CN214124400U

CN214124400U - Device for preventing tripping of mechanical connecting rod lock of power distribution cabinet

Info

Publication number: CN214124400U
Application number: CN202022759466.3U
Authority: CN
Inventors: 丁剑雄; 曹建华; 周景; 姜振楠; 赵亮; 郭玉龙; 何斌; 徐景璞
Original assignee: Ningxia Licheng Group Co ltd
Current assignee: Ningxia Licheng Group Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-09-03
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a device for preventing tripping of a mechanical connecting rod lock of a power distribution cabinet, which relates to the technical field of lock catch structures, and mainly comprises a shell, a driving transmission mechanism, a butting mechanism and a traction mechanism; the driving transmission mechanism is arranged in the shell, and an operating handle of the driving transmission mechanism extends out of the shell; the driving transmission mechanism is in power connection with the butting mechanism, and the butting mechanism is in power connection with the traction mechanism; the top and the bottom of the shell are respectively provided with a through hole, and the traction mechanism penetrates through the through holes and is connected with the lock cylinder; the structure has strong connectivity, is not easy to wear, and has the advantages of small structure size and simple process; can be under the prerequisite of the harmless high-voltage cabinet body, rotate the operation handle through the manpower in the short time and can solve because of connecting rod snap ring department dropout leads to the problem that the cabinet door can't be opened. Has the functions of preventing electric shock and preventing the misoperation of irrelevant personnel.

Description

Device for preventing tripping of mechanical connecting rod lock of power distribution cabinet

Technical Field

The utility model relates to a hasp technical field especially relates to a device of distribution cabinet mechanical linkage lock dropout.

Background

At present, in order to ensure safe operation of power equipment, various mechanical locks, electromagnetic locks and pneumatic locks are required to be produced, and the electromagnetic locks, the pneumatic locks and the like are not firm in locking due to complicated structures and other factors, so that the connecting rod locks are mainly used by the firm mechanical structures due to simple and firm locking, and the connecting rod locks are particularly wide in the power distribution industry, especially in high-voltage power distribution cabinets.

The link lock is the biggest problem now that the mechanical link lock is easy to be locked or the buckle is easy to be released. The problem cannot be solved by using common tools in a short time, and certain potential safety hazards exist when the tool cannot be opened at a critical moment. The disadvantages are as follows: 1. the common tools are not easy to disassemble, the surface of the cabinet body is easy to scratch when the common tools are disassembled, and key parts are broken possibly to cause that the common tools cannot be completely opened. 2. Once the door is stuck, for example, a KYN28 cabinet door, the problem is difficult to solve by a small-gap common tool, and the outer surface of the door cannot be taken down by hands.

Disclosure of Invention

For solving the technical problem, the utility model provides a device of preventing distribution cabinet machinery connecting rod lock dropout can solve the problem that the high-voltage board cabinet door can't be opened in the short time when connecting rod snap close ring department dropout can't be opened.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a device for preventing the tripping of a mechanical connecting rod lock of a power distribution cabinet, which comprises a shell, a driving transmission mechanism, a butting mechanism and a traction mechanism; the driving transmission mechanism is arranged in the shell, and an operating handle of the driving transmission mechanism extends out of the shell; the driving transmission mechanism is in power connection with the butting mechanism, and the butting mechanism is in power connection with the traction mechanism; the top and the bottom of the shell are respectively provided with a through hole, and the traction mechanism penetrates through the through holes and is connected with the lock cylinder.

Optionally, the driving transmission mechanism comprises a rotating shaft, a fixed ring, a thrust column, a rotating chassis and a limiting table; the operating handle is arranged at one end of the rotating shaft, and the other end of the rotating shaft extends into the shell and is connected with the rotating chassis; the fixed ring is sleeved on the rotating shaft and is movably connected with one end of each of the plurality of thrust column strips, and one limiting table is arranged at the other end of each thrust column strip.

Optionally, the docking mechanism comprises a gear; a plurality of tracks are arranged on the rotating chassis, and the limiting table can be slidably arranged in the tracks; the traction mechanism is in power connection with the gear.

Optionally, a limiting spring is arranged between the limiting table and the central hole of the gear.

Optionally, the rotating chassis further comprises a positioning spring, one end of the positioning spring is connected with the other end of the rotating shaft, and the other end of the positioning spring is connected with the rotating chassis.

Optionally, a plurality of connecting teeth are arranged on the outer wall of the gear, the connecting teeth are connected with the traction mechanism, a plurality of limiting grooves are arranged at the tooth roots of the gear, and the positions of the limiting grooves correspond to the positions of the limiting table.

Optionally, an arc-shaped groove plate is arranged between the adjacent limiting grooves.

Optionally, the traction mechanism comprises a traction net and an elastic rack; the traction net is arranged at one end of the elastic rack, and the other end of the elastic rack is connected with the driving transmission mechanism.

Optionally, the elastic rack is made of a rubber material.

Optionally, the traction net is connected with one end of the elastic rack through a screw.

The utility model discloses for prior art gain following technological effect:

the utility model discloses a device for preventing the tripping of a mechanical connecting rod lock of a power distribution cabinet, which mainly comprises a shell, a driving transmission mechanism and a traction mechanism; the structure has strong connectivity, is not easy to wear, and has the advantages of small structure size and simple process; can be under the prerequisite of the harmless high-voltage cabinet body, rotate the operation handle through the manpower in the short time and can solve because of connecting rod snap ring department dropout leads to the problem that the cabinet door can't be opened. Has the functions of preventing electric shock and preventing the misoperation of irrelevant personnel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a device for preventing tripping of a mechanical link lock of a power distribution cabinet according to the present invention;

fig. 2 is a schematic view of a casing of the device for preventing the tripping of the mechanical link lock of the power distribution cabinet of the present invention;

fig. 3 is a schematic view of a part of the structure of the driving transmission mechanism in the device for preventing the tripping of the mechanical link lock of the power distribution cabinet of the present invention;

fig. 4 is a schematic structural view of a docking mechanism in the device for preventing tripping of the mechanical link lock of the power distribution cabinet of the present invention;

fig. 5 is a three-dimensional structure diagram of a gear in the device for preventing the tripping of the mechanical link lock of the power distribution cabinet of the utility model;

fig. 6 is a schematic structural view of a traction mechanism in the device for preventing the tripping of the mechanical link lock of the power distribution cabinet of the utility model;

fig. 7 is a schematic diagram of a specific implementation structure of the device for preventing the tripping of the mechanical link lock of the power distribution cabinet of the present invention.

Description of reference numerals: 1-1, a shell; 1-2, elliptical holes; 1-3, screw fixing holes; 1-4, a right circular hole;

2. the driving transmission mechanism comprises: 2-1, operating a handle; 2-2, a rotating shaft; 2-3, fixing a circular ring; 2-4, a thrust bar; 2-5, a limit table; 2-6, limiting holes;

3. a butt joint mechanism: 3-1, gear; 3-2, arc-shaped groove plates; 3-3, a limiting groove; 3-4, rotating the chassis; 3-5, a central hole; 3-6, track;

4. a traction mechanism; 4-1, a metal traction net; 4-2, fixing screws; 4-3, rubber racks;

5. a limiting spring; 6. a positioning spring; 7. a lock rod upper guide frame; 8. a lock rod lower guide frame; 9. a lock cylinder; 10. a lock bar buckle; 11. a lock cylinder fixing member; 12. the connecting rod lock is a mechanical snap ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the present embodiment provides a device for preventing a mechanical link lock of a power distribution cabinet from being tripped, which includes a housing 1, a driving transmission mechanism 2, a docking mechanism 3, and a traction mechanism 4; the driving transmission mechanism 2 is arranged in the shell 1, and an operating handle 2-1 of the driving transmission mechanism 2 extends out of the shell 1; the driving transmission mechanism 2 is in power connection with the butting mechanism 3, and the butting mechanism 3 is in power connection with the traction mechanism 4; the top and the bottom of the shell 1 are respectively provided with a through hole, and the traction mechanism 4 penetrates through the through holes to be connected with the lock cylinder 9.

In this embodiment, two ends of the casing 1 are respectively provided with an elliptical hole 2, a circular hole 4 is formed on the side surface with the largest area of the casing 1, a plurality of screw fixing holes 3 are formed around the circular hole 4 and located at the edge of the casing 1, and the screw fixing holes 3 are used for fixing the casing 1 to the high-voltage cabinet body.

The driving transmission mechanism 2 comprises a rotating shaft 2-2, the rotating shaft 2-2 penetrates through a front circular hole 4 in the shell 1, the operating handle 2-1 is fixed at one end of the rotating shaft 2-2, a fixed circular ring 2-3 is fixedly arranged on the rotating shaft 2-2 in the shell 1, four thrust column strips 2-4 are arranged on the fixed circular ring 2-3 at intervals of 90 degrees, one ends of the thrust column strips 2-4 can rotate on the fixed circular ring 2-3 for a certain angle, limiting tables 2-5 are arranged at the other ends of the thrust column strips 2-4, the limiting tables 2-5 are trapezoidal tables, and a guide strip is arranged on one side, connected with the thrust column strips 2-4, of each limiting table 2-5. In order to enable the thrust column bars 2-4 to reset, a limiting spring 5 is arranged between the limiting table 2-5 and the butting mechanism 3.

The rotating shaft 2-2 is connected with the center of a rotating chassis 3-4, in order to ensure that the rotating shaft 2-2 can be firmly fixed and can be reset, a positioning spring 6 is arranged between the limiting hole 2-6 and the central hole 3-5 to restrain the rotating shaft, one end of the positioning spring 6 is connected with the limiting hole 2-6, and the other end of the positioning spring is connected with the central hole 3-5. Four groups of tracks 3-6 are arranged on the rotary chassis 3-4, the included angle between the adjacent tracks 3-6 is 90 degrees, each group of tracks 3-6 comprises two L-shaped track pieces, a convex track groove is formed between the two L-shaped track pieces, the guide strip of the limiting table 2-5 is matched with the convex track groove, and the convex track groove is used for guiding the movement direction of the limiting table 2-5.

The butt joint mechanism 3 comprises a gear 3-1, a plurality of connecting teeth are arranged on the outer wall of the gear 3-1, four limiting grooves 3-3 are formed in one side, facing the operating handle 2-1, of the gear 3-1 at intervals of 90 degrees, the limiting grooves 3-3 are trapezoidal grooves, and the trapezoidal grooves can accommodate trapezoidal platforms.

The traction mechanism 4 comprises a metal traction net 4-1 and a rubber rack 4-3, one end of the rubber rack 4-3 is connected with the metal traction net 4-1 through a fixing screw 4-2, and the other end of the rubber rack 4-3 is connected with a connecting tooth on the gear 3-1.

In order to prevent the rubber rack 4-3 from completely separating from the connecting teeth, the other end of the rubber rack 4-3 is fixedly connected with the connecting teeth, such as by gluing, so as to prevent the rubber rack 4-3 from being disconnected from the gear 3-1.

The metal traction net 4-1 is connected with the lock cylinder 9.

When the operating handle 2-1 is pressed, the rotating shaft 2-2 drives the fixed ring 2-3 to move towards the gear 3-1, so that the limiting table 2-5 slides along the track 3-6, the end part of the limiting table 2-5 touches the arc-shaped groove plate 3-2, the operating handle 2-1 is rotated again and continues to be pressed, the limiting table 2-5 and the track 3-6 are rotated, the limiting table 2-5 is inserted into the limiting groove 3-3, the operating handle 2-1 is continuously rotated to drive the gear 3-1 to rotate, so that the rubber rack 4-3 drives the lock column 9 to move, the lock column 9 is separated from the lock rod buckle 10, and the cabinet door is opened.

After the operating handle 2-1 is loosened, the operating handle 2-1 and the fixed ring 2-3 are reset under the action of the positioning spring 6 and the limiting spring 5, the limiting table 2-5 is separated from the limiting groove 3-3, meanwhile, the gear 3-1 rotates due to the elasticity of the rubber rack 4-3, and the gear 3-1 and the rubber rack 4-3 do not pull the lock cylinder 9 any more.

In the device for preventing the tripping of the mechanical link lock of the power distribution cabinet in the embodiment, the gear 3-1 can be driven only by pressing the operating handle 2-1 and then rotating, so that the gear 3-1 and the operating handle 2-1 are not interlocked completely to prevent misoperation.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A device for preventing a mechanical connecting rod lock of a power distribution cabinet from tripping is characterized by comprising a shell, a driving transmission mechanism, a butting mechanism and a traction mechanism; the driving transmission mechanism is arranged in the shell, and an operating handle of the driving transmission mechanism extends out of the shell; the driving transmission mechanism is in power connection with the butting mechanism, and the butting mechanism is in power connection with the traction mechanism; the top and the bottom of the shell are respectively provided with a through hole, and the traction mechanism penetrates through the through holes and is connected with the lock cylinder.

2. The device for preventing the tripping of the mechanical link lock of the power distribution cabinet according to claim 1, wherein the driving transmission mechanism comprises a rotating shaft, a fixed ring, a thrust column, a rotating chassis and a limit table; the operating handle is arranged at one end of the rotating shaft, and the other end of the rotating shaft extends into the shell and is connected with the rotating chassis; the fixed ring is sleeved on the rotating shaft and is movably connected with one end of each of the plurality of thrust column strips, and one limiting table is arranged at the other end of each thrust column strip.

3. The electrical distribution cabinet mechanical linkage lock trip prevention apparatus of claim 2 wherein the docking mechanism comprises a gear; a plurality of tracks are arranged on the rotating chassis, and the limiting table can be slidably arranged in the tracks; the traction mechanism is in power connection with the gear.

4. The apparatus according to claim 3, wherein a limit spring is disposed between the limit table and the central hole of the gear.

5. The apparatus according to claim 2, further comprising a positioning spring, wherein one end of the positioning spring is connected to the other end of the rotating shaft, and the other end of the positioning spring is connected to the rotating chassis.

6. The device for preventing the tripping of the mechanical link lock of the power distribution cabinet according to claim 3, wherein a plurality of connecting teeth are arranged on the outer wall of the gear, the connecting teeth are connected with the traction mechanism, a plurality of limiting grooves are arranged at the root of the gear, and the positions of the limiting grooves correspond to the positions of the limiting tables.

7. The apparatus according to claim 6, wherein an arc-shaped slot plate is disposed between adjacent limiting slots.

8. The apparatus for preventing tripping of a mechanical linkage lock of a power distribution cabinet according to claim 1, wherein the traction mechanism comprises a traction net and an elastic rack; the traction net is arranged at one end of the elastic rack, and the other end of the elastic rack is connected with the driving transmission mechanism.

9. The apparatus according to claim 8, wherein the elastic rack is made of rubber material.

10. The apparatus according to claim 8, wherein the traction net is connected to one end of the elastic rack by a screw.