CN219605079U - Locking structure and double locking device - Google Patents
Locking structure and double locking device Download PDFInfo
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- CN219605079U CN219605079U CN202320049913.7U CN202320049913U CN219605079U CN 219605079 U CN219605079 U CN 219605079U CN 202320049913 U CN202320049913 U CN 202320049913U CN 219605079 U CN219605079 U CN 219605079U
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- hinge
- locking
- movable part
- electromagnetic lock
- closure
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Abstract
The utility model discloses a locking structure and a double locking device, wherein the double locking device comprises a locking structure, the locking structure is used for locking a rotating handle of an electromagnetic lock, the double locking device comprises a fixed part and a movable part rotationally connected with the fixed part, the movable part is provided with a limiting part, the movable part is provided with a locking position which is close to the electromagnetic lock to enable the limiting part to limit the rotating handle on a rotating path of the movable part, and the movable part is provided with an unlocking position which is far away from the electromagnetic lock to enable the limiting part to be released from the rotating handle. The locking structure provided by the utility model can avoid that an operator directly opens the electromagnetic lock under the condition that whether the electromagnetic lock is electrified or not is not confirmed, so that the possibility of safety accidents is reduced.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to a locking structure and a double locking device.
Background
The handle type electromagnetic lock is an interlocking device of an electric control mechanism for preventing misoperation of high-voltage switchgear electric appliances, is mainly suitable for interlocking parts, such as front and rear cabinet doors, isolating switches, circuit breakers, grounding wires and the like, of indoor high-voltage switchgear and is an indispensable locking device for power generation and power supply departments.
At present, most of using modes of handle type electromagnetic locks such as domestic and foreign power plants and substations are connected into the electromagnetic locks through dry connection points, and the dry connection points adopt circuit breaker position contacts or other position contacts, so that the purposes of locking the cabinet door of the electrical equipment and preventing the electrified opening are achieved when the equipment is electrified.
The major problem faced by the mode is that after the on-site electrical equipment is aged or the control loop is disconnected, the electromagnetic lock cannot effectively collect the position signal of the circuit breaker, so that the electromagnetic lock is invalid, and at the moment, the cabinet door of the electrical equipment is opened in an electrified mode, so that personal electric shock accidents are very easy to happen.
Disclosure of Invention
The utility model mainly aims to provide a locking structure and a double locking device, which can avoid that an operator directly opens an electromagnetic lock under the condition that whether the electromagnetic lock is electrified or not is not confirmed, so as to reduce the possibility of safety accidents.
In order to achieve the above-mentioned objective, the present utility model provides a locking structure for locking a rotating handle of an electromagnetic lock, the locking structure includes a fixed portion and a movable portion rotatably connected to the fixed portion, the movable portion is provided with a limiting portion, wherein the movable portion has a locking position on a rotation path thereof, which is close to the electromagnetic lock to enable the limiting portion to limit the rotating handle, and has an unlocking position, which is far away from the electromagnetic lock to enable the limiting portion to be released from the rotating handle.
Optionally, the locking structure includes hinge subassembly, the hinge subassembly includes first hinge and second hinge, first hinge with connect through the pivot between the second hinge, first hinge is used for forming fixed part, the second hinge is followed the pivot rotates in order to form movable part.
Optionally, the spacing portion is located the second hinge is kept away from the one end of first hinge.
Optionally, the limiting part is formed by bending the second hinge part;
the second hinge is provided with a limiting groove, and the limiting groove is positioned at the bending part of the second hinge and partially penetrates through the limiting part;
when the movable part rotates to the locking position, the rotary handle part is positioned in the limit groove so as to limit the rotation of the rotary handle; when the movable part rotates to the unlocking position, the rotary handle is separated from the limit groove.
Optionally, the limiting part is a bulge formed by protruding the second hinge part, when the movable part rotates to the locking position, the bulge is used for forming an avoidance space with a cabinet door of the electrical equipment, and the rotating handle part is accommodated in the avoidance space, so that the rotation of the rotating handle is limited; when the movable part rotates to the unlocking position, the rotary handle is separated from the avoidance space.
Optionally, the first hinge is provided with a mounting hole, and the mounting hole is used for being matched with the locking piece to fix the first hinge.
Optionally, the mounting hole is equipped with a plurality of, and a plurality of the mounting hole interval is located on the first hinge.
Optionally, two first rotating shaft sleeves are formed at one end of the first hinge, which is close to the second hinge, and are arranged at intervals;
a second rotating shaft sleeve is formed at one end, close to the first hinge, of the second hinge, and the second rotating shaft sleeve is positioned between the two first rotating shaft sleeves;
the rotating shaft penetrates through the two first rotating shaft sleeves and the second rotating shaft sleeve to rotationally connect the first hinge and the second hinge.
Optionally, the fixing portion includes a first mounting boss, and the first mounting boss is provided with a first lock hole;
the movable part comprises a second installation boss, and a second lock hole is formed in the second installation boss;
when the movable part rotates to the locking position, the first installation boss and the second installation boss are oppositely arranged, and the first lock hole is communicated with the second lock hole so as to be used for installing a padlock; when the movable part rotates to the unlocking position, the first lock hole and the second lock hole are staggered.
The utility model further provides a double locking device which is arranged on a cabinet door of the electrical equipment and comprises an electromagnetic lock and a locking structure, wherein the electromagnetic lock comprises a rotating handle, the locking device is used for locking the rotating handle of the electromagnetic lock, the locking structure comprises a fixed part and a movable part rotationally connected with the fixed part, and a limiting part is arranged on the movable part, wherein the movable part is provided with a locking position close to the electromagnetic lock on a rotating path so that the limiting part limits the rotating handle, and an unlocking position far away from the electromagnetic lock so that the limiting part and the rotating handle are released from limit.
According to the locking structure, the rotating handle of the electromagnetic lock is locked through the fixed part and the movable part which are fixedly arranged and are rotatably arranged, so that a mechanical locking point which needs to be confirmed manually is provided, after the electromagnetic lock fails, if no operator opens the locking structure, the subsequent operator can be reminded that the electromagnetic lock is in a charged state, the cabinet door of the electrical equipment cannot be opened, personal safety of the operator can be guaranteed, and potential safety hazards are eliminated.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a locking structure according to the present utility model;
FIG. 2 is a schematic view of a dual latch according to an embodiment of the present utility model.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 1000 | Dual locking device | 2 | Movable part |
| 100 | Locking structure | 21 | Second hinge |
| 1 | Fixing part | 211 | Limiting groove |
| 11 | First hinge | 212 | Second rotating shaft sleeve |
| 111 | Mounting hole | 213 | Second mounting boss |
| 112 | First rotating shaft sleeve | 3 | Limiting part |
| 113 | First mounting boss | 200 | Electromagnetic lock |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The handle type electromagnetic lock is an interlocking device of an electric control mechanism for preventing misoperation of high-voltage switchgear electric appliances, is mainly suitable for interlocking parts, such as front and rear cabinet doors, isolating switches, circuit breakers, grounding wires and the like, of indoor high-voltage switchgear and is an indispensable locking device for power generation and power supply departments.
At present, most of using modes of handle type electromagnetic locks such as domestic and foreign power plants and substations are connected into the electromagnetic locks through dry connection points, and the dry connection points adopt circuit breaker position contacts or other position contacts, so that the purposes of locking the cabinet door of the electrical equipment and preventing the electrified opening are achieved when the equipment is electrified.
The major problem faced by the mode is that after the on-site electrical equipment is aged or the control loop is disconnected, the electromagnetic lock cannot effectively collect the position signal of the circuit breaker, so that the electromagnetic lock is invalid, and at the moment, the cabinet door of the electrical equipment is opened in an electrified mode, so that personal electric shock accidents are very easy to happen.
In view of this, the present utility model provides a locking structure 100, which can avoid an operator directly opening the electromagnetic lock 200 without confirming whether the electromagnetic lock 200 is electrified, so as to reduce the possibility of safety accidents. Fig. 1-2 illustrate an embodiment of a locking structure 100 and a dual locking device 1000 according to the present utility model.
The utility model discloses a locking structure 100 for locking a rotating handle of an electromagnetic lock 200, wherein the locking structure 100 comprises a fixed part 1 and a movable part 2 rotatably connected with the fixed part 1, and a limiting part 3 is arranged on the movable part 2, wherein the movable part 2 is provided with a locking position which is close to the electromagnetic lock 200 and enables the limiting part 3 to limit the rotating handle, and an unlocking position which is far away from the electromagnetic lock 200 and enables the limiting part 3 to be released from the rotating handle on a rotating path.
According to the locking structure 100 provided by the utility model, the rotating handle of the electromagnetic lock 200 is locked through the fixed part 1 and the movable part 2 which are fixedly arranged, which is equivalent to providing a mechanical locking point which needs to be confirmed manually, when the electromagnetic lock 200 fails, if no operator opens the locking structure 100, the operator can be reminded that the electromagnetic lock 200 is in a charged state, and the cabinet door of the electrical equipment cannot be opened, so that the personal safety of the operator can be ensured, and the potential safety hazard is eliminated.
Further, the locking structure 100 includes a hinge assembly, which is generally and synchronously disposed on a cabinet door of an electrical apparatus with the electromagnetic lock 200, so as to implement double locking on the cabinet door, specifically, the hinge assembly includes a first hinge 11 and a second hinge 21, the first hinge 11 is connected with the second hinge 21 through a rotating shaft, the first hinge 11 is used for forming the fixed portion 1, and the second hinge 21 rotates along with the rotating shaft to form the movable portion 2. Generally, the rotating handle of the electromagnetic lock 200 is fixed at one side of the electromagnetic lock 200 when the electromagnetic lock 200 is in a locking state, so that the locking structure 100 locks the rotating handle conveniently, the locking structure 100 is generally opposite to the rotating handle and is arranged at the same side of the electromagnetic lock 200, and the second hinge 21 is arranged between the first hinge 11 and the electromagnetic lock 200.
In order to facilitate the cooperation of the limiting portion 3 and the rotating handle, the limiting portion 3 is disposed at one end of the second hinge 21 away from the first hinge 11, it can be known that the manner in which the limiting portion 3 is disposed on the second hinge 21 may be multiple cases, or may be integrally disposed with the second hinge 21 or may be separately disposed with the second hinge 21, in this embodiment, the limiting portion 3 and the second hinge 21 are integrally formed, specifically, referring to fig. 1, the limiting portion 3 is formed by bending a portion of the second hinge 21, the bending direction faces a side away from the cabinet door, the second hinge 21 is provided with a limiting groove 211, the limiting groove 211 is located at a bending position of the second hinge 21, and a portion of the limiting portion extends through the limiting portion 3, where, when the movable portion 2 rotates to the locking position, the rotating handle is located at the limiting groove 211, so that the rotation of the rotating handle is limited; when the movable part 2 rotates to the unlocking position, the rotating handle is separated from the limiting groove 211. When the locking is needed, the second hinge 21 is only required to be turned over to the side close to the electromagnetic lock 200, the limiting groove 211 can enclose one end of the rotating handle along with the rotation of the second hinge 21, at this time, the rotating handle cannot rotate to realize locking, when the unlocking is needed, the second hinge 21 is only required to be turned over to be overlapped with the first hinge 11, the limiting groove 211 does not play a limiting role any more, and the rotating handle can rotate freely.
In other embodiments, the limiting portion 3 may be a bulge formed by partially protruding the second hinge 21, and when the movable portion 2 rotates to the locking position, the bulge is used to form an avoidance space with a cabinet door of the electrical apparatus, and the rotating handle portion is accommodated in the avoidance space, so that rotation of the rotating handle is limited; when the movable part 2 rotates to the unlocking position, the rotating handle is separated from the avoidance space, so that the second hinge 21 can be arranged without grooving, and the bulge can be formed by direct stamping, so that the working procedure and the manufacturing cost are saved.
For convenience the first hinge 11 is fixed on electrical equipment, the first hinge 11 is provided with a mounting hole 111, the mounting hole 111 is used for being matched with a locking piece to fix the first hinge 11, and the locking piece can be a fastening pin or a fastening screw, and is not particularly limited. Of course, in order to make the fixed mode more stable, the mounting hole 111 can be equipped with a plurality of, and is a plurality of the mounting hole 111 interval is located on the first hinge 11, so, can avoid in long-time use, the retaining member inefficacy and lead to first hinge 11 drops from electrical equipment, causes the potential safety hazard.
For the easy to assemble the pivot, so that first hinge 11 with second hinge 21 can relative rotation, in this embodiment, first hinge 11 is close to the one end of second hinge 21 is formed with two first pivot sleeves 112 that the interval set up, second hinge 21 is close to the one end of first hinge 11 is formed with second pivot sleeve 212, second pivot sleeve 212 is located two between the first pivot sleeve 112, the pivot wear to locate two first pivot sleeves 112 with second pivot sleeve 212, in order to rotate and connect first hinge 11 with second hinge 21. It should be noted that, the first rotating shaft sleeve 112 and the second rotating shaft sleeve 212 may be separately formed by machining, and are respectively connected with the first hinge 11 and the second hinge 21 by welding, so that difficulties of integral forming machining are avoided, and the first rotating shaft sleeve 112 may be provided with only one first rotating shaft sleeve, but it should be noted that, when the rotating shaft is fixed, fixing members, such as welding fixing blocks or screw structure connecting nuts, need to be additionally provided at two ends of the rotating shaft, so as to prevent the rotating shaft from being separated from the shaft hole.
In order to prevent the locking structure 100 from losing the locking function under the influence of vibration or external force, in this embodiment, the fixed portion 1 includes a first mounting boss 113, the first mounting boss 113 is provided with a first lock hole, the movable portion 2 includes a second mounting boss 213, the second mounting boss 213 is provided with a second lock hole, wherein when the movable portion 2 rotates to the locking position, the first mounting boss 113 is opposite to the second mounting boss 213, and the first lock hole is communicated with the second lock hole for mounting a padlock; when the movable part 2 rotates to the unlocking position, the first lock hole and the second lock hole are staggered. For convenience in manufacturing, the first mounting boss 113 and the second mounting boss 213 may be formed by bending the first hinge 11 and the second hinge 21 toward a side away from the electrical apparatus, and the padlock may be matched with the locking structure 100 together, so as to provide a mechanical locking point that needs to be manually confirmed, and an operator needs to confirm in advance whether the electromagnetic lock 200 is electrified and then determine whether to open the padlock, so as to avoid false unlocking, and comprehensively ensure personal safety.
The utility model also discloses a double locking device 1000, which is used for being arranged on a cabinet door of an electrical device, the double locking device 1000 comprises an electromagnetic lock 200 and a locking structure 100, the electromagnetic lock 200 comprises a rotating handle, the specific structure of the locking structure 100 refers to the embodiment, and the locking structure 100 adopts all the technical schemes of the embodiment, so that the double locking device at least has all the beneficial effects brought by the technical schemes of the embodiment, and the description is omitted.
Therefore, the above description is only the preferred embodiments of the present utility model, and not the limitation of the scope of the present utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. The utility model provides a locking structure for carry out the closure to the twist grip of electromagnetic lock, its characterized in that, locking structure includes fixed part and rotates to be connected the movable part of fixed part is equipped with spacing portion on the movable part, wherein, the movable part has on its rotation route and is close to the electromagnetic lock makes spacing portion is spacing twist grip's locking position, and has and keep away from the electromagnetic lock makes spacing portion with twist grip releases spacing unblock position.
2. The closure of claim 1, wherein the closure comprises a hinge assembly comprising a first hinge and a second hinge, the first hinge and the second hinge being connected by a hinge, the first hinge being configured to form the fixed portion, the second hinge being configured to rotate with the hinge to form the movable portion.
3. The locking structure of claim 2, wherein the limiting portion is disposed at an end of the second hinge away from the first hinge.
4. A closure according to claim 3, wherein the stop portion is formed by bending the second hinge portion;
the second hinge is provided with a limiting groove, and the limiting groove is positioned at the bending part of the second hinge and partially penetrates through the limiting part;
when the movable part rotates to the locking position, the rotary handle part is positioned in the limit groove so as to limit the rotation of the rotary handle; when the movable part rotates to the unlocking position, the rotary handle is separated from the limit groove.
5. The locking structure according to claim 3, wherein the limiting portion is a bulge formed by the bulge of the second hinge portion, and when the movable portion rotates to the locking position, the bulge is used for forming an avoidance space with a cabinet door of the electrical equipment, and the rotating handle portion is accommodated in the avoidance space, so that rotation of the rotating handle is limited; when the movable part rotates to the unlocking position, the rotary handle is separated from the avoidance space.
6. The closure structure of claim 2, wherein said first hinge defines a mounting aperture for cooperating with a retaining member to secure said first hinge.
7. The closure of claim 6, wherein a plurality of said mounting holes are provided, and a plurality of said mounting holes are spaced apart on said first hinge.
8. The closure of claim 2, wherein two first pivot sleeves are formed at one end of the first hinge adjacent to the second hinge in spaced relation;
a second rotating shaft sleeve is formed at one end, close to the first hinge, of the second hinge, and the second rotating shaft sleeve is positioned between the two first rotating shaft sleeves;
the rotating shaft penetrates through the two first rotating shaft sleeves and the second rotating shaft sleeve to rotationally connect the first hinge and the second hinge.
9. The locking structure of claim 1, wherein the securing portion includes a first mounting boss, the first mounting boss defining a first locking aperture;
the movable part comprises a second installation boss, and a second lock hole is formed in the second installation boss;
when the movable part rotates to the locking position, the first installation boss and the second installation boss are oppositely arranged, and the first lock hole is communicated with the second lock hole so as to be used for installing a padlock; when the movable part rotates to the unlocking position, the first lock hole and the second lock hole are staggered.
10. A double locking device for being arranged on a cabinet door of an electrical apparatus, characterized in that the double locking device comprises:
an electromagnetic lock comprising a rotating handle; and
a closure comprising a closure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320049913.7U CN219605079U (en) | 2023-01-04 | 2023-01-04 | Locking structure and double locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320049913.7U CN219605079U (en) | 2023-01-04 | 2023-01-04 | Locking structure and double locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219605079U true CN219605079U (en) | 2023-08-29 |
Family
ID=87754617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320049913.7U Active CN219605079U (en) | 2023-01-04 | 2023-01-04 | Locking structure and double locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219605079U (en) |
-
2023
- 2023-01-04 CN CN202320049913.7U patent/CN219605079U/en active Active
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