Novel frequency converter easy to disassemble and assemble

Abstract

The utility model provides a novel frequency converter easy to disassemble and assemble, which comprises a frequency converter main body, a bottom shell and a top shell are arranged on the outer walls of the two sides of the frequency converter main body, bolt clamping assemblies are arranged on the outer walls of the four corners of the bottom shell and the top shell, and a linkage gas injection sealing assembly is arranged on the outer wall between the bottom shell and the top shell. The plug pin clamping assembly comprises step grooves distributed in the outer walls of the four corners of the top of the top shell. According to the arrangement of the bolt clamping assembly, in the splicing process of a bottom shell and a top shell of the frequency converter, an insertion cylinder on the top shell is aligned and inserted into an insertion ring at the bottom of the bottom shell, a handle is pressed to drive a bolt rod to move downwards through a pull rod and a piston, the bolt rod is inserted into an insertion hole, the piston compresses a spring in the process, and then the handle is rotated to drive the bolt rod to rotate; the clamping block at the end of the bolt rod is rotated to the position below the clamping groove, the handle is released, the piston and the bolt rod are driven to reset and move upwards under the action of the spring, the clamping block is clamped into the clamping groove, and fixing of splicing of the bottom shell and the top shell is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converters, in particular to a novel easily disassembled frequency converter. Background Art

[0002] The inverter is an electric energy control device that uses the on-off function of power semiconductor devices to convert industrial frequency power into electric energy of another frequency. By applying frequency conversion technology and microelectronics technology, the inverter can convert AC power with fixed voltage and frequency into AC power with variable voltage and frequency. It is mainly composed of rectification, filtering, inversion, braking unit, drive unit, monitoring unit, microprocessor unit, etc. The main applications of the frequency converter include metallurgy and mining, building materials, large industrial rotary kilns, compressors, rolling mills, winches, converters, roller tables and other fields. Patent: CN 207896857 U discloses a new frequency converter, including a frequency converter housing, an upper cover and relevant electronic components installed in the frequency converter housing. An operation panel is provided on the surface of the upper cover, and T-shaped slots are symmetrically provided on both side surfaces of the frequency converter housing. A limit platform is provided at one end of the T-shaped slot, and the other end of the T-shaped slot is a slot entrance of the T-shaped slot. T-shaped blocks matched with the T-shaped slot are provided on both sides of the upper cover, and fixings are provided at the slot entrance.

[0003] However, the structure of the inverter on the market is relatively simple, and the inverter shell cannot be assembled and disassembled by pressing and rotating the handle. The traditional inverter cannot be easily disassembled and assembled, and the traditional inverter assembly structure cannot ensure good dust and water resistance. Therefore, we make improvements on this and propose a new type of easy-to-disassemble inverter. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the existing inverter cannot be assembled and disassembled by pressing and rotating the handle, the disassembly and assembly cannot be convenient, and the traditional inverter assembly structure cannot ensure good dust and water resistance.

[0005] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0006] A new type of easily disassembled inverter is provided to improve the above problems.

[0007] The specific application is as follows:

[0008] It comprises a frequency converter body, wherein a bottom shell and a top shell are arranged on the outer walls on both sides of the frequency converter body, latch clamping components are arranged on the outer walls at four corners of the bottom shell and the top shell, and a linkage gas injection sealing component is arranged on the outer wall between the bottom shell and the top shell.

[0009] As a preferred technical solution of the present application, the latch clamping assembly includes step grooves distributed on the outer walls at the four corners of the top shell, an insert sleeve is embedded and fixed on the bottom inner wall of the step groove, a piston is arranged inside the insert sleeve, a pull rod is fixed on the top outer wall of the piston, and a handle is fixed on one end of the pull rod passing through the outside of the insert sleeve, a latch rod is fixed on the bottom outer wall of the piston, and a clamping block is fixed on the outer wall of the latch rod passing through one end of the insert sleeve, a spring is mounted on the outer wall of the latch rod below the piston, a plug-in ring is fixed on the inner walls at the four corners of the bottom of the bottom shell, a socket is opened on the bottom inner wall of the plug-in ring, a socket is opened on the inner wall on one side of the socket, and a clamping groove is opened on the bottom inner wall on the other side of the socket.

[0010] As a preferred technical solution of the present application, the linked air injection sealing assembly includes a set outer groove opened on the top outer wall of the bottom shell, an airbag sealing ring is set on the bottom inner wall of the set outer groove, and a set inner groove is opened on the bottom inner wall of the top shell. The outer walls on both sides of the top of the insert tube are respectively connected with an intake pipe and a pump air pipe, and one-way valves are installed at the ends of the intake pipe and the pump air pipe. The ends of the intake pipe and the pump air pipe are connected with conical sealing rings, and the bottom inner wall of the bottom shell on both sides of the plug-in ring is distributed and connected with external tubes and air supply pipes, and conical grooves are opened on the inner walls of the ends of the external tube and the air supply pipe, and one end of the air supply pipe is connected with the end of the airbag sealing ring.

[0011] As a preferred technical solution of the present application, a support frame is symmetrically fixed on the inner wall of the bottom of the bottom shell, a transverse groove is opened on the top outer wall of the support frame, a mounting frame is symmetrically arranged above the support frame, connecting screws are fixed on the outer walls at both ends of the bottom of the mounting frame, one end of the connecting screw passes through the outside of the transverse groove and is threadedly connected with a locking nut, and a mounting groove is opened on the top outer wall of the mounting frame.

[0012] As a preferred technical solution of the present application, a prying protrusion is fixed on the top outer wall of the handle.

[0013] As a preferred technical solution of the present application, the conical sealing ring and the conical groove are matching components, and the conical sealing ring is inserted into the interior of the conical groove.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the scheme of this application:

[0016] 1. Through the setting of the latch assembly, during the assembly of the inverter bottom shell and the top shell, the plug sleeve on the top shell is aligned and inserted into the plug ring at the bottom of the bottom shell, so that the card block is aligned with the socket on one side of the socket, and the handle is pressed to drive the latch rod to move downward through the pull rod and the piston, so that the latch rod is inserted into the socket. During the process, the piston compresses the spring, and then the handle is rotated to drive the latch rod to rotate, so that the card block at the end of the latch rod rotates to the bottom of the slot, and the handle is released. Under the action of the spring, the piston and the latch rod are driven to reset and move upward, so that the card block is engaged with the inside of the slot, and the bottom shell and the top shell are fixed. Later, pressing and rotating the handle can not only release the engagement of the card block and the slot, but also facilitate the disassembly and separation of the bottom shell and the top shell. This structure facilitates the disassembly and assembly of the inverter;

[0017] 2. Through the setting of the linkage air injection sealing component, the bottom shell and the top shell are assembled, and the insert tube is inserted into the plug-in ring, the conical sealing rings at the bottom of the suction pipe and the pump air pipe are aligned and inserted into the conical grooves on the top of the external pipe and the air supply pipe. The handle is pressed back and forth, and the piston is driven to move back and forth in the insert tube under the action of the spring. The external air is sucked through the suction pipe and the external pipe under the centrifugal action, and the sucked air is pumped out through the pump air pipe and the air supply pipe, so that the compressed air is input into the inside of the airbag sealing ring through the air supply pipe. The airbag sealing ring is inflated and expands to seal the assembly of the bottom shell and the top shell, so that the inverter has good dust and water resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the overall structure of the new easily disassembled inverter provided in this application;

[0019] Figure 2 A three-dimensional cross-sectional structural diagram of a novel easily disassembled inverter provided in the present application;

[0020] Figure 3 This is an enlarged structural diagram of area A in the new easily disassembled inverter provided in this application;

[0021] Figure 4 This is an enlarged structural diagram of area B in the new easily disassembled inverter provided in this application;

[0022] Figure 5 This is an enlarged structural diagram of the C area in the new easily disassembled inverter provided in this application;

[0023] Figure 6 This is an enlarged structural diagram of the D area in the new easily disassembled inverter provided in this application.

[0024] Indicated in the figure:

[0025] 1. Inverter body; 2. Bottom shell; 3. Top shell; 4. Latch card assembly; 5. Linkage gas injection seal assembly; 6. Support frame; 7. Horizontal groove; 8. Mounting frame; 9. Connecting screw; 10. Locking nut; 11. Mounting groove; 12. Prying block;

[0026] 401, step groove; 402, insert cylinder; 403, piston; 404, spring; 405, pull rod; 406, handle; 407, latch rod; 408, clamp block; 409, plug ring; 410, jack; 411, socket; 412, slot;

[0027] 501, suit outer groove; 502, suit inner groove; 503, airbag sealing ring; 504, suction pipe; 505, pump air pipe; 506, one-way valve; 507, conical sealing ring; 508, external pipe; 509, air delivery pipe; 510, conical groove. DETAILED DESCRIPTION

[0028] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0029] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0032] In the description of the present utility model, it should be noted that the terms "upper", "lower", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do 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 therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0033] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 This embodiment proposes a new type of easily disassembled inverter, including an inverter body 1, a bottom shell 2 and a top shell 3 are arranged on the outer walls on both sides of the inverter body 1, a latch card assembly 4 is arranged on the outer walls of the four corners of the bottom shell 2 and the top shell 3, and a linkage gas injection sealing assembly 5 is arranged on the outer wall between the bottom shell 2 and the top shell 3.

[0034] As a preferred embodiment, on the basis of the above method, further, the latch assembly 4 includes step grooves 401 distributed on the outer walls of the four corners of the top of the top shell 3, an insert cylinder 402 is embedded and fixed on the bottom inner wall of the step groove 401, a piston 403 is arranged inside the insert cylinder 402, a pull rod 405 is fixed on the top outer wall of the piston 403, and a handle 406 is fixed on one end of the pull rod 405 that passes through the outside of the insert cylinder 402, and a latch rod 407 is fixed on the bottom outer wall of the piston 403, and The latch rod 407 passes through the outer wall of one end of the plug cylinder 402 and is fixed with a block 408. The latch rod 407 is located on the outer wall below the piston 403 and is sleeved with a spring 404. The inner walls of the four corners of the bottom of the bottom shell 2 are fixed with plug rings 409. The bottom inner wall of the plug ring 409 is provided with a plug hole 410. A socket 411 is provided on the inner wall on one side of the plug hole 410. A card slot 412 is provided on the bottom inner wall on the other side of the plug hole 410. During the assembly process of the bottom shell 2 and the top shell 3 of the inverter, the plug on the top shell 3 is The cylinder 402 is aligned and inserted into the plug ring 409 at the bottom of the bottom shell 2. During the process, the pull rod 405, the piston 403 and the latch rod 407 are rotated by the handle 406 to make the block 408 at the bottom of the latch rod 407 aligned with the socket 411 on one side of the socket 410. The handle 406 is pressed to drive the latch rod 407 to move downward through the pull rod 405 and the piston 403, so that the latch rod 407 is inserted into the socket 410. During the process, the piston 403 compresses the spring 404, and then the handle 406 is rotated to drive the latch rod 407 to move downward. 07 is rotated to rotate the block 408 at the end of the latch rod 407 to the bottom of the slot 412, and the handle 406 is released. Under the action of the spring 404, the piston 403 and the latch rod 407 are driven to reset and move upward, so that the block 408 is engaged with the inside of the slot 412, thereby realizing the fixation of the assembly of the bottom shell 2 and the top shell 3. Later, pressing and rotating the handle 406 can not only release the engagement between the block 408 and the slot 412, but also facilitate the disassembly and separation of the bottom shell 2 and the top shell 3. This structure facilitates the disassembly and assembly of the inverter.

[0035] As a preferred embodiment, on the basis of the above-mentioned method, further, the linked air injection sealing component 5 includes a set outer groove 501 opened on the top outer wall of the bottom shell 2, and the bottom inner wall of the set outer groove 501 is set with an airbag sealing ring 503, and the bottom inner wall of the top shell 3 is provided with a set inner groove 502, and the outer walls on both sides of the top of the insert cylinder 402 are respectively connected with an intake pipe 504 and a pump air pipe 505, and the ends of the intake pipe 504 and the pump air pipe 505 are respectively installed with a one-way valve 506, and the ends of the intake pipe 504 and the pump air pipe 505 are connected with a conical sealing ring 507, and the bottom inner wall of the bottom shell 2 on both sides of the plug-in ring 409 is distributed and connected with an external pipe 508 and an air supply pipe 509, and the inner walls of the ends of the external pipe 508 and the air supply pipe 509 are provided with a conical groove 510, and one end of the air supply pipe 509 is connected with the end of the airbag sealing ring 503. When the top shell 3 is assembled and the insert tube 402 is plugged into the plug ring 409, the conical sealing ring 507 at the bottom of the suction pipe 504 and the pump air pipe 505 is aligned and plugged into the conical groove 510 at the top of the external pipe 508 and the air supply pipe 509, so as to realize the connection between the suction pipe 504 and the external pipe 508 and the pump air pipe 505 and the air supply pipe 509. During the assembly process, the handle 406 is pressed back and forth, and the piston 403 is driven to move back and forth in the insert tube 402 under the action of the spring 404. Under the centrifugal action, the external air is sucked through the suction pipe 504 and the external pipe 508, and the sucked air is pumped out through the pump air pipe 505 and the air supply pipe 509, so that the compressed air is input into the interior of the airbag sealing ring 503 through the air supply pipe 509. The inflation of the airbag sealing ring 503 plays the role of sealing the assembly of the bottom shell 2 and the top shell 3, so that the inverter has good dustproof and waterproof capabilities.

[0036] As a preferred embodiment, on the basis of the above method, further, a support frame 6 is symmetrically fixed on the inner wall of the bottom of the bottom shell 2, a transverse groove 7 is opened on the top outer wall of the support frame 6, and a mounting frame 8 is symmetrically arranged above the support frame 6. Connecting screws 9 are fixed on the outer walls at both ends of the bottom of the mounting frame 8, and one end of the connecting screw 9 passes through the outside of the transverse groove 7 and is threadedly connected with a locking nut 10. A mounting groove 11 is opened through the outer wall of the top of the mounting frame 8. During the installation of the circuit components in the inverter, the mounting frame 8 is taken out and the connecting screws 9 at both ends are inserted into the transverse groove 7 on the support frame 6, and the locking nut 10 is threaded and tightened at the bottom of the connecting screw 9 to achieve the fixation of the mounting frame 8 on the support frame 6, and the circuit components are installed through the mounting groove 11 on the mounting frame 8. This structure can flexibly adjust the position of the mounting frame 8, which facilitates the installation of circuit components in the inverter.

[0037] As a preferred embodiment, on the basis of the above-mentioned manner, further, a prying protrusion 12 is fixed on the top outer wall of the handle 406 , and the prying protrusion 12 facilitates the rotation of the handle 406 .

[0038] As a preferred embodiment, on the basis of the above-mentioned method, further, the conical sealing ring 507 and the conical groove 510 are matching components, and the conical sealing ring 507 is inserted into the inside of the conical groove 510, and the conical sealing ring 507 and the conical groove 510 are connected to realize the connection between the suction pipe 504 and the external pipe 508 and the pump air pipe 505 and the air supply pipe 509.

[0039] Specifically, when the new type of easily disassembled inverter is working / in use: during the assembly process of the bottom shell 2 and the top shell 3 of the inverter, the plug sleeve 402 on the top shell 3 is aligned and inserted into the plug ring 409 at the bottom of the bottom shell 2. During the process, the handle 406 is used to rotate the pull rod 405, the piston 403 and the latch rod 407, so that the block 408 at the bottom of the latch rod 407 is aligned with the socket 411 on one side of the socket 410, and the handle 406 is pressed to drive the latch rod 407 to move downward through the pull rod 405 and the piston 403, so that The latch rod 407 is inserted into the socket 410. During the process, the piston 403 compresses the spring 404, and then the handle 406 is rotated to drive the latch rod 407 to rotate, so that the block 408 at the end of the latch rod 407 rotates to the bottom of the slot 412. The handle 406 is released, and the piston 403 and the latch rod 407 are driven to reset and move upward under the action of the spring 404, so that the block 408 is engaged with the inside of the slot 412, so that the bottom shell 2 and the top shell 3 are assembled and fixed. Later, pressing and rotating the handle 406 can both release the card block 408 and release the card block 408. The engagement of the block 408 and the slot 412 can facilitate the disassembly and separation of the bottom shell 2 and the top shell 3, and this structure facilitates the disassembly and assembly of the frequency converter; during the assembly of the bottom shell 2 and the top shell 3, the insert 402 is inserted into the insert ring 409, and the conical sealing ring 507 at the bottom of the suction pipe 504 and the pump air pipe 505 is aligned and inserted into the conical groove 510 at the top of the external pipe 508 and the air delivery pipe 509, so that the suction pipe 504 and the external pipe 508 are connected with the pump air pipe 505 and the air delivery pipe 509. The handle 406 is pressed back and forth, and the piston 403 is driven to move back and forth in the insert tube 402 under the action of the spring 404. The external air is sucked through the suction pipe 504 and the external pipe 508 under the centrifugal action, and the sucked air is pumped out through the pump air pipe 505 and the air supply pipe 509, so that the compressed air is input into the interior of the airbag sealing ring 503 through the air supply pipe 509. The airbag sealing ring 503 is inflated to seal the assembly of the bottom shell 2 and the top shell 3, so that the inverter has good dust and water resistance.

[0040] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention are included in the scope of the claims of the present invention.

Claims

1. A new type of easily disassembled inverter, characterized in that: The inverter comprises a main body (1), a bottom shell (2) and a top shell (3) are arranged on the outer walls on both sides of the main body (1), latch clamping assemblies (4) are arranged on the outer walls at four corners of the bottom shell (2) and the top shell (3), and a linkage gas injection sealing assembly (5) is arranged on the outer wall between the bottom shell (2) and the top shell (3).

2. A novel easily detachable frequency converter according to claim 1, characterized in that: The latch assembly (4) comprises step grooves (401) distributed on the outer walls of the four corners of the top of the top shell (3); an insert tube (402) is embedded and fixed on the bottom inner wall of the step groove (401); a piston (403) is arranged inside the insert tube (402); a pull rod (405) is fixed on the top outer wall of the piston (403); a handle (406) is fixed at one end of the pull rod (405) that passes through the outside of the insert tube (402); a latch rod (407) is fixed on the bottom outer wall of the piston (403); A latch rod (407) passes through the outer wall of one end of the insert cylinder (402) and is fixed with a clamping block (408); a spring (404) is sleeved on the outer wall of the latch rod (407) located below the piston (403); a plug ring (409) is fixed on the inner walls of the four corners of the bottom of the bottom shell (2); a plug hole (410) is provided on the inner wall of the bottom of the plug ring (409); a socket (411) is provided on the inner wall of one side of the plug hole (410); and a clamping groove (412) is provided on the inner wall of the bottom of the other side of the plug hole (410).

3. A novel easily detachable frequency converter according to claim 2, characterized in that: The linked air injection sealing assembly (5) comprises a set outer groove (501) provided on the top outer wall of the bottom shell (2), an airbag sealing ring (503) is provided on the bottom inner wall of the set outer groove (501), a set inner groove (502) is provided on the bottom inner wall of the top shell (3), an air intake pipe (504) and an air pump pipe (505) are respectively connected to the outer walls on both sides of the top end of the insert (402), and the ends of the air intake pipe (504) and the air pump pipe (505) are both installed A one-way valve (506) is installed. The ends of the air intake pipe (504) and the pump air pipe (505) are both connected with a conical sealing ring (507). The inner wall of the bottom of the bottom shell (2) located on both sides of the plug-in ring (409) is connected with an external pipe (508) and an air supply pipe (509). The inner walls of the ends of the external pipe (508) and the air supply pipe (509) are both provided with a conical groove (510). One end of the air supply pipe (509) is connected with the end of the airbag sealing ring (503).

4. The novel easily disassembled inverter according to claim 1 is characterized in that: A support frame (6) is symmetrically fixed on the inner wall of the bottom of the bottom shell (2); a transverse groove (7) is provided on the outer wall of the top of the support frame (6); a mounting frame (8) is symmetrically arranged above the support frame (6); connecting screws (9) are fixed on the outer walls at both ends of the bottom of the mounting frame (8); one end of the connecting screw (9) passes through the outside of the transverse groove (7) and is threadedly connected to a locking nut (10); and a mounting groove (11) is provided on the outer wall of the top of the mounting frame (8).

5. The novel easily disassembled inverter according to claim 2 is characterized in that: A prying protrusion (12) is fixed on the top outer wall of the handle (406).

6. The novel easily disassembled inverter according to claim 3 is characterized in that: The conical sealing ring (507) and the conical groove (510) are matching components, and the conical sealing ring (507) is inserted into the interior of the conical groove (510).

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