CN219627570U

CN219627570U - Frequency converter with sealing structure

Info

Publication number: CN219627570U
Application number: CN202223213086.5U
Authority: CN
Inventors: 王博
Original assignee: Neumann Chuangjia Electronic Technology Jiangsu Co ltd
Current assignee: Neumann Chuangjia Electronic Technology Jiangsu Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-09-01
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a frequency converter with a sealing structure, and relates to the technical field of frequency converters. The frequency converter with the sealing structure comprises a frequency converter main body and a controller, wherein a connecting port is arranged at the lower end of the front surface of the frequency converter main body, and a sealing mechanism is arranged on the surface of the front side of the frequency converter main body. This converter with seal structure when using, seal box and connecting hole through setting up also avoided influencing the normal work of connecting port in the time sealing the connecting port outside, through the cooperation of movable plate, protruding groove, seal spring and movable block that set up, seal the connecting hole when the connecting port does not use, when needs use, drive the movable block and get into protruding inslot through the cooperation of short rope, pivot, long rope, line roller and connecting rod when rotating the handle rotation, pull the movable plate right again, make through-hole and connecting hole coincidence, accessible through-hole and connecting hole make the connecting port normal use this moment.

Description

Frequency converter with sealing structure

Technical Field

The utility model relates to the technical field of frequency converters, in particular to a frequency converter with a sealing structure.

Background

The frequency converter is a device for converting a power frequency power supply into an alternating current power supply with various frequencies so as to realize variable-speed operation of the motor, and mainly comprises a rectifying unit, a filtering unit, an inversion unit, a braking unit, a driving unit, a detecting unit and a micro-processing unit.

In order to avoid dust entering the inside work that influences electronic components of converter, can set up the shell in the converter outside generally and protect, for example grant the chinese patent of bulletin number CN216649508U, disclose a converter with seal structure, this converter passes through motor, screw rod, swivel nut, first fly leaf, bracing piece and the setting of second fly leaf, conveniently controls the removal to the second fly leaf, through movable ball, lead screw, disc, thread bush, carousel and recess setting, conveniently closely laminates chamber door and converter shell, avoids the production that has the gap between chamber door and the converter shell.

However, when the frequency converter is used, the door needs to be opened and then the cable is inserted into the connecting port, and the door cannot achieve the effect of sealing and dust prevention.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a frequency converter with a sealing structure, and solves the problems mentioned in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a converter with seal structure, includes converter main part and controller, the front lower extreme of converter main part is provided with the connection port, converter main part front side surface is provided with sealing mechanism, sealing mechanism includes:

the sealing box is fixedly arranged on the front side surface of the frequency converter main body, five connecting holes are formed in the front side surface of the sealing box in a linear array, and two sliding grooves are formed in the upper end and the lower end of the front side inner wall surface of the sealing box;

the strip-shaped sliding blocks are arranged in the sliding grooves and are in sliding connection with the sliding grooves, the back surfaces of the two strip-shaped sliding blocks are fixedly provided with moving plates, the front side surfaces of the moving plates are provided with five through holes in a linear array, the surfaces of the upper side and the lower side of the moving plates are fixedly provided with two fixed plates, and the left ends of the fixed plates are fixedly provided with reset springs;

the number of the convex grooves is five, the five convex grooves are arranged on the surface of the front side of the movable plate in a linear array, two sealing springs are fixedly arranged at the upper end and the lower end of the surface of the inner wall of the rear side of the convex grooves, a movable block is fixedly arranged at the front side of the two sealing springs, and a short rope is fixedly arranged at the rear end of the movable block;

the rotating shaft is fixedly arranged at the right end of the bottom surface inside the sealing box, a wire roller is fixedly arranged at the top of the rotating shaft, a long rope is fixedly arranged at the outer side of the wire roller, a connecting rod is fixedly arranged at the top of the wire roller, a rotating handle is fixedly arranged at the top end of the connecting rod, which penetrates through the inner wall of the top of the sealing box, a limiting plate is fixedly arranged at the outer side of the rotating handle, and a bolt is arranged above the limiting plate.

Preferably, the movable block is arranged in a convex structure, and the outer wall of the front end of the movable block is mutually matched with the inner wall of the connecting hole.

Preferably, one end of the return spring, which is far away from the fixed plate, is fixedly connected with the left inner wall of the sealing box.

Preferably, one end of the short rope far away from the moving block is fixedly connected with the outer side of the long rope.

Preferably, the right end of the top surface of the sealing box is provided with a threaded hole matched with the bolt.

Preferably, the top surface of the limiting plate is provided with a threaded hole matched with the bolt.

(III) beneficial effects

The utility model provides a frequency converter with a sealing structure. The beneficial effects are as follows:

(1) This converter with seal structure when using, the sealed box and the connecting hole through setting up also have avoided influencing the normal work of connecting port in the time sealing the connecting port outside, through the cooperation of movable plate, protruding groove, seal spring and movable block that set up, seal the connecting hole when the connecting port does not use, when needs use, drive the movable block and get into protruding inslot when rotating the handle through the cooperation of short rope, pivot, long rope, line roller and connecting rod, pull the movable plate right again, make through-hole and connecting hole coincidence, accessible through-hole and connecting hole make the connecting port normal use this moment.

(2) This converter with seal structure is when using, fixes the rotation handle when connecting the port normal use through limiting plate and the bolt that sets up, avoids the movable plate to take place to remove and leads to damaging the cable, through the cooperation of fixed plate and reset spring that sets up, releases when connecting the port and does not use and moves the movable plate and move the reset to the left after the fixed to rotating the handle, seals the connecting hole again.

Drawings

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

FIG. 2 is a schematic view of the structure of the present utility model in front cross section;

FIG. 3 is a schematic view of the structure of the utility model in cross-section on the left side;

FIG. 4 is a schematic diagram of the structure of the present utility model at A;

FIG. 5 is a schematic view of the back of the seal box of the present utility model.

In the figure: 1. a frequency converter main body; 2. a controller; 3. a connection port; 4. a sealing mechanism; 401. a seal box; 402. a connection hole; 403. a chute; 404. a bar-shaped sliding block; 405. a moving plate; 406. a convex groove; 407. a seal spring; 408. a moving block; 409. a short rope; 410. a fixing plate; 411. a return spring; 412. a long rope; 413. a rotating shaft; 414. a wire roller; 415. a connecting rod; 416. rotating the handle; 417. a limiting plate; 418. a bolt; 419. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a converter with seal structure, includes converter main part 1 and controller 2, and the front lower extreme of converter main part 1 is provided with connection port 3, and converter main part 1 front side surface is provided with sealing mechanism 4, and sealing mechanism 4 includes: seal box 401, bar slider 404, protruding groove 406 and pivot 413, seal box 401 fixed mounting is in the front side surface of converter main part 1, and seal box 401 is located the connection port 3 outside, can seal the protection to connection port 3, avoids the dust to get into the connection port 3 inside and leads to influencing the connection between converter main part 1 and the motor, and the screw hole with bolt 418 looks adaptation has been seted up to seal box 401 top surface right-hand member, and five connecting holes 402 have been seted up to seal box 401's front side surface in linear array.

Two sliding grooves 403 are formed in the upper end and the lower end of the inner wall surface of the front side of the sealing box 401, the strip-shaped sliding blocks 404 are arranged in the sliding grooves 403 and are in sliding connection with the sliding grooves 403, the movable plates 405 are fixedly mounted on the back surfaces of the two strip-shaped sliding blocks 404, the movable plates 405 can move in the left-right direction under the cooperation of the sliding grooves 403 and the strip-shaped sliding blocks 404, five through holes 419 are formed in the front side surface of the movable plates 405 in a linear array, the five through holes 419 and the five connecting holes 402 are arranged in a crossed mode, when the movable plates 405 move rightwards, the five through holes 419 are overlapped with the five connecting holes 402, at the moment, cables can be normally connected with the connecting ports 3 through the connecting holes 402 and the through holes 419, two fixing plates 410 are fixedly mounted on the surfaces of the upper side and the lower side of the movable plates 405, reset springs 411 are fixedly mounted on the left ends of the fixing plates 410, and one ends of the reset springs 411, which are far away from the fixing plates 410, are fixedly connected with the inner wall of the left side of the sealing box 401.

The number of the convex grooves 406 is five, the five convex grooves 406 are arranged on the front side surface of the movable plate 405 in a linear array, the five convex grooves 406 and the five through holes 419 are distributed on the front side surface of the movable plate 405 in a crossing manner, two sealing springs 407 are fixedly arranged at the upper end and the lower end of the inner wall surface of the rear side of the convex grooves 406, a movable block 408 is fixedly arranged at the front side of the two sealing springs 407, the movable block 408 is arranged in a convex structure, the outer wall of the front end of the movable block 408 is mutually matched with the inner wall of the connecting hole 402, in an initial state, the movable block 408 ejects the connecting hole 402 to seal the connecting hole 402 under the action of the elasticity of the sealing springs 407, dust is prevented from entering the inside of the sealing box 401 through the connecting hole 402, a short rope 409 is fixedly arranged at the rear end of the movable block 408, one end of the short rope 409 far away from the movable block 408 is fixedly connected with the outer side of the long rope 412, and a rotating shaft 413 is fixedly arranged at the right end of the inner bottom surface of the sealing box 401.

The top of pivot 413 fixed mounting has wire roller 414, wire roller 414 outside fixed mounting has long rope 412, rotate wire roller 414 and can make long rope 412 twine in wire roller 414 outside, thereby pull short rope 409 through long rope 412, can first pull movable block 408 into inside of protruding groove 406 and compress seal spring 407 when short rope 409 is pulled backward, can pull movable plate 405 to slide and pull return spring 411 to the right side when movable block 408 gets into protruding groove 406 completely and can't continue the pulling, thereby make through-hole 419 and connecting hole 402 coincide, wire roller 414 top fixed mounting has connecting rod 415, the top of connecting rod 415 runs through the top inner wall fixed mounting of seal box 401 and rotates handle 416.

The rotating handle 416 can synchronously drive the wire roller 414 to rotate through the connecting rod 415, when the rotating handle 416 rotates, the moving plate 405 is pulled to overlap with the connecting hole 402, the limiting plate 417 is fixedly arranged on the outer side of the rotating handle 416, the bolt 418 is arranged above the limiting plate 417, the threaded hole matched with the bolt 418 is formed in the top surface of the limiting plate 417, the limiting plate 417 can be fixed on the top of the sealing box 401 through the bolt 418, the rotating handle 416 is fixed, the rotating handle 416 is prevented from rotating again, the moving plate 405 can be driven to move rightwards to reset under the elastic action of the reset spring 411 after the rotating handle 416 is released, and the moving block 408 can be driven to pop forwards to seal the connecting hole 402 under the elastic action of the sealing spring 407.

In the utility model, when the connecting port 3 is needed to be used, the bolt 418 is screwed out, the rotary handle 416 is rotated, the movable block 408 is pulled into the convex groove 406 and the sealing spring 407 is compressed through the cooperation of the connecting rod 415, the wire roller 414, the rotary shaft 413, the long rope 412 and the short rope 409, when the movable block 408 completely enters the convex groove 406 and cannot be pulled continuously, the movable plate 405 is pulled to slide to the right side and the return spring 411 is pulled, so that the through hole 419 and the connecting hole 402 are overlapped, at the moment, a cable can be normally connected with the connecting port 3 through the connecting hole 402 and the through hole 419, the rotary handle 416 can be fixed at the top of the sealing box 401 through the bolt 418, when the connecting port 3 is not used, the bolt 418 is screwed out, the movable plate 405 is driven to move to the right under the elastic force of the return spring 411 after the rotary handle 416 is released, and the movable block 408 is driven to pop up to seal the connecting hole 402 forwards under the elastic force of the sealing spring 407.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a converter with seal structure, includes converter main part (1) and controller (2), the front lower extreme of converter main part (1) is provided with connecting port (3), its characterized in that: the front side surface of the frequency converter main body (1) is provided with a sealing mechanism (4), and the sealing mechanism (4) comprises:

the sealing box (401), the sealing box (401) is fixedly arranged on the front side surface of the frequency converter main body (1), five connecting holes (402) are formed in the front side surface of the sealing box (401) in a linear array, and two sliding grooves (403) are formed in the upper end and the lower end of the front side inner wall surface of the sealing box (401);

the strip-shaped sliding blocks (404), the strip-shaped sliding blocks (404) are arranged in the sliding grooves (403) and are in sliding connection with the sliding grooves (403), the back surfaces of the two strip-shaped sliding blocks (404) are fixedly provided with moving plates (405), the front side surfaces of the moving plates (405) are provided with five through holes (419) in a linear array, the surfaces of the upper side and the lower side of the moving plates (405) are fixedly provided with two fixed plates (410), and the left ends of the fixed plates (410) are fixedly provided with reset springs (411);

the number of the convex grooves (406) is five, the five convex grooves (406) are arranged on the front side surface of the movable plate (405) in a linear array, two sealing springs (407) are fixedly arranged at the upper end and the lower end of the inner wall surface of the rear side of the convex groove (406), a movable block (408) is fixedly arranged at the front side of the two sealing springs (407), and a short rope (409) is fixedly arranged at the rear end of the movable block (408);

the rotary shaft (413), pivot (413) fixed mounting is at sealed box (401) inside bottom surface right-hand member, the top fixed mounting of pivot (413) has wire roller (414), wire roller (414) outside fixed mounting has long rope (412), wire roller (414) top fixed mounting has connecting rod (415), the top of connecting rod (415) runs through the top inner wall fixed mounting of sealed box (401) and has rotation handle (416), rotation handle (416) outside fixed mounting has limiting plate (417), the top of limiting plate (417) is provided with bolt (418).

2. A transducer having a sealing structure according to claim 1, wherein: the movable block (408) is arranged in a convex structure, and the outer wall of the front end of the movable block (408) is mutually matched with the inner wall of the connecting hole (402).

3. A transducer having a sealing structure according to claim 1, wherein: one end of the return spring (411) far away from the fixed plate (410) is fixedly connected with the left inner wall of the sealing box (401).

4. A transducer having a sealing structure according to claim 1, wherein: one end of the short rope (409) far away from the moving block (408) is fixedly connected with the outer side of the long rope (412).

5. A transducer having a sealing structure according to claim 1, wherein: the right end of the top surface of the sealing box (401) is provided with a threaded hole matched with the bolt (418).

6. A transducer having a sealing structure according to claim 1, wherein: screw holes matched with the bolts (418) are formed in the top surface of the limiting plate (417).