Safety door lock of power switch cabinet

Abstract

The utility model relates to the technical field of door locks, in particular to a safety door lock of a power switch cabinet, which comprises a lock body, a containing groove and a lock groove are arranged on the lock body, a handle is rotatably connected in the containing groove, a lock cylinder is rotatably connected in the lock groove, a sliding groove is arranged on one side of the lock groove, and a baffle used for sealing the lock groove is slidably connected in the sliding groove. A connecting assembly used for pulling the baffle to slide is fixedly connected between the upper end of the baffle and the lower end of the handle. A reset assembly used for pulling the baffle to fall is fixedly connected between the lower end of the baffle and the interior of the lock body. By rotating the handle into the storage groove, the handle is prevented from protruding, the baffle shields the lock groove, dust is prevented from entering the lock cylinder, during unlocking, the handle is rotated, the handle pulls the baffle through the connecting assembly, the baffle slides, the lock groove is exposed, and unlocking is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of door lock, concretely is a kind of electric power switchgear safety door lock. BACKGROUND

[0002] Switch cabinet is a kind of electrical equipment, commonly used in power system, switch cabinet is installed with instrument, switch, various ac contactors and other electrical components, safety door lock is arranged on the cabinet door of switch cabinet, to facilitate the opening of switch cabinet.

[0003] The existing electric power switchgear safety door lock, such as the cabinet door lock in patent application number "CN200920051504.0", is provided with handle, lock head, lock catch, lock tongue and other structures, the rotating lock tongue can be clamped on the lock catch, the door lock is firm and durable, effectively reduces the wear between the lock tongue and the lock catch, and increases the service life.

[0004] However, the existing technology has defects, the handle protrudes outside the cabinet door, occupies space, increases the overall volume of the cabinet body, dust is easy to enter the inside of the lock hole of the door lock, which causes dust to enter the inside of the cabinet body, and affects the operation of electrical components inside the cabinet door and the cabinet body, therefore, an electric power switchgear safety door lock is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an electric power switchgear safety door lock to solve the problems in the above background technology.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] An electric power switchgear safety door lock, comprising a lock body, a receiving groove and a lock slot are formed in the lock body, a handle is rotatably connected in the receiving groove, a lock cylinder is rotatably connected in the lock slot, a sliding slot is formed in one side of the lock slot, a baffle for closing the lock slot is slidably connected in the sliding slot, a connecting assembly for pulling the baffle to slide is fixedly connected between the upper end of the baffle and the lower end of the handle, and a reset assembly for pulling the baffle to fall is fixedly connected between the lower end of the baffle and the inside of the lock body.

[0008] Preferably, a through groove is formed in communication between the upper end of the lock slot and the lower end of the receiving groove, the connecting assembly comprises a pull rope, one end of the pull rope is fixedly connected with the upper end of the baffle, the other end is fixedly connected with the side of the handle close to the inner wall of the receiving groove, a fixed strip is fixedly connected with the side of the handle close to the inner wall of the receiving groove, and the end of the fixed strip is in extrusion fit with the pull rope.

[0009] Preferably, the reset assembly comprises two groups of reset springs, one end of each group of reset springs is fixedly connected with the lock body, and the other end is fixedly connected with the positions on both sides of the lower end of the baffle.

[0010] Preferably, a recess is formed in the end of the handle away from the lock slot, and the recess is rectangular in shape.

[0011] Preferably, the handle is fixed with elastic clamping blocks on both sides, two groups of elastic clamping blocks are located on both sides of the recess respectively, the end shape of the two groups of elastic clamping blocks is set as isosceles trapezoid, clamping grooves are formed on both sides of the receiving groove, and the two groups of elastic clamping blocks are respectively clamped and matched with the two groups of clamping grooves.

[0012] Preferably, the side wall of the lock body is fixed with a plurality of mounting seats for mounting the lock body, and mounting holes are formed in the plurality of mounting seats.

[0013] The utility model discloses the beneficial effects of the following:

[0014] 1, the utility model discloses a handle is rotated to the receiving groove, prevents handle convex, baffle to lock groove shelter, prevents dust from entering lock cylinder, when unlocking, handle is rotated, and handle is drawn baffle through connecting component, makes baffle slide, and lock groove exposes, and it is convenient for unlocking.

[0015] 2, the utility model discloses the elastic clamping block of handle both sides and the clamping groove of receiving groove side wall clamping, prevent handle from autorotation because of gravity. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings;

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the lock body structure schematic diagram of the utility model;

[0019] Figure 3 It is the handle structure schematic diagram of the utility model;

[0020] Figure 4 It is the lock body vertical section structure schematic diagram of the utility model;

[0021] Figure 5 It is Figure 4 the structure enlarged schematic diagram of A of;

[0022] Figure 6 It is the sliding groove section structure schematic diagram of the utility model;

[0023] The reference signs in the drawing are as follows:

[0024] 1, lock body; 2, storage groove; 3, lock slot; 4, lock cylinder; 5, handle; 6, sliding groove; 7, baffle; 8, reset spring; 9, pull rope; 10, fixed bar; 11, groove; 12, elastic clamping block; 13, clamping groove; 14, through groove; 15, mounting seat; 16, mounting hole. DETAILED DESCRIPTION

[0025] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] A power switch cabinet safety door lock, as shown in Figures 1-6 The lock body 1 is installed on the cabinet door of the switch cabinet, the lock cylinder 4 is used for controlling the structural clamping of the lock body 1 and the cabinet body, so as to lock the cabinet door and the cabinet body, and the handle 5 is pulled to open the cabinet door.

[0027] When the handle 5 is not used, the handle 5 is rotated into the storage groove 2, so that the handle 5 is prevented from protruding, the handle 5 does not increase the volume of the switch cabinet, the baffle 7 shields the lock slot 3, dust is prevented from entering the lock cylinder 4, and the safety performance of the door lock is improved, when the door lock is opened, one end of the handle 5 is rotated to the outside of the storage groove 2, the handle 5 pulls the baffle 7 through the connecting assembly, the baffle 7 slides, the lock slot 3 is exposed, and the door lock is conveniently opened, the lock slot 3 is opened at the same time when the handle 5 is rotated, and the lock slot 3 does not need to be additionally opened, so that the operation is simple and fast.

[0028] When the handle 5 is not used, the handle 5 is rotated into the storage groove 2, so that the handle 5 is prevented from protruding, the handle 5 does not increase the volume of the switch cabinet, the baffle 7 shields the lock slot 3, dust is prevented from entering the lock cylinder 4, and the safety performance of the door lock is improved, when the door lock is opened, one end of the handle 5 is rotated to the outside of the storage groove 2, the handle 5 pulls the baffle 7 through the connecting assembly, the baffle 7 slides, the lock slot 3 is exposed, and the door lock is conveniently opened, the lock slot 3 is opened at the same time when the handle 5 is rotated, and the lock slot 3 does not need to be additionally opened, so that the operation is simple and fast.

[0029] As shown in Figures 3-6 The through groove 14 is communicated between the upper end of the lock slot 3 and the lower end of the storage groove 2, the connecting assembly comprises a pull rope 9, one end of the pull rope 9 is fixedly connected with the upper end of the baffle 7, the other end of the pull rope 9 is fixedly connected with one side of the handle 5 close to the inner wall of the storage groove 2, the handle 5 is fixedly connected with a fixed bar 10 close to the inner wall of the storage groove 2, and the end of the fixed bar 10 is in extrusion fit with the pull rope 9.

[0030] When the handle 5 is rotated, the fixed bar 10 is inclined, the end of the fixed bar 10 pulls the pull rope 9, the pull rope 9 pulls the baffle 7 to lift, and the lock slot 3 is opened.

[0031] As Figure 3 And Figure 6 As shown in the reset assembly includes two groups of reset spring 8, two groups of reset spring 8 one end with the lock body 1 fixed, the other end is fixed on the lower end of the baffle 7 two sides of the position.

[0032] Baffle 7 is pulled up by the pull rope 9, baffle 7 pull reset spring 8, reset spring 8 is pulled by the deformation, reset spring 8 elastic potential increases, when the handle 5 is rotated and stored in the storage slot 2, pull rope 9 is pulled off, reset spring 8 restores the deformation, reset spring 8 pull baffle 7 reset, so that the baffle 7 will lock slot 3 closed.

[0033] As Figures 1-3 As shown in the handle 5 away from the lock slot 3 one end of the recess 11, recess 11 shape is set to rectangular.

[0034] When the handle 5 is stored in the storage slot 2, the staff's finger is inserted into the recess 11, the handle 5 end can be buckled out of the storage slot 2, the rectangular recess 11 is convenient for the finger to insert.

[0035] As Figures 1-3 As shown in the handle 5 both sides are fixed with elastic block 12, two groups of elastic block 12 are located on both sides of the recess 11, two groups of elastic block 12 end shape are set to isosceles trapezoidal, both sides of the storage slot 2 are provided with clamping groove 13, two groups of elastic block 12 are respectively clamped with two groups of clamping groove 13.

[0036] The elastic block 12 on both sides of the handle 5 is clamped with the clamping groove 13 of the side wall of the storage slot 2, which prevents the handle 5 from rotating due to gravity, so that the handle 5 can be stably clamped in the storage slot 2.

[0037] As Figure 1 As shown in the lock body 1 side wall is fixed with a plurality of mounting seat 15 for installing the lock body 1, a plurality of mounting seat 15 are provided with mounting hole 16.

[0038] The mounting seat 15 is installed on the cabinet door, and the mounting hole 16 is convenient for the bolt to be inserted, so that the bolt is installed on the cabinet door.

[0039] The working principle of the safety door lock of the power switch cabinet provided by the utility model is as follows:

[0040] The handle 5 is rotated into the storage groove 2, the handle 5 is prevented from protruding, the handle 5 does not additionally increase the size of the switch cabinet, the baffle 7 shields the lock slot 3, dust is prevented from entering the lock cylinder 4, and the safety performance of the door lock is improved; when the lock is opened, the handle 5 is rotated, one end of the handle 5 is rotated to the outside of the storage groove 2, the handle 5 pulls the pull rope 9 through the fixed strip 10, the pull rope 9 pulls the baffle 7 through the penetrating groove 14, the baffle 7 is slid, the lock slot 3 is exposed, and the lock is conveniently opened; the handle 5 is rotated at the same time that the lock slot 3 is opened, the lock slot 3 is not required to be additionally opened, and the operation is simple and fast.

[0041] 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-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model; various changes and improvements can be made to the utility model 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.

Claims

1. A safety door lock for an electrical switchgear cabinet comprising a lock body (1), characterized in that, The lock body (1) is provided with a receiving groove (2) and a lock groove (3), the handle (5) is rotatably connected in the receiving groove (2), the lock core (4) is rotatably connected in the lock groove (3), the lock groove (3) is provided with a sliding groove (6) on one side, the baffle (7) for closing the lock groove (3) is slidably connected in the sliding groove (6), the connecting assembly for pulling the baffle (7) to slide is fixedly connected between the upper end of the baffle (7) and the lower end of the handle (5), and the reset assembly for pulling the baffle (7) to fall is fixedly connected between the lower end of the baffle (7) and the inside of the lock body (1).

2. A safety door lock for an electrical switchgear cabinet according to claim 1, characterized in that The through groove (14) is communicated between the upper end of the lock groove (3) and the lower end of the receiving groove (2), the connecting assembly comprises a pull rope (9), one end of the pull rope (9) is fixedly connected with the upper end of the baffle (7), the other end is fixedly connected with the side of the handle (5) close to the inner wall of the receiving groove (2), the fixed strip (10) is fixedly connected with the side of the handle (5) close to the inner wall of the receiving groove (2), and the end portion of the fixed strip (10) is extruded with the pull rope (9).

3. A safety door lock for an electrical switchgear cabinet according to claim 1, characterized in that, The reset assembly comprises two groups of reset springs (8), one end of the two groups of reset springs (8) is fixedly connected with the lock body (1), and the other end is fixedly connected with the positions on the two sides of the lower end of the baffle (7).

4. A safety door lock for an electrical switchgear cabinet according to claim 1, characterized in that, The recess (11) is formed in the end of the handle (5) away from the lock groove (3), and the recess (11) is rectangular in shape.

5. A power switchgear safety door lock according to claim 2, wherein The elastic clamping blocks (12) are fixedly connected on the two sides of the handle (5), the two groups of elastic clamping blocks (12) are located on the two sides of the recess (11) respectively, the end portions of the two groups of elastic clamping blocks (12) are isosceles trapezoidal in shape, the clamping grooves (13) are formed on the two sides of the receiving groove (2), and the two groups of elastic clamping blocks (12) are clamped and matched with the two groups of clamping grooves (13) respectively.

6. A power switchgear safety door lock according to claim 1, characterized in that, The mounting seats (15) for mounting the lock body (1) are fixedly connected to the side walls of the lock body (1), and the mounting holes (16) are formed in the mounting seats (15).

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