CN212516970U

CN212516970U - Mechanical program lock and switch cabinet

Info

Publication number: CN212516970U
Application number: CN202021518081.1U
Authority: CN
Inventors: 邹青; 李美名; 周伟建; 周大文; 聂星星
Original assignee: Jiangxi Taikai Apparatus Complete Co ltd
Current assignee: Jiangxi Taikai Apparatus Complete Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-02-09
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a mechanical program lock, belonging to the field of electrical switch equipment, which comprises a lock body main body part, wherein a rotatable lock core is arranged on the lock body main body part; the lock body matching part is provided with a linkage piece, a limiting piece and a linkage mechanism, the linkage piece can rotate along with the rotation of the lock core, and the linkage mechanism can link the limiting piece to perform lifting motion when the linkage piece rotates. The mechanical program lock of the utility model drives the linkage piece to rotate through the lock core, and the linkage piece is linked with the limiting piece to carry out lifting motion through the linkage mechanism when rotating; the utility model also discloses a cubical switchboard that contains this lock and the application method of this lock to the realization realizes the operation of pushing of circuit breaker on the cubical switchboard, solved the operation that traditional lock needs the cubical switchboard door and whether can take the uncontrollable nature of procedure lock to the circuit breaker, use, operation safe and reliable easy to assemble more.

Description

Mechanical program lock and switch cabinet

Technical Field

The utility model relates to an electrical switching equipment field, concretely relates to mechanical program lock, cubical switchboard and application method thereof.

Background

The mechanical program lock forces an operator to operate electrical equipment correctly according to a set safe operation program, so that misoperation of the electrical equipment is avoided, the requirement of five prevention is met perfectly, and the traditional mechanical program lock (three locks and two keys) has the following defects: (1) the circuit breaker is required to be worn, the cost is high, the matching between the switch cabinet and the circuit breaker is also required to be considered, and the engineering quantity is large; (2) at present, because the number of mechanical program locks of a breaker body is small, a switch cabinet manufacturer needs to purchase the mechanical program locks by himself, but the switch cabinet manufacturer needs to arrange the program locks on holes on the breaker; the panel of the circuit breaker is thick and not easy to be provided with holes, and the folded edge beside the circuit breaker is not beneficial to installing a program lock; (3) the mechanical program lock is not installed, and the misoperation is easy to occur by the electric program lock; (4) the mechanical program lock is operated by opening the door of the switch cabinet, so that the switch cabinet is unsafe for operators.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a mechanical procedure lock.

The technical solution of the utility model is as follows:

a mechanical program lock comprising:

a lock body portion having a rotatable lock cylinder thereon;

the lock body matching part is provided with a linkage piece, a limiting piece and a linkage mechanism, and the linkage piece can rotate along with the lock core; the linkage mechanism comprises a fixed seat and a blocking part, the limiting part is movably arranged on the fixed seat, the fixed seat is fixedly connected with the linkage part to rotate along with the fixed seat, the blocking part is abutted against the limiting part, and the blocking part can be linked with the limiting part to act when the fixed seat rotates.

Preferably, the lock body matching part further comprises a first elastic device, and the first elastic device is used for driving the limiting member to reset.

Preferably, the linkage part is a linkage rod, one end of the linkage rod is fixedly connected with the lock cylinder, the other end of the linkage rod is hinged with a movable seat, and the blocking part is one side edge on the movable seat.

Preferably, the lock body fitting portion further comprises a second elastic means for driving the return of the movable holder.

Preferably, a movable hole is formed in the movable seat, the limiting part is a limiting pin, the lower end of the limiting pin is rotatably arranged on a bolt, the bolt is fixed on the fixed seat, and two ends of the bolt are respectively arranged in the movable hole.

Preferably, the lock body portion includes a key capable of driving the lock cylinder to rotate.

The utility model also discloses a switch cabinet, including the cabinet body that is used for placing the circuit breaker, a median septum has on the cabinet body, install on the median septum as above mechanical procedure lock, still be provided with on the cabinet body and be used for the drive the circuit breaker gets into the drive arrangement in work position or return test position.

Preferably, the middle partition plate is provided with a through hole, and a limiting piece on the mechanical program lock can move up and down in the through hole to allow or limit the movement of the circuit breaker.

The utility model also discloses a use method of cubical switchboard as in the right, including following step: and starting the mechanical program lock, enabling the limiting part on the mechanical program lock to descend, driving the circuit breaker to enter a working position or return to a test position by the driving device, closing the mechanical program lock, and enabling the limiting part on the mechanical program lock to ascend to limit the circuit breaker to move.

The utility model discloses one of following beneficial effect has at least:

(1) the utility model discloses a mechanical program lock drives the link through rotatable lock core and rotates, carries out elevating movement through link gear linkage locating part when the link rotates to realize the action of opening and shutting of mechanical program lock, the commonality is good, operation safe and reliable.

(2) The utility model discloses a switch cabinet sets up mechanical procedure lock on the median septum of the cabinet body, need not to carry out the operation of switch cabinet door and just can realize or prevent the work of pushing of circuit breaker, convenient, safe and reliable.

(3) The utility model discloses a method for using of cubical switchboard has solved the operation that traditional lock needs the cabinet door of opening and can take the uncontrollable nature of procedure lock to the circuit breaker, and use, operation safe and reliable are installed and operated to convenience more.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic cross-sectional view of a first embodiment of the invention;

fig. 4 is a state diagram of the first embodiment of the present invention when the key is not turned;

fig. 5 is a state diagram of the first embodiment of the present invention when the key is turned;

fig. 6 is a schematic structural diagram of a lock cylinder in a first embodiment of the present invention;

fig. 7 is a schematic structural view of a key according to a first embodiment of the present invention;

fig. 8 is a schematic structural view of a second embodiment of the present invention;

in the figure, 1-linkage rod, 2-supporting fixing plate, 3-lock cylinder, 4-key, 5-fixing seat, 6-limiting part, 7-bolt, 8-spring, 9-connecting rod fixing card, 10-fixing pin, 11-middle partition plate, 12-cabinet body, 13-circuit breaker, 14-lock body main part, 15-lock body matching part, 16-movable seat, 17-movable hole and 18-unlocking hole.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 8, a first embodiment of the present invention:

a mechanical program lock comprising:

a lock body portion 14 having a rotatable lock cylinder 3 thereon;

the lock body matching part 15 is provided with a linkage piece, a limiting piece 6 and a linkage mechanism, the linkage piece can rotate along with the rotation of the lock cylinder 3, the linkage mechanism can be linked with the limiting piece 6 to perform lifting motion when the linkage piece rotates, specifically, the linkage piece is a linkage rod 1, and the limiting piece 6 is a limiting pin; the linkage mechanism comprises a fixed seat 5 and a blocking part, the limiting part 6 is movably arranged on the fixed seat 5, specifically, a bolt 7 is arranged on the fixed seat 5, the limiting part 6 is rotatably arranged on the bolt 7, the fixed seat 5 is fixedly connected with the linkage rod 1 to rotate along with the linkage rod 1, so that the limiting part 6 is linked to rotate, the blocking part is abutted against the limiting part 6, and when the fixed seat 5 continues to rotate, the limiting part 6 is linked to perform lifting action; the limiting part 6 adopts a limiting pin.

This embodiment drives the linkage through rotatable lock core 3 and rotates, carries out elevating movement through link gear linkage locating part 6 when the linkage rotates to specifically, realize the action of opening and shutting of mechanical procedure lock, the commonality is good, operates safe and reliable.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

the lock body matching part 15 further comprises a first elastic device, and the first elastic device is used for driving the limiting part to reset, so that the displacement of the limiting part 6 caused by long-time use can be effectively avoided.

More specifically, first resilient means is spring 8, and its cover is located on bolt 7, and one end is fixed with the lateral wall of fixing base 5, and the other end is connected with the spacer pin, resets when being convenient for take place to shift to the spacer pin, can accurately follow through-hole department and carry out lifting operation.

One end of the linkage piece, namely the linkage rod 1, is fixedly connected with the lock cylinder 3, the other end of the linkage piece is hinged with a movable seat 16, the blocking piece is one side edge on the movable seat 16, and when the key 4 is screwed, the limiting pin can be abutted against one side edge on the movable seat 16 to drive the limiting pin to move downwards.

The lock body matching part 15 further comprises a second elastic device, the second elastic device is used for driving the reset of the fixed seat 5, specifically, the second elastic device adopts a spring 8, the spring 8 is sleeved on the outer side wall of the linkage rod 1, one end of the second elastic device is fixed on the linkage rod 1 by adopting a connecting rod fixing clamping piece 9, the other end of the second elastic device is connected with the fixed seat 5 or the movable seat 16, and the arrangement is that the displacement of the fixed seat 5 or the movable seat 16 can be effectively avoided when the mechanical lock is used for a long time. More specifically, fixing base 5 and sliding seat 16 all adopt the U-shaped board, and fixing base 5 is located sliding seat 16.

Lock body main part 14 includes key 4, key 4 can drive 3 rotations of lock core, specifically, the key includes twist grip 401 and locking lever 402, have on the lock core 3 one with the lockhole 301 of locking lever looks adaptation, locking lever 402 can insert in the lockhole 301, and when twisting twist grip 401, locking lever 402 drives 3 rotations of lock core to realize gangbar 1 at the 16 internal rotations of sliding seat, gangbar 1 drives fixing base 5 and rotates, is located the spacer pin on fixing base 5 and rotates together, and a side butt on spacer pin and the sliding seat 16, thereby the spacer pin rotates around bolt 7 and realizes the elevating movement who drives the spacer pin.

As a second embodiment of the present invention: a switch cabinet comprises a cabinet body for placing a circuit breaker 13, wherein a middle partition plate 11 is arranged on the cabinet body 12, a mechanical program lock as described in the first embodiment is installed on the middle partition plate 11, specifically, a supporting and fixing plate 2 is arranged on the middle partition plate 11, a linkage rod 1 is fixed on the supporting and fixing plate 2, a driving device for driving the circuit breaker 13 to move back and forth is further arranged on the cabinet body 12, specifically, an unlocking hole 18 is arranged on the cabinet body 12, the driving device can be driven in a gear rack transmission mode or in a lead screw transmission mode, namely, a sliding block is arranged on the bottom of the circuit breaker 13, a support is installed on the cabinet body 12, lead screws are connected with two ends of the support in a threaded manner, the sliding block is connected with the lead screws, guide rails are arranged on the side walls of the support, and two side walls of the sliding block can slide on the guide rails, the input of lead screw is connected with the pivot, the pivot passes unlocking hole 18, and the front end of pivot is connected with the detachable crank, and in some applications in addition, it has the unlocking door still to articulate on the unlocking hole 18, is provided with the lock on it, opens drive arrangement when having needs.

Be provided with a through-hole on the median septum 11, the locating part can the through-hole department reciprocates in order to allow or restrict circuit breaker 13's removal, more specifically, has a removal wheel on circuit breaker 13, and movable seat 16 fixes on the median septum 11, when not twisting the key, the locating part is spacer pin 6 promptly and blocks the piece butt, and this setting can block the removal that removes the wheel, twists the key after, and lock core 3 drives gangbar 1 and rotates, and fixing base 5 is along with rotating, and spacer pin 6 hinged on fixing base 5 descends in order to allow circuit breaker 13 to push into the work position in the cabinet body 12 along with the rotation of fixing base 5 and with the side butt of movable seat 16 from the realization at the through-hole department.

The utility model also discloses a third embodiment: a use method of a switch cabinet comprises the following steps: starting the mechanical program lock in the first embodiment, the limiting member 6 on the mechanical program lock descends, the driving device drives the circuit breaker 13 to enter the working position or return to the test position, and the mechanical program lock is closed, and the limiting member 6 on the mechanical program lock ascends to limit the circuit breaker 13 to move.

In some embodiments, the cabinet body 12 of the switch cabinet includes a working position and a testing position, the circuit breaker 13 is pushed into the interior, that is, is in the working position, the circuit breaker 13 can operate normally, if in the testing position, the circuit breaker 13 can only be used for repairing the fault of the circuit breaker 13, therefore, in general, the door on the cabinet body is closed, as long as the mechanical program lock of the above embodiment is started, the limiting part 6 descends, that is, the limiting part 6 does not block the sliding block or the moving wheel at the bottom of the circuit breaker 13, and the sliding block on the circuit breaker 13 is allowed to be pushed into the working position, the pushing mode adopts the following mode, the door lock is opened, the lock door is unlocked, the rocking handle is installed on the rotating shaft to rock, the screw rod is driven to rotate, and the sliding block is driven to move, that is the circuit breaker 13 moves to the working position, the method is safer and more, the circuit breaker 13 may be pushed in by other means, but is not limited thereto.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

In the description of the embodiments of the present invention, it should be understood that "-" and "-" indicate the same range of two numerical values, and the range includes the end points. For example: "A-B" means a range of greater than or equal to A and less than or equal to B. "A to B" means a range of A to B inclusive.

In the description of the embodiments of the present invention, the term "and/or" herein is only one kind of association relationship describing the associated object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.

Claims

1. A mechanical program lock, comprising:

a lock body portion (14) having a rotatable lock cylinder (3) thereon;

the lock body matching part (15) is provided with a linkage piece, a limiting piece (6) and a linkage mechanism, and the linkage piece can rotate along with the lock cylinder (3);

the linkage mechanism comprises a fixed seat (5) and a blocking part, wherein the limiting part (6) is movably arranged on the fixed seat (5), the fixed seat (5) is fixedly connected with the linkage part to rotate along with the linkage part, the blocking part is abutted to the limiting part (6), and the limiting part (6) can be linked to perform lifting action when the fixed seat (5) rotates.

2. A mechanical procedure lock according to claim 1, characterized in that the lock body engaging part (15) further comprises first resilient means for actuating the resetting of the retainer (6).

3. A mechanical program lock according to claim 1, characterized in that the linkage member is a linkage rod (1), one end of which is fixedly connected to the lock cylinder (3), and the other end of which is hinged to a movable seat (16), and the blocking member is a side edge of the movable seat (16).

4. A mechanical procedure lock according to claim 3, characterized in that the lock body engaging portion (15) further comprises second resilient means for actuating the return of the movable holder (16).

5. A mechanical program lock according to claim 3, wherein the movable seat (16) is provided with a movable hole (17), the limiting member (6) is a limiting pin, the lower end of the limiting pin is rotatably disposed on a bolt (7), the bolt (7) is fixed on the fixed seat (5), and two ends of the bolt (7) are respectively disposed in the movable hole (17).

6. A mechanically programmable lock according to claim 1, characterized in that said lock body part (14) comprises a key (4), said key (4) being capable of driving said key cylinder (3) in rotation.

7. A switchgear cabinet, comprising a cabinet body for placing a circuit breaker (13), wherein the cabinet body (12) is provided with a middle partition plate (11), and the switchgear cabinet is characterized in that the middle partition plate (11) is provided with a mechanical program lock according to any one of claims 1 to 6, and the cabinet body (12) is further provided with a driving device for driving the circuit breaker (13) to enter a working position or return to a test position.

8. A switchgear cabinet according to claim 7, characterized in that the said intermediate partition (11) is provided with a through hole, where the said stop (6) on the said mechanical programming lock can move up and down to allow or limit the movement of the said circuit breaker (13).