Higher harmonic filtering module convenient to install

Abstract

The utility model relates to the technical field of filters, and discloses a high-order harmonic filtering module convenient to install, which comprises a harmonic filter body, a base, two adjusting rods and a height adjusting mechanism, the base is fixed at the bottom of the harmonic filter body, and the two adjusting rods penetrating through the base are installed on the base. Limiting sliding grooves used for moving of the adjusting rods are formed in the base, a height adjusting mechanism is installed on the lower side of each adjusting rod, and a plurality of second bolts are installed on each height adjusting mechanism. According to the utility model, the installation position is convenient to adjust, and different installation hole positions are convenient to adapt; and fine adjustment of the installation height is convenient so as to adapt to different installation requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a high-order harmonic filtering module that is easy to install. Background Art

[0002] High-order harmonics are the same as general radio electromagnetic interference. The high-order harmonics generated by the inverter cause harmonic pollution to the power supply and adjacent electrical equipment through three ways: conduction, electromagnetic radiation and inductive coupling. In order to eliminate the hazards of high-order harmonics, filters are needed to remove high-order harmonics. Existing filters are fixed with bolts during installation. However, the positions of the mounting bolts on the filters are fixed, which makes it impossible to adjust them according to the mounting holes of external parts. Moreover, the installation height of the existing filters cannot be adjusted and cannot be adjusted according to specific needs. Therefore, in view of the above situation, it is urgent to develop a high-order harmonic filter module that is easy to install, easy to adjust the installation position, easy to adapt to different installation holes, and easy to fine-tune the installation height to meet different installation requirements, so as to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0003] The utility model aims to provide a high-order harmonic filter module that is easy to install, and the installation position can be easily adjusted to adapt to different installation hole positions; the installation height can be easily fine-tuned to adapt to different installation requirements.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A high-order harmonic filter module that is easy to install comprises a harmonic filter body, a base, an adjustment rod and a height adjustment mechanism. The base is fixed to the bottom of the harmonic filter body, two adjustment rods passing through the base are installed on the base, and a limiting slide groove for moving the adjustment rods is provided on the base. A height adjustment mechanism is installed on the lower side of each of the adjustment rods, and a plurality of second bolts are installed on each of the height adjustment mechanisms.

[0006] Preferably: the adjusting rod comprises: a sliding rod, a baffle, a threaded rod, a fastening nut and a sleeve, the sliding rod passes through a limiting sliding groove, a baffle is fixed to the right end of the sliding rod, a threaded rod is fixed to the left end of the sliding rod, a fastening nut is installed on the outside of the threaded rod, a sleeve is fixed to both left and right ends of the sliding rod, and the sleeve is connected to the height adjustment mechanism.

[0007] Preferably, the blocking piece is attached to the right side of the base, and the fastening nut is attached to the left side of the base.

[0008] Preferably, a plurality of toggle rods are fixed to the outer side of the fastening nut.

[0009] Preferably: the height adjustment mechanism includes: a horizontal plate, a guide rod and a first bolt, a guide rod is fixed to the left and right ends of the horizontal plate, the guide rod is inserted into a sleeve, a first bolt is installed on the guide rod, a plurality of threaded holes for installing the first bolt are provided on the sleeve, and a waist-shaped hole for moving the second bolt is provided on the horizontal plate.

[0010] The beneficial effects of the utility model are as follows: the high-order harmonic filter module, which is easy to install, can be installed by adjusting the position of the second bolt according to the external installation hole position, so that the second bolt can be aligned with the external installation hole position. When adjusting, first loosen the fastening nut by the toggle rod, then slide and adjust the slide bar in the limit slide groove, and drive the height adjustment mechanism and the second bolt to move by the slide bar. After adjustment, tighten the fastening nut to fix the slide bar, and then move the second bolt left and right in the waist-shaped hole. After moving into place, screw the second bolt onto the external parts; in addition, unscrew the first bolt, and then adjust the position of the guide rod up and down, and then adjust the installation height of the harmonic filter body. After adjustment, screw on the first bolt to fix the guide rod. In summary, the utility model is convenient for adjusting the installation position and is easy to adapt to different installation hole positions; it is convenient to fine-tune the installation height to adapt to different installation requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 .

[0012] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 .

[0013] Figure 3 It is a partial structural schematic diagram of the utility model.

[0014] Figure 4 For this utility model Figure 3 Exploded diagram.

[0015] Legend:

[0016] 1. Harmonic filter body; 2. Base; 201. Limiting slide groove; 3. Adjusting rod; 301. Sliding rod; 302. Blocking piece; 303. Threaded rod; 304. Fastening nut; 3041. Toggle rod; 305. Sleeve; 3051. Threaded hole; 4. Height adjustment mechanism; 401. Cross plate; 4011. Waist-shaped hole; 402. Guide rod; 403. First bolt; 5. Second bolt. Implementation

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Specific examples are given below.

[0019] See also Figure 1~Figure 4 In an embodiment of the utility model, a high-order harmonic filtering module that is easy to install includes a harmonic filter body 1, a base 2, an adjusting rod 3 and a height adjustment mechanism 4. The base 2 is fixed to the bottom of the harmonic filter body 1, and two adjusting rods 3 that penetrate the base 2 are installed on the base 2. A limiting slide groove 201 for moving the adjusting rod 3 is provided on the base 2. A height adjustment mechanism 4 is installed on the lower side of each adjusting rod 3, and a plurality of second bolts 5 are installed on each height adjustment mechanism 4. During installation, the position of the second bolt 5 is adjusted according to the external installation hole position so that the second bolt 5 is aligned with the installation hole position. During adjustment, the height adjustment mechanism 4 is driven to move by the adjusting rod 3, and the second bolt 5 is driven to move by the height adjustment mechanism 4, and then the second bolt 5 is moved on the height adjustment mechanism 4, and then the position of the second bolt 5 is adjusted.

[0020] The adjusting rod 3 includes: a sliding rod 301, a blocking piece 302, a threaded rod 303, a fastening nut 304 and a sleeve 305. The sliding rod 301 passes through the limiting sliding groove 201, the right end of the sliding rod 301 is fixed with a blocking piece 302, the left end of the sliding rod 301 is fixed with a threaded rod 303, the outer side of the threaded rod 303 is installed with a fastening nut 304, the blocking piece 302 is attached to the right side of the base 2, and the fastening nut 304 is attached to the left side of the base 2, and a plurality of toggle rods 3041 are fixed to the outer side of the fastening nut 304, and a sleeve 305 is fixed at both ends of the sliding rod 301, and the sleeve 305 is connected to the height adjustment mechanism 4. When adjusting, the fastening nut 304 is first loosened by the toggle rod 3041, and then the sliding rod 301 is slidably adjusted in the limiting sliding groove 201. After the adjustment, the fastening nut 304 is tightened to fix the sliding rod 301.

[0021] The height adjustment mechanism 4 includes: a horizontal plate 401, a guide rod 402 and a first bolt 403. A guide rod 402 is fixed to the left and right ends of the horizontal plate 401. The guide rod 402 is inserted into the sleeve 305. The first bolt 403 is installed on the guide rod 402. The sleeve 305 is provided with a plurality of threaded holes 3051 for installing the first bolt 403. The horizontal plate 401 is provided with a waist-shaped hole 4011 for moving the second bolt 5. When adjusting, the first bolt 403 is first unscrewed, and then the position of the guide rod 402 is adjusted up and down. After adjustment, the first bolt 403 is screwed on to fix the guide rod 402. Then, the second bolt 5 can be moved left and right in the waist-shaped hole 4011. After moving into place, the second bolt 5 can be screwed onto an external part.

[0022] Working principle: When installing the high-order harmonic filter module which is easy to install, the position of the second bolt 5 is adjusted according to the external installation hole position so that the second bolt 5 is aligned with the external installation hole position. When adjusting, first loosen the fastening nut 304 by the toggle rod 3041, and then slide the slide bar 301 in the limiting slide groove 201 for sliding adjustment, and drive the height adjustment mechanism 4 and the second bolt 5 to move by the slide bar 301. After the adjustment, tighten the fastening nut 304 to fix the slide bar 301, and then move the second bolt 5 left and right in the waist-shaped hole 4011. After moving into place, screw the second bolt 5 onto the external parts; in addition, unscrew the first bolt 403, and then adjust the position of the guide rod 402 up and down, so as to adjust the installation height of the harmonic filter body 1. After the adjustment, screw on the first bolt 403 to fix the guide rod 402.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-order harmonic filter module that is easy to install, characterized in that: The invention comprises a harmonic filter body (1), a base (2), an adjustment rod (3) and a height adjustment mechanism (4); the base (2) is fixed to the bottom of the harmonic filter body (1); two adjustment rods (3) passing through the base (2) are mounted on the base (2); a limiting slide groove (201) for moving the adjustment rods (3) is arranged on the base (2); a height adjustment mechanism (4) is mounted on the lower side of each adjustment rod (3); and a plurality of second bolts (5) are mounted on each height adjustment mechanism (4).

2. The high-order harmonic filter module that is easy to install according to claim 1 is characterized in that: The adjusting rod (3) comprises: a sliding rod (301), a blocking piece (302), a threaded rod (303), a fastening nut (304) and a sleeve (305); the sliding rod (301) passes through the limiting sliding groove (201); the right end of the sliding rod (301) is fixed with a blocking piece (302); the left end of the sliding rod (301) is fixed with a threaded rod (303); the outer side of the threaded rod (303) is installed with a fastening nut (304); the left and right ends of the sliding rod (301) are each fixed with a sleeve (305); the sleeve (305) is connected to the height adjustment mechanism (4).

3. The high-order harmonic filter module that is easy to install according to claim 2 is characterized in that: The blocking piece (302) is attached to the right side of the base (2), and the fastening nut (304) is attached to the left side of the base (2).

4. The high-order harmonic filter module that is easy to install according to claim 2 is characterized in that: A plurality of toggle rods (3041) are fixed to the outer side of the fastening nut (304).

5. The high-order harmonic filter module that is easy to install according to claim 2 is characterized in that: The height adjustment mechanism (4) comprises: a horizontal plate (401), a guide rod (402) and a first bolt (403); a guide rod (402) is fixed to each of the left and right ends of the horizontal plate (401); the guide rod (402) is inserted into a sleeve (305); the first bolt (403) is mounted on the guide rod (402); the sleeve (305) is provided with a plurality of threaded holes (3051) for mounting the first bolt (403); and the horizontal plate (401) is provided with a waist-shaped hole (4011) for moving the second bolt (5).

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