CN111585181A - Indicator for low-voltage switch cabinet - Google Patents
Indicator for low-voltage switch cabinet Download PDFInfo
- Publication number
- CN111585181A CN111585181A CN202010487353.4A CN202010487353A CN111585181A CN 111585181 A CN111585181 A CN 111585181A CN 202010487353 A CN202010487353 A CN 202010487353A CN 111585181 A CN111585181 A CN 111585181A
- Authority
- CN
- China
- Prior art keywords
- box
- indicator
- low
- gear structure
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- H02B1/306—Accessories, e.g. windows
-
- 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
- H02B1/32—Mounting of devices therein
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses an indicator for a low-voltage switch cabinet, which is characterized by comprising a box which is tightly attached to one side of a position of a module in the low-voltage switch cabinet and fixed, wherein a rotatable gear structure and a counter-force torsion spring are arranged in the box, the gear structure comprises a plurality of teeth and an indicator, a long hole is formed in one side wall of the box, one side with the teeth on the gear structure penetrates through the long hole and is arranged on the outer side of the box, one end of the counter-force torsion spring is fixed on the box, the other end of the counter-force torsion spring is fixed on the gear structure, a window for displaying information on the indicator is arranged on the box, and a second limit stop block for limiting the rotation angle of the gear structure is. The invention can lead a user to obtain obvious indication of loading or taking out when in assembly, is not easy to have accidents of poor contact and the like in the normal use process, and can also reduce the damage to products.
Description
Technical Field
The invention relates to an indicator for a low-voltage switch cabinet, and belongs to the technical field of low-voltage switch equipment.
Background
The arc extinguishing module and the low-voltage switch electrical apparatus are important components in the low-voltage switch cabinet, but at present, when the arc extinguishing module is assembled in the low-voltage switch electrical apparatus and the low-voltage switch electrical apparatus is assembled in the switch cabinet, no indicating device is provided, and a user cannot obtain an obvious indication of assembling or taking out the low-voltage switch electrical apparatus during assembling.
Without this kind of indicating device, the user thinks that it is good to assemble, and it is really probably not good, under this kind of circumstances, leads to the low-voltage switchgear to work normally easily, may contact not well, intermittent type is also can directly not be switched on, damages inside components and parts more easily. The case of removal is the same as the case of installation, and when removal occurs, there is no indication, so that the user is not aware of whether or not disconnection has occurred and removal has occurred.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to enable a user to know whether an arc extinguishing module and a low-voltage switch electrical appliance (hereinafter referred to as modules) in a low-voltage switch cabinet are installed or taken out.
In order to solve the technical problem, the technical scheme of the invention is to provide an indicator for a low-voltage switch cabinet, which is characterized by comprising a box which is tightly attached to one side of a position of a module in the low-voltage switch cabinet and is fixed, wherein a rotatable gear structure and a counter-force torsion spring are arranged in the box, the gear structure comprises a plurality of teeth and an indicator, a long hole is formed in one side wall of the box, one side with teeth on the gear structure penetrates through the long hole to be arranged on the outer side of the box, one end of the counter-force torsion spring is fixed on the box, the other end of the counter-force torsion spring is fixed on the gear structure, a window for displaying information on the indicator is arranged on the box, and a second limit stop block for limiting the rotation angle of;
when the module is placed in the low-voltage switch cabinet, the teeth of the gear structure are clamped into the rack holes one by one in a one-to-one correspondence mode along with the downward movement of the plurality of rack holes on the module, so that the gear structure rotates in the forward direction to drive the indicator to rotate, and the 'loading' information on the indicator is completely displayed in the window of the box after the module is placed in place;
when taking out the module in low-voltage switchgear, the tooth of gear structure comes out one by one from the rack hole that corresponds one by one along with a plurality of rack hole upward movements and the resilience effect of reaction torsional spring in the module for gear structure antiport drives the sign and rotates, and until the module takes out the back completely, the information of "taking out" on the sign shows in the window of box completely.
Preferably, the module is a low-voltage switch apparatus in a low-voltage switch cabinet or an arc extinguishing module in the low-voltage switch apparatus.
Preferably, a rotatable rotating shaft is arranged in the box, and one end of the rotating shaft is fixedly connected with the gear structure.
Preferably, a supporting frame is arranged in the box, and an arc-shaped groove is formed in the top of the supporting frame, so that the rotating shaft can rotate in the arc-shaped groove.
Preferably, the middle position of the reaction torsion spring is sleeved on the rotating shaft.
Preferably, the gear structure further comprises a gear plate, a plurality of teeth and one indicator are fixed on the gear plate, and the gear plate is further provided with a convex block; the second limit stop is positioned below the convex block, and when the gear structure rotates, the lower end of the convex block is abutted against the upper end of the second limit stop, and the 'taking-out' information on the indication board is completely displayed in the window of the box.
Preferably, the indication board is provided with information words of 'take-out' and 'put-in', and the 'take-out' information is arranged between the 'put-in' information and the teeth.
Preferably, one end of the counter-force torsion spring is pressed against one end of the indication board, the other end of the counter-force torsion spring is fixed on the first limit stop, and the first limit stop is fixed in the box.
Preferably, the box comprises a box body and a box cover, the box body is of a barrel-shaped structure, and the box cover is fixed on the opening end of the box body; the slot hole is arranged on one side surface of the box body, and the window is arranged on the box cover.
Preferably, the two ends of the bottom of the box are provided with lug plates for fixing on the low-voltage switch cabinet.
The invention provides an indicator for a low-voltage switch cabinet, which can obtain obvious assembly indication when an arc extinguishing module is assembled in the low-voltage switch electric appliance and the low-voltage switch electric appliance is assembled in the switch cabinet, and can obtain obvious taking-out indication when the arc extinguishing module and the low-voltage switch electric appliance are taken out.
The invention can lead a user to obtain obvious indication of loading or taking out when in assembly, is not easy to have accidents of poor contact and the like in the normal use process, and can also reduce the damage to products. The invention adopts pure mechanical design and has high reliability.
Drawings
Fig. 1 is an external view of an indicator for a low-voltage switchgear according to the present invention;
FIG. 2 is a schematic view of a connection structure of a rotating shaft and a gear structure and a reaction torsion spring;
FIG. 3 is a schematic structural view of an indicator provided in the present invention after the module is mounted;
FIG. 4 is a schematic view of the internal structure of FIG. 3;
FIG. 5 is a schematic view of the module of FIG. 4 in connection with an indicator provided in accordance with the present invention;
FIG. 6 is a schematic view of the connection of the gear structure to the module;
FIG. 7 is a schematic view of the internal structure of the indicator according to the present invention (after the module is installed);
FIG. 8 is a schematic view of the outer window of the indicator according to the present invention (after the module is installed);
FIG. 9 is a schematic structural view of an indicator provided in the present invention after the module is removed;
FIG. 10 is a schematic view of the internal structure of FIG. 9;
FIG. 11 is a schematic view of the internal structure of the indicator according to the present invention (after the module is removed);
fig. 12 is a schematic view of the indicator outside window provided by the present invention (after the module is removed).
Detailed Description
In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
The invention relates to an indicator for a low-voltage switch cabinet, which is used for indicating whether a module is put in place or taken out, and comprises a box 1, a gear structure 2 and a counter-force torsion spring 3, wherein the box 1 is fixed at one side of a position tightly attached to a module 4 in the low-voltage switch cabinet, the gear structure 2 capable of rotating and the counter-force torsion spring 3 are arranged in the box 1, the gear structure 2 comprises a plurality of teeth 21 and an indication board 24, a long hole is arranged on one side wall of the box 1, one side of each tooth 21 on the gear structure 2 penetrates through the long hole and is arranged on the outer side of the box 1, a rotating shaft 5 capable of rotating is arranged in the box 1, a round notch hole 25 is arranged on the gear plate 22, one end of the rotating shaft 5 is matched with the round notch hole 25, and the gear plate 22 is fixed with one. The bottom in the box body 11 outside is equipped with recess 16, and recess 16 forms support frame 17 in the inside of box body 11, and the top of support frame 17 is equipped with the arc wall for rotation axis 5 can be at the arc wall internal rotation. The middle position of the reaction torsion spring 3 is sleeved on the rotating shaft 5, one end of the reaction torsion spring 3 is pressed against one end of the indicating plate 24, the other end of the reaction torsion spring 3 is fixed on the first limit stop 15, and the first limit stop 15 is fixed in the box 1. The box 1 is provided with a window 13 for displaying information on the indicator 24, the indicator 24 is provided with information words of 'take-out' and 'put-in', and the 'take-out' information is arranged between the 'put-in' information and the teeth 21; a second limit stop 18 for limiting the rotation angle of the gear structure 2 is also arranged in the box 1;
when the module 4 is placed in the low-voltage switch cabinet, the teeth 21 of the gear structure 2 move downwards along with the plurality of rack holes 41 on the module 4 and are correspondingly clamped into the rack holes 41 one by one, so that the gear structure 2 rotates forwards to drive the indicator 24 to rotate, and the 'loading' information on the indicator 24 is completely displayed in the window 13 of the box 1 after the module 4 is placed in place;
when the module 4 is taken out of the low-voltage switch cabinet, the teeth 21 of the gear structure 2 move upwards along with the plurality of rack holes 41 on the module 4 and come out of the corresponding rack holes 41 one by one under the rebound action of the counter-force torsion springs 3, so that the gear structure 2 rotates reversely to drive the indicator 24 to rotate, and the information of taking out on the indicator 24 is completely displayed in the window 13 of the box 1 until the module 4 is completely taken out.
The gear structure 2 further comprises a gear plate 22, a plurality of teeth 21 and an indication board 24 are fixed on the gear plate 22, and a convex block 23 is further arranged on the gear plate 22; the second limit stop 18 is located below the projection 23, and when the gear mechanism 2 is rotated so that the lower end of the projection 23 abuts against the upper end of the second limit stop 18, the "take-out" message on the indication plate 24 is completely displayed in the window 13 of the box 1.
The box 1 comprises a box body 11 and a box cover 12, wherein the box body 11 is of a barrel-shaped structure, and the box cover 12 is fixed on the opening end of the box body 11; the long hole is arranged on one side surface of the box body 11, and the window 13 is arranged on the box cover 12. The two ends of the bottom of the box 1 are provided with ear plates 14 for fixing on a low-voltage switch cabinet.
In the present embodiment, the rotating shaft 5 is a central shaft of the gear structure 2. The window 13 is a square window. The module 4 is a low-voltage switch electric appliance in the low-voltage switch cabinet or an arc extinguishing module in the low-voltage switch electric appliance.
The indicator I is respectively fixed on the mounting base or the mounting plate and is positioned at a position close to the arc extinguishing module and the low-voltage switch electrical appliance, and the outer side walls of the arc extinguishing module and the low-voltage switch electrical appliance are provided with rack holes 41 which are used for being matched and connected with the teeth 21 in the indicator I. In this embodiment, the rack hole 41 is a square rack hole.
The indicator I provided by the invention is used as follows:
when the module 4 is assembled, the module 4 is placed downwards, so that the square rack hole on the module 4 drives the gear structure 2 to rotate around the central shaft of the gear structure 2 against the torque of the counterforce torsion spring 3, and when the module 4 is installed in place, the gear structure 2 also rotates to the place, and the indication of 'loading' can be obviously observed from a square window left on the box cover 12 of the indicator I, as shown in fig. 3-8; if the module 4 is not properly installed, the "load" indication is not clearly visible from the square window.
When the module 4 is taken out, the module 4 is in the process of being taken out upwards, so that the square rack hole on the module 4 drives the gear structure 2 to rotate around the central shaft of the gear structure 2 along the torque of the counter-force torsion spring 3, when the module 4 is taken out completely, the counter-force torsion spring 3 continues to rotate the gear structure 2, when the gear structure 2 drives the indicator 24 to move in place, the 'taking-out' indication can be obviously observed from the square window reserved on the box cover 12 of the indicator I, as shown in fig. 9-12, and when the module 4 is taken out completely, the counter-force torsion spring 3 can resist the gravity action of the gear structure 2 and maintain at the 'taking-out' position. A limiting device (namely, a sign 24) is arranged on a gear plate 22 of the gear structure 2, and one foot of the counter torsion spring 3 is arranged in the limiting device. A first limit stop 15 is arranged in the box body 11 of the indicator I, and the other foot of the counter-force torsion spring 3 is arranged in the first limit stop 15. A second limit stop 18 is further arranged in the box body 11 of the indicator I, and the gear structure 2 can be prevented from moving beyond the design expectation under the driving of the counter-force torsion spring 3 and inertia.
Claims (10)
1. The indicator for the low-voltage switch cabinet is characterized by comprising a box (1) which is tightly attached to one side of the position of a module (4) placed in the low-voltage switch cabinet and fixed, wherein a rotatable gear structure (2) and a counter-force torsion spring (3) are arranged in the box (1), the gear structure (2) comprises a plurality of teeth (21) and a sign (24), a long hole is formed in one side wall of the box (1), one side, provided with the teeth (21), of the gear structure (2) penetrates through the long hole to be arranged on the outer side of the box (1), one end of the counter-force torsion spring (3) is fixed on the box (1), the other end of the counter-force torsion spring (3) is fixed on the gear structure (2), a window (13) used for displaying information on the sign (24) is formed in the box (1), and a second limit stop (18) used for limiting the rotation angle of the gear structure (2) is;
when the module (4) is placed in the low-voltage switch cabinet, the teeth (21) of the gear structure (2) move downwards along with the plurality of rack holes (41) on the module (4) and are clamped into the rack holes (41) one by one in a one-to-one correspondence mode, so that the gear structure (2) rotates in the forward direction to drive the indicator (24) to rotate, and after the module (4) is placed in place, the 'loading' information on the indicator (24) is completely displayed in the window (13) of the box (1);
when the module (4) is taken out of the low-voltage switch cabinet, the teeth (21) of the gear structure (2) move upwards along with the plurality of rack holes (41) in the module (4) and the resilience effect of the counterforce torsion spring (3) and come out of the corresponding rack holes (41) one by one, so that the gear structure (2) rotates reversely to drive the indicator (24) to rotate, and the taking-out information on the indicator (24) is completely displayed in the window (13) of the box (1) until the module (4) is completely taken out.
2. An indicator for a low-voltage switchgear cabinet according to claim 1, characterized in that the module (4) is a low-voltage switchgear cabinet or an arc extinguishing module in a low-voltage switchgear cabinet.
3. An indicator for low-voltage switchgear cabinets according to claim 1, characterized in that the box (1) is provided with a rotatable shaft (5), one end of the shaft (5) being fixedly connected to the gear structure (2).
4. An indicator for low-voltage switchgear cabinets according to claim 3, characterized in that the housing (1) is provided with a support (17), the top of the support (17) being provided with an arc-shaped slot, so that the rotating shaft (5) can rotate in the arc-shaped slot.
5. An indicator for low-voltage switchgear cabinets according to claim 3, characterized in that the counter-force torsion spring (3) is fitted around the axis of rotation (5) in the middle.
6. The indicator for low-voltage switchgear cabinets of claim 1, wherein the gear structure (2) further comprises a gear plate (22), a plurality of teeth (21) and an indicator plate (24) are fixed on the gear plate (22), and the gear plate (22) is further provided with a projection (23); the second limit stop (18) is positioned below the bump (23), and when the gear structure (2) rotates to enable the lower end of the bump (23) to abut against the upper end of the second limit stop (18), the 'taking-out' information on the indicator (24) is completely displayed in the window (13) of the box (1).
7. An indicator for low-voltage switchgear cabinets according to claim 1 or 6, characterized in that the indication plate (24) is provided with the "take out" and "take in" information words, the "take out" information being provided between the "take in" information and the teeth (21).
8. An indicator for low-voltage switchgear cabinets according to claim 1, characterized in that one end of the counter-force torsion spring (3) bears against one end of the indication plate (24), the other end of the counter-force torsion spring (3) being fixed to a first limit stop (15), the first limit stop (15) being fixed in the box (1).
9. An indicator for low-voltage switchgear cabinets according to claim 1, characterized in that the box (1) comprises a box body (11) and a lid (12), the box body (11) being of a barrel-shaped configuration, the lid (12) being fixed to the open end of the box body (11); the long hole is arranged on one side surface of the box body (11), and the window (13) is arranged on the box cover (12).
10. An indicator for low-voltage switchgear cabinets according to claim 1 or 9, characterized in that the bottom of the box (1) is provided at both ends with lugs (14) for fastening to the low-voltage switchgear cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010487353.4A CN111585181B (en) | 2020-06-02 | 2020-06-02 | Indicator for low-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010487353.4A CN111585181B (en) | 2020-06-02 | 2020-06-02 | Indicator for low-voltage switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111585181A true CN111585181A (en) | 2020-08-25 |
| CN111585181B CN111585181B (en) | 2021-11-09 |
Family
ID=72123639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010487353.4A Active CN111585181B (en) | 2020-06-02 | 2020-06-02 | Indicator for low-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111585181B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05213152A (en) * | 1991-09-09 | 1993-08-24 | Aisin Seiki Co Ltd | Impact sensing device |
| CN2406397Y (en) * | 2000-02-22 | 2000-11-15 | 梁恒云 | Low-voltage distribution cabinet drawer |
| CN2529560Y (en) * | 2002-03-29 | 2003-01-08 | 武进市新苑电力配件厂 | Three-position positioning indication interlocking propelling mechanism |
| JP2003031089A (en) * | 2001-07-18 | 2003-01-31 | Nissin Electric Co Ltd | Switching operating device |
| EP2109125A1 (en) * | 2008-04-10 | 2009-10-14 | ABB Technology AG | Spring drive unit comprising a spring state indicator, operating device comprising such spring drive unit, and a spring state indicator |
| CN102096445A (en) * | 2010-12-30 | 2011-06-15 | 富泰华工业（深圳）有限公司 | Display device |
| CN102354627A (en) * | 2011-09-26 | 2012-02-15 | 宁波兴邦电器有限公司 | Three-working-position electric operation mechanism for switching device |
| CN202796548U (en) * | 2012-06-21 | 2013-03-13 | 江苏华冠电器集团有限公司 | Interlocking indicating device for switching operation interlocking mechanism |
| CN103006280A (en) * | 2012-12-28 | 2013-04-03 | 北京中法派尔特医疗设备有限公司 | Band-knife stitching instrument with indicating device |
| CN103646619A (en) * | 2013-12-23 | 2014-03-19 | 深圳市洲明科技股份有限公司 | LED (light-emitting diode) display screen and module ejection devices thereof |
| CN204044509U (en) * | 2014-08-06 | 2014-12-24 | 中山市迪迈打印科技有限公司 | A kind of toner cartridge of laser printer counts tooth mounting structure |
| CN205984842U (en) * | 2016-07-08 | 2017-02-22 | 澳洲奇胜电器（北京）有限公司 | Low -voltage circuit breaker of window is instructed in area |
| CN207150002U (en) * | 2017-07-18 | 2018-03-27 | 温州市中意锁具电器有限公司 | A kind of propulsion indication mechanism of low-tension switch cabinet |
| CN208226376U (en) * | 2018-05-15 | 2018-12-11 | 重庆水利电力职业技术学院 | A kind of night electricity indication box |
-
2020
- 2020-06-02 CN CN202010487353.4A patent/CN111585181B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05213152A (en) * | 1991-09-09 | 1993-08-24 | Aisin Seiki Co Ltd | Impact sensing device |
| CN2406397Y (en) * | 2000-02-22 | 2000-11-15 | 梁恒云 | Low-voltage distribution cabinet drawer |
| JP2003031089A (en) * | 2001-07-18 | 2003-01-31 | Nissin Electric Co Ltd | Switching operating device |
| CN2529560Y (en) * | 2002-03-29 | 2003-01-08 | 武进市新苑电力配件厂 | Three-position positioning indication interlocking propelling mechanism |
| EP2109125A1 (en) * | 2008-04-10 | 2009-10-14 | ABB Technology AG | Spring drive unit comprising a spring state indicator, operating device comprising such spring drive unit, and a spring state indicator |
| CN102096445A (en) * | 2010-12-30 | 2011-06-15 | 富泰华工业（深圳）有限公司 | Display device |
| CN102354627A (en) * | 2011-09-26 | 2012-02-15 | 宁波兴邦电器有限公司 | Three-working-position electric operation mechanism for switching device |
| CN202796548U (en) * | 2012-06-21 | 2013-03-13 | 江苏华冠电器集团有限公司 | Interlocking indicating device for switching operation interlocking mechanism |
| CN103006280A (en) * | 2012-12-28 | 2013-04-03 | 北京中法派尔特医疗设备有限公司 | Band-knife stitching instrument with indicating device |
| CN103646619A (en) * | 2013-12-23 | 2014-03-19 | 深圳市洲明科技股份有限公司 | LED (light-emitting diode) display screen and module ejection devices thereof |
| CN204044509U (en) * | 2014-08-06 | 2014-12-24 | 中山市迪迈打印科技有限公司 | A kind of toner cartridge of laser printer counts tooth mounting structure |
| CN205984842U (en) * | 2016-07-08 | 2017-02-22 | 澳洲奇胜电器（北京）有限公司 | Low -voltage circuit breaker of window is instructed in area |
| CN207150002U (en) * | 2017-07-18 | 2018-03-27 | 温州市中意锁具电器有限公司 | A kind of propulsion indication mechanism of low-tension switch cabinet |
| CN208226376U (en) * | 2018-05-15 | 2018-12-11 | 重庆水利电力职业技术学院 | A kind of night electricity indication box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111585181B (en) | 2021-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102171913B (en) | Stepping motor | |
| CN111585181B (en) | Indicator for low-voltage switch cabinet | |
| CN216794306U (en) | General control cabinet with crashproof structure | |
| CN112230082B (en) | Multifunctional testing machine for testing socket durability | |
| CN211828661U (en) | Circuit breaker | |
| CN214748429U (en) | Rotary machine vibration monitoring device | |
| CN101086930B (en) | LCD screen switch of vehicle mounted TV set | |
| CN211507447U (en) | Modularization interlock and cubical switchboard interlocking assembly structure | |
| CN114423208A (en) | 5G communication cabinet with anticollision function | |
| CN219626571U (en) | Remote signaling switch structure and 1U surge protector | |
| CN212011691U (en) | Block terminal protective structure and block terminal | |
| CN219832501U (en) | Isolating switch supporting multi-side operation | |
| CN111740479B (en) | Convenient portable power source of can disassembling and equipment | |
| CN212412491U (en) | Electrical control cabinet | |
| CN116206930A (en) | Remote signaling switch structure and 1U surge protector | |
| CN211980484U (en) | Manual operation mechanism of high-voltage switch | |
| CN215731386U (en) | Isolation grounding interlocking mechanism | |
| CN220525482U (en) | Dynamic mechanical testing machine | |
| CN214588702U (en) | Contact system | |
| CN221226052U (en) | Quick breaking system of isolating switch | |
| CN217468319U (en) | Auxiliary switch device and universal circuit breaker | |
| CN214310522U (en) | Fluorescence immunoassay appearance convenient to maintain | |
| CN220456317U (en) | Auxiliary switching mechanism of circuit breaker | |
| CN221177257U (en) | On-board surge protector module | |
| CN214793229U (en) | Safe explosion-proof automatic instrument and meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |