TW201944872A - Convertor - Google Patents

Abstract

A convertor is provided. The convertor includes a housing, a slot, a cover, a connection arm and a shaft. The housing includes an inner wall. The slot is disposed at the inner wall. The connection arm is connected to the cover. The shaft is disposed at the connection arm. The shaft is rotatably connected to the slot, and is adapted to slide in the slot.

Description

Inverter

Embodiments of the present invention relate to an inverter, and more particularly, to an inverter having a casing and a cover that can be opened.

Conventional inverters generally have a casing and a cover. A display board or a control board is provided on the cover. A main board and electronic components are arranged in the housing, and the display board and the main board are directly connected by a connection line. Since the conventional cover body is generally connected to the housing with a screw lock, when the maintenance personnel removes the cover body, it is easy to pull the connection line and cause the connection line to be damaged, which causes trouble during maintenance work.

The conventional inverter also has a waterproof housing design. The housing needs to be locked with an additional connection plate. A waterproof gasket must be installed between the connection plate and the housing, and the waterproof connector for the outgoing line needs to be transferred through the nut. Can be fixed to the connection plate. The overall structure design is complex, time-consuming and costly to assemble.

An embodiment of the present invention is to provide a frequency converter for solving the problems of the conventional technology, which includes a casing, a chute, a cover, a connecting arm, and a pivot. The casing includes an inner wall of the casing. The chute is disposed on the inner wall of the casing. The connecting arm is connected to the cover. The pivot is provided on the connecting arm, wherein the pivot is rotatably connected to the sliding slot and is suitable for sliding in the sliding slot.

In an embodiment, when the cover is in a closed position relative to the housing, the pivot is located at a first pivot position in the chute, and when the cover is in an open position relative to the housing , The pivot is located at a second pivot position in the chute.

In one embodiment, the sliding groove is completely inside the casing.

In one embodiment, the pivot is integrally formed with the connecting arm.

In an embodiment, the pivot shaft includes a shaft rib, the slide groove includes a slide groove limit portion, and when the cover is in the opened position relative to the housing, the pivot shaft is located at the first position in the slide groove. In two pivot positions, the sliding slot stop is adapted to abut the shaft rib and restrict the movement of the cover.

In an embodiment, the connecting arm includes a connecting arm projection, the sliding groove includes a sliding groove abutting portion, and the cover body is rotated from the closed position to the opened position with respect to the housing. The connecting arm bump first abuts the sliding groove abutting portion and then separates from the sliding groove abutting portion.

In one embodiment, the chute includes a chute retaining wall, a first chute sidewall, a second chute sidewall, and a chute bottom wall. The chute retaining wall is connected to the first chute sidewall, the The side wall of the second chute and the bottom wall of the chute. When the pivot is disposed in the chute, the chute retaining wall is adapted to restrict the pivot to prevent the pivot from sliding out of the chute.

In one embodiment, the slide groove further includes a guide portion provided on the slide groove wall and perpendicular to the slide groove wall. The guide portion has a guide slope, and the guide slope guides the assembly during assembly. The pivot slides into the chute.

In an embodiment, the connecting arm includes a first segment portion and a second segment portion. The first segment portion is connected to the second segment portion. A first extension direction of one of the first segment portions is different from the second extension portion. A second extending direction of one of the segment parts, and the pivot is disposed on the second segment part.

In an embodiment, the connecting arm further includes a guide curved surface provided on the first section, and the guide rotates from the open position to the closed position with respect to the housing in the process of the cover body being rotated. The curved surface abuts the shell.

In one embodiment, the frequency converter further includes an interface board, a main board and a connection line. The main board is disposed in the housing, the interface board is fixed to the cover, and the interface board is coupled through the connection line. The motherboard.

In an embodiment, the housing further includes a connecting plate integrally formed on the housing. The connecting plate is formed with a plurality of connection holes, and each of the connection holes has a connection hole thread therein.

In one embodiment, the frequency converter further includes at least one waterproof joint. The surface of the waterproof joint has a waterproof joint thread, and the waterproof joint thread is directly screwed with the thread of the connection hole.

In one embodiment, a plurality of raised ribs may be formed on the connecting plate, and the connecting hole threads may be formed between every two of the raised ribs.

In the embodiment of the present invention, since the cover body is rotated from the closed position to the opened position with respect to the housing, the connecting arm projection first abuts the sliding groove abutting portion and finally contacts the sliding groove. The joint is separated. This provides a sense of paragraph when the user rotates to remind the user that the cover is about to be rotated to a predetermined position. Therefore, the user can avoid the situation where the user rotates the cover excessively and the connection line is pulled and damaged.

To apply the frequency converter according to the embodiment of the present invention, the connecting plate is integrally formed in the housing. The connecting plate is formed with a plurality of connection holes, and each connection hole has a connection hole thread therein. Therefore, when assembling the waterproof joint, it only needs to be directly locked by the outside without additional internal nuts. Not only simplify the assembly process, but also improve the reliability of waterproofing. In addition, because convex ribs can be formed on the connecting plate, the connecting hole threads can be formed between the convex ribs, thereby increasing the number of teeth of the connecting hole threads, increasing the structural strength and the reliability of screwing.

FIG. 1 is a perspective view showing an inverter C according to an embodiment of the present invention. FIG. 2A is an assembly drawing showing a detailed structure of the inverter C according to the embodiment of the present invention. Figures 3A, 3B, and 3C are detailed structural cross-sectional views of the pivot shaft 5 and the chute 2 of the inverter C according to the embodiment of the present invention. Among them, different illustrations are made according to the pivot shaft 5 being located in different directions. With reference to FIGS. 1, 2A, 3A, 3B, and 3C, the frequency converter C according to the embodiment of the present invention includes a housing 1, a chute 2, a cover 3, at least one connecting arm 4, and a pivot 5. The casing 1 includes an inner wall 11 of the casing. The chute 2 is provided on the inner wall 11 of the casing. The connecting arm 4 is connected to the cover body 3. A pivot shaft 5 is provided on the connecting arm 4, wherein the pivot shaft 5 is rotatably connected to the sliding groove 2 and is adapted to slide in the sliding groove 2. Among them, the casing 1 and the cover 3 can define a main body range of the inverter C, and electronic components can be accommodated in the main body area as shown in the figure.

Referring to FIG. 3A, in an embodiment, when the cover 3 is in a closed position relative to the housing 1, the pivot 5 is located at a first pivot position in the chute 2. At this time, the cover is 3 approximately fits the case 1. Referring to FIG. 3C, when the cover 3 is in an open position relative to the housing 1, the pivot 5 is located at a second pivot position in the chute 2. At this time, the cover 3 and the housing 1 has an angle.

With reference to FIGS. 1 and 2A, in this embodiment, the sliding groove 2 is completely located in the housing 1.

Referring to FIG. 2B, FIG. 2B is an exploded view showing a detailed structure of the inverter C according to the embodiment of the present invention. In one embodiment, the pivot shaft 5 can be integrally formed with the connecting arm 4.

Referring to FIGS. 3A, 3B, and 3C, in an embodiment, the pivot shaft 5 includes a shaft rib 51, the slide groove 2 includes a slide groove limit portion 211, and a first slide groove side wall 212, and the slide groove limit The portion 211 is formed on the first chute sidewall 212. When the cover 3 is in the closed orientation with respect to the housing 1, the pivot 5 is located at the first pivot position in the slide groove 2 (as shown in FIG. 3A). As the cover 3 is being opened, the pivot 5 moves continuously toward the second pivot position in the slide slot 2 and passes through the slide slot limit portion 211 (as shown in FIG. 3B). . Finally, when the cover 3 is in the opened position with respect to the housing 1 (as shown in FIG. 3C), the pivot 5 is located at the second pivot position in the chute 2. At this time, the pivot rib The position of 51 corresponds to the chute limit portion 211. The chute limit portion 211 is adapted to abut the shaft rib 51 and restrict the continuous movement or rotation of the cover 3. As shown in FIG. 3B, through the design of the chute limit portion 211 and the shaft rib 51, the cover body 3 can be prevented from rapidly rotating or moving due to unexpected external force, achieving a protection effect and providing a flip cover by hand Sense of paragraph.

Referring to FIGS. 4A, 4B, and 4C, the detailed structure of the connecting arm bump according to the embodiment of the present invention is shown. Among them, the connecting arm bump 43 is shown in different directions according to different positions. In one embodiment, the connecting arm 4 includes a connecting arm protrusion 43, the sliding groove 2 includes a sliding groove abutting portion 221, and the sliding groove abutting portion 221 is formed at one end of the first sliding groove side wall 212 ( 4A and 4B). During the rotation of the cover 3 from the closed position (FIG. 4A) to the opened position (FIG. 4C) with respect to the housing 1, the connecting arm projection 43 abuts the sliding groove abutting portion 221 first. , And finally separated from the chute contact portion 221 (FIG. 4B). This provides the user with a sense of paragraph when flipped by hand, to remind the user that the cover 3 is to be rotated to a predetermined position, which requires restraint and force to achieve a protective effect. In this embodiment, the connecting arm projection 43 includes a convex inclined surface 431, and the convex inclined surface 431 assists the connecting arm projection 43 to smoothly pass through the sliding groove abutment portion 221 during the rotation of the connecting arm 4.

Referring to FIGS. 4A, 4B, and 4C, when the cover 3 is in the closed position (FIG. 4A) with respect to the housing 1, the side wall 212 of the first chute is located between the connecting arm projection 43 and the pivot 5. between. When the cover 3 is in the opened position (FIG. 4C) with respect to the housing 1, the connecting arm projection 43 is located on the first chute sidewall 212 of the chute 2 and one of the second chute 2 Between the chute sidewalls 213.

Referring to FIGS. 2A, 2B, and 4C, in one embodiment, in addition to the first chute sidewall 212 and the second chute sidewall 213, the chute 2 further includes a chute retaining wall 231 and a chute bottom. Wall 214. The chute retaining wall 231 is connected to the first chute side wall 212, the second chute side wall 213, and the chute bottom wall 214, so as to roughly define the space of the chute 2, and when the pivot 5 is provided at When in the chute 2, the chute retaining wall 231 is adapted to restrict the pivot 5 to prevent the pivot 5 from sliding out of the chute 2.

Referring to FIGS. 2A and 2B, in an embodiment, the slide groove 2 further includes a guide portion 232, and the guide portion 232 is disposed on the slide groove retaining wall 231. In one embodiment, the guide portion 232 is perpendicular to the surface of the chute retaining wall 231, and the guide portion 232 has a guide slope 233. Through the design of the guide portion 232, when the connecting arm 4 wants to connect to the chute 2, the pivot shaft 5 can be smoothly locked into the chute 2 through the guide of the guide slope 233 of the guide 232 during assembly. . In one embodiment, the guide portion 232 is connected to the bottom wall 214 of the chute, whereby the guide portion 232 improves the supporting capacity of the chute stop wall 231 and prevents the chute stop wall 231 from being affected by the pivot 5 Crashed.

2A and 2B, in an embodiment, the connecting arm 4 includes a first segment portion 41 and a second segment portion 42, the first segment portion 41 is connected to the second segment portion 42, the first segment A first extending direction of one of the portions 41 is different from a second extending direction of one of the second segment portions 42. The pivot axis 5 is provided on the second segment portion 42. The design in which the first segment portion 41 and the second segment portion 42 of the connecting arm 4 are connected with each other and extend in different directions provides elasticity to the connecting arm 4 to prevent the connecting arm 4 from being broken due to excessive external force.

Referring to FIGS. 2A and 2B, in an embodiment, the connecting arm 4 further includes a guide curved surface 44 provided on the first section 41. The cover 3 is lifted from the housing 1 relative to the housing 1. During the rotation from the open position to the closed position, the guide curved surface 44 abuts the housing 1. The curved surface design of the guide curved surface 44 allows the cover body 3 to smoothly rotate from the opened position to the closed position, thereby the user can complete the closing or opening operation with one hand.

Referring to FIG. 1, in an embodiment, the inverter C further includes an interface board 61, a main board 62, and a connecting wire 63. The main board 62 is disposed in the housing 1, and the interface board 61 is fixed to the The cover 3, the interface board 61 is coupled to the main board 62 through the connecting wire 63. In the embodiment of the present invention, the interface board is used for human-computer communication, such as but not limited to a display board, a control board, or other panels. In the embodiment of the present invention, since the cover 3 is rotated relative to the housing 1 from the closed position (FIG. 4A) to the opened position (FIG. 4C), the connecting arm bumps 43 first contact. The chute contact portion 221 is then separated from the chute contact portion 221 (FIG. 4B). Thereby, to provide the user with a sense of paragraph, to remind the user that the cover 3 is to be rotated to a predetermined position. Therefore, the user can avoid the situation in which the cover body 3 is excessively rotated and the connection wire 63 is pulled and damaged. It should be noted that other electronic components should be configured inside the inverter C for normal operation. However, the configuration of these electronic components is not a technical problem to be solved by the present invention, so it is not described in detail.

Reference is made to Figures 1 and 5A, where Figure 5A shows a connecting plate according to an embodiment of the present invention. In an embodiment, the housing 1 further includes a connecting plate 12. The connecting plate 12 can be integrally formed in the housing 1. The connecting plate 12 is formed with a plurality of connecting holes 121. Each connecting hole 121 has A connection hole thread 122.

Referring to FIGS. 5B and 5C, FIG. 5B is a schematic diagram showing a situation where the waterproof joint of the embodiment of the present invention is fixed to the connecting plate, and FIG. 5C is a cross-sectional view showing the connecting plate of the embodiment of the present invention. In an embodiment, the frequency converter C further includes at least one waterproof joint 13. The waterproof joint 13 has a waterproof joint thread 131 on the surface, and the waterproof joint thread 131 is directly screwed into the connection hole thread 122.

Referring to FIGS. 1, 5A, 5B, and 5C, the inverter C according to the embodiment of the present invention is applied. The connection plate 12 is integrally formed in the housing 1. The connection plate 12 is formed with a plurality of connection holes 121. Each connection hole 121 has a connecting hole thread 122 therein. Therefore, when assembling the waterproof joint 13, it is only necessary to directly lock it from the outside without additional internal nuts. Not only simplifies the assembly process, but also reduces leakage points by reducing components, so the reliability of waterproofing is improved. Referring to FIG. 5C, in an embodiment, the connecting plate 12 may be formed with a plurality of ribs 123, and the connection hole thread 122 may be formed at an inner edge between each two of the ribs 123, thereby increasing the number of ribs 123. The number of teeth of the connection hole thread 122 increases the structural strength and screwing reliability.

Although the present invention has been disclosed as above with specific preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can still make some changes and decorations without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the scope of the appended patent application.

C‧‧‧Inverter

1‧‧‧shell

11‧‧‧inner wall

12‧‧‧ connecting board

121‧‧‧ Connection hole

122‧‧‧ Connection hole thread

123‧‧‧ raised rib

13‧‧‧Waterproof connector

131‧‧‧ Waterproof connector thread

2‧‧‧chute

211‧‧‧Slot limiter

212‧‧‧The first chute sidewall

213‧‧‧Second chute sidewall

214‧‧‧Slot bottom wall

221‧‧‧The first chute abutment part

231‧‧‧Slotted retaining wall

232‧‧‧Guide

233‧‧‧Guide bevel

3‧‧‧ cover

4‧‧‧ connecting arm

41‧‧‧First Section

42‧‧‧Second Section

43‧‧‧ connecting arm bump

431‧‧‧ bump slope

44‧‧‧Guide Surface

5‧‧‧ Pivot

51‧‧‧ shaft rib

61‧‧‧Interface board

62‧‧‧ Motherboard

63‧‧‧connecting line

FIG. 1 is a perspective view showing an inverter according to an embodiment of the present invention. Fig. 2A is an assembly detailed view showing a detailed structure of an inverter according to an embodiment of the present invention. FIG. 2B is an exploded view showing a detailed structure of the inverter according to the embodiment of the present invention. FIG. 3A is a cross-sectional view showing a detailed structure of a pivot and a chute according to an embodiment of the present invention, wherein the cover body is in a closed orientation with respect to the housing. FIG. 3B is a cross-sectional view showing a detailed structure of a pivot shaft and a sliding slot according to an embodiment of the present invention, wherein the pivot shaft moves toward the second pivot position in the sliding slot. FIG. 3C is a sectional view showing a detailed structure of a pivot shaft and a chute according to an embodiment of the present invention, in which the cover body is in an open orientation with respect to the housing. FIG. 4A is a cross-sectional view showing a detailed structure of the connecting arm bump according to the embodiment of the present invention, in which the cover body is in a closed orientation with respect to the housing. FIG. 4B is a cross-sectional view showing a detailed structure of the connecting arm bump according to the embodiment of the present invention, in which the connecting arm bump abuts against the sliding groove abutting portion. FIG. 4C is a sectional view showing a detailed structure of the connecting arm bump according to the embodiment of the present invention, in which the cover body is in an open orientation with respect to the housing. FIG. 5A shows a connection board according to an embodiment of the present invention. FIG. 5B is a schematic diagram showing a situation where the waterproof joint of the embodiment of the present invention is fixed to the connecting plate. FIG. 5C is a cross-sectional view showing a connecting plate according to an embodiment of the present invention.

Claims (14)

A frequency converter includes: a housing including an inner wall of the housing; a slide groove provided on the inner wall of the housing; a cover body; a connecting arm connected to the cover body; and a pivot shaft provided on the connecting arm Wherein, the pivot is rotatably connected to the sliding slot, and is adapted to slide in the sliding slot. The inverter according to item 1 of the scope of patent application, wherein when the cover is in a closed position relative to the housing, the pivot is located at a first pivot position in the chute, and when the cover is When in an open orientation relative to the casing, the pivot is located at a second pivot position in the chute. The inverter according to item 1 of the scope of patent application, wherein the sliding groove is completely located in the casing. The inverter according to item 1 of the scope of patent application, wherein the pivot shaft is integrally formed with the connecting arm. The inverter according to item 2 of the scope of patent application, wherein the pivot includes a shaft rib, the slide groove includes a slide groove limit portion, and when the cover is in the opened position relative to the housing, the pivot The shaft is located at the second pivot position in the slide groove, and the slide groove limiting portion is adapted to abut the shaft rib and restrict the movement of the cover. The frequency converter according to item 2 of the scope of patent application, wherein the connecting arm includes a connecting arm projection, the sliding groove includes a sliding groove abutting portion, and the cover rotates from the closed position to the housing to During the opening orientation, the connecting arm bump first abuts the sliding groove abutting portion and then separates from the sliding groove abutting portion. The inverter according to item 2 of the scope of patent application, wherein the chute includes a chute retaining wall, a first chute sidewall, a second chute sidewall, and a chute bottom wall. The chute retaining wall The side wall of the first chute, the side wall of the second chute, and the bottom wall of the chute are connected. When the pivot is provided in the chute, the chute retaining wall is adapted to restrict the pivot to avoid the pivot Slide out the chute. The inverter according to item 7 of the scope of patent application, wherein the chute further includes a guide portion, the guide portion is provided on the chute barrier wall and is perpendicular to the chute barrier wall, and the guide portion has a guide slope During assembly, the guiding inclined surface guides the pivot shaft to slide into the sliding groove. The inverter according to item 2 of the scope of patent application, wherein the connecting arm includes a first section and a second section, and the first section is connected to the second section and one of the first sections The first extending direction is different from a second extending direction of one of the second segment portions, and the pivot is disposed on the second segment portion. The inverter according to item 9 of the scope of patent application, wherein the connecting arm further includes a guide curved surface provided on the first section, and the cover is rotated from the opening direction to the housing to the housing. During the closed orientation, the guide surface abuts the casing. According to the inverter described in item 1 of the scope of patent application, it further includes an interface board, a main board and a connecting wire, the main board is disposed in the housing, the interface board is fixed to the cover, and the interface board passes through The connecting line is coupled to the motherboard. The inverter according to item 1 of the scope of patent application, wherein the housing further includes a connection plate integrally formed in the housing, and the connection plate is formed with a plurality of connection holes, and each of the connection holes There is a connection hole thread inside. The inverter according to item 12 of the scope of patent application, further comprising at least one waterproof joint, the surface of the waterproof joint has a waterproof joint thread, and the waterproof joint thread is directly screwed with the thread of the connection hole. The inverter according to item 12 of the scope of patent application, wherein at least two raised ribs may be formed on the connecting plate, and the connecting hole threads may be formed between the two raised ribs.