CN216121301U

CN216121301U - Intelligent switch cabinet with pressure relief protection function

Info

Publication number: CN216121301U
Application number: CN202122062234.7U
Authority: CN
Inventors: 张梓康; 周兴锋
Original assignee: Dingsheng Group Co ltd
Current assignee: Dingsheng Group Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-22
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses an intelligent switch cabinet with a pressure relief protection function, which comprises a switch cabinet body, wherein a pressure relief box is arranged at the upper end of the switch cabinet body, a pressure relief seat is arranged at the position, corresponding to the pressure relief box, of the inner side of the switch cabinet body, a pressure relief opening is formed in the surface of the lower end of the pressure relief seat, a side opening is formed in the outer side of the lower end of the pressure relief seat and communicated with the inside of the pressure relief opening, a sliding plate is connected to the inside of the pressure relief seat in a sliding manner, a sealing head is arranged on the lower surface of the sliding plate and tightly pressed in the pressure relief opening, a pressure relief spring is arranged on the upper side of the sliding plate, and a pushing plate is arranged at the upper end of the pressure relief spring; through the nut and the screw rod of design, rotate through motor drive screw rod when using, the cooperation nut makes the screw rod drive the catch bar and removes to make the catch bar drive the catch plate and press on the guide bar, sticis the assurance shutoff head shutoff on the pressure release mouth when guide bar elasticity diminishes to the guide bar.

Description

Intelligent switch cabinet with pressure relief protection function

Technical Field

The utility model belongs to the technical field of intelligent switch cabinets, and particularly relates to an intelligent switch cabinet with a pressure relief protection function.

Background

The intelligent switch cabinet is a cabinet with high performance, high reliability, certain self-diagnosis and automatic control performance and network communication capability. The switch cabinet is an electric device, the outside line firstly enters the main control switch in the cabinet and then enters the branch control switch, and each branch is set according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment. The intelligent switch cabinet can be divided into a power distribution type, a motor control type and other control function types in form. The distribution type uses an intelligent circuit breaker as a core device, remote control, remote measurement, remote signaling and remote regulation of a distribution circuit are realized by an upper computer, and the motor control type uses a frequency converter and an intelligent motor controller as core devices to realize the optimal control of starting, running and stopping of a motor. Other control type intelligent switch cabinets are control type switch cabinets taking a Programmable Logic Controller (PLC) as a core, various control functions in the production process are completed, the control type intelligent switch cabinet is also the most potential product for automatic control development in the industrial production process, the PLC technology is organically combined with the traditional switch cabinet, and the control type intelligent switch cabinet is an effective measure for realizing intelligent transformation of a common switch cabinet with less investment and quick effect.

The prior intelligent switch cabinet generally adopts the pressure release valve to release pressure when in use, and the spring elasticity of the pressure release valve can be loosened after long-term use, so that the phenomenon that the pressure release valve is sealed can not be normally released or can be influenced, and the problem that the pressure release valve releases pressure can be influenced if the spring with too high strength is adopted when in use, so that the intelligent switch cabinet with the pressure release protection function is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intelligent switch cabinet with a pressure relief protection function, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an intelligent switch cabinet with pressure relief protection function comprises a switch cabinet body, wherein a pressure relief box is arranged at the upper end of the switch cabinet body, a pressure relief seat is arranged on the inner side of the switch cabinet body corresponding to the pressure relief box, a pressure relief opening is arranged on the lower end surface of the pressure relief seat, a side opening is arranged on the outer side of the lower end of the pressure relief seat, the side port is communicated with the inner part of the pressure relief port, the inner part of the pressure relief seat is connected with a sliding plate in a sliding way, the lower surface of the sliding plate is provided with a blocking head, the blocking head is tightly pressed in the pressure relief opening, the upper side of the sliding plate is provided with a pressure relief spring, the upper end of the pressure relief spring is provided with a pushing plate, and the edges of the pushing plate and the sliding plate are provided with pressure relief holes, the upper end of the pushing plate is provided with a pushing rod, the upper end of catch bar is provided with the screw rod, the one end of pressure release box is provided with the motor, the motor is connected through the drive mechanism transmission with the upper end of screw rod.

Preferably, drive mechanism includes the mounting bracket of fixed mounting in pressure release box inboard, the inboard of mounting bracket is connected with the nut through the bearing rotation, the upper end of screw rod closes soon in the nut, the surface of nut has the worm through the tooth meshing, the output shaft of motor and the one end fixed connection of worm, the other end and the pressure release box of worm pass through the bearing rotation and are connected.

Preferably, the middle part of the upper surface of the sliding plate is provided with a guide rod, and the upper end of the guide rod penetrates through the pushing plate and is in sliding connection with the pushing plate through a sliding hole.

Preferably, the lower surface of the pushing plate and the upper surface of the sliding plate are both provided with pushing rings, a sliding block is arranged between the two pushing rings, one side of the sliding block is provided with a side spring, and one end of the side spring is fixedly connected with the inner wall of the pressure relief seat.

Preferably, a side surface of the pushing ring and two sides of the sliding block are both provided with inclined planes, and the pushing ring and the sliding block are mutually attached through the inclined planes.

Preferably, the switch cabinet body comprises an outer protective shell and an inner protective shell arranged inside the outer protective shell, an inner supporting rib is arranged between the outer protective shell and the inner protective shell, and two sides of the inner supporting rib are fixedly connected with the outer protective shell and the inner protective shell through screws.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the nut and the screw rod of design, rotate through motor drive screw rod when using, the cooperation nut makes the screw rod drive the catch bar and removes to make the catch bar drive the catch plate and press on the guide bar, sticis the assurance shutoff head shutoff on the pressure release mouth when guide bar elasticity diminishes to the guide bar.

2. Through the push ring, side spring and the sliding block of design, promote the sliding block compression on the side spring through the push ring when the shutoff head atress drives the sliding plate and slide during the pressure release, the supplementary sliding plate that promotes of cooperation guide bar avoids appearing the guide bar and appears the phenomenon that elasticity diminishes good shutoff, supplementary sliding plate under the condition that does not change guide bar intensity to avoid using the too big guide bar of intensity to influence the phenomenon of pressure release.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a pressure relief structure according to the present invention;

fig. 3 is a schematic structural diagram of the switch cabinet body of the utility model;

in the figure: 1. a switch cabinet body; 2. a pressure relief box; 3. a mounting frame; 4. a nut; 5. a screw; 6. a worm; 7. a motor; 8. a push rod; 9. a pressure relief seat; 10. a push plate; 11. a guide bar; 12. a pressure relief spring; 13. a sliding plate; 14. a pressure relief port; 15. plugging a plug; 16. a side port; 17. a push ring; 18. a side spring; 19. a slider; 20. an outer protective shell; 21. inner support ribs; 22. an inner protective shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 to 3, the present invention provides a technical solution: an intelligent switch cabinet with pressure relief protection function comprises a switch cabinet body 1, wherein a pressure relief box 2 is arranged at the upper end of the switch cabinet body 1, a pressure relief seat 9 is arranged at the position, corresponding to the pressure relief box 2, of the inner side of the switch cabinet body 1, a pressure relief opening 14 is formed in the lower end surface of the pressure relief seat 9, a side opening 16 is formed in the outer side of the lower end of the pressure relief seat 9, the side opening 16 is communicated with the inside of the pressure relief opening 14, a sliding plate 13 is connected to the inside of the pressure relief seat 9 in a sliding mode, a sealing head 15 is arranged on the lower surface of the sliding plate 13, the sealing head 15 is tightly pressed inside the pressure relief opening 14, a pressure relief spring 12 is arranged on the upper side of the sliding plate 13, a pushing plate 10 is arranged at the upper end of the pressure relief spring 12, pressure relief holes are formed in the edges of the pushing plate 10 and the sliding plate 13, a pushing rod 8 is arranged at the upper end of the pushing plate 10, a screw rod 5 is arranged at the upper end of the pushing rod 8, a motor 7 is arranged at one end of the pressure relief box 2, the motor 7 is in transmission connection with the upper end of the screw rod 5 through a transmission mechanism, the screw rod 5 is driven to descend through the threaded fit between the nut 4 and the screw rod 5, so that the push rod 8 and the push plate 10 are driven to descend to press the pressure relief spring 12.

Further, referring to fig. 2, the transmission mechanism includes a mounting frame 3 fixedly mounted inside the pressure relief box 2, the inside of the mounting frame 3 is rotatably connected with a nut 4 through a bearing, the upper end of a screw rod 5 is screwed in the nut 4, the outer surface of the nut 4 is engaged with a worm 6 through teeth, the output shaft of a motor 7 is fixedly connected with one end of the worm 6, the other end of the worm 6 is rotatably connected with the pressure relief box 2 through a bearing, the middle part of the upper surface of a sliding plate 13 is provided with a guide rod 11, the upper end of the guide rod 11 passes through a pushing plate 10 and is slidably connected with the pushing plate 10 through a sliding hole, the motor 7 drives the worm 6 to rotate to drive the nut 4 to rotate, the switch cabinet body 1 includes an outer protective shell 20 and an inner protective shell 22 arranged inside the outer protective shell 20, an inner support rib 21 is arranged between the outer protective shell 20 and the inner protective shell 22, two sides of the inner support rib 21 are fixedly connected with the outer protective shell 20 and the inner protective shell 22 through screws, the protection effect of the switch cabinet body 1 is enhanced by the outer protective shell 20, the inner protective shell 22 and the inner supporting ribs 21.

As apparent from the above description, the present invention has the following advantageous effects: when the pressure relief valve is used, the motor 7 drives the screw rod 5 to rotate, the screw rod 5 drives the push rod 8 to move by matching with the nut 4, so that the push rod 8 drives the push plate 10 to press on the guide rod 11, and when the elasticity of the guide rod 11 is reduced, the guide rod 11 is tightly pressed to ensure that the plugging head 15 is plugged on the pressure relief opening 14.

Example two:

referring to fig. 1 to fig. 3, on the basis of the first embodiment, the present invention provides a technical solution: the lower surface of catch plate 10 and the upper surface of sliding plate 13 all are provided with propelling ring 17, and be provided with sliding block 19 between two propelling rings 17, one side of sliding block 19 is provided with side spring 18, the one end of side spring 18 and the inner wall fixed connection of pressure release seat 9, a side surface of propelling ring 17 and the both sides of sliding block 19 all set up the inclined plane, and laminate each other through the inclined plane between propelling ring 17 and the sliding block 19, propelling ring 17 promotes sliding block 19 compression side spring 18, thereby supplementary pressure release spring 12 promotes the stopper 15 return, avoid appearing pressure release spring 12 and use elasticity decline to influence sealed phenomenon for a long time.

By adopting the pushing ring 17, the side spring 18 and the sliding block 19, when the sliding plate 13 is driven to slide upwards by the force of the blocking head 15 during pressure relief, the sliding block 19 is pushed to be compressed on the side spring 18 through the pushing ring 17, the sliding plate 13 is pushed in an auxiliary mode by matching with the guide rod 11, the phenomenon that the elastic force of the guide rod 11 is reduced and the blocking is not good is avoided, the sliding plate 13 is assisted under the condition that the strength of the guide rod 11 is not changed, and therefore the phenomenon that the pressure relief is influenced by the guide rod 11 with overlarge use strength is avoided.

The working principle and the using process of the utility model are as follows: when the pressure relief device is used, the switch cabinet body 1 is installed at a use position for use, when the pressure in the switch cabinet body 1 is overlarge, air enters the pressure relief seat 9 through the pressure relief opening 14 and the side opening 16 to jack the sealing head 15, so that air is introduced into the pressure relief box 2 through the pressure relief holes of the sliding plate 13 and the pushing plate 10 and is discharged for pressure relief, the pressure relief is more convenient, the sliding plate 13 slides to compress the pressure relief spring 12 during pressure relief, meanwhile, the pushing ring 17 is driven to push the sliding block 19 to compress the side spring 18, thereby assisting the pressure relief spring 12 to push the sealing head 15 to return, avoiding the phenomenon that the elasticity of the pressure relief spring 12 is reduced after long-term use to influence sealing, ensuring the sealing effect of the pressure relief device while enhancing the strength of the pressure relief spring 12, avoiding the phenomenon that the guide rod 11 with overlarge strength influences pressure relief, and when the guide rod 11 has reduced elasticity after long-term use, the worm 6 is driven by the motor 7 to rotate to drive the nut 4 to rotate, the screw rod 5 is driven to descend through the threaded fit between the nut 4 and the screw rod 5, so that the push rod 8 and the push plate 10 are driven to descend and press on the pressure relief spring 12, meanwhile, the push ring 17 pushes the sliding block 19 to compress the side spring 18, and therefore the total elastic force of the pressure relief spring 12 and the side spring 18 is guaranteed within the normal use range.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides an intelligent switch cabinet that possesses pressure release safeguard function, includes the cubical switchboard body (1), its characterized in that: the pressure relief switch cabinet is characterized in that a pressure relief box (2) is arranged at the upper end of the switch cabinet body (1), a pressure relief seat (9) is arranged at the position, corresponding to the pressure relief box (2), of the inner side of the switch cabinet body (1), a pressure relief opening (14) is formed in the surface of the lower end of the pressure relief seat (9), a side opening (16) is formed in the outer side of the lower end of the pressure relief seat (9), the side opening (16) is communicated with the inside of the pressure relief opening (14), a sliding plate (13) is connected to the inside of the pressure relief seat (9) in a sliding mode, a blocking head (15) is arranged on the lower surface of the sliding plate (13), the blocking head (15) is tightly pressed inside the pressure relief opening (14), a pressure relief spring (12) is arranged on the upper side of the sliding plate (13), a pushing plate (10) is arranged at the upper end of the pressure relief spring (12), pressure relief holes are formed in the edges of the pushing plate (10) and the sliding plate (13), a pushing rod (8) is arranged at the upper end of the pushing plate (10), the upper end of catch bar (8) is provided with screw rod (5), the one end of pressure release box (2) is provided with motor (7), motor (7) are connected through the drive mechanism transmission with the upper end of screw rod (5).

2. The intelligent switch cabinet with the pressure relief protection function according to claim 1, characterized in that: drive mechanism includes mounting bracket (3) of fixed mounting in pressure release box (2) inboard, the inboard of mounting bracket (3) is rotated through the bearing and is connected with nut (4), the upper end of screw rod (5) closes soon in nut (4), the surface of nut (4) has worm (6) through the tooth meshing, the output shaft of motor (7) and the one end fixed connection of worm (6), the other end of worm (6) is connected through the bearing rotation with pressure release box (2).

3. The intelligent switch cabinet with the pressure relief protection function according to claim 1, characterized in that: the middle part of the upper surface of the sliding plate (13) is provided with a guide rod (11), and the upper end of the guide rod (11) penetrates through the pushing plate (10) and is in sliding connection with the pushing plate (10) through a sliding hole.

4. The intelligent switch cabinet with the pressure relief protection function according to claim 1, characterized in that: the lower surface of the pushing plate (10) and the upper surface of the sliding plate (13) are both provided with pushing rings (17), a sliding block (19) is arranged between the two pushing rings (17), one side of the sliding block (19) is provided with a side spring (18), and one end of the side spring (18) is fixedly connected with the inner wall of the pressure relief seat (9).

5. The intelligent switch cabinet with the pressure relief protection function according to claim 4, characterized in that: one side surface of the pushing ring (17) and two sides of the sliding block (19) are both provided with inclined planes, and the pushing ring (17) and the sliding block (19) are mutually attached through the inclined planes.

6. The intelligent switch cabinet with the pressure relief protection function according to claim 1, characterized in that: the switch cabinet body (1) comprises an outer protective shell (20) and an inner protective shell (22) arranged inside the outer protective shell (20), inner supporting ribs (21) are arranged between the outer protective shell (20) and the inner protective shell (22), and two sides of each inner supporting rib (21) are fixedly connected with the outer protective shell (20) and the inner protective shell (22) through screws.