CN211788717U - Mechanical interlocking device of circuit breaker - Google Patents
Mechanical interlocking device of circuit breaker Download PDFInfo
- Publication number
- CN211788717U CN211788717U CN202020250596.1U CN202020250596U CN211788717U CN 211788717 U CN211788717 U CN 211788717U CN 202020250596 U CN202020250596 U CN 202020250596U CN 211788717 U CN211788717 U CN 211788717U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- sliding rod
- sliding
- spring
- slide bar
- 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
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a mechanical interlocking device of circuit breaker, including the slide bar cover that is equipped with waist type spout, the slide bar of cover-mounted in the slide bar cover and the stop screw of restriction slide bar displacement, still include the first dog with slide bar one end contact and the second dog with the contact of the slide bar other end, and be equipped with the slope on the first dog, when one of two adjacent circuit breakers closes a floodgate upwards, slide bar one end top-down touches the slope of first dog to vertical face, drive the slide bar and move towards another circuit breaker direction, the pressfitting of the slide bar other end is at the top surface of second dog, make another circuit breaker can not be pushed into the floodgate; when the other of the two adjacent circuit breakers is switched on upwards, the first circuit breaker is required to be in a switching-off position, one end of the sliding rod is positioned on the top surface of the first stop block, and the other end of the sliding rod can be separated from the top surface of the second stop block, so that the interlocking purpose is achieved. The utility model discloses can realize mechanical interlocking's function, the mechanism is simple, and the reliability is high.
Description
Technical Field
The utility model relates to a low-voltage apparatus technical field, concretely relates to circuit breaker mechanical interlocking device.
Background
The mechanical interlocking device of the circuit breaker is generally used between two circuit breakers working in cooperation with each other, so that the switching-on of one circuit breaker is limited by the switching-on/switching-off state of the other circuit breaker, and the two circuit breakers interlocked with each other cannot be in the switching-on state at the same time, thereby avoiding accidents such as equipment short circuit and electric shock on personnel.
The action reliability and the mechanical service life of the mechanical interlocking also determine the reliability and the service life of the whole breaker, so that a good mechanical interlocking design is very important for the breaker.
Chinese patent No. CN206421963 discloses a mechanical interlocking device for a circuit breaker, which realizes interlocking by matching structures such as a driving rod, a locking rod, a cable and the like, wherein the driving rod and the locking rod both adopt a common spiral spring as a reset mechanism, but the driving rod and the locking rod rotate in a movement mode, the spring is not uniformly deformed, and the original shape is difficult to recover after long-time use, thereby affecting reliability.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a circuit breaker mechanical interlocking device can satisfy two circuit breakers of mutual interlocking and can not be in the state of combined floodgate simultaneously, still has higher reliability.
In order to achieve the above object, the utility model provides a circuit breaker mechanical interlocking device, include:
the sliding rod sleeve is provided with a stepped through hole along the axis direction, a waist-shaped sliding groove communicated with the stepped through hole is arranged in the direction vertical to the axis direction, and the sliding rod sleeve is arranged in an opening of the cabinet body shell which is contacted with two adjacent circuit breakers to be interlocked in a penetrating way; and axial positioning is carried out through a locking piece;
the sliding rod comprises a sliding rod body and a sliding head, the sliding head is arranged at one end of the sliding rod body, a threaded hole is formed in the sliding rod body in a direction perpendicular to the axis of the sliding rod body, and the sliding rod is sleeved in the stepped through hole of the sliding rod sleeve;
the limiting screw is matched with the threaded hole and can slide in the waist-shaped sliding groove;
one end of the spring is abutted against the step of the stepped through hole, and the other end of the spring is abutted against the limiting screw;
the first stop block is a plate-shaped piece with a slope at the upper end and is in contact with one end of the slide rod with the slide head;
and the second stop block is a cuboid plate and is in contact with one end, far away from the sliding head, of the sliding rod.
When one of two adjacent circuit breakers is switched on upwards, one end of the sliding rod with the sliding head touches the slope surface of the first stop block from top to bottom to the vertical surface to drive the sliding rod to move towards the other circuit breaker, and the end, far away from the sliding head, of the sliding rod is pressed on the top surface of the second stop block in a pressing mode, so that the other circuit breaker cannot be pushed into the circuit breaker to be switched on;
when the other breaker of two adjacent breakers is switched on upwards, the first breaker must be in a switching-off position, one end of the sliding rod with the sliding head is positioned above the top surface of the first stop block, and one end of the sliding rod, far away from the sliding head, can be separated from the top surface of the second stop block, so that the other breaker is switched on upwards.
Preferably, the stepped through-hole comprises a first hole and a second hole, the junction of the first hole and the second hole constituting the step.
Preferably, the first bore has a diameter greater than an outer diameter of the spring for receiving the spring.
Preferably, the second hole can accommodate the slide bar body, and the slide bar body can smoothly slide therein.
Preferably, both ends of the sliding rod sleeve are provided with external threads or are provided with a through screw rod, and correspondingly, the locking piece is a locking nut.
Preferably, the slide bar body is a cylinder, and the diameter of the slide bar is smaller than the inner diameter of the spring.
Preferably, the slider is hemispherical or semi-ellipsoidal.
Preferably, stop screw includes connecting portion and sliding part, connecting portion are the outer screw rod, the sliding part is the cylinder, and the setting of sliding part can make stop screw's slip more smooth and easy.
Preferably, the spring is a compression spring, and provides elastic force for the movement of the sliding rod.
Preferably, the mounting holes of the first stopper and the second stopper are respectively formed in the bottom surfaces thereof.
Because the utility model adopts the above technical scheme, make the beneficial effect that this application possesses lie in:
1. the utility model discloses a mechanical interlocking device of circuit breaker, including the slide bar cover that is equipped with waist type spout, the slide bar of cover-mounted in the slide bar cover and the stop screw of restriction slide bar displacement, still include the first dog of contact with slide bar one end and the second dog of contact with the slide bar other end, and be equipped with the slope on the first dog, when one circuit breaker of two adjacent circuit breakers upwards closes a floodgate, the slope that slide bar area slippery one end top-down of head touches first dog is to vertical face, drives the slide bar moves towards another circuit breaker direction, the head end pressfitting of keeping away from of slide bar is in the top surface of second dog for another circuit breaker can not be pushed and closed a floodgate, thereby reaches the purpose of interlocking; when the other circuit breaker of two adjacent circuit breakers is switched on upwards, the first circuit breaker is required to be in a switching-off position, one end of the sliding rod with the sliding head is positioned above the top surface of the first stop block, and one end of the sliding rod, far away from the sliding head, can be separated from the top surface of the second stop block, so that the other circuit breaker is switched on upwards, and the purpose of interlocking is achieved. The utility model provides a circuit breaker mechanical interlocking device for a circuit breaker impels combined floodgate work, and another circuit breaker can't impel combined floodgate operation, realizes mechanical interlocking's function, and the mechanism is simple, and the reliability is high.
2. The utility model discloses a mechanical interlocking device of a circuit breaker, the spring is arranged in the stepped hole, one end of the spring is abutted against the step of the stepped through hole, and the other end of the spring is abutted against the limit screw; the spring is uniform in deformation, can be repeatedly used and is long in service life, and therefore the reliability of the whole mechanical interlocking device of the circuit breaker is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
fig. 1 is a schematic view of an initial position of a mechanical interlock device of a circuit breaker according to the present invention after installation;
fig. 2 is a schematic diagram of a closing state of a first circuit breaker of a mechanical interlock apparatus for a circuit breaker according to the present invention;
fig. 3 is a schematic diagram of a second circuit breaker closing state of the mechanical interlock device of the circuit breaker of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a cross-sectional view of a slide bar sleeve of a mechanical interlock device of a circuit breaker according to the present invention;
fig. 6 is a front view of a slide bar of a mechanical interlock device for a circuit breaker according to the present invention;
the reference numbers are as follows:
1. a circuit breaker mechanical interlock; 11. a slide bar sleeve; 111. a stepped through hole; 112. a waist-shaped chute; 12. A slide bar; 121. a slide bar body; 122. sliding the head; 123. a threaded hole; 13. a limit screw; 14. a spring; 15. a locking member; 16. a first stopper; 161. a slope surface; 162. a vertical plane; 17. a second stopper;
2. a first circuit breaker; 3. a first circuit breaker cabinet housing; 4. a second circuit breaker; 5. a second circuit breaker cabinet housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators such as the first, second, upper, lower, left, right, front and rear … … in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention will be further described with reference to the following figures:
referring to fig. 1-6, the utility model provides a circuit breaker mechanical interlock, include:
the sliding rod sleeve 11 is provided with a step through hole 111 along the axis direction, a waist-shaped sliding groove 112 which is communicated with the step through hole 111 is arranged in the direction vertical to the axis direction, and the sliding rod sleeve 11 is arranged in a hole of the cabinet shell which is contacted with two adjacent circuit breakers to be interlocked in a penetrating way; and is axially positioned by the locking piece 15;
the sliding rod 12, the sliding rod 12 includes a sliding rod body 121 and a sliding head 122, the sliding head 121 is arranged at one end of the sliding rod body 121, a threaded hole 123 is arranged on the sliding rod body 121 in a direction perpendicular to the axis direction, and the sliding rod 12 is sleeved in the stepped through hole 111 of the sliding rod sleeve 11;
the limiting screw 13 is matched with the threaded hole 123, and the limiting screw 13 can slide in the waist-shaped sliding groove 112;
one end of the spring 14 is abutted against the step of the stepped through hole 111, and the other end is abutted against the limit screw 13;
the first stopper 16 is a plate-shaped member with a slope at the upper end, and is in contact with one end of the slide rod 12 with the slide head 122;
the second stopper 17 is a rectangular plate, and contacts with one end of the slide rod 12 far away from the slide head 122.
For convenience of explanation, two adjacent circuit breakers are named as a first circuit breaker 2 and a second circuit breaker 4, and corresponding to the two adjacent circuit breakers, the cabinet housings of the two adjacent circuit breakers are named as a first circuit breaker cabinet housing 3 and a second circuit breaker cabinet housing 5. Through holes for the sliding rod sleeves 11 to pass through are respectively formed in the first breaker cabinet shell 3 and the second breaker cabinet shell 5 at the same height of the adjacent surfaces.
When the first circuit breaker 2 is switched on upwards, one end of the sliding rod 12 with the sliding head 122 touches the slope surface 161 of the first stopper 16 to the vertical surface 162 from top to bottom, so as to drive the sliding rod 12 to move towards the end of the second circuit breaker 4, and the other end of the sliding rod 12 is pressed on the top surface of the second stopper 17, so that the second circuit breaker 4 is in an open state;
when the second circuit breaker 4 is switched on upwards, the first circuit breaker 2 is in the switching-off position, one end of the sliding rod 12 with the sliding head 122 is positioned on the top surface of the first stop block 16, and the other end of the sliding rod 12 is separated from the top surface of the second stop block 17, so that the first circuit breaker 2 is in the switching-off state, the interlocking purpose is achieved, namely one circuit breaker pushes the switching-on work, the other circuit breaker can not push the switching-on operation, the mechanical interlocking function is realized, the mechanism is simple, and the reliability is high.
As a preferred embodiment, referring to fig. 5, the stepped through hole 111 includes a first hole and a second hole, the junction of the first hole and the second hole constitutes the step, the arrangement of the stepped through hole 111 provides a receiving space for the arrangement of the spring 14, and simultaneously, one end of the spring 14 is positioned by the formed step, so that the spring 14 is deformed uniformly, and the spring 14 is not easily failed.
In a preferred embodiment, the first bore has a diameter greater than the outer diameter of the spring 14 for receiving the spring 14.
As a preferred embodiment, the second hole can accommodate the sliding rod body 121, and the sliding rod body 121 can slide smoothly therein.
As a preferred embodiment, both ends of the sliding rod sleeve 11 are external threads or are all-body screws, and correspondingly, the locking member 15 is a locking nut, in this embodiment, the sliding rod sleeve 11 is an all-body screw, the locking member 15 is a locking nut, the number of the locking nuts is 2, and the locking nuts are respectively coupled to both ends of the sliding rod sleeve 11, so as to realize the firm fixation of the sliding rod sleeve 11 to the first circuit breaker cabinet housing 3 and the second circuit breaker cabinet housing 5.
In a preferred embodiment, the sliding rod body 121 is a cylinder, and the diameter of the sliding rod 12 is smaller than the inner diameter of the spring 14.
In a preferred embodiment, the slider 122 is semi-spherical or semi-ellipsoidal, and is adapted to slide against the slope of the first stopper.
As a preferred embodiment, the limit screw 13 includes a connecting portion and a sliding portion, the connecting portion is an outer screw rod, the sliding portion is a cylinder, the sliding portion is configured to enable the limit screw to slide more smoothly in the kidney-shaped sliding groove, and in this embodiment, the length of the outer screw rod can penetrate through the diameter direction of the sliding rod sleeve 11.
In a preferred embodiment, the spring 14 is a compression spring providing a spring force for the movement of the slide rod 12.
In a preferred embodiment, the mounting holes of the first stopper 16 and the second stopper 17 are respectively formed in the bottom surfaces thereof, and referring to fig. 1 to 3, the first stopper 16 is mounted on the side surface of the first circuit breaker 2, and the second stopper 17 is mounted on the side surface of the second circuit breaker 4 adjacent to the first circuit breaker 2.
The above is a detailed introduction of the present invention, and the principles and embodiments of the present invention have been explained herein using specific embodiments, and the explanations of the above embodiments are only used to help understand the methods and core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A mechanical interlock for a circuit breaker, comprising:
the sliding rod sleeve is provided with a stepped through hole along the axis direction, a waist-shaped sliding groove communicated with the stepped through hole is arranged in the direction vertical to the axis direction, and the sliding rod sleeve is arranged in an opening of the cabinet body shell which is contacted with two adjacent circuit breakers to be interlocked in a penetrating way; and axial positioning is carried out through a locking piece;
the sliding rod comprises a sliding rod body and a sliding head, the sliding head is arranged at one end of the sliding rod body, a threaded hole is formed in the sliding rod body in a direction perpendicular to the axis of the sliding rod body, and the sliding rod is sleeved in the stepped through hole of the sliding rod sleeve;
the limiting screw is matched with the threaded hole and can slide in the waist-shaped sliding groove;
one end of the spring is abutted against the step of the stepped through hole, and the other end of the spring is abutted against the limiting screw;
the first stop block is a plate-shaped piece with a slope at the upper end and is in contact with one end of the slide rod with the slide head;
and the second stop block is a cuboid plate and is in contact with one end, far away from the sliding head, of the sliding rod.
2. The mechanical interlock of a circuit breaker according to claim 1 wherein said stepped through bore comprises a first bore and a second bore, the juncture of said first bore and said second bore forming said step.
3. A mechanical interlock as claimed in claim 2, wherein said first bore has a diameter greater than the outer diameter of said spring for receiving the spring.
4. The mechanical interlock device for circuit breaker according to claim 2, wherein said second hole is capable of receiving said sliding rod body and said sliding rod body is capable of sliding smoothly therein.
5. The mechanical interlocking device for the circuit breaker according to claim 1 or 2, wherein the two ends of the sliding rod sleeve are provided with external threads or are provided with a through body screw rod, and correspondingly, the locking member is a locking nut.
6. The mechanical interlock device for circuit breaker according to claim 1 or 2, wherein said slide body is a cylinder, and the diameter of said slide is smaller than the inner diameter of said spring.
7. The mechanical interlock of claim 1 wherein said slider is hemispherical or semi-ellipsoidal.
8. The mechanical interlocking device for the circuit breaker as claimed in claim 1, wherein the limiting screw comprises a connecting portion and a sliding portion, the connecting portion is an external screw rod, the sliding portion is a cylinder, and the sliding portion is arranged to enable the limiting screw to slide more smoothly.
9. The mechanical interlock device for circuit breaker according to claim 1, wherein said spring is a compression spring providing a spring force for the movement of said slide rod.
10. The mechanical interlock device for circuit breaker according to claim 1, wherein the mounting holes of the first and second stoppers are respectively formed in the bottom surfaces thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020250596.1U CN211788717U (en) | 2020-03-04 | 2020-03-04 | Mechanical interlocking device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020250596.1U CN211788717U (en) | 2020-03-04 | 2020-03-04 | Mechanical interlocking device of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211788717U true CN211788717U (en) | 2020-10-27 |
Family
ID=72903290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020250596.1U Active CN211788717U (en) | 2020-03-04 | 2020-03-04 | Mechanical interlocking device of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211788717U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377968A (en) * | 2020-11-09 | 2021-02-19 | 宁波公牛电器有限公司 | Bathroom heater switch and bathroom heater |
| CN113140418A (en) * | 2021-03-22 | 2021-07-20 | 威胜电气有限公司 | Double-incoming-line spare power automatic switching mechanical interlocking device and ring main unit |
-
2020
- 2020-03-04 CN CN202020250596.1U patent/CN211788717U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377968A (en) * | 2020-11-09 | 2021-02-19 | 宁波公牛电器有限公司 | Bathroom heater switch and bathroom heater |
| CN113140418A (en) * | 2021-03-22 | 2021-07-20 | 威胜电气有限公司 | Double-incoming-line spare power automatic switching mechanical interlocking device and ring main unit |
| CN113140418B (en) * | 2021-03-22 | 2022-05-20 | 威胜电气有限公司 | Double-incoming-line spare power automatic switching mechanical interlocking device and ring main unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211788717U (en) | Mechanical interlocking device of circuit breaker | |
| AR029246A1 (en) | MECHANICAL INTERLOCK WITH OVERLOAD COMPENSATION TO COORDINATE THE OPERATION OF CIRCUIT SWITCHES | |
| CN1745980A (en) | Be used for device and accumulator cell assembly with electric tools and accumulator cell assembly locking | |
| US8011946B2 (en) | Electrical connector assembly, plug, and socket | |
| CN106992085B (en) | Micro-motion limit general switch | |
| CN114142154A (en) | Battery compartment device and man-machine interaction equipment | |
| US10056213B1 (en) | Electromagnetic switch protection structure | |
| CN206349315U (en) | The auxiliary switch of breaker of plastic casing | |
| CN209958979U (en) | Anti-error electronic padlock | |
| JP4149907B2 (en) | power outlet | |
| CN201421805Y (en) | Magnetic switch | |
| CN215731366U (en) | Cylindrical travel switch | |
| US8143544B2 (en) | Switch | |
| CN202221827U (en) | An anti-loosening socket connector clamped tightly in an elastic manner | |
| CN202796575U (en) | Three-reed microswitch | |
| US6335674B1 (en) | Circuit breaker with a push button | |
| CN213402210U (en) | Valve device for low-voltage switch cabinet drawer | |
| CN211670350U (en) | Circuit safety connecting device | |
| CN220138726U (en) | Contact connector | |
| TWI620218B (en) | Keyboard switch assembly and mechanical keyboard | |
| CN211401450U (en) | Wireless temperature measuring device convenient to installation | |
| CN215299599U (en) | Prevent singly inserting wall socket | |
| CN209880428U (en) | Switch state display | |
| CN219576072U (en) | Push type anti-drop safety socket | |
| CN214042235U (en) | Login device for safety authentication based on block chain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 411201 28 Bai Shi Road, Jing Kai District, Xiangtan, Hunan Patentee after: Weisheng Energy Technology Co.,Ltd. Address before: 411201 28 Bai Shi Road, Jing Kai District, Xiangtan, Hunan Patentee before: WASION ELECTRIC Co.,Ltd. |