CN220272396U - Cover plate limiting structure of operating mechanism - Google Patents
Cover plate limiting structure of operating mechanism Download PDFInfo
- Publication number
- CN220272396U CN220272396U CN202321979223.8U CN202321979223U CN220272396U CN 220272396 U CN220272396 U CN 220272396U CN 202321979223 U CN202321979223 U CN 202321979223U CN 220272396 U CN220272396 U CN 220272396U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- mounting base
- operating mechanism
- handle
- handle jack
- 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 title claims abstract description 43
- 239000011324 bead Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Breakers (AREA)
Abstract
The utility model discloses a cover plate limiting structure of an operating mechanism, which is applicable to a molded case circuit breaker operating mechanism and comprises a mechanism shell, a mounting base and a cover plate; the cover plate is connected with the mounting base through the connecting shaft and can rotate around the connecting shaft between the position of shielding the handle jack and the position of avoiding the handle jack, an elastic positioning structure is arranged between the cover plate and the mounting base, and the cover plate is positioned through the elastic positioning structure when being positioned at the position of shielding the handle jack and the position of avoiding the handle jack. According to the utility model, the cover plate is arranged, so that the handle jack is shielded when the operating mechanism is in an automatic operation mode, the protection performance is enhanced, misoperation is avoided, the cover plate is opened and closed through rotation, the operation is convenient, and the practicability is good.
Description
Technical Field
The utility model relates to a molded case circuit breaker operating mechanism, in particular to a cover plate limiting structure of the operating mechanism.
Background
The plastic shell circuit breaker is an electric switching device capable of protecting a circuit, and can bear, close and break the current in a normal loop in real time according to the states of the circuit, such as normal, overload, short circuit, undervoltage and the like, so that the safety of the circuit is ensured. The operating mechanism is an important component of the molded case circuit breaker and is used for controlling the opening and closing actions of the molded case circuit breaker. In order to perform on-site manual operation opening and closing and remote automatic operation opening and closing on a molded case circuit breaker, an operating mechanism used on the existing molded case circuit breaker is mostly provided with a manual driving assembly and an electric driving assembly, remote automatic control is realized through motor output power by the electric driving assembly, on-site manual control is realized through the manual driving assembly, and when manual operation is performed, a manual operation handle passes through a handle jack on a mechanism shell and then is matched with the manual driving assembly to rotate so as to control the molded case circuit breaker to perform opening and closing. However, the handle jacks in the existing operating mechanism are mostly open, so that the protection performance is poor, and misoperation of non-professional personnel is easy to occur.
Disclosure of Invention
In addition, the cover plate can rotate between a position for shielding the handle jack and a position for avoiding the handle jack, and the cover plate is convenient to open and close.
The technical scheme for realizing the aim of the utility model is as follows:
the utility model provides a cover plate limiting structure of an operating mechanism, which comprises a mechanism shell, a mounting base and a cover plate, wherein the upper part of the mechanism shell is provided with a handle jack; the cover plate is connected with the mounting base through the connecting shaft and can rotate around the connecting shaft between the position of shielding the handle jack and the position of avoiding the handle jack, an elastic positioning structure is arranged between the cover plate and the mounting base, and the cover plate is positioned through the elastic positioning structure when being positioned at the position of shielding the handle jack and the position of avoiding the handle jack.
In a further technical scheme, an operation part is arranged on the upper part of the cover plate, and a perforation is arranged on the mechanism shell corresponding to the operation part.
In a further technical scheme, the operation part is an upward convex handle, and the convex handle extends out of the mechanism shell through the perforation.
In a further technical scheme, the connecting shaft is fixed on the mounting base, and the cover plate is provided with a connecting hole sleeved with the connecting shaft.
In a further technical scheme, the mounting base is provided with a micro switch, the cover plate is provided with a triggering part, the triggering part triggers the micro switch when the cover plate rotates to a position avoiding the handle jack, and the micro switch is triggered to control the driving motor of the electric driving assembly to be powered off.
In still further technical scheme, the elastic positioning structure is including locating the elastic positioning piece on the mounting base and locating the constant head tank on the apron, the constant head tank is two that the interval set up, and the apron is in respectively shelter from handle jack position and avoid handle jack position the elastic positioning piece forms the cooperation with corresponding constant head tank.
In a further technical scheme, two positioning grooves on the side part of the cover plate are connected through convex arc surfaces in a transition mode.
In a further technical scheme, the mounting base is provided with a mounting cavity, and the elastic positioning piece comprises a positioning bead arranged in the mounting cavity and a spring for providing elastic force for the positioning bead.
In a further technical scheme, the convex handle is provided with a lead sealing hole, and the mounting base is provided with a lead sealing buckle.
The utility model has the positive effects that:
1. according to the utility model, the cover plate is rotated to a position avoiding the handle jack when the operating mechanism is manually controlled, the cover plate is rotated to a position where the cover plate shields the handle jack when manual operation is not performed, and the handle jack is shielded and sealed through the cover plate, so that the protection performance is improved, and manual misoperation can be prevented to a certain extent; and through setting up elastic positioning structure and can fix a position the apron, prevent that the apron from rotating easily.
2. According to the utility model, the micro switch is arranged on the mounting base, the trigger part is arranged on the cover plate, the trigger part triggers the micro switch when the cover plate rotates to avoid the position of the handle jack, and the micro switch is triggered to control the power-off of the driving motor of the electric driving assembly, so that the cover plate is prevented from entering an automatic operation mode when avoiding the position of the handle jack (namely, a manual operation mode), and the operation safety and reliability are ensured.
3. According to the utility model, the elastic positioning structure comprises the elastic positioning piece arranged on the mounting base and the positioning grooves arranged on the cover plate and close to one end side part of the connecting shaft, wherein the two positioning grooves are arranged at intervals, and the elastic positioning piece is matched with the corresponding positioning groove when the cover plate is respectively positioned at the position of shielding the handle jack and the position of avoiding the handle jack, so that the cover plate can be positioned, the cover plate is prevented from easily rotating, and the elastic positioning structure is simple and feasible.
Drawings
These and/or other aspects, features and advantages of the present disclosure will become more apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:
FIG. 1 is a schematic view of a cover plate limiting structure in the present utility model;
FIG. 2 is a schematic view of the cover plate limiting structure of FIG. 1 with the mechanism housing removed;
FIG. 3 is a schematic view of the cover plate limiting structure shown in FIG. 2 with the cover plate removed;
fig. 4 is a schematic structural view of a cover plate in the present utility model.
The reference numerals shown in the figures are: 1-a mechanism housing; 11-handle jack; 12-perforating; 2-a mounting base; 21-a mounting cavity; 22-positioning beads; 23-lead sealing buckle; 3-cover plate; 31-an operation part; 311-lead sealing holes; 32-a trigger part; 33-positioning grooves; 34-arc surface; 35-connecting holes; 4-connecting shafts; 5-micro switch.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model.
The cover plate limiting structure of the operating mechanism in the embodiment, as shown in fig. 1 to 4, comprises a mechanism shell 1 with a handle jack 11 arranged at the upper part, a mounting base 2 arranged in the mechanism shell 1 and a cover plate 3 arranged on the mounting base 2, wherein the handle jack 11 can be shielded and sealed through the cover plate 3, so that the protection performance is improved, and misoperation can be prevented to a certain extent; in order to facilitate the opening and closing control of the cover plate 3, in this embodiment, the cover plate 3 is rotatably connected with the mounting base 2 through the connecting shaft 4, the cover plate 3 can rotate around the connecting shaft 4 between a position for shielding the handle jack and a position for avoiding the handle jack, when the operating mechanism is operated to switch on or off manually, the cover plate 3 is rotated to a position for avoiding the handle jack, so that the handle jack is opened and inserted into the manual handle to switch on or off the operating mechanism manually, and when the operating mechanism is operated to switch on or off automatically, the cover plate 3 is controlled to rotate to the position for shielding the handle jack; and set up the elastic locating structure between apron 3 and mounting base 2, apron 3 is in when sheltering from handle jack position and is in when avoiding handle jack position to apron 3 location through the elastic locating structure, can prevent like this that apron 3 from rotating easily.
An operation part 31 is arranged at the upper part of the cover plate 3, a perforation 12 is arranged on the mechanism shell 1 corresponding to the position of the operation part 31, and the cover plate 3 can be conveniently rotated through the arranged operation part 31; as a further preferable scheme, the operation part 31 is an upward convex handle, the convex handle extends out of the mechanism housing 1 through the perforation 12, and when the cover plate 3 needs to be rotated, the convex handle is pinched by a hand to rotate, so that the operation is convenient; as a variant embodiment, the operation portion 31 may be a groove provided on the upper surface of the cover plate 3, and the tool may be inserted into the groove to rotate the cover plate 3.
In this embodiment, the connecting shaft 4 is fixed on the mounting base 2, the cover plate 3 is provided with a connecting hole 35 sleeved with the connecting shaft 4, and the cover plate 3 is rotatably connected with the mounting base 2 by sleeving the connecting hole 35 and the connecting shaft 4, and the connecting hole 35 is blocked by the mechanism housing 1 to be reliably matched with the connecting shaft 4.
As a further extension scheme of the scheme in this embodiment, as shown in fig. 2, the mounting base 2 is further provided with a micro switch 5, the cover plate 3 is provided with a trigger portion 32, when the cover plate 3 rotates to a position avoiding the handle jack 11, the trigger portion 32 triggers the micro switch 5, the micro switch 5 is connected with an electric driving component, and when the micro switch 5 is set to trigger, the driving motor of the operating mechanism is controlled to be powered off to close the automatic operation mode, so that the cover plate 3 is prevented from entering the automatic operation mode when avoiding the handle jack 11 (i.e. the manual operation mode), thereby ensuring the use safety and reliability of the operating mechanism.
The elastic positioning structure comprises an elastic positioning piece arranged on the mounting base 2 and positioning grooves 33 arranged on the cover plate 3, wherein the two positioning grooves 33 are arranged at intervals, and the elastic positioning piece is matched with the corresponding positioning groove 33 when the cover plate 3 is respectively positioned at the position of shielding the handle jack and the position of avoiding the handle jack, so that the cover plate 3 can be positioned.
Further, in order to simplify the structure and improve the convenience of assembly, in this embodiment, the mounting base 2 is provided with the mounting cavity 21, the mounting cavity 21 has an opening opened toward the direction of the cover plate 3, the elastic positioning member is mounted in the mounting cavity 21, and the more specific elastic positioning member includes a positioning bead 22 disposed in the mounting cavity 21 and a spring (not shown in the figure) for providing an elastic force to the positioning bead 22, the positioning bead 22 is disposed at the opening of the mounting cavity 21, and the spring provides an elastic force to the positioning bead 22, so that the positioning bead 22 keeps a tendency to move toward the direction of the cover plate 3, and plays a role in positioning the cover plate 3 when the positioning bead 22 is matched with the positioning groove 33.
As shown in fig. 1, in this embodiment, a lead sealing hole 311 is provided on the protruding handle, and a lead sealing buckle 23 is provided at a corresponding position on the mounting base 2, and when the cover plate 3 shields the position of the handle jack, the lead sealing hole 311 and the lead sealing buckle 23 are connected in series by using a lead sealing, so that the cover plate is locked at the position of the shielding handle jack, and the cover plate 3 is prevented from being opened by a non-professional person.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. 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. While those obvious variations or modifications which come within the spirit of the utility model remain within the scope of the utility model.
Claims (8)
1. The cover plate limiting structure of the operating mechanism is characterized by comprising a mechanism shell (1) with a handle jack (11) at the upper part, a mounting base (2) arranged in the mechanism shell (1) and a cover plate (3) arranged on the mounting base (2); the cover plate (3) is connected with the mounting base (2) through the connecting shaft (4), and can rotate around the connecting shaft (4) between the position of shielding the handle jack and the position of avoiding the handle jack, an elastic positioning structure is arranged between the cover plate (3) and the mounting base (2), and the cover plate (3) is positioned to the cover plate (3) through the elastic positioning structure when being positioned at the position of shielding the handle jack and the position of avoiding the handle jack.
2. The cover plate limiting structure of the operating mechanism according to claim 1, wherein the upper portion of the cover plate (3) is provided with an operating portion (31), and the mechanism housing (1) is provided with a through hole (12) corresponding to the operating portion (31).
3. The cover plate limiting structure of the operating mechanism according to claim 2, wherein the operating portion (31) is an upward protruding handle, and the protruding handle protrudes from the mechanism housing (1) through the through hole (12).
4. The cover plate limiting structure of the operating mechanism according to claim 1, wherein the connecting shaft (4) is fixed on the mounting base (2), and the cover plate (3) is provided with a connecting hole (35) sleeved with the connecting shaft (4).
5. The cover plate limiting structure of the operating mechanism according to claim 1, wherein the mounting base (2) is further provided with a micro switch (5), the cover plate (3) is provided with a trigger part (32), the trigger part (32) triggers the micro switch (5) when the cover plate (3) rotates to a position avoiding a handle jack, and the micro switch (5) is triggered to control a driving motor of the electric driving assembly to be powered off.
6. The cover plate limiting structure of the operating mechanism according to claim 1, wherein the elastic positioning structure comprises an elastic positioning piece arranged on the mounting base (2) and positioning grooves (33) arranged on the cover plate (3), the two positioning grooves (33) are arranged at intervals, and the elastic positioning piece is matched with the corresponding positioning groove (33) when the cover plate (3) is respectively positioned at a position for shielding the handle jack and a position for avoiding the handle jack.
7. The cover plate limiting structure of the operating mechanism according to claim 6, wherein the mounting base (2) is provided with a mounting cavity (21), and the elastic positioning piece comprises a positioning bead (22) arranged in the mounting cavity (21) and a spring for providing elastic force for the positioning bead (22).
8. A cover plate limiting structure of an operating mechanism according to claim 3, wherein the protruding handle is provided with a lead sealing hole (311), and the mounting base (2) is provided with a lead sealing buckle (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321979223.8U CN220272396U (en) | 2023-07-26 | 2023-07-26 | Cover plate limiting structure of operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321979223.8U CN220272396U (en) | 2023-07-26 | 2023-07-26 | Cover plate limiting structure of operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220272396U true CN220272396U (en) | 2023-12-29 |
Family
ID=89319245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321979223.8U Active CN220272396U (en) | 2023-07-26 | 2023-07-26 | Cover plate limiting structure of operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220272396U (en) |
-
2023
- 2023-07-26 CN CN202321979223.8U patent/CN220272396U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106057600B (en) | Reclosing device of circuit breaker | |
| CN113053687B (en) | Control mechanism capable of remotely unlocking and releasing energy and rotary switch | |
| EP4174893A1 (en) | Rotary switch | |
| CN110942946A (en) | Automatic switch-off mechanism | |
| CN204927213U (en) | Automatic divide closing operation device | |
| CN220272396U (en) | Cover plate limiting structure of operating mechanism | |
| CN213691934U (en) | Mechanical tripping device of intelligent circuit breaker | |
| CN109273302B (en) | Electric operating mechanism of circuit breaker | |
| CN108878227B (en) | Novel circuit breaker with automatic switching-on and switching-off function | |
| CN213635834U (en) | Reclosing switching device of high-voltage outdoor pole-mounted circuit breaker and load switch | |
| CN213877980U (en) | Reset indicating device of residual current circuit breaker | |
| CN109216124B (en) | Electric operating device drive tripping linkage mechanism | |
| CN209896009U (en) | Automatic switching-on and switching-off circuit breaker | |
| EP1548784B1 (en) | Interlocking apparatus of a leading under voltage trip mechanism for manual motor starter | |
| CN212725073U (en) | Actuating mechanism of dual-power switch | |
| CN219267578U (en) | Electric operating mechanism | |
| CN113327824A (en) | Residual current operated circuit breaker operating device and residual current operated circuit breaker | |
| CN221101985U (en) | Electric operating mechanism | |
| CN109346388B (en) | Circuit breaker with electric operating device | |
| CN217114282U (en) | Locking assembly of electric operating mechanism | |
| CN109216123B (en) | Driving transmission mechanism of electric operating device | |
| CN109346385B (en) | Handle mechanism of miniature circuit breaker | |
| CN211376563U (en) | Residual current operated circuit breaker operating device and residual current operated circuit breaker | |
| CN208336128U (en) | A kind of plastic housing leakage circuit breakers coincidence brake mechanism | |
| CN109950105B (en) | Electric operating mechanism for circuit breaker and circuit breaker using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |