CN221194652U

CN221194652U - Padlock mechanism of low-voltage complete switch equipment

Info

Publication number: CN221194652U
Application number: CN202322628344.4U
Authority: CN
Inventors: 李晓东; 章晓洁
Original assignee: Deguixing Electric Power Technology Co ltd
Current assignee: Deguixing Electric Power Technology Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-06-21
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses a padlock mechanism of low-voltage complete switch equipment, which relates to the technical field of low-voltage complete equipment and comprises a low-voltage machine case and a protective cover, wherein an automatic padlock component and a buffer component are arranged between the low-voltage machine case and the protective cover, one side of the protective cover is rotationally connected to one side of the low-voltage machine case, and the automatic padlock component comprises a mounting groove, an insulating protective shell, a limiting movable groove, a rotary fixed shaft, a movable clamping rod, a first guide inclined surface, a fixed clamping groove, a guide plate and a second guide inclined surface; according to the technical scheme provided by the utility model, the automatic padlock component is arranged, specifically, after the work is finished, a user directly pushes the protective cover under the condition that the lock head is opened, at the moment, the U-shaped clasp can be clamped into the fixing clamping groove through the first guide surface and the second guide surface, so that the protective cover is fixed, then the lock head is closed and the key is pulled out, the automatic padlock can be carried out on the protective cover, the lock head is not required to be additionally arranged, and the use is convenient.

Description

Padlock mechanism of low-voltage complete switch equipment

Technical Field

The utility model relates to the technical field of low-voltage complete equipment, in particular to a padlock mechanism of low-voltage complete equipment.

Background

The low voltage plant means a plant used in a voltage class of 380V or less. The latter is considered from the safety point of view, but the two are not contradictory, because in a power generation and distribution system, a low-voltage appliance refers to a 380V power distribution system, and therefore, in actual operation, a low-voltage kit refers to an electric appliance used in a voltage class of 380V or below.

The utility model discloses a low pressure switchgear padlock mechanism in chinese patent document CN 218563335U, which comprises a bod, the inner wall fixedly connected with slide bar of organism, and the outer wall swing joint of slide bar has solid fixed ring, gu fixed ring's outer wall fixedly connected with shield cover, and shield cover's front fixedly connected with mount, one side fixedly connected with U-shaped snap ring of mount, the front fixedly connected with stop gear of organism, it passes through stop gear's setting, when the user forgets to close the shield cover, through the stop gear who sets up, the automatic padlock of shield cover completion through external force has been made things convenient for, forget the condition of closing when having prevented the user from leaving takes place, thereby guaranteed the inside clean and tidy nature of organism, prevented that the inside part of organism from contacting with the outside for a long time from causing the condition of damage to take place, and then increased the clean and tidy nature of whole device, improved the practicality of whole device, but set up like this and although can carry out automatic padlock to the shield cover, after closing the shield cover, still need additionally install the tapered end and just can lock the shield cover, use inconveniently, consequently need to improve.

Disclosure of utility model

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a padlock mechanism of low-voltage complete switch equipment, which is used for solving the problems that a protective cover can be locked only by additionally installing a lock head after the protective cover is closed in the prior art and is inconvenient to use.

In view of the above, the utility model provides a padlock mechanism of low-voltage complete switch equipment, which comprises a low-voltage machine case and a protective cover, wherein an automatic padlock component and a buffer component are arranged between the low-voltage machine case and the protective cover, and one side of the protective cover is rotatably connected with one side of the low-voltage machine case;

The automatic padlock assembly comprises a mounting groove, an insulating protective housing, a limiting movable groove, a rotary fixing shaft, a movable clamping rod, a first guide inclined surface, a fixing clamping groove, a guide plate, a second guide inclined surface, a first reset tension spring, a lock head, a driving pull rod, a fixing plate, a U-shaped clamping ring and a fitting plane, wherein the mounting groove is formed in one side of a low-voltage machine box, the insulating protective housing is fixedly arranged on the inner side of the mounting groove, the limiting movable groove is formed in one end of the insulating protective housing, the rotary fixing shaft is fixedly arranged inside the insulating protective housing, and the movable clamping rod is rotationally connected to the outer wall of the rotary fixing shaft.

Optionally, the first guide inclined plane is offered in activity kelly one end, fixed draw-in groove is offered in activity kelly one end lateral wall, deflector fixed connection is in insulating protective housing one end, the second guide inclined plane is offered in deflector one end, the extension spring that resets sets up in activity kelly one end, tapered end one end fixed mounting is inside insulating protective housing, fixed plate fixed mounting is in protective cover one side, U-shaped snap ring one end fixed connection is in fixed plate one side, the agreeing with the plane and offering in U-shaped snap ring both sides.

Optionally, activity kelly one end is located spacing movable groove inboard, just activity kelly one end runs through in spacing movable groove setting in insulating protective housing one end outside, activity kelly one end is located the deflector upper and lower both sides, first direction inclined plane is located the second direction inclined plane outside.

Optionally, one end of the first reset tension spring is fixedly arranged at one end of the movable clamping rod, and the other end of the first reset tension spring is fixedly arranged inside the insulating protective shell.

Optionally, one end of the driving pull rod is rotatably connected to the output end of the lock head, and the other end of the driving pull rod is rotatably connected to the inner side of one end of the movable clamping rod.

Optionally, the U-shaped snap ring is sleeved outside the guide plate, and the U-shaped snap ring is matched with the fixing clamping groove.

Optionally, the engagement plane is abutted against the inner side of the fixing clamping groove.

Optionally, the buffer module is including removing circular slot, U-shaped buffer rod, spacing lug and second extension spring that resets, it sets up in insulating protective housing one end to remove the circular slot, U-shaped buffer rod one end sliding connection is inside removing the circular slot, spacing lug fixed connection is at U-shaped buffer rod one end outer wall, second extension spring fixed mounting that resets is inboard at U-shaped buffer rod.

Optionally, U-shaped buffer rod one end diameter and remove circular slot one end internal diameter phase-match, U-shaped buffer rod one end supports to establish in agreeing with plane one side, spacing lug one end supports to establish in removing circular slot one end.

Optionally, second extension spring one end fixed connection is inboard at U-shaped buffer rod one end, second extension spring other end fixed connection is in insulating protective housing one end.

From the above technical solutions, the embodiment of the present utility model has the following advantages:

1. according to the padlock mechanism of the low-voltage complete switch equipment, the automatic padlock component is arranged, specifically, after the work is completed, a user directly pushes the protective cover under the condition that the lock head is opened, at the moment, the U-shaped clamping ring is clamped into the fixing clamping groove through the first guide surface and the second guide surface, so that the protective cover is fixed, then the lock head is closed and the key is pulled out, the protective cover can be automatically padlock, the lock head is not required to be additionally arranged, and the use is convenient.

2. According to the padlock mechanism of the low-voltage complete switch equipment, the buffer assembly is arranged specifically, when the protective cover is closed, the fit plane of the U-shaped clamping ring is contacted with one end of the U-shaped buffer rod at the closing moment, and then the U-shaped buffer rod is buffered by the second reset tension spring when being impacted by the U-shaped clamping ring, so that the protective cover is buffered, and the phenomenon that the body is damaged due to overlarge impact force of the protective cover is prevented.

These features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.

Drawings

The utility model is further described with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an expanded view of the protective cover of the present utility model;

FIG. 3 is a diagram showing the connection between the U-shaped clamping ring and the fixing plate;

Fig. 4 is a side partial cross-sectional view of an automatic padlock assembly of the present utility model;

fig. 5 is an enlarged view of a portion of fig. 1a of the present utility model.

Reference numerals illustrate: 1. a low pressure chassis; 2. a protective cover; 301. a mounting groove; 302. an insulating protective shell; 3021. a limit movable groove; 303. rotating the fixed shaft; 304. a movable clamping rod; 305. a first guiding inclined surface; 306. a fixing slot; 307. a guide plate; 308. a second guiding inclined surface; 309. a first reset tension spring; 310. a lock head; 311. driving the pull rod; 312. a fixing plate; 313. a U-shaped clasp; 314. a fitting plane; 401. moving the circular groove; 402. a U-shaped buffer rod; 403. a limit bump; 404. and a second reset tension spring.

Detailed Description

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.

A padlock mechanism for a low voltage switchgear assembly according to an embodiment of the present utility model is described in detail below with reference to the accompanying drawings.

Example 1

For easy understanding, referring to fig. 1 to 5, an embodiment of a padlock mechanism of a low-voltage switchgear set provided by the utility model includes a low-voltage cabinet 1 and a protective cover 2, an automatic padlock assembly and a buffer assembly are arranged between the low-voltage cabinet 1 and the protective cover 2, and one side of the protective cover 2 is rotatably connected to one side of the low-voltage cabinet 1;

It should be noted that, the inside of the low-voltage cabinet 1 is provided with a low-voltage complete switch component, wherein the protective cover 2 is used for protecting the low-voltage component inside the low-voltage cabinet 1, and the protective cover 2 and the low-voltage cabinet 1 are hinged through the installation hinge, so that the protective cover 2 can be rotated and opened on the low-voltage cabinet 1.

The automatic padlock component comprises a mounting groove 301, an insulating protective shell 302, a limiting movable groove 3021, a rotary fixing shaft 303, a movable clamping rod 304, a first guide inclined plane 305, a fixed clamping groove 306, a guide plate 307, a second guide inclined plane 308, a first reset tension spring 309, a lock head 310, a driving pull rod 311, a fixed plate 312, a U-shaped clamping ring 313 and a fitting plane 314, wherein the mounting groove 301 is arranged on one side of the low-voltage cabinet 1, the insulating protective shell 302 is fixedly arranged on the inner side of the mounting groove 301, the limiting movable groove 3021 is arranged at one end of the insulating protective shell 302, the rotary fixing shaft 303 is fixedly arranged inside the insulating protective shell 302, the movable clamping rod 304 is rotatably connected to the outer wall of the rotary fixing shaft 303, the first guide inclined plane 305 is arranged at one end of the movable clamping rod 304, the fixed clamping groove 306 is arranged on one end of the movable clamping rod 304, the guide plate 307 is fixedly connected to one end of the insulating protective shell 302, the second guide inclined plane 308 is arranged at one end of the guide plate 307, the first reset tension spring 309 is arranged at one end of the movable clamping rod 304, one end of the lock head 310 is fixedly arranged in the insulating protective shell 302, the fixed plate 312 is fixedly arranged at one side of the protective cover 2, one end of the U-shaped clamping ring 313 is fixedly connected at one side of the fixed plate 312, the fit plane 314 is arranged at two sides of the U-shaped clamping ring 313, one end of the movable clamping rod 304 is positioned at the inner side of the limiting movable groove 3021, one end of the movable clamping rod 304 penetrates through the limiting movable groove 3021 and is arranged at the outer side of one end of the insulating protective shell 302, one end of the movable clamping rod 304 is positioned at the upper side and the lower side of the guide plate 307, the first guide inclined plane 305 is positioned at the outer side of the second guide inclined plane 308, one end of the first reset tension spring 309 is fixedly arranged at one end of the movable clamping rod 304, the other end of the first reset tension spring 309 is fixedly arranged in the insulating protective shell 302, one end of the driving tension spring 311 is rotatably connected at the output end of the lock head 310, the other end of the driving tension spring 311 is rotatably connected at the inner side of one end of the movable clamping rod 304, the U-shaped snap ring 313 is sleeved outside the guide plate 307, the U-shaped snap ring 313 is matched with the fixing clamping groove 306, and the fit plane 314 is propped against the inner side of the fixing clamping groove 306.

It should be noted that the function of setting the automatic padlock assembly is to be used for carrying out automatic padlock on the protective cover 2, and there is no need to add the lock head 310, so that the use is convenient for the user, and, the condition that the user forgets to close when leaving is prevented, thereby ensuring the internal neatness of the machine body, the condition that the parts inside the machine body are damaged due to long-time contact with the outside is prevented, further the neatness of the whole device is increased, wherein the function of independently setting the insulating protective shell 302 is that the automatic padlock assembly is effectively shielded from the low-voltage electric appliance inside the device by utilizing the insulating protective shell 302, the condition of effectively preventing serial electricity is effectively prevented, the function of setting the limit movable groove 3021 is that when the movable clamping rod 304 is rotated by taking the rotary fixed shaft 303 as the rotary fixed shaft 303, one end of the movable clamping rod 304 is limited by the limit movable groove 3021, the function of setting the first guide inclined plane 305 and the second guide inclined plane 308 is prevented, when the protective cover 2 is closed by pushing the protective cover 312, the U-shaped clamping ring 313 can be driven to rotate by the fixed plate 312, then the U-shaped clamping ring 313 can be reset by the first guide inclined plane 305 and the second guide inclined plane 308, the U-shaped clamping ring 313 can be effectively shielded from the low-voltage electric appliance inside the device, the condition is effectively prevented from being electrically, the condition that the serial electricity is effectively prevented, but the movable clamping rod is reset by the movable clamping rod is set up end 310 is reset by the movable clamping rod is contacted with the movable clamping rod 310, the movable clamping rod 310 is set to the movable clamping rod 310 is reset end 310, the movable end is contacted with the movable clamping rod 310, the key 310 is set to be can be opened, and the key 310 is opened, at this time, the output end of the lock head 310 can be made to rotate, when the output end of the lock head 310 rotates, the set driving pull rod 311 can be pulled, and then the driving pull rod 311 can pull one end of the movable clamping rod 304, so that one end of the movable clamping rod 304 overcomes the elastic force of the first reset tension spring 309, the other end of the movable clamping rod 304 is opened outwards, the set fixing clamping groove 306 can be separated from the U-shaped clamping ring 313, and the set fitting plane 314 has the function that the U-shaped clamping ring 313 is clamped by the inner side of the fixing clamping groove 306 through the setting of the fitting plane 314 and the planar design, so that the U-shaped clamping ring 313 is prevented from being separated.

Example 2

In some embodiments, as shown in fig. 1, 3 and 4, the buffer assembly includes a moving circular groove 401, a U-shaped buffer rod 402, a limiting bump 403 and a second reset tension spring 404, where the moving circular groove 401 is opened at one end of the insulating protection shell 302, one end of the U-shaped buffer rod 402 is slidably connected inside the moving circular groove 401, the limiting bump 403 is fixedly connected to an outer wall of one end of the U-shaped buffer rod 402, the second reset tension spring 404 is fixedly installed inside the U-shaped buffer rod 402, one end diameter of the U-shaped buffer rod 402 is matched with an inner diameter of one end of the moving circular groove 401, one end of the U-shaped buffer rod 402 is propped against one side of the engagement plane 314, one end of the limiting bump 403 is propped against one end of the moving circular groove 401, one end of the second reset tension spring 404 is fixedly connected inside one end of the U-shaped buffer rod 402, and the other end of the second reset tension spring 404 is fixedly connected to one end of the insulating protection shell 302.

It should be noted that, the function of setting up buffer assembly is used for buffering protective cover 2, the impact dynamics that has prevented protective cover 2 is too big causes the organism to take place the phenomenon that damages, the function of setting up and moving circular slot 401 is used for U-shaped buffer rod 402 to slide, the function of U-shaped buffer rod 402 is used for supporting the fit plane 314 that U-shaped snap ring 313 one side set up, the one end of U-shaped buffer rod 402 is located the upper and lower both sides of deflector 307, simultaneously support the two upper and lower positions of fit plane 314 to U-shaped snap ring 313 one side simultaneously, comparatively even when the atress, the function of setting up spacing lug 403 is used for spacing the volume that U-shaped buffer rod 402 stretches out, the function of setting up second extension spring 404 is, the one end of second extension spring 404 is connected one end of insulating protective housing 302, the bottom of U-shaped buffer rod 402 is connected to the other end, thereby can stimulate U-shaped buffer rod 402, when closing protective cover 2, the fit plane 314 of U-shaped snap ring 313 contacts with U-shaped buffer rod 402 one end, then the second extension spring can receive U-shaped snap ring 313 to reset the impact dynamics that can take place the protective cover 2 greatly to prevent that the impact to damage to the protective cover 2 from taking place the fact the impact.

Working principle: when in use, when a user needs to use, the key is inserted into the lock head 310, the key is turned once, the lock of the lock head 310 is released, then the key is turned, at this time, the output end of the lock cylinder of the lock head 310 pulls the driving pull rod 311, then one end of the driving pull rod 311 pulls one end of the movable clamping rod 304, one end of the movable clamping rod 304 overcomes the pulling force of the first reset tension spring 309, one ends of the two movable clamping rods 304 move in opposite directions, and under the supporting action of the rotary fixing shaft 303, the other ends of the two movable clamping rods 304 move oppositely to open, so that the fixed clamping groove 306 and the fit plane 314 formed on one side of the U-shaped clamping ring 313 are separated, at this time, the U-shaped clamping ring 313 can be pulled to open the protective cover 2 for use, after the user finishes using, at this time, the protective cover 2 is directly pushed, in the closing process, at first, the U-shaped clamping ring 313 can be contacted with the second guide inclined surface 308 formed on the fixed plate 312, one end of the movable clamping rod 304 moves in opposite directions, and is contacted with the first guide inclined surface 305 at one end of the movable clamping rod 304, the first guide inclined surface 305 is contacted with the first guide inclined surface 305 at this time, the first guide inclined surface of the movable clamping rod 304 is contacted with the first guide inclined surface 305, the movable clamping rod 304 is opened, the other end of the movable clamping rod 304 is closed, at the end of the movable clamping rod 304 is contacted with the first end of the movable clamping rod 313, thereby the end is closed, and the end of the protective cover 2 is closed, and is kept by the protective cover 2, and is closed, when the protective cover is closed, and is closed by the protective cover 2, then the U-shaped buffer rod 402 can utilize the second extension spring 404 that resets to cushion when receiving U-shaped snap ring 313 striking to cushion protective cover 2, prevented that the impact dynamics of protective cover 2 is too big and caused the organism to take place the phenomenon of damage, closed the back, rotatory tapered end 310's key makes tapered end 310 be locking state, can lock protective cover 2, prevents that irrelevant personnel from opening.

The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A padlock mechanism for a low voltage switchgear, comprising: the automatic padlock assembly and the buffer assembly are arranged between the low-pressure box (1) and the protective cover (2), and one side of the protective cover (2) is rotationally connected to one side of the low-pressure box (1);

The automatic padlock assembly comprises a mounting groove (301), an insulating protective housing (302), a limiting movable groove (3021), a rotary fixing shaft (303), a movable clamping rod (304), a first guide inclined plane (305), a fixing clamping groove (306), a guide plate (307), a second guide inclined plane (308), a first reset tension spring (309), a lock head (310), a driving pull rod (311), a fixing plate (312), a U-shaped clamping ring (313) and a fitting plane (314), wherein the mounting groove (301) is formed in one side of a low-voltage box (1), the insulating protective housing (302) is fixedly mounted on the inner side of the mounting groove (301), the limiting movable groove (3021) is formed in one end of the insulating protective housing (302), the rotary fixing shaft (303) is fixedly mounted inside the insulating protective housing (302), and the movable clamping rod (304) is rotationally connected to the outer wall of the rotary fixing shaft (303).

2. A low voltage switchgear padlock mechanism as claimed in claim 1, wherein: the utility model discloses a protective cover, including movable clamping rod (304), fixed clamping groove (306), deflector (307) fixed connection is in insulating protective housing (302) one end, second guide inclined plane (308) are seted up in deflector (307) one end, first extension spring (309) that resets sets up in movable clamping rod (304) one end, tapered end (310) one end fixed mounting is inside insulating protective housing (302), fixed plate (312) fixed mounting is in protective cover (2) one side, U-shaped snap ring (313) one end fixed connection is in fixed plate (312) one side, agreeing with plane (314) and seting up in U-shaped snap ring (313) both sides.

3. A low voltage switchgear padlock mechanism as claimed in claim 1, wherein: one end of the movable clamping rod (304) is located inside the limiting movable groove (3021), one end of the movable clamping rod (304) penetrates through the limiting movable groove (3021) and is arranged outside one end of the insulating protective shell (302), one end of the movable clamping rod (304) is located on the upper side and the lower side of the guide plate (307), and the first guide inclined plane (305) is located outside the second guide inclined plane (308).

4. A low voltage switchgear padlock mechanism as claimed in claim 1, wherein: one end of the first reset tension spring (309) is fixedly arranged at one end of the movable clamping rod (304), and the other end of the first reset tension spring (309) is fixedly arranged inside the insulating protective shell (302).

5. A low voltage switchgear padlock mechanism as claimed in claim 1, wherein: one end of the driving pull rod (311) is rotationally connected with the output end of the lock head (310), and the other end of the driving pull rod (311) is rotationally connected with the inner side of one end of the movable clamping rod (304).

6. A low voltage switchgear padlock mechanism as claimed in claim 1, wherein: the U-shaped clamping ring (313) is sleeved on the outer side of the guide plate (307), and the U-shaped clamping ring (313) is matched with the fixing clamping groove (306).

7. A low voltage switchgear padlock mechanism as claimed in claim 1, wherein: the fit plane (314) is abutted against the inner side of the fixed clamping groove (306).

8. A low voltage switchgear padlock mechanism as claimed in claim 1, wherein: the buffer assembly comprises a movable round groove (401), a U-shaped buffer rod (402), a limiting lug (403) and a second reset tension spring (404), wherein the movable round groove (401) is formed in one end of the insulating protective shell (302), one end of the U-shaped buffer rod (402) is slidably connected inside the movable round groove (401), the limiting lug (403) is fixedly connected to the outer wall of one end of the U-shaped buffer rod (402), and the second reset tension spring (404) is fixedly arranged on the inner side of the U-shaped buffer rod (402).

9. The low voltage switchgear padlock mechanism of claim 8, wherein: the diameter of one end of the U-shaped buffer rod (402) is matched with the inner diameter of one end of the movable circular groove (401), one end of the U-shaped buffer rod (402) is propped against one side of the fit plane (314), and one end of the limit lug (403) is propped against one end of the movable circular groove (401).

10. The low voltage switchgear padlock mechanism of claim 8, wherein: one end of the second reset tension spring (404) is fixedly connected to the inner side of one end of the U-shaped buffer rod (402), and the other end of the second reset tension spring (404) is fixedly connected to one end of the insulating protection shell (302).