CN110535042B - Switch board convenient to open - Google Patents
Switch board convenient to open Download PDFInfo
- Publication number
- CN110535042B CN110535042B CN201910929332.0A CN201910929332A CN110535042B CN 110535042 B CN110535042 B CN 110535042B CN 201910929332 A CN201910929332 A CN 201910929332A CN 110535042 B CN110535042 B CN 110535042B
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- Prior art keywords
- opening
- power distribution
- distribution cabinet
- closing
- arc
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- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000003825 pressing Methods 0.000 claims description 31
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
- E05F2017/008—Special devices for shifting a plurality of wings operated simultaneously for swinging wings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a power distribution cabinet convenient to open, which comprises: switch board body, door body structure, drive mechanism. The power distribution cabinet body is provided with an opening end, and the door body structure is arranged at the opening end of the power distribution cabinet body; the door body structure comprises an upper door plate and a lower door plate; one end of the upper door plate is arranged at the opening end of the power distribution cabinet body in a rotating mode, and one end of the lower door plate is arranged at the opening end of the power distribution cabinet body in a rotating mode; the plate surface of the upper door plate is provided with a first arc-shaped rack, the plate surface of the lower door plate is provided with a second arc-shaped rack, and the first arc-shaped rack and the second arc-shaped rack are meshed with each other; the transmission mechanism is in driving connection with the upper door plate, the transmission mechanism drives the upper door plate to rotate, and the upper door plate further drives the lower door plate to rotate through the first arc-shaped rack and the second arc-shaped rack which are meshed with each other. According to the power distribution cabinet convenient to open, the whole door lock is integrally arranged on the cabinet body, and only workers familiar with the integral structure of the power distribution cabinet can smoothly unlock the door lock so as to open the door body.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet convenient to open.
Background
The power distribution cabinet mainly comprises a power distribution cabinet, a lighting distribution cabinet and a metering cabinet, and is the final-stage equipment of a power distribution system. Generally, a door body with an opening and closing function is installed on a cabinet body of a power distribution cabinet, and the door body is arranged to help to protect related power distribution components in the cabinet body so as to avoid the influence of various complex external environments.
Generally, can set up the lock on the door body of switch board, through set up the lock on the door body, can prevent that the door body from being opened at will. However, the conventional door lock is a key-operated type, the key needs to be stored separately, and once the key is lost, the door lock loses its original function.
Therefore, how to design and develop a switch board convenient to open sets up whole lock integral type on the cabinet body, and the staff who only is familiar with switch board overall structure can just smoothly carry out the unblock to the lock, and then opens the door body, and this is the technical problem that design and development personnel need solve.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a power distribution cabinet convenient to open.
The purpose of the invention is realized by the following technical scheme:
a switch board convenient to open, includes: the power distribution cabinet comprises a power distribution cabinet body, a door body structure and a transmission mechanism;
the power distribution cabinet body is of a hollow cavity structure, the power distribution cabinet body is provided with an opening end, and the door structure is arranged at the opening end of the power distribution cabinet body;
the door body structure comprises an upper door plate and a lower door plate; one end angle of the upper door plate is rotatably arranged at the opening end of the power distribution cabinet body, and one end angle of the lower door plate is rotatably arranged at the opening end of the power distribution cabinet body; a first arc-shaped rack is arranged on the surface of the upper door plate, a second arc-shaped rack is arranged on the surface of the lower door plate, and the first arc-shaped rack and the second arc-shaped rack are meshed with each other;
the transmission mechanism is in driving connection with the upper door plate, the transmission mechanism drives the upper door plate to rotate, and the upper door plate further drives the lower door plate to rotate through the first arc-shaped rack and the second arc-shaped rack which are meshed with each other.
In one embodiment, the transmission mechanism comprises: the automatic opening and closing device comprises a driving opening and closing tray body, a driven opening and closing tray body and an opening and closing handle;
the active opening and closing disc body is rotatably arranged at the opening end of the power distribution cabinet body, the driven opening and closing disc body is fixed on the surface of the upper door plate, the active opening and closing disc body is provided with a protruding end, a guide convex block is arranged on the protruding end, and a guide groove matched with the guide convex block is formed in the driven opening and closing disc;
the opening and closing handle is connected with the active opening and closing disc body;
the transmission mechanism further comprises a locking assembly; the locking assembly comprises: a swing type lock pin and an elastic pressing piece;
the middle part of the swing type lock pin is rotatably arranged at the opening end of the power distribution cabinet body, and an unlocking end and a closing end are respectively formed at two ends of the swing type lock pin;
the elastic pressing piece is arranged at the opening end of the power distribution cabinet body, a pressing block is arranged in the middle of the swing type lock pin, and the pressing block abuts against or is separated from the elastic pressing piece;
a ratchet wheel is arranged on the active opening and closing disc body, and the closed end is clamped with or separated from the ratchet wheel;
and the active opening and closing disc is rotated in a reciprocating manner, so that the guide convex block touches or is separated from the opening and closing end, or the guide convex block touches or is separated from the closing end, or the guide convex block enters or is separated from the guide groove.
In one embodiment, the first arc-shaped rack is 1/2 pi radians and the second arc-shaped rack is 1/2 pi radians.
In one embodiment, the upper door panel is of a square plate structure, the lower door panel is of a square plate structure, and the area of the surface of the upper door panel is the same as that of the surface of the lower door panel.
In one embodiment, the bottom of the power distribution cabinet body is provided with a movable caster.
In one embodiment, the elastic pressing and holding piece comprises a spring and a pressing and holding plate, one end of the spring is fixed at the opening end of the power distribution cabinet body, and the other end of the spring is connected with the pressing and holding plate.
In one embodiment, the closed end of the swing type lock pin is heavier than the unlocking end.
In one embodiment, the guiding protrusion is a cylindrical structure, and the guiding groove extends linearly from the center to the edge of the driven opening and closing disk.
According to the power distribution cabinet convenient to open, the whole door lock is integrally arranged on the cabinet body, and only workers familiar with the integral structure of the power distribution cabinet can smoothly unlock the door lock so as to open the door body.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a structural diagram of a power distribution cabinet convenient to open according to an embodiment of the present invention;
FIG. 2 is a state diagram (one) of the door structure and the transmission mechanism shown in FIG. 1;
FIG. 3 is an assembly view of the door body structure shown in FIG. 2;
FIG. 4 is a block diagram of the transmission shown in FIG. 2;
FIG. 5 is a state diagram (two) of the door structure and the transmission mechanism shown in FIG. 2;
FIG. 6 is a state diagram (III) of the door structure and the transmission mechanism shown in FIG. 2;
FIG. 7 is a state diagram (IV) of the door structure and transmission mechanism shown in FIG. 2;
FIG. 8 is a state diagram (V) of the door structure and transmission shown in FIG. 2;
fig. 9 is a state diagram of the transmission mechanism shown in fig. 2 during unlocking.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
As shown in fig. 1, the present invention discloses a power distribution cabinet 10 convenient to open, including: switch board body 100, door body structure 200, drive mechanism 300 (as shown in fig. 2).
The switch board body 100 is a hollow cavity structure, the switch board body 100 has an open end 101 (as shown in fig. 7 and 8), and the door structure 200 is installed at the open end 101 of the switch board body 100. In this embodiment, the bottom of the power distribution cabinet body 100 is provided with the movable caster 102 (as shown in fig. 1), and the power distribution cabinet body 100 can be conveniently moved by the movable caster 102.
Specifically, as shown in fig. 1, 2 and 3, the door body structure 200 includes an upper door panel 210 and a lower door panel 220. One end angle 211 of the upper door panel 210 is rotatably arranged at the opening end of the power distribution cabinet body 100, and one end angle 221 of the lower door panel 220 is rotatably arranged at the opening end of the power distribution cabinet body 100. The upper door plate 210 is provided with a first arc-shaped rack 212 on the plate surface, the lower door plate 220 is provided with a second arc-shaped rack 222 on the plate surface, and the first arc-shaped rack 212 is engaged with the second arc-shaped rack 222. In the embodiment, the first arc-shaped rack 212 has an arc of 1/2 pi, the second arc-shaped rack 222 has an arc of 1/2 pi, the upper door panel 210 has a square panel structure, the lower door panel 220 has a square panel structure, and the area of the upper door panel 210 is the same as that of the lower door panel 220.
The transmission mechanism 300 is in driving connection with the upper door panel 210, the transmission mechanism 300 drives the upper door panel 210 to rotate, and the upper door panel 210 further drives the lower door panel 220 to rotate through the first arc-shaped rack 212 and the second arc-shaped rack 222 which are meshed with each other.
The following describes a method for using the switch board 10 with the above structure for easy opening:
under normal conditions, the door structure 200 can shield the opening end of the power distribution cabinet body 100, so that the door structure 200 can effectively protect relevant power distribution components in the power distribution cabinet body 100, and the influence of various complex external environments is avoided;
when the door structure 200 needs to be opened, only the transmission mechanism 300 needs to be started, the transmission mechanism 300 drives the upper door panel 210 to rotate, and since the first arc-shaped rack 212 and the second arc-shaped rack 222 are meshed with each other, the rotating upper door panel 210 can drive the lower door panel 220 to rotate, the upper door panel 210 and the lower door panel 220 simultaneously rotate, so that the opening end of the power distribution cabinet body 100 is not shielded by the door structure 200 and is in an open state.
In the actual use, need lock the operation to switch board body 100 to can be further protect the relevant distribution components and parts in the switch board body 100, only familiar with switch board overall structure's staff can smoothly unlock the door lock, and then open the door body. However, different from the traditional way of using a key to unlock, the technical problem to be solved by the present invention is to integrally arrange the entire door lock on the power distribution cabinet body 100, so that the situation that the door structure 200 cannot be unlocked due to the loss of the key can be effectively avoided.
In order to solve the technical problem, the present invention particularly optimizes the structure of the transmission mechanism 300, and the structure of the transmission mechanism 300 and the connection relationship between the components are described below:
as shown in fig. 4, the transmission mechanism 300 includes: a driving opening and closing tray body 310, a driven opening and closing tray body 320 and an opening and closing handle 330 (shown in figure 1).
As shown in fig. 4, the driving opening/closing tray 310 is rotatably disposed at the opening end of the power distribution cabinet body 100, the driven opening/closing tray 320 is fixed on the panel surface of the upper door panel 210, the driving opening/closing tray 310 has a protruding end 311, a guiding protrusion 312 is disposed on the protruding end 311, and the driven opening/closing tray 320 is disposed with a guiding groove 321 engaged with the guiding protrusion 312. In this embodiment, the guiding protrusion 312 is a cylindrical structure, and the guiding groove 321 extends linearly from the center to the edge of the driven opening/closing disk 320.
The opening and closing handle 330 is connected to the active opening and closing tray 310, the opening and closing handle 330 is used to drive the active opening and closing tray 310 to rotate, for example, an operator holds the opening and closing handle 330 and twists, and the opening and closing handle 330 can drive the active opening and closing tray 310 to rotate, thereby achieving the purpose of unlocking.
The transmission mechanism 300 further includes a locking assembly. As shown in fig. 4, the locking assembly includes: a swing type lock pin 350 and an elastic pressing piece 360.
As shown in fig. 4, the middle of the swing type lock pin 350 is rotatably disposed at the opening end of the switch board body 100, and the two ends of the swing type lock pin 350 form an opening end 351 and a closing end 352, respectively. In this embodiment, the closed end 352 of the oscillating locking pin 350 is heavier than the unlocked end 351.
As shown in fig. 4, the elastic pressing member 360 is disposed at the opening end of the switch cabinet body 100, and a pressing block 353 is disposed in the middle of the swing type lock pin 350, and the pressing block 353 abuts against or disengages from the elastic pressing member 360. In this embodiment, the elastic pressing member 360 includes a spring 361 and a pressing plate 362, one end of the spring 361 is fixed to the opening end of the power distribution cabinet body 100, and the other end of the spring 361 is connected to the pressing plate 362.
As shown in FIG. 4, the active opening/closing disk 310 is provided with a ratchet 313, and the closed end 352 is engaged with or disengaged from the ratchet 313.
As shown in fig. 4, the active opening/closing plate 310 is reciprocally rotated such that the guide protrusion 312 touches or disengages from the locking end 351, or such that the guide protrusion 312 touches or disengages from the closing end 352, or such that the guide protrusion 312 enters or disengages from the guide groove 321.
The following describes the method of use of the switch cabinet with the transmission mechanism 300:
as shown in fig. 2 and 9, under normal conditions, the door structure 200 can shield the open end of the power distribution cabinet body 100, and the door structure 200 is in a locked state, at this time, because the closed end 352 of the swing type lock pin 350 is heavier than the unlocking end 351, under the action of gravity, the closed end 352 can tilt downward and is clamped on the ratchet 313 of the active opening and closing tray body 310, and the ratchet 313 of the active opening and closing tray body 310 is clamped by the closed end 352 and can only rotate in one direction, so that the active opening and closing tray body 310 cannot drive the driven opening and closing tray body 320 to rotate in the unlocking direction to realize unlocking, and only the closed end 352 is drawn out from the ratchet 313 by a method, so that the active opening and closing tray body 310 can freely rotate, and thus the unlocking preparation for the next unlocking is prepared;
as shown in fig. 5 and 9, in a first step, the active opening and closing disc 310 is rotated in a rotatable direction, when the active opening and closing disc 310 is rotated to a certain position, the guide protrusion 312 on the active opening and closing disc 310 touches the opening end 351, at this time, the swinging type lock pin 350 is rotated at an angle, so that the closed end 352 on the swinging type lock pin 350 can be pulled out from the ratchet wheel 313, and thus, the ratchet wheel 313 on the active opening and closing disc 310 is not bound by the closed end 352 any more, so that the active opening and closing disc 310 obtains a reciprocating free rotation;
here, it should be particularly noted that, in the first step, while the swing type lock pin 350 rotates, the pressing block 353 on the swing type lock pin 350 is pressed against the pressing plate 362, and the spring 361 provides a pressing force to the pressing block 353 through the pressing plate 362, so that the swing type lock pin 350 does not rotate any more, and then the closing end 352 of the swing type lock pin 350 does not easily fall onto the ratchet wheel 313;
as shown in fig. 6, 7 and 9, in the second step, the driving opening/closing tray body 310 is rotated in the opposite direction, so that the guiding protrusion 312 on the driving opening/closing tray body 310 can enter the guiding groove 321 of the driven opening/closing tray body 320, and in the process that the guiding protrusion 312 enters the guiding groove 321, the rotating driving opening/closing tray body 310 drives the driven opening/closing tray body 320 to move along with the guiding protrusion, and as the driven opening/closing tray body 320 rotates, the upper door panel 210 also rotates along with the guiding protrusion, the rotating upper door panel 210 drives the lower door panel 220 to rotate, and the upper door panel 210 and the lower door panel 220 rotate at the same time, so that the opening end of the power distribution cabinet body 100 is no longer shielded by the door body structure 200 and is in an open;
as shown in fig. 8 and 9, after the door body structure 200 is opened, if the door body structure 200 needs to be locked again, the active opening/closing tray 310 is continuously rotated in the second step of rotation direction, so that the guiding protrusion 312 on the active opening/closing tray 310 can touch the closing end 352 of the swing type locking pin 350, when the guiding protrusion 312 touches the closing end 352, the swing type locking pin 350 is rotated, so that the pressing block 353 is no longer pressed on the pressing plate 362, and since the closing end 352 is heavier than the unlocking end 351, the closing end 352 is again clamped on the ratchet 313;
the closed end 352 is clamped on the ratchet wheel 313 again, so that the driving opening and closing disc body 310 can only rotate along one direction again, in the process that the driving opening and closing disc body 310 rotates, the guide projection 312 of the driving opening and closing disc body 310 can enter the guide groove 321 of the driven opening and closing disc body 320 again, in the process that the guide projection 312 enters the guide groove 321, the rotating driving opening and closing disc body 310 can drive the driven opening and closing disc body 320 to move along with the guide projection, and then the opening end of the power distribution cabinet body 100 can be shielded by the door body structure 200 again to be in a locked state; it will be appreciated that the steps of the first step need to be repeated if re-unlocking is required.
According to the power distribution cabinet convenient to open, the whole door lock is integrally arranged on the cabinet body, and only workers familiar with the integral structure of the power distribution cabinet can smoothly unlock the door lock so as to open the door body.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. The utility model provides a switch board convenient to open which characterized in that includes: the power distribution cabinet comprises a power distribution cabinet body, a door body structure and a transmission mechanism;
the power distribution cabinet body is of a hollow cavity structure, the power distribution cabinet body is provided with an opening end, and the door structure is arranged at the opening end of the power distribution cabinet body;
the door body structure comprises an upper door plate and a lower door plate; one end angle of the upper door plate is rotatably arranged at the opening end of the power distribution cabinet body, and one end angle of the lower door plate is rotatably arranged at the opening end of the power distribution cabinet body; a first arc-shaped rack is arranged on the surface of the upper door plate, a second arc-shaped rack is arranged on the surface of the lower door plate, and the first arc-shaped rack and the second arc-shaped rack are meshed with each other;
the transmission mechanism is in driving connection with the upper door plate and drives the upper door plate to rotate, and the upper door plate further drives the lower door plate to rotate through the first arc-shaped rack and the second arc-shaped rack which are meshed with each other;
the transmission mechanism includes: the automatic opening and closing device comprises a driving opening and closing tray body, a driven opening and closing tray body and an opening and closing handle;
the active opening and closing disc body is rotatably arranged at the opening end of the power distribution cabinet body, the driven opening and closing disc body is fixed on the surface of the upper door plate, the active opening and closing disc body is provided with a protruding end, a guide convex block is arranged on the protruding end, and a guide groove matched with the guide convex block is formed in the driven opening and closing disc;
the opening and closing handle is connected with the active opening and closing disc body;
the transmission mechanism further comprises a locking assembly; the locking assembly comprises: a swing type lock pin and an elastic pressing piece;
the middle part of the swing type lock pin is rotatably arranged at the opening end of the power distribution cabinet body, and an unlocking end and a closing end are respectively formed at two ends of the swing type lock pin;
the elastic pressing piece is arranged at the opening end of the power distribution cabinet body, a pressing block is arranged in the middle of the swing type lock pin, and the pressing block abuts against or is separated from the elastic pressing piece;
a ratchet wheel is arranged on the active opening and closing disc body, and the closed end is clamped with or separated from the ratchet wheel;
and the active opening and closing disc is rotated in a reciprocating manner, so that the guide convex block touches or is separated from the opening and closing end, or the guide convex block touches or is separated from the closing end, or the guide convex block enters or is separated from the guide groove.
2. The switch cabinet convenient to open of claim 1, wherein the first arc-shaped rack is 1/2 pi radians, and the second arc-shaped rack is 1/2 pi radians.
3. The power distribution cabinet convenient to open according to claim 2, wherein the upper door panel is of a square plate structure, the lower door panel is of a square plate structure, and the area of the surface of the upper door panel is the same as that of the surface of the lower door panel.
4. The switch board convenient to open of claim 3, wherein the bottom of the switch board body is provided with a caster.
5. The switch board convenient to open of claim 1, wherein the elastic pressing piece comprises a spring and a pressing plate, one end of the spring is fixed at the opening end of the switch board body, and the other end of the spring is connected with the pressing plate.
6. The switch board convenient to open of claim 5, wherein the closed end of the swing type lock pin is heavier than the unlocking end.
7. The switch board convenient to open of claim 1, wherein the guiding protrusion is a cylindrical structure, and the guiding groove extends linearly from the center to the edge of the driven opening and closing disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929332.0A CN110535042B (en) | 2019-09-29 | 2019-09-29 | Switch board convenient to open |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929332.0A CN110535042B (en) | 2019-09-29 | 2019-09-29 | Switch board convenient to open |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110535042A CN110535042A (en) | 2019-12-03 |
| CN110535042B true CN110535042B (en) | 2020-09-18 |
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ID=68670622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910929332.0A Active CN110535042B (en) | 2019-09-29 | 2019-09-29 | Switch board convenient to open |
Country Status (1)
| Country | Link |
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| CN (1) | CN110535042B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575890A (en) * | 2021-01-19 | 2021-03-30 | 山东开杰环保科技有限公司 | Ventilative waterproof type solid bamboo wood fiber board |
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| JP3570010B2 (en) * | 1995-06-08 | 2004-09-29 | 株式会社明電舎 | Middle door locking device for switchboard |
| JP2978109B2 (en) * | 1996-04-03 | 1999-11-15 | 三和建設株式会社 | Double door that can be opened and closed simultaneously on both doors |
| CN102126500B (en) * | 2011-01-27 | 2013-04-17 | 深圳市方大自动化系统有限公司 | Half-height safety door capable of being opened rotatably |
| CN202678739U (en) * | 2012-04-13 | 2013-01-16 | 上海信赖实业有限公司 | Emergency power distribution cabinet |
| US8944536B2 (en) * | 2012-09-13 | 2015-02-03 | General Electric Company | Oven appliance with dual opening and closing doors |
| PT10946U (en) * | 2013-08-12 | 2014-05-21 | Carlos Manuel Rosa Barbosa | COMBINED DEVICE FOR OPENING / STRAIGHT CLOSING LOCKS |
| CN204402194U (en) * | 2015-01-05 | 2015-06-17 | 杭州巨步电子设备有限公司 | A kind of box door lock being applied to intelligent express delivery memory device |
| CN205502879U (en) * | 2015-12-15 | 2016-08-24 | 天津市川大通用机械有限公司 | Intelligent door |
| CN206361106U (en) * | 2016-10-31 | 2017-07-28 | 天津市先智电气设备有限公司 | Translational drive mechanism, mobile open-close type high-voltage isulation valve |
| CN106760954B (en) * | 2016-12-27 | 2018-12-07 | 春秋航空技术发展江苏有限公司 | A kind of outdoor door lock of power equipment |
| CN206987640U (en) * | 2017-06-18 | 2018-02-09 | 上海中煤物探测量有限公司 | A kind of hand-rail type building ventilation door and window |
| CN208518500U (en) * | 2018-05-18 | 2019-02-19 | 广州固爵装饰材料有限公司 | Theftproof lock and door |
| CN109025565B (en) * | 2018-09-04 | 2023-10-20 | 深圳市拓博瑞激光科技有限公司 | Ratchet wheel safety self-locking mechanism and sliding door using same |
| CN109441261B (en) * | 2018-09-10 | 2024-03-22 | 南京康尼机电股份有限公司 | Manual hinge door locking device of rail vehicle and rail vehicle door |
| CN209046028U (en) * | 2018-10-29 | 2019-06-28 | 厦门市凯禹开关有限公司 | A kind of distribution cabinet door interlocking mechanism |
| CN209398145U (en) * | 2018-11-23 | 2019-09-17 | 山西万科医用设备有限公司 | Lead door is opened and closed linkage |
| CN109506099B (en) * | 2018-12-29 | 2020-08-18 | 安徽鹰龙工业设计有限公司 | Multi-angle radar loading box moving support frame |
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2019
- 2019-09-29 CN CN201910929332.0A patent/CN110535042B/en active Active
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| CN110535042A (en) | 2019-12-03 |
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