CN217721008U

CN217721008U - Special frequency converter for backpack water supply

Info

Publication number: CN217721008U
Application number: CN202221008913.4U
Authority: CN
Inventors: 赵鑫; 潘红伟
Original assignee: Zhejiang Hertz Electric Co ltd
Current assignee: Zhejiang Hertz Electric Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-11-01
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a special converter of backpack water supply, including the stationary blade that two symmetries set up and can dismantle the bearing dress subassembly that sets up in two stationary blade bottoms, two the regulation hole has all been seted up to the symmetry placed in the middle in the stationary blade, the bearing dress subassembly includes the inside mounting bracket that all sets up threaded hole in four corners, mobile installation has the adjusting bolt cap in the regulation hole, the bottom of adjusting bolt cap is built with the adjusting bolt pole between two parties, the adjusting bolt pole is kept away from the one end of adjusting bolt cap and can be twisted into threaded hole by the spiral, spacing screw has all been seted up to the outside four corners department of mounting bracket, spacing screw female fit installs one end and resists the spacing screw on the adjusting bolt pole outer fringe face, the cover is equipped with pressure-bearing spring two on the outer fringe face of adjusting bolt pole, this special converter of backpack water supply, and rational in infrastructure, be convenient for promote the stability of motor installation, the practicality is strong.

Description

Special frequency converter for backpack water supply

Technical Field

The utility model belongs to the technical field of the converter, concretely relates to special converter of backpack water supply.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (converting alternating current into direct current), a filtering unit, an inverting unit (converting direct current into alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, 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. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.

Publication number CN209930119U discloses a backpack frequency converter fixing device, which comprises at least two fixing bands and at least two fixing pieces; a plurality of waist-round adjusting holes are formed in the fixing piece, and adjusting screws are arranged on the adjusting holes; the end part of the fixed sheet is provided with a connecting hole connected with the frequency converter; the fixing band comprises a body, a head end and a tail end, wherein a through hole is formed in the tail end, the head end penetrates through the through hole to be connected with the body, and a fixing groove connected with an adjusting screw is formed in the end part of the body; the utility model can be directly connected to water pumps with different sizes through the fixing belt without modifying the original water pumps through the arrangement of the fixing belt; the waist-shaped adjusting holes in the fixing plate can be adjusted adaptively according to different motors, so that the fixing belt and the fixing plate are connected; through setting up the connecting hole at the tip, can make things convenient for being connected of stationary blade and converter.

Its setting through the oval adjusting hole on the stationary blade can carry out the adaptability according to the motor of difference and adjust, perhaps the mutual superpose of part of multi-disc stationary blade realizes the connection of fixed band and stationary blade, but does not be provided with limit structure between its adjusting screw and adjusting hole, leads to the motor to be firm inadequately after installing, appears sliding easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special converter of backpack water supply to solve the problem that proposes in the above-mentioned background art.

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

a backpack type frequency converter special for water supply comprises two symmetrically arranged fixing pieces and a bearing assembly detachably arranged at the bottoms of the two fixing pieces;

two all the symmetry between two parties has seted up the regulation hole in the fixed plate, the dress subassembly includes the inside mounting bracket that all sets up threaded hole of four corners, the mobile mounting of adjusting bolt cap in the regulation hole, the bottom of adjusting bolt cap is constructed centrally has the adjusting bolt pole, the adjusting bolt pole is kept away from the one end of adjusting bolt cap and can be screwed into in the threaded hole, spacing screw has all been seted up to the outside four corners department of mounting bracket, spacing screw female fit installs one end and resists the spacing screw on the adjusting bolt pole outer fringe face.

Furthermore, a second pressure-bearing spring is sleeved on the outer edge surface of the adjusting bolt rod, the bottom end of the adjusting bolt rod is screwed out of the threaded hole and is provided with a fixing nut in a threaded fit mode, and the top end and the bottom end of the second pressure-bearing spring are respectively abutted to the lower end surface of the adjusting bolt cap and the upper end surface of the mounting frame.

Furthermore, two sets of slotted holes are formed in two sides of the upper end face of the mounting frame and are symmetrically arranged.

Further, the connecting hole has all been seted up between two parties at the both ends of stationary blade, the connecting hole is U type cell structure.

Furthermore, a connecting bolt is detachably mounted in the connecting hole, one end of the connecting bolt penetrates through the connecting hole and is provided with a connecting nut in a threaded fit mode, a first pressure-bearing spring is sleeved on the outer edge surface of the bolt body of the connecting bolt, and the bottom end of the first pressure-bearing spring abuts against the upper end face of the fixing piece.

Compared with the prior art, the utility model discloses following beneficial effect has: thanks to the arrangement of the fixing plate, the adjusting hole, the mounting frame, the threaded hole, the adjusting bolt cap, the adjusting bolt rod and the limiting screw, the adjustment can be carried out adaptively according to different motors through the movable mounting of the adjusting hole and the adjusting bolt cap, one end of the adjusting bolt rod is screwed into the threaded hole during mounting, one end of the limiting screw is screwed into the limiting screw hole, and the other end of the limiting screw is abutted against the outer edge surface of the adjusting bolt rod, so that the rotation of the adjusting bolt rod can be limited, and the firmness of the motor after mounting can be improved;

thanks to the arrangement of the adjusting bolt cap, the adjusting bolt rod and the second pressure-bearing spring, when one end of the adjusting bolt rod is screwed into the threaded hole, the second pressure-bearing spring is extruded through the adjusting bolt cap, and therefore the relevance of connection and installation between the bearing assembly and the fixing piece is improved through the elastic action generated by deformation of the second pressure-bearing spring.

Drawings

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

FIG. 2 is a schematic structural view of the support assembly of the present invention;

fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present invention.

In the figure: 1. a fixing sheet; 2. connecting holes; 3. an adjustment hole; 4. a connecting bolt; 5. a connecting nut; 6. a first pressure bearing spring; 7. a load bearing assembly; 701. a mounting frame; 702. a threaded hole; 703. a slot; 704. adjusting the bolt cap; 705. adjusting the bolt shank; 706. a second pressure bearing spring; 707. and a limiting screw.

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.

As shown in fig. 1-3, a backpack type frequency converter for water supply comprises two symmetrically arranged fixing pieces 1 and a bearing assembly 7 detachably arranged at the bottom of the two fixing pieces 1;

adjusting holes 3 are symmetrically formed in the two fixing pieces 1 in the middle, the bearing assembly component 7 comprises an installation frame 701 with four corners and four inner threaded holes 702, adjusting bolt caps 704 are movably installed in the adjusting holes 3, adjusting bolt rods 705 are formed in the bottoms of the adjusting bolt caps 704 in the middle, one ends, far away from the adjusting bolt caps 704, of the adjusting bolt rods 705 can be screwed into the threaded holes 702, limiting threaded holes are formed in the four corners on the outer side of the installation frame 701, limiting screws 707 with one ends resisting to the outer edge surfaces of the adjusting bolt rods 705 are installed in the limiting threaded holes in a matched mode, benefiting from the fixing pieces 1, the adjusting holes 3, the installation frame 701, the threaded holes 702, the adjusting bolt caps 704, the adjusting bolt rods 705 and the limiting screws 707, the adjusting bolt rods 705 can be adjusted adaptively according to different motors through the movable installation of the adjusting holes 3 and the adjusting bolt caps 704, one ends of the adjusting bolt rods 705 can be screwed into the threaded holes 702 in the installation, one ends of the limiting screws 707 can be screwed into the limiting threaded holes and one ends of the outer edge surfaces of the adjusting bolt rods 705 can be resisted, so that the rotation of the adjusting bolt rods 705 can be limited, and the rotation of the motors can be improved after the motors are installed.

The outer edge face of the adjusting bolt rod 705 is sleeved with a second pressure-bearing spring 706, the bottom end of the adjusting bolt rod 705 is screwed out of the threaded hole 702 and is provided with a fixing nut in a threaded fit mode, the top end and the bottom end of the second pressure-bearing spring 706 are respectively abutted to the lower end face of the adjusting bolt cap 704 and the upper end face of the mounting frame 701, due to the arrangement of the adjusting bolt cap 704, the adjusting bolt rod 705 and the second pressure-bearing spring 706, when one end of the adjusting bolt rod 705 is screwed into the threaded hole 702, the second pressure-bearing spring 706 can be extruded through the adjusting bolt cap 704, and accordingly the relevance of connection and installation between the bearing assembly 7 and the fixing plate 1 is improved through the elastic force effect generated by deformation of the second pressure-bearing spring 706.

Two sets of slots 703 are formed on both sides of the upper end surface of the mounting frame 701, and the two sets of slots 703 are symmetrically arranged.

Wherein, connecting hole 2 has all been seted up between two parties at the both ends of stationary blade 1, and connecting hole 2 is U type cell structure.

Wherein, demountable installation has connecting bolt 4 in connecting hole 2, and connecting nut 5 is installed in connecting bolt 4's one end is passed connecting hole 2 and screw-thread fit, and the cover is equipped with pressure-bearing spring 6 on the external edge face of the bolt of connecting bolt 4, and the bottom butt of pressure-bearing spring 6 is in the up end of stationary blade 1.

The working principle is as follows: this special converter of backpack water supply, during the use, can carry out the adaptability according to the motor of difference through the movable mounting of regulation hole 3 with adjusting bolt cap 704, the one end spiral of adjusting bolt pole 705 is twisted into screw hole 702 when installation, and the accessible twists spacing screw and the outer fringe face that adjusting bolt pole 705 is resisted to one end spiral with the one end spiral of spacing screw 707, thereby can realize restricting the rotation of adjusting bolt pole 705, and then can promote the fastness of motor after the installation, when twisting adjusting bolt pole 705's one end into screw hole 702, can extrude pressure-bearing spring two 706 through adjusting bolt cap 704, thereby promote the associativity of being connected the installation between holding subassembly 7 and stationary blade 1 through the elastic force effect that pressure-bearing spring two deformation 706 produced, through setting up connecting hole 2 at stationary blade 1 tip, can make things convenient for the connection of stationary blade 1 and converter, and promote coupling nut 5 through the deformation effect of pressure-bearing spring one 6, the threaded connection intensity between connecting bolt 4 and the converter, promote the installation effect of converter, this special converter of backpack water supply, rational in infrastructure, be convenient for promote the stability of motor installation, therefore, the practicality is strong.

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. A backpack type frequency converter special for water supply comprises two symmetrically arranged fixing pieces (1) and a bearing assembly (7) detachably arranged at the bottom of the two fixing pieces (1);

the method is characterized in that: two all adjust hole (3) have been seted up to the symmetry between two parties in stationary blade (1), hold dress subassembly (7) and include inside mounting bracket (701) of all seting up screw hole (702) in the four corners, movably install adjusting bolt cap (704) in adjusting hole (3), the bottom of adjusting bolt cap (704) is constructed centrally and is had adjusting bolt pole (705), the one end that adjusting bolt cap (704) was kept away from in adjusting bolt pole (705) can screw in screw hole (702), spacing screw has all been seted up to the outside four corners department of mounting bracket (701), spacing screw thread fit installs one end and resists spacing screw (707) on adjusting bolt pole (705) outer fringe face.

2. The backpack type frequency converter special for water supply according to claim 1, which is characterized in that: the outer edge face of the adjusting bolt rod (705) is sleeved with a second pressure-bearing spring (706), the bottom end of the adjusting bolt rod (705) is screwed out of the threaded hole (702) and is provided with a fixing nut in a threaded fit mode, and the top end and the bottom end of the second pressure-bearing spring (706) are respectively abutted to the lower end face of the adjusting bolt cap (704) and the upper end face of the mounting frame (701).

3. The backpack type frequency converter special for water supply according to claim 1, which is characterized in that: two groups of slotted holes (703) are formed in two sides of the upper end face of the mounting rack (701), and the two groups of slotted holes (703) are symmetrically arranged.

4. The backpack type frequency converter special for water supply according to claim 1, which is characterized in that: connecting holes (2) are formed in the middle of two ends of the fixing piece (1), and the connecting holes (2) are of U-shaped groove structures.

5. The special frequency converter for backpack water supply according to claim 4, which is characterized in that: demountable installation has connecting bolt (4) in connecting hole (2), connecting nut (5) are installed in connecting hole (2) and screw-thread fit to the one end of connecting bolt (4) is passed, and the cover is equipped with pressure-bearing spring (6) on the external edge face of the bolt of connecting bolt (4), the bottom butt of pressure-bearing spring (6) is in the up end of stationary blade (1).