CN214176252U

CN214176252U - Quick connection jig for frequency converter

Info

Publication number: CN214176252U
Application number: CN202023349704.XU
Authority: CN
Inventors: 李德高
Original assignee: Dongguan Nabaichuan Electronic Technological Co ltd
Current assignee: Dongguan Nabaichuan Electronic Technological Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-10
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to the technical field of connectors, in particular to a quick connection jig for a frequency converter, which comprises a main cover body and a plurality of main power terminals movably arranged on the main cover body, wherein the lower end of each main power terminal is provided with a main contact finger spring, the top end of each main power terminal is connected with a main wire pressing terminal, the outer periphery of each main power terminal is sleeved with a main reset elastic piece, and two ends of each main reset elastic piece are respectively connected with the main cover body and the main power terminal; and the main cover body is also provided with a locking assembly for locking with the frequency converter. The utility model has convenient use, improves the stability when the main power terminal is connected with the frequency converter, and has reliable structure; furthermore, the locking assembly is arranged, when the main cover body is pressed at the interface end of the frequency converter, the main cover body is directly locked with the frequency converter through the locking assembly, compared with a traditional connecting jig, the time for screwing the screw to fix the cable and connecting the jig is greatly saved, the working efficiency is improved, and the installation is rapid and convenient.

Description

Quick connection jig for frequency converter

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to indicate a quick connect tool that converter was used.

Background

It is known that with the rapid development of modern power electronic technology and computer control technology, the technical revolution of electric transmission is promoted, the alternating current speed regulation replaces the direct current speed regulation, the computer digital control replaces the analog control and has become the development trend, the alternating current motor frequency conversion speed regulation is a main means for saving electric energy, improving the production process flow, improving the product quality and improving the operation environment at present, the frequency conversion speed regulation is recognized as the speed regulation mode with the most development future at home and abroad with many advantages of high efficiency, high power factor, excellent speed regulation and start brake performance; at present, a large number of low-voltage frequency converter manufacturers exist in China, most of the low-voltage frequency converter manufacturers are AC380V medium and small power products, but the high-voltage high-power frequency converters are few, and the high-voltage frequency converter manufacturers capable of developing, producing and providing services only have a few individual enterprises with scientific research capability or capital strength. At present, the wiring mode of high-voltage frequency converters at home and abroad is basically that the high-voltage frequency converters are connected by virtue of high-voltage cable connecting transformer outlet terminals, then enter a trench and finally are connected to each corresponding unit; the connector of present frequency conversion generally all needs the screw to fix connection jig on the converter, and installation operation is difficult, and it is inconvenient to use.

Disclosure of Invention

The utility model provides a quick connection jig for a frequency converter aiming at the problems of the prior art, which is convenient to use, improves the stability when the main power terminal is connected with the frequency converter, and has reliable structure and ingenious design; furthermore, the locking assembly is arranged, when the main cover body is pressed at the interface end of the frequency converter, the main cover body is directly locked with the frequency converter through the locking assembly, compared with a traditional connecting jig, the time for screwing the screw fixing cable and connecting the jig is greatly saved, the working efficiency is improved, the operation difficulty is reduced, and the installation is rapid and convenient.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a quick connection jig for frequency converter, including main lid and the activity install a plurality of main power terminals at main lid, the lower extreme of every main power terminal all installs main finger spring, the top of main power terminal is connected with main line ball terminal, the periphery cover of main power terminal is equipped with main elastic component that resets, the both ends of main elastic component that resets are connected with main lid and main power terminal respectively; and the main cover body is also provided with a locking assembly for locking with the frequency converter.

The main cover body is provided with a plurality of first through holes, the upper end of the main power terminal penetrates through the first through holes and then is connected with a main connecting nut, and the main line pressing terminal is located between the main connecting nut and the main cover body.

The main cover body is provided with a plurality of mounting grooves, the mounting grooves correspond to the line pressing terminals one to one, and the line pressing terminals are mounted in the mounting grooves.

The first through hole is internally sleeved with a first guide sleeve, and the upper end of the main power terminal penetrates through the first guide sleeve.

Wherein, a plurality of main power terminals are arranged in a row at equal intervals.

Wherein, the locking subassembly includes that the levogyration buckle, the right side rotate and rotate buckle, levogyration support, dextrorotation support and fixed cover, the one end of levogyration buckle is articulated with the one end of main lid, the other end of levogyration buckle is articulated with the one end of levogyration support, the one end that the right side rotated the buckle is articulated with the other end of main lid, the other end of levogyration support with the one end of dextrorotation support is articulated, the other end that the right side rotated the buckle is articulated with the other end of dextrorotation support, fixed cover is established levogyration support with the articulated junction of dextrorotation support.

The outer wall of the left rotating buckle plate and the outer wall of the right rotating buckle plate are respectively provided with a left buckle block and a right buckle block.

The quick connection jig for the frequency converter further comprises a plurality of auxiliary quick connection assemblies, each auxiliary quick connection assembly further comprises an auxiliary cover body and a plurality of auxiliary power terminals movably arranged on the auxiliary cover body, an auxiliary contact finger spring is arranged at the lower end of each auxiliary power terminal, the top ends of the auxiliary power terminals are connected with auxiliary pressure wire terminals, auxiliary reset elastic pieces are sleeved on the peripheries of the auxiliary power terminals, and two ends of each auxiliary reset elastic piece are respectively connected with the auxiliary cover body and the auxiliary power terminals; the main cover body is connected with the auxiliary cover body.

The quick connection jig for the frequency converter further comprises a plurality of connecting blocks, and the main cover body and the auxiliary cover body are detachably connected to two ends of the connecting blocks respectively.

The auxiliary cover body is provided with a plurality of second through holes, the upper end of the auxiliary power terminal penetrates through the second through holes and then is connected with an auxiliary connecting nut, and the auxiliary pressure wire terminal is located between the auxiliary connecting nut and the auxiliary cover body;

a second guide sleeve is sleeved in the second through hole, and the upper end of the auxiliary power terminal penetrates through the second guide sleeve;

the plurality of auxiliary power terminals are arranged in a row at equal intervals.

The utility model has the advantages that:

when the utility model is used, the main cover body is pressed at the interface end of the frequency converter, the main power terminal is inserted into the corresponding interface, and the main contact finger spring is abutted against the connecting terminal of the interface end to realize the electric connection; the main wire pressing terminal can be directly connected with a cable, the main reset elastic piece and the main contact finger spring are the main power terminal, the difficulty of connection and insertion during connection is reduced, the use is convenient, the stability of the connection between the main power terminal and the connecting terminal at the interface end is improved under the main reset elastic piece and the main contact finger spring, the structure is reliable, and the design is ingenious; furthermore, the locking assembly is arranged, when the main cover body is pressed at the interface end of the frequency converter, the main cover body is directly locked with the frequency converter through the locking assembly, compared with a traditional connecting jig, the time for screwing the screw fixing cable and connecting the jig is greatly saved, the working efficiency is improved, the operation difficulty is reduced, and the installation is rapid and convenient.

Drawings

Fig. 1 is a schematic structural view of a quick connection jig for a frequency converter of the present invention.

Fig. 2 is another schematic view of the quick connection jig for the frequency converter of the present invention.

Fig. 3 is an exploded view of the quick connection jig for the frequency converter of the present invention.

Fig. 4 is the schematic structural diagram of the utility model after the sub-quick link assembly is hidden.

Fig. 5 is an exploded view of the structure of fig. 4.

Fig. 6 is an exploded view of the sub quick link assembly of the present invention.

Fig. 7 is a schematic structural diagram of the present invention assembled with the frequency converter.

The reference numerals in fig. 1 to 7 include:

1. a main cover body; 2. a main power terminal; 3. a main finger spring; 4. a main wire pressing terminal; 5. a main return spring; 6. a locking assembly; 7. a first perforation; 8. a main connecting nut; 9. installing a groove; 10. a first guide sleeve; 11. a left rotating buckle plate; 12. a right rotating buckle plate; 13. rotating the bracket left; 14. a right rotating bracket; 15. fixing a sleeve; 16. a left buckling block; 17. a right buckle block; 18. a secondary quick connect assembly; 19. a sub-cover body; 20. a secondary power terminal; 21. a secondary finger spring; 22. a secondary crimp terminal; 23. a secondary return spring; 24. connecting blocks; 25. a second perforation; 26. a secondary connecting nut; 27. and a second guide sleeve.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

It should be further noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

A quick connection jig for a frequency converter is shown in figures 1 to 7 and comprises a main cover body 1 and a plurality of main power terminals 2 movably arranged on the main cover body 1, wherein the lower end of each main power terminal 2 is provided with a main contact finger spring 3, the top ends of the main power terminals 2 are connected with main line pressing terminals 4, main reset elastic pieces 5 are sleeved on the peripheries of the main power terminals 2, and two ends of each main reset elastic piece 5 are respectively connected with the main cover body 1 and the main power terminals 2; the main cover body 1 is also provided with a locking assembly 6 for locking with the frequency converter. When the frequency converter is used, the main cover body 1 is pressed at the interface end of the frequency converter, the main power terminal 2 is inserted into the corresponding interface, and the main contact finger spring 3 is abutted with the connecting terminal of the interface end to realize electric connection; the main wire pressing terminal 4 can be directly connected with a cable, the main reset elastic piece 5 and the main contact finger spring 3 reduce the difficulty of connection and splicing when in connection for the main power terminal 2, the use is convenient, the stability when the main power terminal 2 is connected with the connecting terminal of the interface end is improved under the main reset elastic piece 5 and the main contact finger spring 3, the structure is reliable, and the design is ingenious; further, be provided with the lock and pay the subassembly, main 1 crimping of lid is when the interface end of converter, pay subassembly and the direct lock of converter through the lock and pay, compares with traditional connection tool, saves the time that need twist the fixed cable of screw and connect tool greatly, improves work efficiency, reduces the operation degree of difficulty, and the installation is swiftly convenient.

In this embodiment, the main cover 1 is made of an epoxy board.

This embodiment a quick connect fixture that converter was used, main lid 1 is provided with a plurality of first perforation 7, main power terminal 2's upper end is worn to locate be connected with main coupling nut 8 behind the first perforation 7, main line ball terminal 4 is located between main coupling nut 8 and the main lid 1. Specifically, the main connecting nut 8 is arranged to lock the main power terminal 2 and the main line pressing terminal 4 on the main cover body 1 at the same time, so that the structure is reliable and the connection is stable.

This embodiment a quick connect fixture that converter was used, main lid 1 is provided with a plurality of mounting grooves 9, mounting grooves 9 and line ball terminal one-to-one, the line ball terminal is installed in mounting grooves 9. Particularly, the arrangement can be used for limiting and installing the wire pressing terminal, and the structure is reliable and good in stability.

In the quick connection fixture for the frequency converter of this embodiment, the first through hole 7 is internally sleeved with the first guide sleeve 10, and the upper end of the main power terminal 2 penetrates through the first guide sleeve 10. Specifically, the arrangement described above can make the main power terminal 2 stable when moving, less prone to shift, and can reduce friction with the main cover 1.

This embodiment a quick connect fixture that converter was used, a plurality of main power terminal 2 are the equidistant setting of one row of formula. Specifically, the structure is neat, the arrangement is neat, and the opposite insertion with the frequency converter is convenient.

This embodiment a quick connect tool that converter was used, locking Assembly 6 includes that the levogyration buckle 11, the right side rotate buckle 12, levogyration support 13, dextrorotation support 14 and fixed cover 15, the one end of levogyration buckle 11 is articulated with the one end of main lid 1, the other end of levogyration buckle 11 is articulated with the one end of levogyration support 13, the one end of the right side rotation buckle 12 is articulated with the other end of main lid 1, the other end of levogyration support 13 with the one end of dextrorotation support 14 is articulated, the other end of the right side rotation buckle 12 is articulated with the other end of dextrorotation support 14, fixed cover 15 is established levogyration support 13 with the articulated junction of dextrorotation support 14. Specifically, after the quick connection jig is pressed on the interface end of the frequency converter, the left rotating buckle plate 11 and the right rotating buckle plate 12 are buckled and locked on the frequency converter, at the moment, the fixed sleeve 15 is sleeved at the hinged joint of the left rotating bracket 13 and the right rotating bracket 14, the left rotating bracket 13 and the right rotating bracket 14 are prevented from rotating, the locking stability of the left rotating buckle plate 11 and the right rotating buckle plate 12 is prevented from being influenced, and the structure is reliable; when the quick connection jig needs to be taken out, the fixing sleeve 15 is moved away from the left rotating support 13 and the hinged joint of the right rotating support 14 can rotate the left rotating buckle plate 11 and the right rotating buckle plate 12, so that the left rotating buckle plate 11 and the right rotating buckle plate 12 are separated from the buckling locking pair, unlocking is achieved, and the quick connection jig is convenient and quick to use.

In the present embodiment, the outer wall of the left rotating buckle plate 11 and the outer wall of the right rotating buckle plate 12 are respectively provided with a left buckle block 16 and a right buckle block 17. Specifically, the left buckling block 16 and the right buckling block 17 are buckled into buckling grooves at the left end and the right end of the frequency converter respectively, so that the locking assembly 6 is buckled, the locking assembly 6 is fixed, and further the quick connection jig is fixed, and the use is convenient; when the buckling state needs to be relieved, the fixed sleeve 15 only needs to be moved away from the hinged joint of the left rotating support 13 and the right rotating support 14, so that the left rotating buckle plate 11 and the right rotating buckle plate 12 can be rotated, the unlocking is realized, and the use is convenient.

The quick connection jig for the frequency converter further comprises a plurality of auxiliary quick connection assemblies 18, each auxiliary quick connection assembly 18 further comprises an auxiliary cover body 19 and a plurality of auxiliary power terminals 20 movably mounted on the auxiliary cover body 19, an auxiliary contact finger spring 21 is mounted at the lower end of each auxiliary power terminal 20, an auxiliary pressure wire terminal 22 is connected to the top end of each auxiliary power terminal 20, an auxiliary reset elastic piece 23 is sleeved on the periphery of each auxiliary power terminal 20, and two ends of each auxiliary reset elastic piece 23 are respectively connected with the auxiliary cover body 19 and the auxiliary power terminals 20; the main lid 1 is connected to the sub lid 19. Specifically, the auxiliary quick connection assembly 18 is another extending quick connection structure of the main cover 1, and quick connection structures of different structures can be adapted and arranged according to interface end structures of different frequency converters; preferably, the main cover body 1 is detachably connected with the auxiliary cover body 19; the main cover body 1 and the auxiliary cover body 19 are pressed at the interface end of the frequency converter, the main power terminal 2 and the auxiliary power terminal 20 are inserted into corresponding interfaces, and the main contact finger spring 3 and the auxiliary contact finger spring 21 are respectively abutted with the connecting terminal at the interface end to realize electric connection; wherein, main line ball terminal 4 and vice line ball terminal 22 all can be directly be connected with the cable, the main degree of difficulty of pegging graft when reseing elastic component 5 and main finger spring 3 for main power terminal 2 reduction connection, vice elastic component 23 that resets and vice finger spring 21 of touching are the degree of difficulty of pegging graft when vice power terminal 20 reduction connection, high durability and convenient use, and main elastic component 5 that resets, main finger spring 3 that touches, vice elastic component 23 that resets and vice finger spring 21 improve main power terminal 2 down, stability when vice power terminal 20 is connected with the connecting terminal of interface end, the structure is reliable, design benefit.

In this embodiment, the sub-cover 19 is made of an epoxy plate.

The quick connection tool that a converter was used, quick connection tool that converter was used still includes a plurality of connecting blocks 24, main lid 1 with vice lid 19 can dismantle respectively connect in the both ends of connecting block 24. Specifically, both ends of the connecting block 24 can be detachably connected with the main cover body 1 and the auxiliary cover body 19 respectively through screws and bolts, so that the assembly and disassembly are convenient; of course, the main cover body 1 and the sub cover body 19 may be integrally formed by the connecting block 24, and are not particularly limited and may be provided as needed; further, if other vice quick coupling assembling 18 of vice lid 19 further connection if need, when vice quick coupling assembling 18 was provided with the multiunit promptly, adjacent two sets of vice quick coupling assembling 18 all can realize a body coupling or can dismantle the connection through connecting block 24, uses in a flexible way, designs according to the converter port.

In the quick connection jig for the frequency converter according to this embodiment, the auxiliary cover 19 is provided with a plurality of second through holes 25, the upper end of the auxiliary power terminal 20 is connected to an auxiliary connection nut 26 after passing through the second through holes 25, and the auxiliary line pressure terminal 22 is located between the auxiliary connection nut 26 and the auxiliary cover 19; specifically, the secondary connection nut 26 is provided to lock the secondary power terminal 20 and the secondary pressure wire terminal 22 to the secondary cover 19 at the same time, and the structure is reliable and the connection is stable.

A second guide sleeve 27 is sleeved in the second through hole 25, and the upper end of the auxiliary power terminal 20 penetrates through the second guide sleeve 27; specifically, the above arrangement makes it possible to make the sub power terminal 20 stable at the time of movement, less likely to shift, and reduce friction with the sub cover 19.

The plurality of auxiliary power terminals 20 are arranged in a row at equal intervals, and the structure is neat and reliable.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a quick connect tool that converter was used which characterized in that: the main reset spring type touch screen comprises a main cover body (1) and a plurality of main power terminals (2) movably arranged on the main cover body (1), wherein the lower end of each main power terminal (2) is provided with a main touch finger spring (3), the top ends of the main power terminals (2) are connected with main line pressing terminals (4), main reset elastic pieces (5) are sleeved on the peripheries of the main power terminals (2), and two ends of each main reset elastic piece (5) are respectively connected with the main cover body (1) and the corresponding main power terminal (2); the main cover body (1) is also provided with a locking assembly (6) used for locking with the frequency converter.

2. The quick connection jig for the frequency converter according to claim 1, characterized in that: the main cover body (1) is provided with a plurality of first through holes (7), the upper end of the main power terminal (2) penetrates through the first through holes (7) and then is connected with a main connecting nut (8), and the main line pressing terminal (4) is located between the main connecting nut (8) and the main cover body (1).

3. The quick connection jig for the frequency converter according to claim 2, characterized in that: the main cover body (1) is provided with a plurality of mounting grooves (9), the mounting grooves (9) correspond to the wire pressing terminals one by one, and the wire pressing terminals are mounted in the mounting grooves (9).

4. The quick connection jig for the frequency converter according to claim 2, characterized in that: the first through hole (7) is internally sleeved with a first guide sleeve (10), and the upper end of the main power terminal (2) penetrates through the first guide sleeve (10).

5. The quick connection jig for the frequency converter according to claim 1, characterized in that: the main power terminals (2) are arranged in a row at equal intervals.

6. The quick connection jig for the frequency converter according to claim 1, characterized in that: locking Assembly (6) including the levogyration buckle (11), the right turn buckle (12), left rotation support (13), right runing rest (14) and fixed cover (15), the one end of levogyration buckle (11) is articulated with the one end of main lid (1), the other end of levogyration buckle (11) is articulated with the one end of left runing rest (13), the one end that the right turn buckles (12) was rotated is articulated with the other end of main lid (1), the other end of left runing rest (13) with the one end of right runing rest (14) is articulated, the right turn is rotated the other end of buckle (12) and the other end of right runing rest (14) and is articulated, fixed cover (15) is established left runing rest (13) with the articulated junction of right runing rest (14).

7. The quick connection jig for the frequency converter according to claim 6, characterized in that: the outer wall of the left rotating buckle plate (11) and the outer wall of the right rotating buckle plate (12) are respectively provided with a left buckle block (16) and a right buckle block (17).

8. The quick connection jig for the frequency converter according to claim 1, characterized in that: the quick connection jig for the frequency converter further comprises a plurality of auxiliary quick connection assemblies (18), each auxiliary quick connection assembly (18) further comprises an auxiliary cover body (19) and a plurality of auxiliary power terminals (20) movably arranged on the auxiliary cover body (19), an auxiliary contact finger spring (21) is arranged at the lower end of each auxiliary power terminal (20), the top end of each auxiliary power terminal (20) is connected with an auxiliary wire pressing terminal (22), an auxiliary reset elastic piece (23) is sleeved on the periphery of each auxiliary power terminal (20), and two ends of each auxiliary reset elastic piece (23) are respectively connected with the auxiliary cover body (19) and the corresponding auxiliary power terminal (20); the main cover body (1) is connected with the auxiliary cover body (19).

9. The quick connection jig for the frequency converter according to claim 8, characterized in that: the quick connection jig for the frequency converter further comprises a plurality of connecting blocks (24), and the main cover body (1) and the auxiliary cover body (19) are detachably connected to two ends of the connecting blocks (24) respectively.

10. The quick connection jig for the frequency converter according to claim 8, characterized in that: the auxiliary cover body (19) is provided with a plurality of second through holes (25), the upper end of the auxiliary power terminal (20) penetrates through the second through holes (25) and then is connected with an auxiliary connecting nut (26), and the auxiliary wire pressing terminal (22) is located between the auxiliary connecting nut (26) and the auxiliary cover body (19);

a second guide sleeve (27) is sleeved in the second through hole (25), and the upper end of the auxiliary power terminal (20) penetrates through the second guide sleeve (27);

the plurality of auxiliary power terminals (20) are arranged in a row at equal intervals.