CN217307417U - Junction box of motor frequency converter - Google Patents

Abstract

The utility model relates to a terminal box technical field specifically is a motor converter terminal box, including motor body, motor body's top is equipped with the mount table, and the top of mount table is equipped with the terminal box, and the terminal box includes the box body, and the middle part of box body inner wall bottom is equipped with supporting spring, is equipped with the frame mounting bracket directly over supporting spring, and four corners of frame mounting bracket inner wall and the position that is located the bottom all are equipped with the rectangle connecting plate, and the top of four rectangle connecting plates is connected with the converter wiring board jointly. The motor frequency converter junction box has the advantages that the supporting springs are arranged to play a role in damping and buffering the frame-shaped mounting frame, so that the vibration generated by the work of the motor is prevented from being directly transmitted to the frame-shaped mounting frame, and the frequency converter wiring board in the frame-shaped mounting frame is protected; through first cylindricality pole, second cylindricality pole and buffer spring, can play the effect of location and buffering to the solid piece of rectangle on the frame shape mounting bracket, avoid the frame shape mounting bracket to produce great rocking.

Description

Junction box of motor frequency converter

Technical Field

The utility model relates to a terminal box technical field specifically is a motor converter terminal box.

Background

The frequency converter is a power control device which controls an alternating current motor by applying a frequency conversion technology and a microelectronic technology and changing a working power supply frequency mode of the motor, when the motor runs, the motor can generate large vibration, a frequency converter wiring board in a wiring box of the existing motor frequency converter is rigidly connected with the wiring box, and after the motor works for a long time, the frequency converter wiring board in the wiring box is likely to be damaged due to long-term vibration and influences the normal use of the motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor converter terminal box to the converter wiring board that proposes in the above-mentioned background art in the current motor converter terminal box is connected for rigid connection with the terminal box, and after the motor worked for a long time, the converter wiring board in the terminal box probably can damage because of long-term vibrations, influences the problem of motor normal use.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a motor converter terminal box, includes motor body, motor body's top is equipped with the mount table, the top of mount table is equipped with the terminal box, the terminal box includes the box body, the middle part of box body inner wall bottom is equipped with fixed pipe, fixed intraductal supporting spring that is equipped with, be equipped with the frame mounting bracket directly over supporting spring, four corners of frame mounting bracket inner wall and the position that is located the bottom all are equipped with the rectangle connecting plate, four the top of rectangle connecting plate is connected with the converter wiring board jointly, the bottom of frame mounting bracket is equipped with the U-shaped support, the middle part of U-shaped support bottom is equipped with the solid piece of rectangle, circular spread groove has been seted up to the bottom of the solid piece of rectangle, supporting spring's top bonds in circular spread groove, the top of box body can be dismantled and be connected with the lid.

Preferably, the top of box body outer wall is equipped with down the installation frame, the bottom of lid outer wall is equipped with the installation frame, four edges of going up the installation frame all can dismantle with the lower installation frame through first screw and be connected.

Preferably, the left and right sides of box body inner wall and the position that is located the middle part are equipped with the first cylindricality pole of symmetric distribution, both sides and the position that is located the middle part are equipped with the second cylindricality pole of symmetric distribution around the box body inner wall, two second cylindricality pole and two the mounting groove has all been seted up to the outer end of first cylindricality pole, and four mounting grooves are all bonded there are buffer spring, four buffer spring's outer end all bonds there is the rectangle rubber piece.

Preferably, the four rectangular rubber blocks are respectively attached to four side faces of the rectangular fixed block.

Preferably, four corners of the frequency converter wiring board are detachably connected with the four rectangular connecting plates through third screws respectively.

Preferably, the top of the frame-shaped mounting rack is detachably connected with a frame-shaped positioning rack through a plurality of second screws.

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

the motor frequency converter junction box has the advantages that the supporting springs are arranged to play a role in damping and buffering the frame-shaped mounting frame, so that the vibration generated by the work of the motor is prevented from being directly transmitted to the frame-shaped mounting frame, and the frequency converter wiring board in the frame-shaped mounting frame is protected; through the first cylindrical rod, the second cylindrical rod and the buffer spring which are arranged, the rectangular fixing block on the frame-shaped mounting frame can be positioned and buffered, the frame-shaped mounting frame is prevented from shaking greatly, the frame-shaped mounting frame is prevented from colliding with the inner wall of the box body, and the frequency converter wiring board is further protected.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a second partial schematic view of the present invention;

fig. 4 is a third schematic view of a part of the structure of the present invention;

fig. 5 is a schematic view of an assembly structure of the frame-shaped mounting bracket, the frequency converter wiring board and the third screw according to the present invention;

fig. 6 is a schematic structural view of a frame-shaped mounting frame of the present invention.

In the figure: motor body 1, mount table 10, terminal box 2, box body 20, lower installation frame 200, fixed pipe 201, lid 21, first screw 22, go up installation frame 210, first cylindricality pole 3, second cylindricality pole 4, buffer spring 5, rectangle block rubber 6, supporting spring 7, frame shape mounting bracket 8, rectangle connecting plate 80, U-shaped support 81, rectangle solid piece 82, circular spread groove 820, frame shape locating rack 9, converter wiring board 11, second screw 12, third screw 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-6, the present invention provides a technical solution:

a motor frequency converter terminal box comprises a motor body 1, wherein the top of the motor body 1 is provided with an installation platform 10, the top of the installation platform 10 is provided with a terminal box 2, the terminal box 2 comprises a box body 20, the middle part of the bottom of the inner wall of the box body 20 is provided with a fixed pipe 201 for fixing the bottom end of a supporting spring 7, the supporting spring 7 is arranged in the fixed pipe 201, a frame-shaped installation frame 8 is arranged right above the supporting spring 7, four corners of the inner wall of the frame-shaped installation frame 8 and the positions at the bottom are all provided with rectangular connecting plates 80, the tops of the four rectangular connecting plates 80 are commonly connected with a frequency converter terminal plate 11 and are used for being connected with the four corners of the frequency converter terminal plate 11, so that the upper side and the lower side of the frequency converter terminal plate 11 are not covered by objects, the heat dissipation of the frequency converter terminal plate 11 is facilitated, the bottom of the frame-shaped installation frame 8 is provided with a U-shaped support 81, and the U-shaped support 81 can avoid the contact with the bottom of the frequency converter terminal plate 11, the middle part of U-shaped support 81 bottom is equipped with the solid piece 82 of rectangle, circular spread groove 820 has been seted up to the bottom of the solid piece 82 of rectangle, support spring 7's top bonds in circular spread groove 820, play the effect of shock attenuation and buffering to frame-shaped mounting bracket 8 through support spring 7, the vibrations of avoiding motor work production directly transmit the frame-shaped mounting bracket, thereby play the guard action to the converter wiring board in the frame-shaped mounting bracket, can dismantle at the top of box body 20 and be connected with lid 21, carry out the closure to box body 20.

In this embodiment, the top of the outer wall of the box body 20 is provided with the lower mounting frame 200, the bottom of the outer wall of the box cover 21 is provided with the upper mounting frame 210, four corners of the upper mounting frame 210 are detachably connected with the lower mounting frame 200 through the first screws 22, and a user can conveniently disassemble and assemble the box cover 21.

Specifically, first cylindrical rods 3 which are symmetrically distributed are arranged on the left side and the right side of the inner wall of the box body 20 and are positioned in the middle, second cylindrical rods 4 which are symmetrically distributed are arranged on the front side and the rear side of the inner wall of the box body 20 and are positioned in the middle, the length of each second cylindrical rod 4 is smaller than that of each first cylindrical rod 3 and is used for installing a buffer spring 5, installation grooves are formed in the outer ends of the two second cylindrical rods 4 and the outer ends of the two first cylindrical rods 3, the buffer springs 5 are bonded in the four installation grooves, rectangular rubber blocks 6 are bonded at the outer ends of the four buffer springs 5, the four rectangular rubber blocks 6 are respectively bonded with the four side faces of a rectangular fixed block 82, when the frame-shaped installation frame 8 shakes, the rectangular fixed block 82 can generate thrust to the rectangular rubber blocks 6, at the moment, the buffer springs 5 connected with the pushed rectangular rubber blocks 6 can be compressed to buffer and reduce the acting force, thereby avoid frame-shaped mounting bracket 8 to produce great rocking, and then prevent that frame-shaped mounting bracket 8 from bumping with the inner wall of box body 20, further play the guard action to converter wiring board 11.

Furthermore, four corners of the frequency converter wiring board 11 are detachably connected with the four rectangular connecting boards 80 through third screws 13, so that a user can conveniently disassemble and assemble the frequency converter wiring board 11.

Further, the top of the frame-shaped mounting frame 8 is detachably connected with a frame-shaped positioning frame 9 through a plurality of second screws 12, so that a wire connected with the frequency converter wiring board 11 is fixed, and the wire is prevented from being pulled to cause the breakage of a welding point at a wiring position.

The motor converter terminal box of this embodiment is when using, terminal box 2 is transmitted to the vibrations that motor work produced, under supporting spring 7's effect, can cushion and subdue the vibrations power, frame shape mounting bracket 8 can take place to rock because of supporting spring 7's deformation, at this moment, the solid piece 82 of rectangle can promote the removal of rectangle block rubber 6, and buffer spring 5 of being connected with rectangle block rubber 6 will produce reaction force, avoid frame shape mounting bracket 8 to produce rocking by a relatively large margin, thereby prevent that frame shape mounting bracket 8 from colliding with the inner wall of box body 20, further play the guard action to converter terminal board 11.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a motor converter terminal box which characterized in that: the motor comprises a motor body (1), wherein an installation table (10) is arranged at the top of the motor body (1), a junction box (2) is arranged at the top of the installation table (10), the junction box (2) comprises a box body (20), a fixed pipe (201) is arranged in the middle of the bottom of the inner wall of the box body (20), a supporting spring (7) is arranged in the fixed pipe (201), a frame-shaped installation frame (8) is arranged right above the supporting spring (7), rectangular connecting plates (80) are arranged at four corners of the inner wall of the frame-shaped installation frame (8) and at the bottom of the inner wall of the frame-shaped installation frame, the tops of the four rectangular connecting plates (80) are connected with a frequency converter wiring board (11) together, a U-shaped support (81) is arranged at the bottom of the frame-shaped installation frame (8), a rectangular fixed block (82) is arranged in the middle of the bottom of the U-shaped support (81), a circular connecting groove (820) is formed in the bottom of the rectangular fixed block (82), the top end of the supporting spring (7) is bonded in the circular connecting groove (820), and the top of the box body (20) is detachably connected with a box cover (21).

2. The motor inverter junction box of claim 1, wherein: the top of box body (20) outer wall is equipped with down installation frame (200), the bottom of lid (21) outer wall is equipped with installation frame (210), four edges of going up installation frame (210) all can dismantle with installation frame (200) down through first screw (22) and be connected.

3. The motor inverter junction box of claim 1, wherein: the left and right sides of box body (20) inner wall and the position that is located the middle part are equipped with first cylindricality pole (3) of symmetric distribution, both sides and the position that is located the middle part are equipped with second cylindricality pole (4) of symmetric distribution around box body (20) inner wall, two second cylindricality pole (4) and two the mounting groove has all been seted up to the outer end of first cylindricality pole (3), and buffer spring (5), four all bond in four mounting grooves the outer end of buffer spring (5) all bonds and has rectangle rubber block (6).

4. The motor inverter junction box of claim 3, wherein: the four rectangular rubber blocks (6) are respectively attached to four side faces of the rectangular fixed block (82).

5. The motor inverter junction box of claim 1, wherein: four corners of the frequency converter wiring board (11) are detachably connected with the four rectangular connecting plates (80) through third screws (13) respectively.

6. The motor inverter junction box of claim 1, wherein: the top of the frame-shaped mounting rack (8) is detachably connected with a frame-shaped positioning rack (9) through a plurality of second screws (12).

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