Ring net box with box door locking device

Abstract

The utility model relates to the technical field of ring main units, in particular to a ring main unit with a box door locking device. Comprising a box body which comprises a box door; the base is mounted on the lower side of the inner wall of the box door and comprises two symmetrical mounting wall plates, and mounting holes are formed in the mounting wall plates; the locking rod is vertically arranged in the mounting hole in a sliding manner; the elastic component provides downward force for the locking rod; the first limiting part is arranged on the base; the second limiting part is arranged on the locking rod, and the second limiting part can abut against the upper portion of the first limiting part by rotating the locking rod, so that the lower end of the locking rod is higher than the threshold; according to the utility model, the pre-tightening force is matched with the limiting part, so that the position of the locking rod can be stabilized, and the locking function failure caused by upward movement of the position of the locking rod due to vibration in the transportation process is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ring main unit, especially with box door locking device's ring main unit. BACKGROUND

[0002] As a key equipment in power distribution system, ring main unit is widely used in urban residential area, industrial park, road along the scene, its internal encapsulation has switch equipment, protection electric appliance etc. core part, the locking reliability of box door is directly related to the operation safety of power equipment, the convenience of overhauling and the anti -mistaken operation performance. Box door usually adopts double door or multi -door structure, to ensure that the box body is sealed, dustproof waterproof and prevents unauthorized opening, needs to set up locking device on the box door, realizes the reliable closure and locking of box door.

[0003] At present, the ring main unit with box door locking device mostly adopts simple locking pin, buckle or bolt locking structure, this kind of locking device has many defects in the actual use process, it is difficult to meet the use demand of ring main unit. First, the locking stability of existing locking device is poor, the ring main unit is easily affected by external force such as vibration, impact during transportation, installation and outdoor operation, resulting in displacement, loosening of locking piece (such as locking pin), even locking failure, and further causing accidental opening of box door, exposing internal power components, which has safety hazard.

[0004] Secondly, the operation convenience of existing locking device is insufficient. Part of the locking device needs to be operated by both hands to complete the locking and unlocking of the box door, especially in the scene where the weight of the box door is large, it is difficult to hold the box door with one hand and operate the locking device with one hand, which increases the operation burden of the workers.

[0005] Thirdly, the existing locking device is insufficient for protecting the box door sill. The locking piece (such as locking pin) is usually directly in contact with the sill. During the closing and locking of the box door, the impact force between the locking piece and the sill is large, which can easily cause the wear and deformation of the sill after long-term use, thereby affecting the locking fit precision. In addition, part of the locking device lacks effective limiting structure, and the locking piece is easily over-displaced under the elastic force, which hard collides with the sill, not only aggravates the component loss, but also may cause the locking piece to deform and fail.

[0006] In addition, the installation and assembly flexibility of the existing locking device is poor. The connection structure of the base of part of the locking device and the inner wall of the box door is complex, which is not convenient to install and disassemble, and is not conducive to the later maintenance and replacement.

[0007] In summary, in view of the poor locking stability, insufficient operation convenience, lack of threshold protection, and inconvenient installation and maintenance of the existing box door locking device, there is an urgent need for a box door locking device with reasonable structure, reliable locking, simple operation, and effective threshold protection to solve the above-mentioned defects in the prior art and ensure the safe and stable operation of the ring main unit. Utility model content

[0008] The utility model aims at the above-mentioned technical problem, and provides a ring main unit with a box door locking device.

[0009] Therefore, the utility model provides a ring main unit with a box door locking device, which comprises:

[0010] A box body, wherein the box body comprises a box door;

[0011] A base, which is installed on the lower side of the inner wall of the box door and comprises two symmetrical installation wall plates, wherein the installation wall plates are provided with installation holes;

[0012] A locking rod, which is vertically and slidably arranged in the installation hole;

[0013] An elastic member, which provides a downward force for the locking rod;

[0014] A limiting part one, which is arranged on the base;

[0015] A limiting part two, which is arranged on the locking rod and can be brought into contact with the limiting part one by rotating the locking rod so that the lower end of the locking rod is higher than the threshold.

[0016] Further, the limiting part one is a limiting rod one arranged on both sides of the locking rod, and the limiting part two is a limiting rod two arranged horizontally on the locking rod.

[0017] Further, the utility model further comprises:

[0018] A metal reinforcing sheet, which is fixedly connected to the threshold.

[0019] Further, the utility model further comprises:

[0020] A hand-held part, which is arranged at the top end of the locking rod and is in contact with the upper end surface of the base in the locking state.

[0021] Further, the side of the metal reinforcing sheet close to the locking rod is provided with a downwardly extending contact surface.

[0022] Further, the elastic member is a spring, which is in contact with the lower side of the installation wall plate at one end and in contact with the limiting part two at the other end.

[0023] Further, the utility model further comprises:

[0024] The mounting base is fixedly connected to the inside of the door panel, and the mounting base includes a mounting cavity;

[0025] The mounting base is fixed by fasteners that penetrate from one side of the base into the mounting cavity.

[0026] The beneficial effects of this utility model are:

[0027] 1. This utility model helps stabilize the position of the locking rod by cooperating with the pre-tightening force and the limiting part, preventing the locking rod from shifting upwards due to vibration during transportation, which would cause the locking function to fail.

[0028] 2. This utility model uses the cooperation of limiting rod one and limiting rod two to stabilize the force on the locking rod and make the structure less prone to damage. Attached Figure Description

[0029] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0030] Figure 2 This is a schematic diagram of the installation position of the ring network box of this utility model.

[0031] The markings in the diagram are as follows:

[0032] 1. Base; 2. Mounting panel; 3. Locking rod; 4. Spring; 5. Limiting rod one; 6. Limiting rod two; 7. Threshold; 8. Door; 9. Hand handle; 10. Metal reinforcing plate; 11. Contact surface; 12. Mounting base; 13. Mounting cavity. Detailed Implementation

[0033] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0034] Example 1:

[0035] This embodiment provides a ring network box with a door locking device, including:

[0036] The container, including the container door;

[0037] The base 1 is installed on the lower side of the inner wall of the box door and includes two symmetrical mounting wall panels 2, with mounting holes provided on the mounting wall panels 2;

[0038] Locking rod 3 is vertically slidably installed in the mounting hole;

[0039] The elastic member provides a downward force to the locking lever 3;

[0040] The first limiting part is arranged on the base 1;

[0041] The second limiting part is arranged on the locking rod 3, and the second limiting part can be brought into contact with the first limiting part by rotating the locking rod 3 to make the lower end of the locking rod 3 higher than the threshold 7.

[0042] The base 1 is mounted on the inner wall of the box door by fasteners, and an installation wall plate 2 is arranged on each of the upper and lower sides of the base 1, a vertical installation hole is formed in the installation wall plate 2, a locking rod 3 is inserted into the installation hole, a limiting block can be arranged on the locking rod 3, the limiting block is in contact with the installation wall plate 2 to prevent the locking rod 3 from falling out of the installation hole, and an elastic member is arranged between the base 1 and the locking rod 3, the elastic member is in a pre-tightened state, and the elastic member provides a downward force for the locking rod 3. The first limiting part is fixed on the base 1, and the second limiting part is fixed on the locking rod 3.

[0043] In use, the base 1 is mounted on the box door 8 on one side of the box door, the door is preferentially closed and fixed, and then the other side of the box door 8 is closed, and the other side of the box door 8 is provided with a locking device. The other side of the box door 8 is not described in detail, and in this embodiment, the locking rod 3 is rotated to make the second limiting part dislocated from the first limiting part, so that the locking rod 3 can move up and down. When the limiting part is in the lower position, the pre-tightening force and the cooperation between the limiting parts can help the locking rod 3 to be stable in position, prevent the locking rod 3 from moving up in the transportation process due to vibration, and cause the locking function to fail. When the second limiting part is on the first limiting part, the pre-tightening force of the elastic member makes the second limiting part in contact with the first limiting part, so that the locking rod 3 is not easy to rotate and is stable in position, preventing the locking rod 3 from extending out during the opening and closing of the box door 8 and colliding with the threshold 7.

[0044] Embodiment 2:

[0045] The embodiment provides a ring network box with a box door locking device, in addition to the technical solutions of the above embodiments, further comprising the following technical features.

[0046] The first limiting part is a limiting rod one 5 arranged on both sides of the locking rod 3, and the second limiting part is a limiting rod two 6 arranged horizontally on the locking rod 3.

[0047] The limiting rod two 6 is in interference fit with the through hole arranged in the radial direction of the locking rod 3, so that the limiting rod two 6 is horizontally arranged on the locking rod 3, and the limiting rod two 6 bears stronger force and the structure is more stable. The first limiting part is two limiting rod ones 5, and the limiting rod one 5 is perpendicular to the surface of the base 1 and is fixedly connected to the surface of the base 1 at one end. Through the cooperation of the limiting rod one 5 and the limiting rod two 6, the locking rod 3 is stably stressed, and the structure is not easy to be damaged.

[0048] Further comprising:

[0049] The metal reinforcing sheet 10 is fixedly connected to the door sill 7.

[0050] The metal reinforcing sheet 10 is fixedly installed on the door sill 7 of the ring net box through two rivets. The metal reinforcing sheet 10 helps to protect the door sill 7. Since the box door 8 is heavy, it is difficult to close the door with one hand and to operate the lock with one hand. Therefore, the locking rod 3 is preferentially rotated and adjusted to a position in which the locking rod 3 can move up and down. The lower end of the locking rod 3 is abutted against the metal reinforcing sheet 10 under the action of the elastic member. Then, the box door 8 is pushed by a person. When the locking rod 3 reaches the inner side of the door sill 7, the locking rod 3 is automatically lowered and locked, so that the locking operation of the box door 8 is more convenient.

[0051] Further comprising:

[0052] The handheld part 9 is arranged at the top end of the locking rod 3. When the locking state is reached, the handheld part 9 is abutted against the upper end surface of the base 1.

[0053] The handheld part 9 is bent at the top end of the locking rod 3. The handheld part 9 can facilitate the rotation of the locking rod 3 and can prevent the locking rod 3 from falling.

[0054] The metal reinforcing sheet 10 is provided with an abutment surface 11 extending downward on the side close to the locking rod 3.

[0055] The abutment surface 11 can protect the inner side of the door sill 7 and can increase the contact area with the locking rod 3, so that the locking rod 3 is balanced in force and is not prone to deformation.

[0056] The elastic member is a spring 4, one end of which is abutted against the lower side surface of the installation wall plate 2 and the other end of which is abutted against the limiting part II.

[0057] Further comprising:

[0058] The installation base 12 is fixedly connected to the inner side of the door plate and comprises an installation cavity 13.

[0059] The base 1 is fixedly installed by penetrating the fastener from one side of the base 1 into the installation cavity 13.

[0060] The installation cavity 13 can facilitate the installation of the base 1.

[0061] The embodiments of the present application are described above in combination with the drawings. In the case of no conflict, the embodiments and the features in the embodiments in the present application can be combined with each other. The present application is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are only illustrative and not restrictive. Those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the protection scope of the claims.

Claims

1. A ring network box with a door locking device, characterized in that, include: The container, including the container door; The base (1) is installed on the lower side of the inner wall of the box door and includes two symmetrical mounting wall panels (2), with mounting holes provided on the mounting wall panels (2); Locking rod (3) is vertically slidably installed in the mounting hole; The elastic member provides a downward force to the locking lever (3); Limiting part one is provided on the base (1); Limiting part two is provided on the locking rod (3), and the locking rod (3) can be rotated to make the limiting part two abut against the upper part of the limiting part one, so that the lower end of the locking rod (3) is higher than the threshold (7).

2. A ring network box with a door locking device according to claim 1, characterized in that, Limiting part one is a limiting rod one (5) set on both sides of the locking rod (3); limiting part two is a limiting rod two (6) placed horizontally on the locking rod (3).

3. A ring network box with a door locking device according to claim 1, characterized in that, Also includes: Metal reinforcing plate (10) is fixedly connected to the threshold (7).

4. A ring network box with a door locking device according to claim 1, characterized in that, Also includes: Handle (9) is located at the top of the locking lever (3). When locked, the handle (9) abuts against the upper surface of the base (1).

5. A ring network box with a door locking device according to claim 3, characterized in that, The metal reinforcing plate (10) has a downwardly extending contact surface (11) on the side near the locking rod (3).

6. A ring network box with a door locking device according to claim 1, characterized in that, The elastic component is a spring (4), one end of which abuts against the lower side of the mounting wall panel (2), and the other end abuts against the limiting part 2.

7. A ring network box with a door locking device according to claim 1, characterized in that, Also includes: Mounting base (12) is fixedly connected to the inside of the door panel, and the mounting base (12) includes a mounting cavity (13). The mounting base (1) is fixed by fasteners that pass through from one side of the base (1) into the mounting cavity (13).

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