CN210430316U

CN210430316U - Frequency converter interface device

Info

Publication number: CN210430316U
Application number: CN201921754741.3U
Authority: CN
Inventors: 金荣梅; 陈华均; 冯林
Original assignee: Guangzhou Lingchuan Electric Co Ltd
Current assignee: Guangzhou Lingchuan Electric Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-04-28
Anticipated expiration: 2029-10-18

Abstract

The utility model relates to a converter technical field, and a converter interface arrangement is disclosed, including converter main part and interface main part, the interface main part is including a threading section of thick bamboo, the nut, first wiring port, first connector lug, the annular fixed plate, second wiring port and second connector lug, the right side lower extreme of converter main part seted up with a threading section of thick bamboo assorted through-hole, a threading section of thick bamboo passes through the through-hole and pegs graft with converter main part activity, the lateral wall left end of a threading section of thick bamboo be equipped with the external screw thread and with nut threaded connection, and the one end and the first wiring port fixed connection that lie in converter main part inside of a threading section of thick bamboo, first connector lug closely pegs graft with first wiring port, the first wire of one end fixedly connected with of first wiring port is kept away from to first connector. The utility model discloses be convenient for stably install interface and converter, and be convenient for dismantle the change to the interface, still be convenient for make kneck firm in connection, avoid taking place to drop.

Description

Frequency converter interface device

Technical Field

The utility model relates to a converter technical field especially relates to a converter interface arrangement.

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 (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like.

In the prior art, the interface of the frequency converter is exposed outside the frequency converter and is easily damaged, the interface is fixedly connected with the frequency converter, and the inner lead of the frequency converter is directly fixedly connected with the interface, so that the frequency converter is not easily replaced when damaged, and therefore, the frequency converter interface device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the prior art in the converter interface expose in the outside of converter, receive the damage easily, and interface and converter fixed connection, and converter inner conductor is direct and interface fixed connection to be difficult for the problem of changing when leading to damaging, and a converter interface arrangement who proposes.

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

a frequency converter interface device comprises a frequency converter main body and an interface main body, wherein the interface main body comprises a threading cylinder, a nut, a first wiring port, a first connector lug, an annular fixing plate, a second wiring port and a second connector lug, the lower end of the right side of the frequency converter main body is provided with a through hole matched with the threading cylinder, the threading cylinder is movably inserted with the frequency converter main body through the through hole, the left end of the outer side wall of the threading cylinder is provided with an external thread and is in threaded connection with the nut, one end of the threading cylinder, which is positioned inside the frequency converter main body, is fixedly connected with the first wiring port, the first connector lug is tightly inserted with the first wiring port, one end of the first connector lug, which is far away from the first wiring port, is fixedly connected with a first lead, the annular fixing plate is fixedly connected with the right end of the outer side wall of the threading cylinder, and the right end of the threading cylinder is fixedly connected, the second wiring port is closely inserted with the second wiring head, and the right end of the second wiring head is fixedly connected with a second wire.

Preferably, the outer side wall cover of a threading section of thick bamboo is equipped with first sealing washer and second sealing washer, first sealing washer is located to set up between nut and the converter main part right side wall, the second sealing washer is located to set up between annular fixed plate and the converter main part right side wall.

Preferably, the outside cover of annular fixed plate is equipped with the guard ring, the left end and the converter main part fixed connection of guard ring.

Preferably, the inner side wall of the guard ring is arranged in a regular hexagon shape, and the outer side wall of the annular fixing plate is arranged in a hexagon shape.

Preferably, the two opposite ends of the first wiring port and the second wiring port are fixedly connected with two elastic rods symmetrically arranged, two opposite rod walls of the two sides of the elastic rods are fixedly connected with clamping blocks, and the outer side walls of the first wiring head and the second wiring head are provided with two clamping grooves matched with the clamping blocks.

Compared with the prior art, the utility model provides a converter interface arrangement possesses following beneficial effect:

1. this converter interface arrangement, through the line feed cylinder, nut, first wiring end, second wiring end, first connector lug and the second connector lug that are equipped with mutually support, be convenient for carry out fixed mounting to interface and converter main part, and be convenient for dismantle the change.

2. This converter interface arrangement can improve the leakproofness between interface main part and the converter main part through first sealing washer and the second sealing washer that is equipped with, through mutually supporting of two sets of elastic rod and two sets of fixture blocks that are equipped with, can avoid first wiring port and first connector lug and second wiring port and second connector lug to take place to drop.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses be convenient for stably install interface and converter, and be convenient for dismantle the change to the interface, still be convenient for make the kneck firm in connection, avoid taking place to drop.

Drawings

Fig. 1 is a schematic structural diagram of an interface device of a frequency converter according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the frequency converter comprises a frequency converter main body 1, a threading barrel 2, a nut 3, a first wiring port 4, a first wiring head 5, an annular fixing plate 6, a second wiring port 7, a second wiring head 8, a first wire 9, a second wire 10, a first sealing ring 11, a second sealing ring 12, a protective ring 13 and an elastic rod 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-2, a frequency converter interface device comprises a frequency converter main body 1 and an interface main body, wherein the interface main body comprises a threading cylinder 2, a nut 3, a first wiring port 4, a first connector lug 5, an annular fixing plate 6, a second wiring port 7 and a second connector lug 8, the lower end of the right side of the frequency converter main body 1 is provided with a through hole matched with the threading cylinder 2, the threading cylinder 2 is movably inserted with the frequency converter main body 1 through the through hole, the left end of the outer side wall of the threading cylinder 2 is provided with an external thread and is in threaded connection with the nut 3, one end of the threading cylinder 2 positioned inside the frequency converter main body 1 is fixedly connected with the first wiring port 4, the first connector lug 5 is tightly inserted with the first wiring port 4, one end of the first connector lug 5 far away from the first wiring port 4 is fixedly connected with a first lead 9, the annular fixing plate 6 is fixedly connected with the right end of the outer, and the right end of the threading cylinder 2 is fixedly connected with the second wiring port 7, the second wiring port 7 is tightly inserted with the second connector lug 8, the right end of the second connector lug 8 is fixedly connected with a second lead wire 10, and the first wiring port 4 is electrically connected with the second wiring port 7 through the lead wire.

The lateral wall cover of a threading section of thick bamboo 2 is equipped with first sealing washer 11 and second sealing washer 12, and first sealing washer 11 is located and sets up between nut 3 and the 1 right side wall of converter main part, and second sealing washer 12 is located and sets up between annular fixed plate 6 and the 1 right side wall of converter main part, can improve interface main part and the direct leakproofness of converter main part 1.

The outside cover of annular fixed plate 6 is equipped with guard ring 13, and guard ring 13's left end and converter main part 1 fixed connection can protect second sealing washer 12 and annular fixed plate 6, avoid long-term the use to be corroded.

The inside wall of guard ring 13 is regular hexagon setting, and the lateral wall of annular fixed plate 6 is hexagon setting, can carry on spacingly to annular fixed plate 6 to be convenient for directly use nut 2 to install and dismantle.

The equal two elastic rod 14 that the symmetry set up in the opposite both ends of first wiring port 4 and second wiring port 7, the equal fixedly connected with fixture block of two both sides pole walls that two elastic rod 14 are relative, two and fixture block assorted draw-in grooves have all been seted up to the lateral wall of first connector lug 5 and second connector lug 8, peg graft with first wiring port 4 when first connector lug 5, when second connector lug 8 pegs graft with second wiring port 7, two sets of fixture blocks are gone into respectively under the effect of two sets of elastic rod 14 in two sets of draw-in grooves, thereby avoid first wiring port 4 and first connector lug 5 and second wiring port 7 and second connector lug 8 to take place to drop.

The utility model discloses in, during the use, the one end that an annular fixed plate 6 was kept away from to a threading section of thick bamboo 2 is followed converter main part 1's outside and is inserted the through-hole, uses nut 3 to fix, closely pegs graft first connector lug 5 and first wiring port 4, closely pegs graft second connector lug 8 and second wiring port 7 to be convenient for carry out fixed mounting to interface main part and converter main part 1, and be convenient for dismantle the change.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a converter interface arrangement, includes converter main part (1) and interface main part, its characterized in that, the interface main part is including threading a section of thick bamboo (2), nut (3), first wiring port (4), first connector lug (5), annular fixed plate (6), second wiring port (7) and second connector lug (8), the right side lower extreme of converter main part (1) seted up with threading a section of thick bamboo (2) assorted through-hole, threading a section of thick bamboo (2) are pegged graft through-hole and converter main part (1) activity, the lateral wall left end of threading a section of thick bamboo (2) is equipped with the external screw thread and with nut (3) threaded connection, and the one end that is located converter main part (1) inside of threading a section of thick bamboo (2) and first port (4) fixed connection, first connector lug (5) closely peg graft with first wiring port (4), the one end fixedly connected with first wire (9) of first wiring port (4) are kept away from to first connector lug (5) ) The cable connector comprises an annular fixing plate (6), a threading barrel (2), a second wiring port (7), a second wiring head (8), a second wire (10) and a second wiring port (7), wherein the annular fixing plate (6) is fixedly connected with the right end of the outer side wall of the threading barrel (2), the right end of the threading barrel (2) is fixedly connected with the second wiring port, the second wiring port (7) is tightly spliced with the second wiring head (8), and the right end of the second wiring head (8) is fixedly connected with the.

2. The frequency converter interface device according to claim 1, wherein a first sealing ring (11) and a second sealing ring (12) are sleeved on an outer side wall of the threading cylinder (2), the first sealing ring (11) is disposed between the nut (3) and a right side wall of the frequency converter body (1), and the second sealing ring (12) is disposed between the annular fixing plate (6) and the right side wall of the frequency converter body (1).

3. A transducer interface device according to claim 1, wherein a guard ring (13) is sleeved on the outer portion of the annular fixing plate (6), and the left end of the guard ring (13) is fixedly connected to the transducer body (1).

4. A transducer interface device according to claim 3, characterized in that the inner side wall of the guard ring (13) is arranged in a regular hexagon and the outer side wall of the annular fixing plate (6) is arranged in a hexagon.

5. The frequency converter interface device according to claim 1, wherein two symmetrically arranged elastic rods (14) are fixedly connected to opposite ends of the first connection port (4) and the second connection port (7), clamping blocks are fixedly connected to opposite side rod walls of the two elastic rods (14), and two clamping grooves matched with the clamping blocks are formed in outer side walls of the first connector lug (5) and the second connector lug (8).