CN215183699U - Vacuum circuit breaker convenient to dismantle - Google Patents
Vacuum circuit breaker convenient to dismantle Download PDFInfo
- Publication number
- CN215183699U CN215183699U CN202121212742.2U CN202121212742U CN215183699U CN 215183699 U CN215183699 U CN 215183699U CN 202121212742 U CN202121212742 U CN 202121212742U CN 215183699 U CN215183699 U CN 215183699U
- Authority
- CN
- China
- Prior art keywords
- rack
- block
- circuit breaker
- vacuum circuit
- protection box
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a vacuum circuit breaker convenient to dismantle, which belongs to the technical field of vacuum circuit breakers and comprises an installation component and a fixed component, wherein the vacuum circuit breaker body of the installation component is arranged on a protection box, and a box cover is arranged on one side of the protection box; the rotatory piece of fixed subassembly sets up on the guard box, the one end of pivot is fixed in rotatory piece, the other end of pivot is rotated and is installed in the guard box, the gear is fixed in the pivot, first rack gear connects in the gear, and first rack slidable mounting is in the guard box, the one end of first joint portion sets up in the one end of first rack, the other end of first joint portion sets up in one side of case lid, second rack gear connects in the gear, and second rack slidable mounting is in the guard box, the one end of second joint portion sets up in the one end of second rack, the other end of second joint portion sets up in the one side that first joint portion was kept away from to the case lid. The vacuum circuit breaker is easy to disassemble through the device.
Description
Technical Field
The utility model relates to a vacuum circuit breaker technical field particularly, relates to a vacuum circuit breaker convenient to dismantle.
Background
The vacuum circuit breaker is named after the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are high vacuum, and has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and the vacuum circuit breaker is relatively popularized in power distribution networks, can be used for protection and control of electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be configured in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for control and protection of high-voltage electrical equipment. In vacuum circuit breaker's use, often can take place vacuum circuit breaker self or control circuit and break down, when judging that control circuit does not have the fault point, need inspect vacuum circuit breaker inside, when vacuum circuit breaker is applied to high altitude construction, if whole dismantles vacuum circuit breaker, install again, circuit connection and vacuum circuit breaker's fixed is comparatively loaded down with trivial details, and operating personnel is in the high altitude when dismantling the inspection, because traditional vacuum circuit breaker mostly is through bolt fixed connection, when dismantling vacuum circuit breaker self, it is consuming time longer, operating personnel is at high altitude construction for a long time, personal safety hidden danger takes place easily.
SUMMERY OF THE UTILITY MODEL
In order to compensate for the above deficiency, the utility model provides a vacuum circuit breaker convenient to dismantle, aim at improving when vacuum circuit breaker is applied to high altitude construction, if whole dismantle vacuum circuit breaker, install again, line connection and vacuum circuit breaker's fixed is comparatively loaded down with trivial details, and operating personnel is in the high altitude when dismantling the inspection, because traditional vacuum circuit breaker most is through bolt fixed connection, when dismantling vacuum circuit breaker self, it is consuming time longer, operating personnel is at high altitude construction for a long time, take place the problem of personal safety hidden danger easily.
The utility model discloses a realize like this: the utility model provides a vacuum circuit breaker convenient to dismantle, including installation component and fixed subassembly, the installation and the fixed function of equipment are realized to the installation component, fixed subassembly realizes the function of convenient to detach and installation when overhauing vacuum circuit breaker inside.
The mounting assembly comprises a protection box, a vacuum circuit breaker body and a box cover, wherein the vacuum circuit breaker body is arranged on the protection box, and the box cover is arranged on one side of the protection box;
the fixed component comprises a rotating block, a rotating shaft, a gear, a first rack, a first clamping part, a second rack and a second clamping part, the rotating block is arranged on the protection box, one end of the rotating shaft is fixedly arranged on the rotating block, the other end of the rotating shaft is rotatably arranged in the protective box, the gear is fixedly arranged on the rotating shaft, the first rack is connected with the gear in a transmission way, the first rack is arranged in the protection box in a sliding way, one end of the first clamping part is arranged at one end of the first rack, the other end of the first clamping part is arranged on one side of the box cover, the second rack is connected with the gear in a transmission way, the second rack is slidably arranged in the protection box, one end of the second clamping part is arranged at one end of the second rack, the other end of the second clamping portion is arranged on one side, away from the first clamping portion, of the box cover.
In an embodiment of the present invention, the first clamping portion includes a first driving block, a first elastic member and a first clamping block, one side of the first driving block is fixedly mounted to one end of the first rack, the first driving block is slidably mounted to the inside of the protection box, one end of the first elastic member is fixedly mounted to the first driving block, the first driving block is far away from one side of the first rack, the other end of the first elastic member is fixedly mounted to the inside of the protection box, and the first clamping block is fixedly mounted to one end of the first driving block.
The utility model discloses an in one embodiment, first draw-in groove has been seted up to one side of case lid, first fixture block can the joint in first draw-in groove.
In an embodiment of the present invention, the second joint portion includes a second driving block, a second elastic member and a second clamping block, one side of the second driving block is fixedly installed in one end of the second rack, the second driving block is slidably installed in the protection box, one end of the second elastic member is fixedly installed in the second driving block is far away from one side of the second rack, the other end of the second elastic member is fixedly installed in the protection box, and the second clamping block is fixedly installed in one end of the second driving block.
The utility model discloses an in one embodiment, the second draw-in groove has been seted up to one side of case lid, the second fixture block can the joint in the second draw-in groove.
In an embodiment of the present invention, a baffle is fixedly installed on the rotating block, and the baffle is configured to increase the friction force of the hand to the rotating block.
The utility model discloses an in the embodiment, the via hole has been seted up on the case lid, the baffle can run through in the via hole.
The utility model discloses an in the embodiment, fixed mounting has the boss on the case lid, the notch has been seted up on the guard box, the boss can hold in the notch.
In an embodiment of the present invention, the protection box has a mounting opening, and the box cover can be accommodated in the mounting opening.
In an embodiment of the present invention, the first rack and the second rack move in opposite directions.
The utility model has the advantages that: the utility model discloses a vacuum circuit breaker convenient to dismantle through above-mentioned design obtains, when using, the vacuum circuit breaker body breaks down in the in-service use process, when operating personnel inspects the mechanism of vacuum circuit breaker in the protection box, the rotatory piece rotates, and then the rotatory piece drives the pivot rotation, and then the pivot drives the gear rotation, and then the gear drives first rack and moves right, and then first rack drives first drive block and moves right, and then first drive block drives first elastic component and moves right, first elastic component receives pressure and compresses, first drive block drives first fixture block and moves right, and then first fixture block breaks away from first draw-in groove, the gear drives second rack and moves left simultaneously, and then second rack drives second drive block and moves left, and then second drive block drives second elastic component and moves left, second elastic component receives pressure and compresses, the second driving block drives the second clamping block to move leftwards, the second clamping block is separated from the second clamping groove, when the rotating block rotates to the through hole, the baffle can be contained in the box cover, the rotating block stops rotating, and the box cover can be opened. Utilize the meshing transmission principle of gear and rack through above-mentioned device, replace traditional bolt to the fixed mode between case lid and the install bin, it is more convenient succinct in dismantlement and installation, operating personnel can be fast to the mechanism of the vacuum circuit breaker in the guard box and inspect, on the one hand need not wholly dismantle vacuum circuit breaker, on the other hand operating personnel when high altitude construction inspection vacuum circuit breaker, save the takedown time, further improve the guarantee for operating personnel personal safety. Use when outdoor at vacuum circuit breaker, because the weather reason, traditional bolt fastening mode can take place the bolt and rust and lead to dismantling more troublesome, probably need change the processing to rusty bolt cutting, can cause the waste of resource to a certain extent, baffle design on the rotatory piece in addition can further fix the case lid, the inside leakproofness of reinforcing guard box.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required 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 schematic view of an overall three-dimensional structure of a vacuum circuit breaker convenient to disassemble according to an embodiment of the present invention;
fig. 2 is a schematic view of an overall three-dimensional structure of a vacuum circuit breaker convenient to disassemble according to an embodiment of the present invention;
fig. 3 is a schematic view of a partially exploded perspective structure of a vacuum circuit breaker convenient to disassemble according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a vacuum circuit breaker fixing assembly convenient to disassemble according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a first clamping portion of a vacuum circuit breaker according to an embodiment of the present invention;
fig. 6 is a schematic view of a vacuum circuit breaker second clamping portion three-dimensional structure convenient to disassemble according to an embodiment of the present invention.
In the figure: 100-mounting the assembly; 110-a protective box; 111-notches; 112-a mounting port; 120-vacuum interrupter body; 130-a box cover; 131-a first card slot; 132-a second card slot; 133-a via hole; 134-a reinforcing block; 200-a stationary component; 210-a rotation block; 211-baffles; 220-a rotating shaft; 230-a gear; 240-a first rack; 250-a first clamping part; 251-a first drive block; 252-a first resilient member; 253-a first latch; 260-a second rack; 270-a second clamping part; 271-a second drive block; 272-a second elastic member; 273-second latch.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a vacuum circuit breaker convenient to dismantle comprises an installation assembly 100 and a fixing assembly 200, wherein the installation assembly 100 achieves the installation and fixing functions of equipment, and the fixing assembly 200 achieves the functions of being convenient to dismantle and install when the inside of the vacuum circuit breaker is overhauled.
Referring to fig. 1, 2 and 3, the mounting assembly 100 includes a protection box 110, a vacuum circuit breaker body 120 and a box cover 130, the vacuum circuit breaker body 120 is disposed on the protection box 110, a reinforcing block 134 is fixedly mounted at the right end of the box cover 130 through a bolt, a notch 111 is formed in the protection box 110, the reinforcing block 134 can be accommodated in the notch 111, a mounting opening 112 is formed in the protection box 110, and the box cover 130 can be accommodated in the mounting opening 112.
Referring to fig. 3 and 4, the fixing assembly 200 includes a rotating block 210, a rotating shaft 220, a gear 230, a first rack 240, a first clamping portion 250, a second rack 260, and a second clamping portion 270, the rotating block 210 is disposed on the protection box 110, a baffle 211 is fixedly mounted on the rotating block 210 through a key, the baffle 211 is configured to increase friction of a hand on the rotating block 210, a through hole 133 is formed on the box cover 130, the baffle 211 can penetrate through the through hole 133, an upper end of the rotating shaft 220 is fixedly mounted on the rotating block 210 through a bolt, a lower end of the rotating shaft 220 is rotatably mounted in the protection box 110, the gear 230 is fixedly mounted on the rotating shaft 220 through a key, the first rack 240 is engaged and drivingly connected to the gear 230, and the first rack 240 is slidably mounted on a left side in the protection box 110, one end of the first clamping portion 250 is disposed at one end of the first rack 240, and the other end of the first clamping portion 250 is disposed at one side of the box cover 130, second rack 260 meshing transmission is connected in gear 230, and second rack 260 slidable mounting is in guard box 110 right side, and the one end of second joint portion 270 sets up in the one end of second rack 260, and the other end of second joint portion 270 sets up in the one side that first joint portion 250 was kept away from to case lid 130, and first rack 240 is opposite with second rack 260 direction of motion, replaces traditional bolt fastening mode through above-mentioned device, and is simple and easy convenient more in the dismantlement.
Referring to fig. 5, the first clamping portion 250 includes a first driving block 251, a first elastic member 252 and a first clamping block 253, the left side of the first driving block 251 is fixedly installed at the right end of the first rack 240 by a bolt, the first driving block 251 is slidably installed in the protection box 110, the left end of the first elastic member 252 is fixedly installed at the right side of the first driving block 251 by welding, the right end of the first elastic member 252 is fixedly installed in the protection box 110 by welding, the first clamping block 253 is fixedly installed at one end of the first driving block 251 by a bolt, a first clamping groove 131 is formed at the right side of the box cover 130, the first clamping block 253 can be clamped in the first clamping groove 131, and the first elastic member 252 may be any one of a coil spring, a gas spring and a rubber spring.
Referring to fig. 6, the second clamping portion 270 includes a second driving block 271, a second elastic member 272 and a second clamping block 273, the right side of the second driving block 271 is fixedly mounted at the left end of the second rack 260 through a bolt, the second driving block 271 is slidably mounted in the protection box 110, the right end of the second elastic member 272 is fixedly mounted at the left side of the second driving block 271 through welding, the left end of the second elastic member 272 is fixedly mounted in the protection box 110 through welding, the second clamping block 273 is fixedly mounted at one end of the second driving block 271 through a bolt, a second clamping groove 132 is formed in one side of the box cover 130, the second clamping block 273 can be clamped in the second clamping groove 132, and the second elastic member 272 can be any one of a coil spring, a gas spring and a rubber spring.
Specifically, this vacuum circuit breaker convenient to dismantle's theory of operation: when the vacuum circuit breaker body 120 is in actual use and an operator checks the mechanism of the vacuum circuit breaker in the protection box 110, the rotating block 210 is rotated, the rotating block 210 drives the rotating shaft 220 to rotate, the rotating shaft 220 drives the gear 230 to rotate, the gear 230 drives the first rack 240 to move rightwards, the first rack 240 drives the first driving block 251 to move rightwards, the first driving block 251 drives the first elastic member 252 to move rightwards, the first elastic member 252 is compressed by pressure, the first driving block 251 drives the first clamping block 253 to move rightwards, the first clamping block 253 is separated from the first clamping groove 131, the gear 230 drives the second rack 260 to move leftwards, the second rack 260 drives the second driving block 271 to move leftwards, the second driving block 271 drives the second elastic member 272 to move leftwards, and the second elastic member 272 is compressed by pressure, the second driving block 271 drives the second latching 273 to move leftward, so that the second latching 273 is separated from the second latching groove 132, and when the rotating block 210 rotates to the through hole 133 where the baffle 211 can be accommodated on the box cover 130, the rotating block 210 stops rotating, so that the box cover 130 can be opened.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A vacuum circuit breaker convenient to disassemble is characterized by comprising
The mounting assembly (100) comprises a protection box (110), a vacuum circuit breaker body (120) and a box cover (130), wherein the vacuum circuit breaker body (120) is arranged on the protection box (110), and the box cover (130) is arranged on one side of the protection box (110);
a fixing component (200), wherein the fixing component (200) comprises a rotating block (210), a rotating shaft (220), a gear (230), a first rack (240), a first clamping portion (250), a second rack (260) and a second clamping portion (270), the rotating block (210) is arranged on the protection box (110), one end of the rotating shaft (220) is fixedly arranged on the rotating block (210), the other end of the rotating shaft (220) is rotatably arranged in the protection box (110), the gear (230) is fixedly arranged on the rotating shaft (220), the first rack (240) is in transmission connection with the gear (230), the first rack (240) is slidably arranged in the protection box (110), one end of the first clamping portion (250) is arranged at one end of the first rack (240), the other end of the first clamping portion (250) is arranged at one side of the box cover (130), the second rack (260) is in transmission connection with the gear (230), the second rack (260) is slidably installed in the protection box (110), one end of the second clamping portion (270) is arranged at one end of the second rack (260), and the other end of the second clamping portion (270) is arranged at one side, far away from the first clamping portion (250), of the box cover (130).
2. The vacuum circuit breaker convenient to disassemble as claimed in claim 1, wherein the first clamping portion (250) comprises a first driving block (251), a first elastic member (252) and a first clamping block (253), one side of the first driving block (251) is fixedly installed at one end of the first rack (240), the first driving block (251) is slidably installed in the protection box (110), one end of the first elastic member (252) is fixedly installed at one side of the first driving block (251) far away from the first rack (240), the other end of the first elastic member (252) is fixedly installed in the protection box (110), and the first clamping block (253) is fixedly installed at one end of the first driving block (251).
3. The vacuum circuit breaker convenient to disassemble as claimed in claim 2, wherein a first engaging groove (131) is formed on one side of the case cover (130), and the first engaging block (253) can be engaged with the first engaging groove (131).
4. The vacuum circuit breaker convenient to disassemble as claimed in claim 1, wherein the second clamping portion (270) comprises a second driving block (271), a second elastic member (272) and a second clamping block (273), one side of the second driving block (271) is fixedly installed at one end of the second rack (260), the second driving block (271) is slidably installed in the protection box (110), one end of the second elastic member (272) is fixedly installed at one side of the second driving block (271) far away from the second rack (260), the other end of the second elastic member (272) is fixedly installed in the protection box (110), and the second clamping block (273) is fixedly installed at one end of the second driving block (271).
5. The vacuum circuit breaker convenient to disassemble as claimed in claim 4, wherein a second engaging groove (132) is formed on one side of the case cover (130), and the second engaging block (273) can be engaged with the second engaging groove (132).
6. A vacuum interrupter as claimed in claim 1, wherein a baffle (211) is fixedly mounted on the rotating block (210), the baffle (211) being configured to increase friction of the rotating block (210) by hand.
7. The vacuum circuit breaker convenient to disassemble as claimed in claim 6, wherein the tank cover (130) is provided with a through hole (133), and the baffle (211) can penetrate through the through hole (133).
8. The vacuum circuit breaker convenient to disassemble as claimed in claim 1, wherein a reinforcing block (134) is fixedly installed on the case cover (130), a notch (111) is opened on the protection case (110), and the reinforcing block (134) can be accommodated in the notch (111).
9. The vacuum circuit breaker convenient to disassemble as claimed in claim 1, wherein the protection box (110) is opened with a mounting opening (112), and the box cover (130) can be accommodated in the mounting opening (112).
10. A vacuum interrupter as claimed in claim 1, wherein the first rack (240) and the second rack (260) move in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121212742.2U CN215183699U (en) | 2021-06-01 | 2021-06-01 | Vacuum circuit breaker convenient to dismantle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121212742.2U CN215183699U (en) | 2021-06-01 | 2021-06-01 | Vacuum circuit breaker convenient to dismantle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215183699U true CN215183699U (en) | 2021-12-14 |
Family
ID=79376963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121212742.2U Expired - Fee Related CN215183699U (en) | 2021-06-01 | 2021-06-01 | Vacuum circuit breaker convenient to dismantle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215183699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060677A (en) * | 2021-12-21 | 2022-02-18 | 深圳市优至胜科技有限公司 | Quick-release seat and quick-release assembly |
-
2021
- 2021-06-01 CN CN202121212742.2U patent/CN215183699U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060677A (en) * | 2021-12-21 | 2022-02-18 | 深圳市优至胜科技有限公司 | Quick-release seat and quick-release assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215183699U (en) | Vacuum circuit breaker convenient to dismantle | |
| US10485120B1 (en) | Enclosures including an interlocking device | |
| CN102222861A (en) | Novel explosion-proof distribution box | |
| CN215578252U (en) | Circuit breaker integrated modular spring mechanism | |
| CN211240512U (en) | Explosion-proof automatically controlled machine case | |
| CN210297282U (en) | Mining power supply device | |
| CN109994929A (en) | A kind of dust protected Electric Appliance Cabinet | |
| CN212162416U (en) | Ring main unit operation hole protection device | |
| CN215183698U (en) | High altitude vacuum circuit breaker | |
| CN112436424B (en) | Sealed AC metal switchgear mechanism chamber and AC metal switchgear | |
| CN207264966U (en) | A kind of disconnecting switch | |
| CN208444791U (en) | A kind of air switch protective cover and electrical equipment | |
| CN213214086U (en) | Intelligent fire-fighting equipment patrol recording device | |
| CN215988556U (en) | Electric grounding switch convenient to maintain | |
| CN214069280U (en) | Electromechanical distribution box of building | |
| CN216250575U (en) | Novel operating mechanism of micro-break and similar switch | |
| CN221263017U (en) | Electrical terminal sealing structure | |
| CN215118686U (en) | Spring operating mechanism for switch | |
| CN215267215U (en) | Low-voltage draw-out type switch cabinet | |
| CN217238232U (en) | Multifunctional electric power instrument | |
| CN219794060U (en) | Auxiliary dustproof heat dissipation mechanism for excavator motor | |
| CN114412981B (en) | Maintenance-free electric drive half shaft structure of passenger car | |
| CN219760380U (en) | Electric energy metering box | |
| CN220822327U (en) | Explosion-proof block terminal | |
| CN219778325U (en) | High tension switchgear trouble alarm module based on ambient temperature changes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |