and the second rotary locking block are reset through torsional springs to extend out of the lock body in a propping mode or slide to be retracted into the lock. The unlocking slide block is respectively propped against the end heads of the hooks at one end of the first rotary locking block and the second rotary locking block at two sides through inclined planes at one side of the barbs at two sides of the other end, and the torsion spring is fixedly arranged on the lock body locating pin at the middle sliding hole of the unlocking slide block.
When the mechanism is used, the mechanism is fixedly arranged in the mounting hole of the first door plate through the elastic sheet, and can be buckled into the locking hole of the second door plate through impact. The key or the spanner corresponding to the lock core hole in the unlocking nut is inserted, the unlocking slider is driven to slide towards the hook part in the lock body through the unlocking nut, the arc-shaped one ends of the first rotary locking block and the second rotary locking block are retracted into the lock body, the first door plate is pulled, and the first door plate can be separated from the second door plate to be opened.
In summary, the mechanism is a simple lockset suitable for installing a cabinet door, a street lamp cabinet, a server cabinet door and an electric appliance cabinet door of a computer, and has the functions of quick installation and self locking. The mechanism is mainly characterized in that: 1. unlocking and locking are realized between the rotary locking block and the torsion spring through a linkage mechanism, 2, the unlocking nut rotates through an oblique groove cambered surface (the oblique groove cambered surface at the slide block end of the unlocking slide block interacts with the oblique groove cambered surface at the nut end of the unlocking nut) to drive the unlocking slide block to slide up and down so as to realize unlocking, and 3, the rotary locking block and the cabinet door are automatically locked through torsional force after collision. According to the structural characteristics, the elastic sheet can be omitted, and the first base and the second base fix the first door plate through the raised buckle heads.
Claims (9)
1. A self-locking quick mounting mechanism for a cabinet door is characterized in that a first base (3) and a second base (6) of the mechanism are buckled to form a lock body, and a locking block, a lock core and a torsion spring (1) are arranged in the lock body; the lock is characterized in that the lock block comprises a first rotary lock block (4) and a second rotary lock block (8), the first rotary lock block and the second rotary lock block are symmetrically arranged on two sides of a lock cylinder in the center of the lock body, swing holes of the first rotary lock block and the second rotary lock block are respectively inserted into rotating shafts (11) in the lock body, one ends of the first rotary lock block and the second rotary lock block in the lock body are respectively propped against the outer diameter of the lock cylinder in the lock body through torsion springs (1) on the inner sides of the other ends, the outer sides of the other ends of the first rotary lock block and the second rotary lock block respectively extend out of the lock body, and elastic pieces (2) or buckling points are symmetrically arranged on the outer diameter of the lock body; the lock body is fixed in the mounting hole of the first door plate (9) through the elastic sheet or the buckling point, and is fixed in the lock hole of the second door plate (10) through the first rotary lock block and the second rotary lock block, and one side of the inner sides of the first rotary lock block and the second rotary lock block drives the end to rotate outwards and the other end to rotate inwards through the rotation of the lock cylinder; the lock cylinder comprises an unlocking nut (5) and an unlocking slide block (7), wherein a lock cylinder hole at one end of the unlocking nut is exposed out of the lock body, the unlocking nut is fixed in the lock body, the other end of the unlocking nut is provided with a nut end inclined groove cambered surface, one end of the unlocking slide block is provided with a slide block end inclined groove cambered surface, the slide block end inclined groove cambered surface of the unlocking slide block is attached to the nut end inclined groove cambered surface of the unlocking nut, the unlocking slide block is fixed in the lock body to slide up and down through square heads arranged on two sides in a protruding mode, and simultaneously, one extending ends of the first rotary lock block (4) and the second rotary lock block (8) are reset by the torsion spring (1) to extend out of the lock body in a propping mode or are retracted into the lock in a sliding mode.
2. The cabinet door self-locking quick installation mechanism according to claim 1, wherein one end of a lock core of the first rotary lock block (4) and the second rotary lock block (8) is provided with a hook part, the other ends of the first rotary lock block and the second rotary lock block are outwards and obliquely arranged, and the end parts of the ends are arc-shaped.
3. The self-locking quick mounting mechanism for the cabinet door according to claim 2, wherein symmetrical protruding limiting heads (12) are respectively arranged on the inner sides of the symmetrical other ends of the hooks of the first rotary locking piece (4) and the second rotary locking piece (8), the limiting heads are respectively limited in the lock body to rotate, or the limiting heads respectively extend out of arc limiting holes of the first base (3) and the second base (6) to rotate in a limiting manner, when the limiting heads extend out, the limiting heads and the first rotary locking piece and the second rotary locking piece simultaneously rotate to the lock hole of the second door plate (10) to lock or separate from the second door plate, and the limiting heads are respectively integrated with the first rotary locking piece and the second rotary locking piece.
4. The cabinet door self-locking quick installation mechanism according to claim 1, wherein the elastic sheet (2) is symmetrically arranged on the outer diameters of the first base (3) and the second base (6) on the other two sides of the first rotary locking piece (4) and the second rotary locking piece (8), the elastic sheet is respectively bent in an L shape, and the bent ends of the elastic sheet are aligned with the elastic sheet holes of the first base and the second base.
5. The cabinet door self-locking type quick installation mechanism according to claim 1, wherein the unlocking slide block (7) is respectively abutted against the ends of the hooks at one end of the first rotary locking block (4) and the second rotary locking block (8) at two sides through inclined planes at one side of barbs at two sides of the other end.
6. The cabinet door self-locking quick installation mechanism according to claim 1, wherein the torsion spring (1) is fixedly arranged on the lock body locating pin at the middle sliding hole of the unlocking sliding block (7).
7. The cabinet door self-locking quick installation mechanism according to claim 1, wherein the rotating shaft (11) is connected with the first base (3) or the second base (6) on one side into a whole, and the first base and the second base are connected through integral rivets to form a lock body.
8. The cabinet door self-locking quick installation mechanism according to claim 1, wherein the lock body is T-shaped, insertion ends at two sides of a first rotary lock block (4) and a second rotary lock block (8) of the lock body are symmetrical to be oblique sides, and protruding ends of the first rotary lock block and the second rotary lock block are protruding below the oblique sides.
9. The self-locking quick mounting mechanism for a cabinet door according to claim 1, wherein the locking hole of the second door plate (10) protrudes towards one side of the first door plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110171159.XA CN112900988B (en) | 2021-02-08 | 2021-02-08 | Cabinet door self-locking type quick installation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110171159.XA CN112900988B (en) | 2021-02-08 | 2021-02-08 | Cabinet door self-locking type quick installation mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112900988A CN112900988A (en) | 2021-06-04 |
| CN112900988B true CN112900988B (en) | 2023-08-15 |
Family
ID=76123994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110171159.XA Active CN112900988B (en) | 2021-02-08 | 2021-02-08 | Cabinet door self-locking type quick installation mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN112900988B (en) |
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| AU8552301A (en) * | 2001-10-30 | 2003-05-01 | Taiwan Fu Hsing Industrial Co., Ltd. | Lock device that can be locked from two sides thereof |
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| CN208056865U (en) * | 2018-04-10 | 2018-11-06 | 王朝 | A kind of pin hole mechanical lock mechanism component for display screen |
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| CN111980508A (en) * | 2019-05-22 | 2020-11-24 | B/E航空公司 | Latch and catch assembly |
| CN215443571U (en) * | 2021-02-08 | 2022-01-07 | 宁波生久科技有限公司 | Self-locking type quick mounting mechanism for cabinet door |
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| CN101705758B (en) * | 2009-12-01 | 2012-10-10 | 宁波永发集团有限公司 | Free-swing handle structure for safe |
| CN109083898B (en) * | 2018-10-26 | 2024-02-13 | 深圳市洲明科技股份有限公司 | Box body splicing lock |
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| AU8552301A (en) * | 2001-10-30 | 2003-05-01 | Taiwan Fu Hsing Industrial Co., Ltd. | Lock device that can be locked from two sides thereof |
| CN101672133A (en) * | 2009-09-16 | 2010-03-17 | 常熟中诚工具箱柜有限公司 | Lockset for tool case |
| CN101956483A (en) * | 2010-09-29 | 2011-01-26 | 创斯达（南通）机电有限公司 | Cabinet door locking device with emergency opening function |
| CN102966273A (en) * | 2012-12-24 | 2013-03-13 | 杨伟津 | Inner clamp type handle lock |
| CN205805218U (en) * | 2016-07-15 | 2016-12-14 | 安徽明远电力设备制造有限公司 | A kind of low voltage switchgear door lock structure |
| CN106337602A (en) * | 2016-10-12 | 2017-01-18 | 宁波生久柜锁有限公司 | Anti-theft door lock |
| CN106869625A (en) * | 2017-03-13 | 2017-06-20 | 宁波生久柜锁有限公司 | Automatically reset lock |
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| CN111980508A (en) * | 2019-05-22 | 2020-11-24 | B/E航空公司 | Latch and catch assembly |
| CN210508753U (en) * | 2019-06-03 | 2020-05-12 | 宁波生久柜锁有限公司 | Pull rod hasp lock |
| CN215443571U (en) * | 2021-02-08 | 2022-01-07 | 宁波生久科技有限公司 | Self-locking type quick mounting mechanism for cabinet door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112900988A (en) | 2021-06-04 |
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Address after: 315423 No.1, Shengjiu Ring Road, industrial park, Dayin Town, Yuyao City, Ningbo City, Zhejiang Province Applicant after: Ningbo Shengjiu Technology Co.,Ltd. Address before: 315423 No.1, Shengjiu Road, industrial park, Dayin Town, Yuyao City, Ningbo City, Zhejiang Province Applicant before: Ningbo Shengjiu Cabinet Lock Co.,Ltd. |
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