Anti-misoperation safety lock of power distribution cabinet

Abstract

The utility model discloses a power distribution cabinet anti-misoperation safety lock which comprises a lock body, a shell is sleeved outside the lock body, the shell is connected with the lock body in a sliding mode, and a baffle is arranged on the inner side of the shell. According to the anti-misoperation safety lock for the power distribution cabinet, a user firstly presses the shell, an ejector rod extrudes the inner wall of a groove, so that an annular plate is driven to rotate, a baffle is driven to be opened through a first connecting plate and a second connecting plate, the user can penetrate a key through the shell and insert the key into a lock hole for unlocking, and after the key is pulled out, the annular plate is driven to rotate. When a user operates the lock, the shell moves in the direction away from the lock body under the elastic force of the spring and the torsion force of the torsion spring, meanwhile, the baffle is closed again, the lock hole is protected and blocked through the baffle and the shell, the situation that small parts enter the lock hole by mistake in the operation process of the user is prevented, and the sleeve and the sliding rod play a role in guiding the shell; the stability of the shell in the moving process is ensured, and elastic force provided by the spring is used for driving the shell to be away from the lock body automatically.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of switch board, more specifically, relate to switch board anti -misoperation safety lock. BACKGROUND

[0002] The switch board is the last stage equipment of the distribution system, and is classified into power switch board, lighting switch board and metering cabinet. The switch board is the general term of motor control center. The switch board is used in the occasion with relatively dispersed load and less return circuit, and the motor control center is used in the occasion with concentrated load and more return circuit. The switch board and the motor control center distribute the electric energy of a circuit of the upper stage power distribution equipment to the nearby load. The switch board and the motor control center should provide protection, monitoring and control for the load.

[0003] The cabinet body and the cabinet door of the switch board are connected through the safety lock, and the lock eye of the safety lock of some existing switch boards is directly exposed outside. Some small operation errors may occur in the usual work of the staff, some small parts enter the lock eye of the safety lock, the lock eye is blocked, the key cannot be inserted, the lock cannot be opened, and use is affected. Therefore, the utility model provides the switch board anti -misoperation safety lock. UTILITY MODEL CONTENTS

[0004] The utility model discloses a switch board anti -misoperation safety lock, and aims at solving the problems in the above -mentioned background art:

[0005] The lock eye of the safety lock of some existing switch boards is directly exposed outside. Some small operation errors may occur in the usual work of the staff, some small parts enter the lock eye of the safety lock, the lock eye is blocked, the key cannot be inserted, the lock cannot be opened, and use is affected.

[0006] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme:

[0007] The switch board anti -misoperation safety lock, including the lock body, the outside of lock body is equipped with the shell, the shell and lock body slide connection, the inside of shell is provided with the baffle, the inside of shell is rotatably connected with annular plate, the inside of annular plate is fixedly connected with first connecting plate, the second connecting plate is set between first connecting plate and baffle, one end of second connecting plate is rotatably connected with baffle, the other end of second connecting plate is rotatably connected with first connecting plate, the outside of lock body is fixedly connected with the top rod, the inside of annular plate is provided with the recess, the recess is used in cooperation with top rod, when the user presses the shell, the top rod will be tightly pressed with the inner wall of recess and extruded, to drive annular plate to rotate.

[0008] Preferably, the baffle has six, the six baffles are symmetrically distributed, and the six baffles can block the opening on the shell.

[0009] Preferably, the outer side wall of the lock body is attached to the inner side wall of the shell, and the close attachment of the shell and the lock body enables the lock body to limit the shell.

[0010] Preferably, the outer side wall of the lock body is attached to the inner side wall of the shell, and the close attachment of the shell and the lock body enables the lock body to limit the shell.

[0011] Preferably, the recess has a straight triangular cross section, the straight triangular cross section enables the surface of the recess in contact with the ejector rod to be an inclined surface, when the shell moves as a whole towards the lock body, the ejector rod enters the recess and extrudes the inclined surface of the recess, and finally drives the baffle to open.

[0012] Preferably, the recess has a straight triangular cross section, the straight triangular cross section enables the surface of the recess in contact with the ejector rod to be an inclined surface, when the shell moves as a whole towards the lock body, the ejector rod enters the recess and extrudes the inclined surface of the recess, and finally drives the baffle to open.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The user first presses the shell, the ejector rod extrudes the inner wall of the recess, thereby driving the annular plate to rotate, the first connecting plate and the second connecting plate drive the baffle to open, the user can pass the key through the shell and insert it into the keyhole for unlocking, after the key is pulled out, the shell moves away from the lock body under the elastic force of the spring and the torsional force of the torsional spring, and the baffle closes again, the baffle and the shell protect the keyhole, prevent small parts from entering the keyhole during operation, the sleeve and the slide rod guide the shell, ensure the stability of the shell during movement, and the elastic force provided by the spring drives the shell to automatically move away from the lock body. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a schematic view of the whole structure of the utility model;

[0016] Fig. 2 It is a schematic view of the whole structure of the utility model;

[0017] Fig. 3 It is a schematic view of the sleeve of the utility model;

[0018] Fig. 4 The structure diagram of the baffle of the utility model.

[0019] Mark explanation in the drawing: 1, lock body; 2, shell; 3, baffle; 4, annular plate; 5, first connecting plate; 6, second connecting plate; 7, top rod; 8, groove; 9, sleeve; 10, sliding rod; 11, spring; 12, rotating shaft; 13, torsional spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figs. 1 to 4 , the power distribution cabinet anti-misoperation safety lock, including lock body 1, the outside of lock body 1 is equipped with shell 2, shell 2 and lock body 1 slidingly connected, the inner side of shell 2 is provided with baffle 3, the inside of shell 2 is rotatably connected with annular plate 4, the inner side of annular plate 4 is fixedly connected with first connecting plate 5, second connecting plate 6 is arranged between first connecting plate 5 and baffle 3, one end of second connecting plate 6 is rotatably connected with baffle 3, the other end of second connecting plate 6 is rotatably connected with first connecting plate 5, the outside of lock body 1 is fixedly connected with top rod 7, the inside of annular plate 4 is provided with groove 8, groove 8 is used in cooperation with top rod 7, when the user presses shell 2, top rod 7 will be tightly pressed against the inner wall of groove 8 and extruded, so as to drive annular plate 4 to rotate, annular plate 4 drives baffle 3 to rotate through first connecting plate 5 and second connecting plate 6.

[0022] Further, the baffle 3 has six, six baffle 3 is symmetrically distributed, six baffle 3 can block the opening on the shell 2, when baffle 3 is separated, the opening is opened, at this time, the key can be inserted into lock body 1.

[0023] Further, the outer wall of lock body 1 is attached to the inner wall of shell 2, and shell 2 is tightly attached to lock body 1, so that lock body 1 can limit shell 2, so that shell 2 can move smoothly.

[0024] Further, the outer part of the lock body 1 is fixedly connected with sleeves 9, the inner part of the sleeves 9 is slidably connected with slide rods 10, springs 11 are arranged between the slide rods 10 and the sleeves 9, one end of the spring 11 is fixedly connected with the sleeve 9, the other end of the spring 11 is fixedly connected with the slide rod 10, the sleeves 9, the slide rods 10 and the springs 11 are symmetrically arranged in three groups, the sleeves 9 and the slide rods 10 play a guiding role on the shell 2, and the stability of the shell 2 during movement is ensured, and the elastic force provided by the spring 11 is used for driving the shell 2 to automatically move away from the lock body 1.

[0025] Further, the cross section of the groove 8 is a right triangle structure, the cross section of the right triangle structure is a slope, when the shell 2 moves in the direction of approaching the lock body 1, the top rod 7 enters the groove 8 and extrudes the slope of the groove 8, so that the annular plate 4 is driven to rotate by a small angle, and finally the baffle 3 is opened.

[0026] Further, the inner part of the shell 2 is rotatably connected with a rotating shaft 12, the rotating shaft 12 is fixedly connected with the baffle 3, a torsional spring 13 is arranged between the rotating shaft 12 and the shell 2, one end of the torsional spring 13 is fixedly connected with the shell 2, the other end of the torsional spring 13 is fixedly connected with the rotating shaft 12, under the action of the rotating shaft 12, the baffle 3 can rotate back and forth on the inner side of the shell 2, and the torsional force provided by the torsional spring 13 is used for driving the baffle 3 to automatically reset.

[0027] The use steps of the utility model are as follows: when the power distribution cabinet anti-misoperation safety lock is used, if the user needs to insert a key, the shell 2 needs to be pressed first, the shell 2 moves in the direction of approaching the lock body 1 together with the inner annular plate 4, in the process, the top rod 7 extrudes the inner wall of the groove 8, so that the annular plate 4 is driven to rotate, when the annular plate 4 rotates, the baffle 3 is driven to rotate through the first connecting plate 5 and the second connecting plate 6, at this time, the baffle 3 is opened, the user can pass the shell 2 and insert the key into the lock eye to unlock, after the key is pulled out, under the action of the elastic force of the spring 11 and the torsional force of the torsional spring 13, the shell 2 moves away from the lock body 1, at the same time, the baffle 3 is closed again, the lock eye is protected and blocked by the baffle 3 and the shell 2, and the situation that small parts are mistakenly put into the lock eye during the operation of the user is prevented.

[0028] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, the above examples and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A misoperation prevention safety lock for power distribution cabinets, comprising a lock body (1), characterized in that: The outer part of the lock body (1) is sleeved with a shell (2), the shell (2) is in sliding connection with the lock body (1), the inner side of the shell (2) is provided with a baffle (3), the inner part of the shell (2) is rotatably connected with an annular plate (4), the inner side of the annular plate (4) is fixedly connected with a first connecting plate (5), the first connecting plate (5) and the baffle (3) are provided with a second connecting plate (6), one end of the second connecting plate (6) is rotatably connected with the baffle (3), the other end of the second connecting plate (6) is rotatably connected with the first connecting plate (5), the outer part of the lock body (1) is fixedly connected with a top rod (7), the inner part of the annular plate (4) is provided with a groove (8), and the groove (8) is used in cooperation with the top rod (7).

2. The misoperation prevention safety lock for switchgear according to claim 1, characterized in that: The baffle (3) is six in total, and the six baffles (3) are symmetrically distributed.

3. The misoperation prevention safety lock for switchgear according to claim 1, characterized in that: The outer side wall of the lock body (1) is attached to the inner side wall of the shell (2).

4. The misoperation prevention safety lock for switchgear according to claim 1, characterized in that: The outer part of the lock body (1) is fixedly connected with a sleeve (9), the inner part of the sleeve (9) is slidably connected with a sliding rod (10), a spring (11) is arranged between the sliding rod (10) and the sleeve (9), one end of the spring (11) is fixedly connected with the sleeve (9), and the other end of the spring (11) is fixedly connected with the sliding rod (10).

5. The misoperation prevention safety lock for switchgear according to claim 1, characterized in that: The cross section of the groove (8) is a right triangle structure.

6. The misoperation prevention safety lock for switchgear according to claim 1, characterized in that: The inner part of the shell (2) is rotatably connected with a rotating shaft (12), the rotating shaft (12) is fixedly connected with the baffle (3), a torsional spring (13) is arranged between the rotating shaft (12) and the shell (2), one end of the torsional spring (13) is fixedly connected with the shell (2), and the other end of the torsional spring (13) is fixedly connected with the rotating shaft (12).

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