Cable well cover plate locking device

Abstract

The utility model relates to the technical field of well lid locking, in particular to a cable well lid plate locking device which comprises a base frame and a cover plate, the base frame is arranged at a well mouth of a cable well and matched with the well mouth of the cable well, a first lock plate is arranged on the cover plate, a first lock hole is formed in the first lock plate, and a second lock hole is formed in the second lock plate. Second lock plates corresponding to the first lock plates are arranged on the base frame, second lock holes in one-to-one correspondence with the first lock holes are formed in the second lock plates, and the base frame and the cover plate are connected together through U-shaped locks penetrating through the corresponding first lock holes and the second lock holes. When the cable well cover plate locking device is used, the structure is simple, manufacturing is convenient, and meanwhile unauthorized personnel are prevented from opening a cover plate of a cable well mouth.

Description

Technical Field

[0001] The utility model relates to the technical field of manhole cover locking, in particular to a locking device for a cable well cover plate. Background Technique

[0002] In the existing management of cable wells, a simple cover plate is usually used to close the cable well to prevent people from entering casually or external objects from falling into the well. However, such a simple cover plate often has no locking device, resulting in the cover plate being easily opened by unauthorized personnel, thus there are potential safety hazards such as cable theft, damage to equipment in the well, and accidental falling of personnel. In addition, some existing locking devices have complex structures, are inconvenient to install, and are easily damaged, unable to meet the safety requirements of cable well management. Content of the Utility Model

[0003] The utility model provides a locking device for a cable well cover plate to solve the technical problem that the manhole cover of the existing cable well has no locking device, resulting in the cover plate being easily opened by unauthorized personnel.

[0004] To solve the above problems, a locking device for a cable well cover plate provided by the utility model adopts the following technical solutions:

[0005] A locking device for a cable well cover plate includes a base frame and a cover plate. The base frame is arranged at the cable well opening and is adapted to the cable well opening. A first lock plate is provided on the cover plate, a first lock hole is opened on the first lock plate, a second lock plate corresponding to the first lock plate is provided on the base frame, a second lock hole corresponding to the first lock hole one by one is opened on the second lock plate, and the base frame and the cover plate are connected together by a U-shaped lock passing through the corresponding first lock hole and second lock hole.

[0006] The beneficial effect is that when the locking device for a cable well cover plate of the utility model is in use, by setting the first lock holes on the first lock plate and the second lock holes on the second lock plate in one-to-one correspondence, and then connecting the corresponding first lock holes and second lock holes through a U-shaped lock, thereby connecting the corresponding first lock plate and second lock plate together, and further connecting the base frame and the cover plate together. When the locking device for a cable well cover plate of the utility model is in use, it has a simple structure, is convenient to manufacture, and at the same time prevents unauthorized personnel from opening the cover plate of the cable well opening.

[0007] Further, one first lock hole and one second lock hole are opened. A first limiting structure is further provided on the base frame, and a second limiting structure adapted to the first limiting structure is provided on the cover plate. The first limiting structure and the second limiting structure cooperate to enable the cover plate to move only in a direction perpendicular to the surface of the cover plate.

[0008] Beneficial effect: The structure is simple, avoiding accidents where it is difficult to remove and install the cover plate due to setting multiple U-shaped locks.

[0009] Further, the first limiting structure includes at least two vertical rods disposed on the base frame and extending in the vertical direction, and the second limiting structure includes fixing rings corresponding to and adapted to the vertical rods one by one. The vertical rods are inserted into the corresponding fixing rings so that the cover plate can only move in a direction perpendicular to the surface of the cover plate.

[0010] Advantageous effects: The structure is simple, facilitating installation and fabrication.

[0011] Further, the first limiting structure is a limiting groove opened on the upper surface of the base frame, the opening of the limiting groove faces upward, the second limiting structure is a limiting rod opened on the bottom surface of the cover plate, the limiting rod is adapted to the limiting groove, and when the cover plate covers the base frame, the limiting rod is inserted into the limiting groove so that the cover plate can only move in a direction perpendicular to the surface of the cover plate.

[0012] Advantageous effects: The structure is stable, avoiding accidents where the cover plate cannot close the wellhead of the cable well due to damage to the limiting rod or the limiting groove.

[0013] Further, the base frame is fixedly installed at the wellhead of the cable well.

[0014] Advantageous effects: The connection is stable.

[0015] Further, the base frame is welded at the wellhead of the cable well.

[0016] Further, the first lock plate is welded on the cover plate, and the second lock plate is welded on the base frame.

[0017] Advantageous effects: The connection is stable, avoiding damage. Description of the Drawings

[0018] By referring to the accompanying drawings and reading the following detailed description, the above and other objects, features, and advantages of the exemplary embodiments of the present utility model will become readily understood. In the drawings, several embodiments of the present utility model are shown in an exemplary rather than restrictive manner, and the same or corresponding reference numerals represent the same or corresponding parts, where:

[0019] Figure 1 is a schematic structural view of the base frame of the first embodiment of the present utility model;

[0020] Figure 2 is a schematic structural view of the cover plate of the first embodiment of the present utility model;

[0021] Figure 3 is a schematic structural view of the base frame of the second embodiment of the present utility model;

[0022] Figure 4 is a schematic structural view of the cover plate of the second embodiment of the present utility model.

[0023] Description of the Reference Numerals:

[0024] 1. Base frame; 2. Cover plate; 3. First locking plate; 4. Second locking plate; 5. First locking hole; 6. Second locking hole; 7. Vertical rod; 8. Fixed ring; 9. Limit groove; 10. Limit rod. Detailed implementation mode

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Those skilled in the art should know that the embodiments described below are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

[0026] The quantity of any element in the drawings is for illustration rather than limitation, and any naming is only for distinction and does not have any restrictive meaning.

[0027] Next, with reference to several representative implementation modes of the present invention, the principles and spirits of the present invention will be elaborated in detail.

[0028] Embodiment 1 of a locking device for a cable well cover plate provided by the present invention:

[0029] As Figure 1 and Figure 2 shown, a locking device for a cable well cover plate 2 of the present invention includes a base frame 1, a cover plate 2 and a U-shaped lock.

[0030] A first locking plate 3 is welded on the cover plate 2, a first locking hole 5 is formed on the first locking plate 3, and a second limiting structure is provided on the cover plate 2. The second limiting structure includes two fixed rings 8 arranged at intervals in the left-right direction.

[0031] The base frame 1 is welded at the cable well opening and is adapted to the cable well opening. A second locking plate 4 corresponding to the first locking plate 3 is welded on the base frame 1, and a second locking hole 6 corresponding to the first locking hole 5 one by one is formed on the second locking plate 4. A first limiting structure is also provided on the base frame 1. The first limiting structure includes two vertical rods 7 welded on the base frame 1 and extending in the up-down direction. The two vertical rods 7 are arranged and adapted to the two fixed rings 8 one by one, and the vertical rods 7 are inserted into the corresponding fixed rings 8 so that the cover plate 2 can only move in a direction perpendicular to the surface of the cover plate 2.

[0032] The first limiting structure and the second limiting structure cooperate to enable the cover plate 2 to only move in a direction perpendicular to the surface of the cover plate 2.

[0033] When the cable well cover locking device of the present utility model is in use, the first lock holes 5 on the first lock plate 3 are arranged in one-to-one correspondence with the second lock holes 6 on the second lock plate 4, and then the U-shaped lock is used to lock the corresponding first lock hole 5 and second lock hole 6, thereby connecting the corresponding first lock plate 3 and second lock plate 4 together, and further connecting the base frame 1 and the cover plate 2 together.

[0034] When the cable well cover locking device of the present utility model is in use, it has a simple structure and is convenient to manufacture. At the same time, it can prevent unauthorized personnel from opening the cover plate of the cable well opening.

[0035] Embodiment 2 of the cable well cover locking device provided by the present utility model:

[0036] The main difference from Embodiment 1 is that in Embodiment 1, the first limiting structure includes at least two vertical rods arranged on the base frame and extending in the up and down directions, and the second limiting structure includes fixing rings corresponding to and adapted to each vertical rod. The vertical rods are inserted into the corresponding fixing rings so that the cover plate can only move in a direction perpendicular to the surface of the cover plate.

[0037] In this embodiment, as Figure 3 and Figure 4 shown, the first limiting structure is a limiting groove 9 opened on the upper surface of the base frame 1, the opening of the limiting groove 9 faces upward, the second limiting structure is a limiting rod 10 opened on the bottom surface of the cover plate 2, the limiting rod 10 is adapted to the limiting groove 9, and when the cover plate 2 covers the base frame 1, the limiting rod 10 is inserted into the limiting groove 9 so that the cover plate 2 can only move in a direction perpendicular to the surface of the cover plate 2.

[0038] Embodiment 3 of the cable well cover locking device provided by the present utility model:

[0039] The main difference from Embodiment 1 is that in Embodiment 1, the first lock plate is welded to the cover plate.

[0040] In this embodiment, the first lock plate is integrally formed on the cover plate.

[0041] Embodiment 4 of the cable well cover locking device provided by the present utility model:

[0042] The main difference from Embodiment 1 is that in Embodiment 1, the second lock plate is welded to the base frame.

[0043] In this embodiment, the second lock plate is integrally formed on the base frame.

[0044] Based on the above description of this specification, those skilled in the art can also understand the terms used as follows. For example, terms indicating orientation or positional relationship such as "upper", "lower", "front", "rear", "left", "right", "width", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings of this specification. It is only for the purpose of facilitating the description of the solution of the present invention and simplifying the description, rather than explicitly or implicitly indicating that the device or element involved must have the specific orientation, be constructed and operated in the specific orientation. Therefore, the above terms of orientation or positional relationship cannot be understood or interpreted as a limitation to the solution of the present invention.

[0045] As described above, it is only a preferred embodiment of the present invention and does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments by using the methods and technical content disclosed above within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

[0046] In addition, in the description of this specification, the meaning of "a plurality of" is at least two, such as two, three or more, etc., unless otherwise specifically defined.

Claims

1. A cable well cover locking device, characterized in that, It includes a base frame and a cover plate. The base frame is arranged at the wellhead of the cable shaft and is adapted to the wellhead of the cable shaft. A first locking plate is provided on the cover plate, and a first locking hole is formed in the first locking plate. A second locking plate corresponding to the first locking plate is provided on the base frame, and a second locking hole corresponding to the first locking hole one by one is formed in the second locking plate. The base frame and the cover plate are connected together by a U-shaped lock passing through the corresponding first locking hole and second locking hole.

2. The cable trench cover locking device according to claim 1, characterized in that, One first locking hole and one second locking hole are provided respectively. A first limiting structure is further provided on the base frame, and a second limiting structure adapted to the first limiting structure is provided on the cover plate. The first limiting structure and the second limiting structure cooperate to enable the cover plate to move only in a direction perpendicular to the surface of the cover plate.

3. The cable well cover locking device according to claim 2, characterized in that, The first limiting structure includes at least two vertical rods arranged on the base frame and extending in the up and down direction. The second limiting structure includes fixing rings corresponding to and adapted to the vertical rods one by one. The vertical rods are inserted into the corresponding fixing rings to enable the cover plate to move only in a direction perpendicular to the surface of the cover plate.

4. A cable trench cover locking device according to claim 2, characterized in that, The first limiting structure is a limiting groove formed on the upper surface of the base frame, and the opening of the limiting groove faces upward. The second limiting structure is a limiting rod formed on the bottom surface of the cover plate, and the limiting rod is adapted to the limiting groove. When the cover plate covers the base frame, the limiting rod is inserted into the limiting groove to enable the cover plate to move only in a direction perpendicular to the surface of the cover plate.

5. A cable well cover locking device according to any one of claims 1-4, characterized in that, The base frame is fixedly arranged at the wellhead of the cable shaft.

6. The cable well cover locking device according to claim 5, characterized in that, The base frame is welded at the wellhead of the cable shaft.

7. A cable trench cover locking device according to any one of claims 1-4, characterized in that The first locking plate is welded on the cover plate, and the second locking plate is welded on the base frame.

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