Detachable shell structure for frequency converter

Abstract

The utility model discloses a detachable housing structure used for a frequency converter, comprising a front housing, the back of the front housing is clamped with a rear housing, the upper part of the rear housing is connected with a mounting block, the upper part of the front housing is fixedly connected with a lapping plate, the lapping plate is internally provided with a clamping structure, and the front housing is externally connected with a locking structure. The locking structure is connected with the clamping structure, the clamping structure is in lap joint with the mounting block, the clamping structure comprises a sleeve, a conical column and a guide rod, and a clamping plate is rotationally connected outside the guide rod. According to the utility model, through the arrangement of the mounting block, the clamping structure and the lapping plate, the frequency converter housing enables the front housing and the rear housing to achieve the function of rapid assembly through the cooperation of the conical column, the clamping plate and the spring, and the subsequent maintenance or replacement of electronic elements in the frequency converter housing does not need to dismount screws one by one. Daily maintenance and fault processing of the frequency converter are facilitated, and maintenance time is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to frequency converter technical field, concretely is a detachable casing structure for frequency converter. BACKGROUND

[0002] The frequency converter is indispensable power control equipment in modern industrial automation system, and it mainly controls the working power frequency of the alternating current motor through the frequency conversion technology and microelectronic technology, realizes the speed regulation and energy saving of the motor, and the frequency converter usually includes rectifier unit, filter unit, inverter unit, brake unit, drive unit, detection unit and microprocessing unit etc. UTILITY MODEL CONTENTS

[0003] The utility model discloses a detachable casing structure for frequency converter, which solves the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a detachable casing structure for frequency converter, including front casing, the back of front casing is connected with rear casing, the top of rear casing is connected with mounting block, the top of front casing is fixedly connected with the deck plate, the deck plate is equipped with the clamping structure, the outer connecting of front casing has locking structure, the locking structure is connected with clamping structure, and the clamping structure is overlapped with mounting block.

[0005] As a further preferred aspect of the present technical solution, the rear casing is provided with a plurality of heat dissipation holes, and the front casing is provided with a display screen on the front face.

[0006] As a further preferred aspect of the present technical solution, the sleeve is fixedly connected in the deck plate, the sleeve is clamped in the mounting block, and the tapered column is slidingly connected in the sleeve.

[0007] As a further preferred aspect of the present technical solution, the guide rod is fixedly connected outside the tapered column, and the clamping plate is connected with the tapered column through the connecting plate.

[0008] As a further preferred aspect of the present technical solution, the tapered column is connected with the sleeve through the spring, and the clamping plate is overlapped with the mounting block.

[0009] As a further preferred of the technical solution, the locking structure comprises a fixed plate and a moving plate, the fixed plate is fixedly connected outside the front shell, and the moving plate is slidingly connected outside the front shell.

[0010] As a further preferred of the technical solution, the moving plate is slidingly connected outside the support column, one side of the moving plate is connected with the conical column, the fixed plate is provided with a threaded rod, and the fixed plate is threadedly connected with the moving plate through the threaded rod.

[0011] The utility model provides a detachable shell structure for frequency converter has the following beneficial effects:

[0012] (1) the utility model discloses a mounting block, clamping structure and batten are set up, and the conical column will drive the spring to deform when sliding in the sleeve, and the clamping plate will contract into the sleeve with the guide rod as the center when moving, and the front shell and the rear shell are pasted and drive the moving plate to restore, and the conical column will be reset through the spring, and the clamping plate will be unfolded and lapped with the mounting block when resetting, the frequency converter shell is cooperated between the conical column, the clamping plate and the spring, so that the front shell and the rear shell can realize the function of quick assembly, and the subsequent maintenance or replacement of the electronic elements in the frequency converter shell does not need to remove the screw one by one, which is convenient for the daily maintenance and fault handling of the frequency converter, and the maintenance time is reduced.

[0013] (2) the utility model discloses a locking structure, can exert the thrust to the moving plate, and the moving plate will slide on the surface of the support column, and the conical column will move along with the moving plate, and when the moving plate restores, the fixed plate will be threadedly connected with the moving plate through the threaded rod, so as to play a certain locking effect on the conical column, avoid that the conical column is loose under the influence of external force. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the structure schematic diagram of the explosion of the front shell of the utility model;

[0016] Figure 3 It is the sectional structure schematic diagram of the clamping structure of the utility model;

[0017] Figure 4 It is the Figure 1 It is the enlarged structure schematic diagram of A place of the utility model;

[0018] In the figure: 1, front shell; 2, rear shell; 3, heat dissipation hole; 4, mounting block; 5, clamping structure; 501, sleeve; 502, tapered column; 503, guide rod; 504, clamping plate; 505, connecting plate; 506, auxiliary rod; 507, spring; 6, locking structure; 601, fixed plate; 602, support column; 603, moving plate; 604, threaded rod; 7, display screen; 8, lap plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0020] The utility model provides technical schemes: Figure 1 And Figure 4 As shown in the figure, in the embodiment, a detachable shell structure for frequency converter, including front shell 1, the back of front shell 1 is clamped with rear shell 2, the upper portion of rear shell 2 is connected with mounting block 4, the upper portion of front shell 1 is fixedly connected with lap plate 8, lap plate 8 is equipped with clamping structure 5, front shell 1 is connected with locking structure 6, locking structure 6 is connected with clamping structure 5, clamping structure 5 is overlapped with mounting block 4, clamping structure 5 includes sleeve 501, tapered column 502 and guide rod 503, guide rod 503 is rotatably connected with clamping plate 504 outside, one side of clamping plate 504 is rotatably connected with connecting plate 505, one end of tapered column 502 is connected with auxiliary rod 506, auxiliary rod 506 is sleeved with spring 507 outside.

[0021] As shown in the figure, Figure 1 And Figure 3 As shown in the figure, rear shell 2 is provided with heat dissipation hole 3 outside, the front of front shell 1 is provided with display screen 7, sleeve 501 is fixedly connected in lap plate 8, sleeve 501 is clamped in mounting block 4, tapered column 502 is slidably connected in sleeve 501, guide rod 503 is fixedly connected outside tapered column 502, clamping plate 504 is connected with tapered column 502 through connecting plate 505, tapered column 502 is connected with sleeve 501 through spring 507, clamping plate 504 is overlapped with mounting block 4.

[0022] By setting spring 507, push force is applied to moving plate 603, moving plate 603 will slide on the surface of support column 602, and tapered column 502 will move along with moving plate 603, when tapered column 502 slides in sleeve 501, it will drive spring 507 to deform, so that spring 507 supports the movement of tapered column 502, when tapered column 502 loses resistance, it will be reset through spring 507, to avoid the deviation of tapered column 502 when moving.

[0023] As shown in the figure, Figure 4As shown, the locking structure 6 comprises a fixed plate 601 and a moving plate 603, the fixed plate 601 is fixedly connected outside the front shell 1, the moving plate 603 is slidingly connected outside the front shell 1, one side of the fixed plate 601 is fixedly connected with a support column 602, the moving plate 603 is slidingly connected outside the support column 602, one side of the moving plate 603 is connected with the conical column 502, the fixed plate 601 is provided with a threaded rod 604, and the fixed plate 601 is threadedly connected with the moving plate 603 through the threaded rod 604.

[0024] By arranging the locking structure 6, the moving plate 603 can be subjected to a pushing force, and the moving plate 603 slides on the surface of the support column 602, and the conical column 502 moves along with the moving plate 603; when the moving plate 603 returns to the original position, the fixed plate 601 is threadedly connected with the moving plate 603 through the threaded rod 604, so that the conical column 502 can be locked to a certain extent, and the conical column 502 is prevented from loosening due to external force.

[0025] The utility model provides a detachable shell structure for frequency converter, specific working principle is as follows:

[0026] When the frequency converter shell is assembled, the moving plate 603 can be subjected to a pushing force, and the moving plate 603 slides on the surface of the support column 602, and the conical column 502 moves along with the moving plate 603; when the moving plate 603 returns to the original position, the fixed plate 601 is threadedly connected with the moving plate 603 through the threaded rod 604, so that the conical column 502 can be locked to a certain extent, and the conical column 502 is prevented from loosening due to external force.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A detachable housing structure for a frequency converter, comprising a front housing (1), characterized in that: The back of the front shell (1) is clamped with the rear shell (2), the upper part of the rear shell (2) is connected to the mounting block (4), the upper part of the front shell (1) is fixedly connected to a strap (8), the strap (8) is provided with a clamping structure (5), the outer part of the front shell (1) is connected with a locking structure (6), the locking structure (6) is connected to the clamping structure (5), the clamping structure (5) is overlapped with the mounting block (4), the clamping structure (5) comprises a sleeve (501), a conical column (502) and a guide rod (503), the outer part of the guide rod (503) is rotatably connected to a clamping plate (504), one side of the clamping plate (504) is rotatably connected to a connecting plate (505), one end of the conical column (502) is connected to an auxiliary rod (506), and the outer part of the auxiliary rod (506) is connected to a spring (507).

2. The detachable housing structure for a frequency converter according to claim 1, characterized in that: The rear housing (2) is provided with heat dissipation holes (3) on the outside, and the front of the front housing (1) is provided with a display screen (7).

3. The detachable housing structure for a frequency converter according to claim 1, characterized in that: The sleeve (501) is fixedly connected in the strap (8), the sleeve (501) is clamped in the mounting block (4), and the conical column (502) is slidably connected in the sleeve (501).

4. The detachable housing structure for a frequency converter according to claim 1, characterized in that: The guide rod (503) is fixedly connected to the outside of the conical column (502), and the clamping plate (504) is connected to the conical column (502) via a connecting plate (505).

5. The detachable housing structure for a frequency converter according to claim 1, characterized in that: The conical column (502) is connected to the sleeve (501) via a spring (507), and the clamping plate (504) is overlapped with the mounting block (4).

6. The detachable housing structure for a frequency converter according to claim 5, characterized in that: The locking structure (6) comprises a fixed plate (601) and a movable plate (603), wherein the fixed plate (601) is fixedly connected to the outside of the front housing (1), and the movable plate (603) is slidably connected to the outside of the front housing (1), and a support column (602) is fixedly connected to one side of the fixed plate (601).

7. The detachable housing structure for a frequency converter according to claim 6, characterized in that: The movable plate (603) is slidably connected to the outside of the support column (602), one side of the movable plate (603) is connected to the conical column (502), a threaded rod (604) is provided in the fixed plate (601), and the fixed plate (601) is threadedly connected to the movable plate (603) through the threaded rod (604).

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