CN114256760B - Cabinet door fixing device and electric power cabinet - Google Patents
Cabinet door fixing device and electric power cabinet Download PDFInfo
- Publication number
- CN114256760B CN114256760B CN202111581956.1A CN202111581956A CN114256760B CN 114256760 B CN114256760 B CN 114256760B CN 202111581956 A CN202111581956 A CN 202111581956A CN 114256760 B CN114256760 B CN 114256760B
- Authority
- CN
- China
- Prior art keywords
- cabinet door
- clamping
- supporting
- cabinet
- piece
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims description 55
- 230000009471 action Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 11
- 239000011435 rock Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Abstract
The invention relates to the technical field of power equipment, and particularly discloses a cabinet door fixing device and an electric cabinet. The cabinet door fixing device can solve the problem of cabinet door swinging, is simple in structure and convenient to operate, and reduces risks in the operation process. The invention also provides an electric power cabinet which comprises a cabinet door, a cabinet body and the cabinet door fixing device, wherein the cabinet door of the electric power cabinet is good in fixing effect and high in safety performance.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a cabinet door fixing device and a power cabinet.
Background
When the test item of the metal oxide arrester live test is carried out in the transformer substation, secondary voltage amplitude and phase information of the voltage transformer are required to be extracted in a terminal box of the voltage transformer and are wirelessly transmitted to a test instrument through a voltage signal generator, so that the secondary voltage amplitude and phase information is used as a reference signal to carry out a related test.
When extracting signals, it is generally necessary to take three-phase voltage signals at the secondary terminals of the voltage transformer by clips or plugs and to lead the three-phase voltage signals to the voltage signal generator through leads. In order to make the transmission quality of radio signal better, the scope is bigger, and signal generator is arranged in the voltage transformer terminal box outside generally, consequently, in the overall process of carrying out the test, the cabinet door needs to keep at the open state all the time, if in the process of test, the cabinet door is closed because reasons such as wind blows or itself unsteady removal suddenly, probably can have the condition of pressing voltage signal lead or beating to extracting voltage signal's clip or plug, leads to cabinet door clamp broken lead insulating layer, or the risk such as touching each other and take place short circuit between the clip, exists great potential safety hazard.
Therefore, what is needed is a cabinet door fixing device and an electric cabinet, which can solve the problem of cabinet door swing, and has the advantages of simple structure, convenient operation and reduced risk in the operation process.
Disclosure of Invention
The invention aims to provide a cabinet door fixing device and an electric power cabinet, which are used for solving the problems that a cabinet door is not easy to fix and inconvenient to operate and has potential safety hazards in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
in one aspect, the present invention provides a cabinet door fixing apparatus, comprising:
The clamping mechanism comprises a first clamping piece, a second clamping piece and a rotating shaft, wherein the first clamping piece and the second clamping piece are connected with the rotating shaft, the first clamping piece and the second clamping piece can rotate around the rotating shaft, and the first clamping piece and the second clamping piece are respectively abutted to two sides of the cabinet door so as to clamp the cabinet door; and
And the supporting mechanism is used for supporting the clamping mechanism, one end of the supporting mechanism can be supported on the cabinet body, and the other end of the supporting mechanism is connected with the clamping mechanism.
Optionally, the cabinet door fixing device comprises a locking mechanism, and the locking mechanism can enable the first clamping piece and the second clamping piece to perform unidirectional clamping action.
Optionally, the locking mechanism includes first ratchet, second ratchet, first pawl and second pawl, first ratchet the second ratchet is coaxial to be set up in the pivot, first pawl sets up in the draw-in groove of first ratchet, the second pawl sets up in the draw-in groove of second ratchet, first clamping piece with first ratchet is connected, second clamping piece with second ratchet is connected.
Optionally, the locking mechanism includes a reset lever, the reset lever is connected with the first pawl and the second pawl, pressing the reset lever can make the first pawl break away from the clamping groove of the first ratchet wheel, and make the second pawl break away from the clamping groove of the second ratchet wheel, and the first clamping piece and the second clamping piece can rotate freely around the rotating shaft.
Optionally, the locking mechanism includes first elastic component and second elastic component, the both ends of first elastic component respectively with first clamping piece with the pivot is connected, the both ends of second elastic component respectively with the second clamping piece with the pivot is connected.
Optionally, the supporting mechanism includes a first supporting member and a second supporting member, one ends of the first supporting member and the second supporting member are connected with the rotating shaft, and the first supporting member and the second supporting member can rotate around the rotating shaft; the other ends of the first supporting piece and the second supporting piece can be abutted or connected with the cabinet body.
Optionally, the first support member is provided with a first avoiding portion, the second support member is provided with a second avoiding portion, and the first avoiding portion and the second avoiding portion are used for avoiding the protrusion on the cabinet door.
Optionally, the first support piece includes first bracing piece, first bracing piece with first dodge the portion and be connected, the second support piece includes the second bracing piece, the second bracing piece with the portion is dodged to the second is connected, first bracing piece with the cabinet body butt of cabinet door one side, the second bracing piece with the cabinet body butt of cabinet door opposite side.
Optionally, the clamping mechanism and the supporting mechanism are coated with an insulating layer.
On the other hand, the invention provides an electric power cabinet, which comprises a cabinet body, a cabinet door and the cabinet door fixing device.
The beneficial effects of the invention are as follows:
The invention provides a cabinet door fixing device which comprises a clamping mechanism and a supporting mechanism, wherein the clamping mechanism comprises a first clamping piece, a second clamping piece and a rotating shaft, the first clamping piece and the second clamping piece are connected with the rotating shaft, the first clamping piece and the second clamping piece can rotate around the rotating shaft, the clamping mechanism can clamp a cabinet door, the supporting mechanism is connected with the rotating shaft of the clamping mechanism, and the supporting mechanism can support a cabinet body to prevent the cabinet door from shaking. The cabinet door fixing device can solve the problem of cabinet door swinging, is simple in structure and convenient to operate, and reduces risks in the operation process.
The invention also provides an electric power cabinet, which comprises a cabinet body, a cabinet door and the cabinet door fixing device, wherein one end of the cabinet door fixing device is fixed on the cabinet door, and the other end of the cabinet door fixing device is used for supporting the cabinet body of the electric power cabinet, so that the cabinet door fixing device can prevent the cabinet door of the electric power cabinet from shaking relative to the cabinet body, has good fixing effect, is simple in structure and convenient to operate, and reduces risks in the operation process.
Drawings
Fig. 1 is a schematic structural view of a cabinet door fixing device and a voltage transformer terminal box provided in a first embodiment of the present invention;
FIG. 2 is a front view of a cabinet door securing apparatus according to a first embodiment of the invention;
fig. 3 is a side view of a cabinet door fixing apparatus according to a first embodiment of the invention.
In the figure:
100. A cabinet door fixing device; 110. a first clamping member; 111. a first clamping portion; 120. a second clamping member; 121. a second clamping portion; 130. a rotating shaft; 140. a first support; 141. a first avoidance unit; 142. a first support bar; 150. a second support; 152. a second support bar; 160. a reset lever;
200. A voltage transformer terminal box; 210. a cabinet door; 220. a cabinet body.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Example 1
When testing items of a metal oxide arrester live test are performed in a transformer substation, secondary voltage amplitude and phase information of the voltage transformer need to be extracted in a voltage transformer terminal box 200, generally, the voltage transformer terminal box 200 comprises a cabinet door 210 and a cabinet body 220, when signals are extracted, three-phase voltage signals need to be usually extracted from secondary terminals of the voltage transformer through clamps or plugs and led to a voltage signal generator through leads, and the signal generator is generally arranged on the outer side of the voltage transformer terminal box 200, so that the cabinet door 210 needs to be kept in an open state all the time in the whole process of the test, if the cabinet door 210 is suddenly closed due to wind blowing or unstable movement of the cabinet door itself in the process of the test, the conditions of pressing down the voltage signal leads or striking the clamps or plugs for extracting the voltage signals may exist, so that the cabinet door 210 clamps the insulating layers of the leads or the clamps are mutually touched to generate short circuit and other risks, and great potential safety hazards exist.
For this reason, as shown in fig. 1-3, the cabinet door fixing device 100 includes a clamping mechanism and a supporting mechanism, the clamping mechanism includes a first clamping member 110, a second clamping member 120 and a rotating shaft 130, the first clamping member 110 and the second clamping member 120 are connected with the rotating shaft 130, the first clamping member 110 and the second clamping member 120 can rotate around the rotating shaft 130, the first clamping member 110 and the second clamping member 120 respectively abut against two sides of the cabinet door 210, so that the clamping mechanism can be clamped on the cabinet door 210, one end of the supporting mechanism is connected with the clamping mechanism, and the other end of the supporting mechanism can be supported on the cabinet body 220, thereby ensuring that the cabinet door 210 cannot shake back and forth. Through the arrangement, the cabinet door fixing device 100 can be clamped on the cabinet door 210 of the voltage transformer terminal box 200 and provides certain support for the cabinet door 210, so that the cabinet door 210 is prevented from shaking in the test process, the fixing effect is good, the risk in the operation process is reduced, and the cabinet door fixing device 100 is simple in structure and convenient to operate.
Further, the cabinet door fixing apparatus 100 includes a locking mechanism provided on the rotation shaft 130, the locking mechanism enabling the first clamping member 110 and the second clamping member 120 to perform a unidirectional clamping action. Optionally, in some embodiments, the locking mechanism includes a first ratchet, a second ratchet, a first pawl and a second pawl, the first ratchet and the second ratchet are coaxially disposed on the rotating shaft 130, the first pawl is disposed in a slot of the first ratchet, the second pawl is disposed in a slot of the second ratchet, the first clamping member 110 is connected to the first ratchet, and the second clamping member 120 is connected to the second ratchet. In this way, the first ratchet wheel and the first pawl cooperate to enable the first clamping member 110 to perform unidirectional clamping action, and similarly, the second ratchet wheel and the second pawl cooperate to enable the second clamping member 120 to perform unidirectional clamping action, so that the first clamping member 110 and the second clamping member 120 are firmly fixed on the cabinet door 210 of the voltage transformer terminal box 200, and loosening does not occur.
Preferably, referring to fig. 2, the locking mechanism further includes a reset lever 160, one end of the reset lever 160 is connected to the first pawl and the second pawl, the first pawl can be separated from the clamping groove of the first ratchet wheel when the reset lever 160 is pressed, and the second pawl can be separated from the clamping groove of the second ratchet wheel, at this time, the first clamping member 110 and the second clamping member 120 can freely rotate around the rotation shaft 130, and the cabinet door fixing device 100 can be removed from the cabinet door 210 of the voltage transformer terminal box 200. The locking manner is very reliable, and when the reset lever 160 is in the locked state, the first clamping member 110 and the second clamping member 120 cannot be loosened, so that the stability and reliability of fixing the clamping mechanism on the cabinet door 210 are ensured.
Optionally, the first clamping member 110 is provided with a first clamping portion 111, the second clamping member 120 is provided with a second clamping portion 121, the first clamping portion 111 is a first inclined surface disposed at the end of the first clamping member 110, the second clamping portion 121 is a second inclined surface disposed at the end of the second clamping member 120, and the first inclined surface and the second inclined surface can respectively abut against two side surfaces of the cabinet door 210. Through the arrangement of the first clamping part 111 and the second clamping part 121, the first clamping piece 110 and the second clamping piece 120 can be attached to the surface of the cabinet door 210, so that the contact area between the first clamping piece 110 and the second clamping piece 120 and the cabinet door 210 is increased, and the stability and the reliability of clamping are further ensured.
Optionally, the supporting mechanism includes a first supporting member 140 and a second supporting member 150, one ends of the first supporting member 140 and the second supporting member 150 are connected to the rotating shaft 130, and the first supporting member 140 and the second supporting member 150 can rotate around the rotating shaft 130, and the other ends of the first supporting member 140 and the second supporting member 150 respectively abut against the cabinet 220 of the voltage transformer terminal box 200. When the clamping mechanism clamps the cabinet door 210, the first supporting member 140 and the second supporting member 150 are respectively located at two sides of the cabinet door 210 of the voltage transformer terminal box 200, and the opening and closing angle of the cabinet door 210 relative to the cabinet body 220 can be adjusted by adjusting the opening and closing angle of the first supporting member 140 and the second supporting member 150, so that the cabinet is flexible in use and convenient in operation.
More preferably, referring to fig. 3, since the protrusion is disposed on the cabinet door 210 of the voltage transformer terminal box 200, in order to avoid the protrusion, the first supporting member 140 in this embodiment is provided with a first avoiding portion 141, and the second supporting member 150 is provided with a second avoiding portion, so that the protrusion on the cabinet door 210 of the voltage transformer terminal box 200 can be avoided through the arrangement of the first avoiding portion 141 and the second avoiding portion.
Further, the first supporting member 140 in this embodiment includes a first supporting rod 142, one end of the first supporting rod 142 is connected to the first avoiding portion 141, the other end of the first supporting rod 142 can be abutted to the cabinet 220 on one side of the cabinet door 210, the second supporting member 150 includes a second supporting rod 152, one end of the second supporting rod 152 is connected to the second avoiding portion, and the other end of the second supporting rod 152 can be abutted to the cabinet 220 on the other side of the cabinet door 210.
Preferably, since the cabinet door fixing apparatus 100 in the present embodiment is used for fixing the cabinet door 210 of the voltage transformer terminal box 200, the outside of the clamping mechanism and the supporting mechanism in the present embodiment is covered with an insulating layer. Through the setting of insulating layer, avoided cabinet door fixing device 100 and line to bump each other and take place the short circuit to and cabinet door fixing device 100 carelessly drop the circumstances emergence of mistake touch other electrified positions, there is not the potential safety hazard, guaranteed staff life safety.
The embodiment also provides an electric power cabinet, including the cabinet body, cabinet door and foretell cabinet door fixing device, cabinet door fixing device's one end is fixed on the cabinet door, and the other end is used for supporting the cabinet body of electric power cabinet to cabinet door fixing device can avoid the cabinet door of electric power cabinet to rock for the cabinet body, and fixed effect is good, and simple structure, convenient operation have reduced the risk of operation in-process, and the security is high.
Example two
The present embodiment provides a cabinet door fixing apparatus 100, which is different from the cabinet door fixing apparatus 100 in the first embodiment in that: the locking mechanism in this embodiment is different from the locking mechanism in the first solution of the embodiment, and the locking mechanism in this embodiment includes a first elastic member and a second elastic member, where two ends of the first elastic member are respectively connected to the first clamping member 110 and the rotating shaft 130, and two ends of the second elastic member are respectively connected to the second clamping member 120 and the rotating shaft 130. Through the setting of first elastic component and second elastic component, can make first clamping component 110 and second clamping component 120 firmly press from both sides and establish in cabinet door 210 equally, guarantee that cabinet door 210 can not rock back and forth, fixed effect is good, has guaranteed the reliability that clamping mechanism fixed on cabinet door 210, and the setting simple structure of first elastic component and second elastic component, operation are very convenient.
The embodiment also provides an electric power cabinet, including the cabinet body, cabinet door and foretell cabinet door fixing device, cabinet door fixing device's one end is fixed on the cabinet door, and the other end is used for supporting the cabinet body of electric power cabinet to cabinet door fixing device can avoid the cabinet door of electric power cabinet to rock for the cabinet body, and fixed effect is good, and simple structure, convenient operation have reduced the risk of operation in-process, and the security is high.
The other structures in this embodiment are the same as those in the first embodiment, and will not be described in detail here.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. A cabinet door fixing device, characterized in that the cabinet door fixing device (100) comprises:
The clamping mechanism comprises a first clamping piece (110), a second clamping piece (120) and a rotating shaft (130), wherein the first clamping piece (110) and the second clamping piece (120) are connected with the rotating shaft (130), the first clamping piece (110) and the second clamping piece (120) can rotate around the rotating shaft (130), and the first clamping piece (110) and the second clamping piece (120) are respectively abutted with two sides of the cabinet door (210) to clamp the cabinet door (210); and
The supporting mechanism is used for supporting the clamping mechanism, one end of the supporting mechanism can be supported on the cabinet body (220), and the other end of the supporting mechanism is connected with the clamping mechanism;
The cabinet door fixing device (100) comprises a locking mechanism, wherein the locking mechanism can enable the first clamping piece (110) and the second clamping piece (120) to perform unidirectional clamping action;
The locking mechanism comprises a first ratchet wheel, a second ratchet wheel, a first pawl and a second pawl, wherein the first ratchet wheel and the second ratchet wheel are coaxially arranged on the rotating shaft (130), the first pawl is arranged in a clamping groove of the first ratchet wheel, the second pawl is arranged in a clamping groove of the second ratchet wheel, the first clamping piece (110) is connected with the first ratchet wheel, and the second clamping piece (120) is connected with the second ratchet wheel;
The locking mechanism comprises a reset rod (160), the reset rod (160) is connected with the first pawl and the second pawl, the first pawl can be separated from a clamping groove of the first ratchet wheel by pressing the reset rod (160), the second pawl can be separated from a clamping groove of the second ratchet wheel, and the first clamping piece (110) and the second clamping piece (120) can rotate freely around the rotating shaft (130);
The supporting mechanism comprises a first supporting piece (140) and a second supporting piece (150), one ends of the first supporting piece (140) and the second supporting piece (150) are connected with the rotating shaft (130), and the first supporting piece (140) and the second supporting piece (150) can rotate around the rotating shaft (130); the other ends of the first supporting piece (140) and the second supporting piece (150) can be abutted or connected with the cabinet body (220).
2. The cabinet door fixing device according to claim 1, wherein the locking mechanism comprises a first elastic member and a second elastic member, two ends of the first elastic member are respectively connected with the first clamping member (110) and the rotating shaft (130), and two ends of the second elastic member are respectively connected with the second clamping member (120) and the rotating shaft (130).
3. The cabinet door fixing device according to claim 1, wherein a first avoidance portion (141) is provided on the first support member (140), a second avoidance portion is provided on the second support member (150), and the first avoidance portion (141) and the second avoidance portion are used for avoiding a protrusion on the cabinet door (210).
4. A cabinet door fixing device according to claim 3, wherein the first supporting member (140) comprises a first supporting rod (142), the first supporting rod (142) is connected with the first avoiding portion (141), the second supporting member (150) comprises a second supporting rod (152), the second supporting rod (152) is connected with the second avoiding portion, the first supporting rod (142) is abutted with a cabinet body (220) on one side of the cabinet door (210), and the second supporting rod (152) is abutted with a cabinet body (220) on the other side of the cabinet door (210).
5. The cabinet door fixing apparatus according to claim 1, wherein the clamping mechanism and the supporting mechanism are coated with an insulating layer on the outer sides thereof.
6. An electric power cabinet comprising a cabinet body and a cabinet door, characterized by further comprising a cabinet door fixing device according to any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111581956.1A CN114256760B (en) | 2021-12-22 | Cabinet door fixing device and electric power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111581956.1A CN114256760B (en) | 2021-12-22 | Cabinet door fixing device and electric power cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114256760A CN114256760A (en) | 2022-03-29 |
| CN114256760B true CN114256760B (en) | 2024-07-02 |
Family
ID=
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205955487U (en) * | 2016-05-23 | 2017-02-15 | 金华职业技术学院 | Ware in door |
| CN208853088U (en) * | 2018-08-21 | 2019-05-14 | 江苏汇众车业有限公司 | A kind of positioning device for arrangements for automotive doors spray painting |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205955487U (en) * | 2016-05-23 | 2017-02-15 | 金华职业技术学院 | Ware in door |
| CN208853088U (en) * | 2018-08-21 | 2019-05-14 | 江苏汇众车业有限公司 | A kind of positioning device for arrangements for automotive doors spray painting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190220059A1 (en) | Docking System for Portable Computing Device | |
| CN114256760B (en) | Cabinet door fixing device and electric power cabinet | |
| JP2019505085A (en) | Improved wiring structure for contact system of rotary double break switch | |
| CN114256760A (en) | Cabinet door fixing device and electric power cabinet | |
| CN210668175U (en) | Switch cabinet power-off device | |
| CN111755955A (en) | High-tension electricity cabinet ground protection device | |
| CN207781928U (en) | A kind of extra high voltage network individual security personnel line apparatus | |
| US8507814B2 (en) | Resistance device for high voltage switch assembly | |
| CN208478272U (en) | Fuse cutout and electrical equipment | |
| CN210985001U (en) | 500kV porcelain column type terminal rod for circuit breaker test | |
| CN204696021U (en) | Isolating switch | |
| CN208142070U (en) | It is a kind of for preventing the conjunction knife system of cable distribution box maloperation | |
| CN218415186U (en) | High-speed transmission cable connecting device | |
| CN214477253U (en) | Combined circuit breaker | |
| CN212907632U (en) | Fuse protector | |
| CN218123283U (en) | Disconnecting link anti-separation mechanism for high-voltage switch cabinet | |
| CN213716831U (en) | Fuse link temporary fixing device applied to exit of fuse in power cabinet | |
| CN219457412U (en) | Locking device for grounding switch of electric high-low voltage switch cabinet | |
| CN211377310U (en) | Power distribution box | |
| CN219799600U (en) | Handheld spectrum analyzer | |
| CN208608384U (en) | A kind of Novel connecting ground wire | |
| CN208767240U (en) | A kind of onboard surge protector | |
| CN213583616U (en) | Novel main knife switch device of isolating switch | |
| CN220726026U (en) | Wireless power supply electronic lock | |
| CN202839431U (en) | High-voltage isolator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |