CN210273814U

CN210273814U - Frequency converter convenient to disassemble

Info

Publication number: CN210273814U
Application number: CN201921471729.1U
Authority: CN
Inventors: 王继川
Original assignee: Shenzhen Jingli Technology Co ltd
Current assignee: Shenzhen Jingli Technology Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-04-07
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a converter convenient to dismantle, lid behind shell and the converter before the converter, the shell is one side open-ended cavity structure before the converter, just the shell sets up in one side of lid behind the converter before the converter, the bilateral symmetry of lid is equipped with fixed connection's mounting panel behind the converter, the bilateral inner wall symmetry of shell is equipped with fixed connection's first fixed block before the converter, the bilateral symmetry of first fixed block is equipped with the second fixed block, just lid fixed connection behind second fixed block and the converter. A converter convenient to dismantle, need not use extra instrument alright in order to dismantle the converter, it is simple convenient simultaneously to dismantle the step, has made things convenient for maintenance and the maintenance to the inside electronic component of converter to and make behind shell and the converter before the converter lid joint more accurate, make behind shell and the converter behind the converter before the converter lid connect more firm simultaneously, increased holistic stability.

Description

Frequency converter convenient to disassemble

Technical Field

The utility model relates to a converter technical field, in particular to converter convenient to dismantle.

Background

The frequency converter applies frequency conversion technology and micro-electronic technology, controls the power control equipment of the alternating current motor by changing the working power supply frequency mode of the motor, mainly comprises a rectifying unit, a filtering unit, an inverting unit, a braking unit, a driving unit, a detecting unit micro-processing unit and the like, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation, in addition, the frequency converter has a plurality of protection functions, such as overcurrent, overvoltage, overload protection and the like, along with the continuous improvement of the industrial automation degree, the frequency converter is widely applied, when the internal parts of the frequency converter are damaged or the frequency converter needs to be maintained, the frequency converter needs to be opened, the traditional frequency converter is fixed by a plurality of fixing bolts, the frequency converter can be opened only by finding corresponding tools, and the dismounting steps are too complicated, is not beneficial to actual overhaul and maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a converter convenient to dismantle, can effectively solve traditional converter in the background art and be fixed through a plurality of fixing bolt, need find corresponding instrument and just can open the converter, dismantle the step moreover and also too loaded down with trivial details, be unfavorable for the problem of actual overhaul and maintenance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a frequency converter convenient to disassemble comprises a frequency converter front shell and a frequency converter rear cover, wherein the frequency converter front shell is of a cavity structure with an opening at one side, the front shell of the frequency converter is arranged on one side of the rear cover of the frequency converter, the two sides of the rear cover of the frequency converter are symmetrically provided with fixedly connected mounting plates, the inner walls of the two sides of the front shell of the frequency converter are symmetrically provided with first fixed blocks which are fixedly connected, the two sides of the first fixed blocks are symmetrically provided with second fixed blocks, the second fixed block is fixedly connected with the rear cover of the frequency converter, a clamping groove is arranged on one side of the second fixed block close to the first fixed block, first grooves matched with the clamping grooves are symmetrically formed in two sides of the first fixing block, the clamping grooves are connected with the first grooves through clamping blocks, and the fixture block is connected with the first groove through a movable mechanism, and a limiting mechanism is arranged between the front shell of the frequency converter and the rear cover of the frequency converter.

Preferably, the moving mechanism is including seting up the second recess in first fixed block one side, first through-hole has been seted up to one side inner wall of first recess, just first recess passes through first through-hole intercommunication with the second recess, be equipped with the pivot in the second recess, be equipped with the stay cord in the first through-hole, the one end and the fixture block of stay cord are connected, the other end and the pivot of stay cord are connected, the outside cover of stay cord is located the compression spring who is located between fixture block and the first through-hole, the second through-hole of next-door neighbour second recess is seted up to one side of shell before the converter, the one end of pivot extends to in the second through-hole, just the one end and the carousel that is located shell outer wall before the converter of pivot are connected, the other end of pivot passes through the bearing with one side inner wall of second recess and.

Preferably, the outer part of the rotating disc is sleeved with an anti-slip sleeve.

Preferably, the limiting mechanism comprises a plurality of limiting blocks arranged on the inner wall of the front shell of the frequency converter, limiting holes are formed in the limiting blocks, limiting rods are arranged in the limiting holes and fixedly connected with the rear cover of the frequency converter, and the limiting blocks are fixedly connected with the front shell of the frequency converter.

Preferably, the mounting plate is provided with two mounting holes.

Compared with the prior art, the utility model discloses following beneficial effect has: through setting up first fixed block, the second fixed block, fixture block and moving mechanism's mating reaction, need not use extra instrument alright in order to dismantle the converter, it is simple convenient simultaneously to dismantle the step, the dismouting efficiency of converter is improved, and then made things convenient for the maintenance and the maintenance to the inside electronic component of converter, through the stop gear who sets up, make behind shell and the converter behind the converter more accurate of lid joint, it is more firm to make behind shell and the converter behind the converter before the converter connect simultaneously, whole stability has been increased.

Drawings

Fig. 1 is a schematic view of an overall structure of a frequency converter convenient to disassemble according to the present invention;

FIG. 2 is a front sectional view of a frequency converter of the present invention for easy disassembly;

fig. 3 is a sectional view of the movable mechanism of the frequency converter convenient for disassembly according to the present invention;

fig. 4 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a front shell of the frequency converter; 2. a rear cover of the frequency converter; 3. mounting a plate; 4. a first fixed block; 5. a second fixed block; 6. a clamping block; 7. a card slot; 8. a first groove; 9. a second groove; 10. a first through hole; 11. a rotating shaft; 12. pulling a rope; 13. a compression spring; 14. a bearing; 15. a second through hole; 16. a turntable; 17. an anti-slip sleeve; 18. a limiting block; 19. a limiting hole; 20. a limiting rod; 21. and (7) installing holes.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a frequency converter convenient for disassembly comprises a frequency converter front shell 1 and a frequency converter rear cover 2, wherein the frequency converter front shell 1 is a cavity structure with an opening at one side, and the frequency converter front shell 1 is arranged at one side of the frequency converter rear cover 2, the two sides of the frequency converter rear cover 2 are symmetrically provided with fixedly connected mounting plates 3, the inner walls at the two sides of the frequency converter front shell 1 are symmetrically provided with fixedly connected first fixing blocks 4, the two sides of the first fixing blocks 4 are symmetrically provided with second fixing blocks 5, the second fixing block 5 is fixedly connected with the rear cover 2 of the frequency converter, one side of the second fixing block 5 close to the first fixing block 4 is provided with a clamping groove 7, two sides of the first fixing block 4 are symmetrically provided with first grooves 8 matched with the clamping groove 7, the clamping groove 7 and the first grooves 8 are connected through a clamping block 6, the fixture block 6 is connected with the first groove 8 through a movable mechanism, and a limiting mechanism is arranged between the frequency converter front shell 1 and the frequency converter rear cover 2;

the movable mechanism comprises a second groove 9 arranged on one side of the first fixed block 4, a first through hole 10 is formed in the inner wall of one side of the first groove 8, the first groove 8 is communicated with the second groove 9 through the first through hole 10, a rotating shaft 11 is arranged in the second groove 9, a pull rope 12 is arranged in the first through hole 10, one end of the pull rope 12 is connected with the clamping block 6, the other end of the pull rope 12 is connected with the rotating shaft 11, a compression spring 13 positioned between the clamping block 6 and the first through hole 10 is sleeved outside the pull rope 12, a second through hole 15 adjacent to the second groove 9 is formed in one side of the front shell 1 of the frequency converter, one end of the rotating shaft 11 extends into the second through hole 15, one end of the rotating shaft 11 is connected with a rotating disc 16 positioned on the outer wall of the front shell 1 of the frequency converter, and the other end of the rotating shaft 11 is; an anti-skid sleeve 17 is sleeved outside the rotary table 16; the limiting mechanism comprises a plurality of limiting blocks 18 arranged on the inner wall of the front shell 1 of the frequency converter, limiting holes 19 are formed in the limiting blocks 18, limiting rods 20 are arranged in the limiting holes 19, the limiting rods 20 are fixedly connected with the rear cover 2 of the frequency converter, and the limiting blocks 18 are fixedly connected with the front shell 1 of the frequency converter; two mounting holes 21 are opened on the mounting plate 3.

It should be noted that, when the utility model is used, the rotating disc 16 is rotated to drive the rotating shaft 11 to rotate, and further the length of the stay cord 12 wound on the outer portion of the rotating shaft 11 is increased, so that the stay cord 12 drives the fixture block 6 to slide into the first groove 8, and the compression spring 13 is in a compressed state, and further the limiting hole 19 is aligned with the limiting rod 20, and simultaneously the front shell 1 of the frequency converter is close to the rear cover 2 of the frequency converter, and further the limiting rod 20 is inserted into the limiting hole 19, and simultaneously the fixture block 6 is close to the clamping groove 7, and further the rotating disc 16 is loosened, and the compression spring 13 recovers deformation, and the fixture block 6 is driven to slide out of the first groove 8 by the elasticity of the compression spring 13, and slide into the clamping groove 7 by the fixture block 6, and the clamping groove 7 are clamped, and further the first fixing block 4 is fixed relative to the second fixing block 5, so that, when lid 2 behind shell 1 and the converter before needs split converter, on the same way, rotate carousel 16 for fixture block 6 breaks away from draw-in groove 7, cover 2 behind the converter is kept away from to shell 1 before the drive converter simultaneously, can accomplish the split of lid 2 behind shell 1 and the converter before the converter, need not use extra instrument alright in order to dismantle the converter, it is simple convenient to dismantle the step simultaneously, the dismouting efficiency of converter has been improved, and then made things convenient for maintenance and the maintenance to the inside electronic component of converter.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a converter convenient to dismantle which characterized in that: the frequency converter rear cover structure comprises a frequency converter front shell (1) and a frequency converter rear cover (2), wherein the frequency converter front shell (1) is of a cavity structure with one side open, the frequency converter front shell (1) is arranged on one side of the frequency converter rear cover (2), two sides of the frequency converter rear cover (2) are symmetrically provided with fixedly connected mounting plates (3), two side inner walls of the frequency converter front shell (1) are symmetrically provided with fixedly connected first fixing blocks (4), two sides of the first fixing blocks (4) are symmetrically provided with second fixing blocks (5), the second fixing blocks (5) are fixedly connected with the frequency converter rear cover (2), one side, close to the first fixing blocks (4), of the second fixing blocks (5) is provided with clamping grooves (7), two sides of the first fixing blocks (4) are symmetrically provided with first grooves (8) matched with the clamping grooves (7), the clamping grooves (7) are connected with the first grooves (8) through clamping blocks (6), and the fixture block (6) is connected with the first groove (8) through a movable mechanism, and a limiting mechanism is arranged between the front shell (1) of the frequency converter and the rear cover (2) of the frequency converter.

2. A frequency converter according to claim 1, wherein: the movable mechanism comprises a second groove (9) arranged on one side of a first fixed block (4), a first through hole (10) is formed in the inner wall of one side of the first groove (8), the first groove (8) is communicated with the second groove (9) through the first through hole (10), a rotating shaft (11) is arranged in the second groove (9), a pull rope (12) is arranged in the first through hole (10), one end of the pull rope (12) is connected with a clamping block (6), the other end of the pull rope (12) is connected with the rotating shaft (11), a compression spring (13) positioned between the clamping block (6) and the first through hole (10) is sleeved outside the pull rope (12), a second through hole (15) close to the second groove (9) is formed in one side of a front shell (1) of the frequency converter, one end of the rotating shaft (11) extends into the second through hole (15), and one end of the rotating shaft (11) is connected with a rotating disc (16) positioned on the outer wall of the front shell (1) of the frequency converter, the other end of the rotating shaft (11) is connected with the inner wall of one side of the second groove (9) through a bearing (14).

3. A frequency converter according to claim 2, wherein: the outer part of the turntable (16) is sleeved with an anti-skid sleeve (17).

4. A frequency converter according to claim 1, wherein: stop gear includes a plurality of stopper (18) that set up in preceding shell of converter (1) inner wall, spacing hole (19) have been seted up on stopper (18), be equipped with gag lever post (20) in spacing hole (19), just lid (2) fixed connection behind gag lever post (20) and the converter, preceding shell of stopper (18) and converter (1) fixed connection.

5. A frequency converter according to claim 1, wherein: two mounting holes (21) are formed in the mounting plate (3).