CN209994285U - Mounting structure and dc-to-ac converter casing and apron - Google Patents
Mounting structure and dc-to-ac converter casing and apron Download PDFInfo
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- CN209994285U CN209994285U CN201921093438.3U CN201921093438U CN209994285U CN 209994285 U CN209994285 U CN 209994285U CN 201921093438 U CN201921093438 U CN 201921093438U CN 209994285 U CN209994285 U CN 209994285U
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Abstract
The utility model discloses an inverter housing and mounting structure of apron, including having the open-ended casing and being used for the closing cap open-ended apron, one side of apron with the cooperation is pegged graft to the casing, the opposite side pass through threaded fastener with casing fastening connection. The number of the threaded fasteners of the mounting structure is remarkably reduced, the mounting and dismounting of the cover plate are simpler and more convenient, and the production cost of the shell and the cover plate mounting structure can be reduced due to no need of additional accessories. The utility model also discloses an inverter.
Description
Technical Field
The utility model relates to a photovoltaic product design production technical field, more specifically say, relate to an inverter housing and mounting structure and dc-to-ac converter of apron.
Background
In order to protect the internal structure and improve safety, the inverter is generally provided with a housing, and in order to facilitate installation of internal devices, a front side or a rear side of the housing is designed to be an open structure, and after the components are installed, an opening of the housing is closed by a cover plate.
Taking a photovoltaic inverter as an example, the mounting structure of the cover plate and the shell at present mainly has two modes, one mode is that the cover plate and the shell are fastened through screws; the second mode is that one side of the cover plate is connected with the shell through a hinge, and the movable end of the cover plate is locked through a buckle after the cover plate is buckled on the shell.
Only the screws are adopted for fastening, so the number of the screws required in the first mode is large, and the cover plate is quite complicated to disassemble; the hinge connection method requires an additional hinge mechanism, so the second method requires a higher installation cost of the cover plate and the housing.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a mounting structure of a casing and a cover plate of an inverter, so as to simplify the mounting structure of the casing and the cover plate and reduce the production cost.
Another object of the present invention is to provide an inverter using the above mounting structure.
In order to achieve the above object, the utility model provides a following technical scheme:
the mounting structure of the inverter shell and the cover plate comprises a shell with an opening and the cover plate used for covering the opening, wherein one side of the cover plate is in plug-in fit with the shell, and the other side of the cover plate is fixedly connected with the shell through a threaded fastener.
Preferably, one of the housing and the cover plate is provided with a jack, the other one of the housing and the cover plate is provided with an inserting plate capable of extending into the jack, and the inserting plate is matched with the jack to realize the insertion of the cover plate and the housing.
Preferably, still include L type mounting panel, a curb plate detachably of L type mounting panel install in on the casing, seted up on the other curb plate the jack, the picture peg detachably install in on the apron.
Preferably, the cover plate is inserted into the housing through at least two end insertion plates near the corner positions of the cover plate.
Preferably, the threaded fastener is a screw, a first screw hole is formed in the cover plate, and a second screw hole is formed in a position, corresponding to the first screw hole, of the shell.
Preferably, at least one of the first screw hole and the second screw hole is an internally threaded hole.
Preferably, the cover plate is further provided with at least one bayonet, the shell is provided with a locking knob, the locking knob is provided with a bayonet, and when the cover plate is covered on the shell, the locking knob is rotated and the bayonet is clamped into the bayonet, so that the cover plate is in a locking state; and after the locking knob is rotated and the bayonet is separated from the bayonet, the cover plate is in an unlocked state.
Preferably, the clamping device further comprises an L-shaped clamping hook, the L-shaped clamping hook is close to the edge of the cover plate, one side plate of the L-shaped clamping hook is installed on the inner side surface of the cover plate, a U-shaped groove is formed in the other side plate, and the U-shaped groove forms the bayonet.
Preferably, a sealing rib is further arranged on one surface of the shell, which is provided with the opening, and a sealing groove matched with the sealing rib is arranged on the inner side surface of the cover plate.
The utility model discloses in the inverter, mounting structure between its casing and the apron is the mounting structure of the inverter casing that discloses in the arbitrary one of the aforesaid and apron.
According to the above technical scheme, the utility model discloses in the mounting structure of inverter housing and apron disclosed, one side and the casing cooperation of pegging graft of apron, one side links to each other through threaded fastener in addition. Compared with the existing mode that the shell and the cover plate are only connected by the screws, the number of the threaded fasteners is obviously reduced because only one side of the shell is connected by the threaded fasteners, and the cover plate is more convenient to detach and install; compared with the mode that the shell and the cover plate are connected through the hinge at present, the production cost of the shell and cover plate installation structure can be reduced due to the fact that no additional accessories are needed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a housing structure provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an L-shaped mounting plate provided in an embodiment of the present invention;
fig. 3 is a schematic view illustrating an installation of the L-shaped mounting plate on the housing according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an inner side surface of a cover plate disclosed in an embodiment of the present invention;
fig. 5 is a schematic structural view of the socket disclosed in the embodiment of the present invention;
fig. 6 is a schematic view illustrating the installation of the cover plate and the housing according to the embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of the display board and the socket according to the embodiment of the present invention;
fig. 8 is a schematic view of the rotation direction of the plug board after the insertion into the insertion hole is completed in the embodiment of the present invention;
fig. 9 is a schematic cross-sectional view of the cover plate disclosed in the embodiment of the present invention after covering the opening of the housing;
FIG. 10 is a schematic view of a structure in which one side of a cover plate is connected to a housing by a screw fastener according to an embodiment of the present invention;
fig. 11 is a schematic structural view of an L-shaped hook disclosed in the embodiment of the present invention;
fig. 12 is a schematic structural view of the inner side of the locking knob disclosed in the embodiment of the present invention;
fig. 13 is a schematic structural view of the cover plate disclosed in the embodiment of the present invention in an unlocked state;
fig. 14 is a schematic structural view of the cover plate disclosed in the embodiment of the present invention in a locked state.
Wherein the content of the first and second substances,
1 is the casing, 2 is the apron, 3 is L type mounting panel, 4 is sealed muscle, 5 is the picture peg, 6 is the locking knob, 7 is L type trip, 8 is the second screw hole, 9 is first screw hole, 10 is the screw, 11 is sealed recess, 31 is the jack, 32 is the mounting panel through-hole, 51 is the picture peg through-hole, 61 is the bayonet lock, 71 is U type groove, 72 is the trip through-hole, 73 is location breach.
Detailed Description
One of the cores of the utility model is to provide a mounting structure of inverter housing and apron to can simplify the mounting structure of casing and apron, and reduction in production cost.
Another core of the present invention is to provide an inverter using the above-mentioned mounting structure.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 10, the mounting structure of the inverter housing and the cover plate disclosed in the present embodiment includes a housing 1 and a cover plate 2, wherein the housing 1 has an opening, and the cover plate 2 is used for covering the opening on the housing 1, so that the housing 1 forms a closed structure as a whole to protect electrical components inside the housing 1.
Compared with the existing mode that the shell 1 and the cover plate 2 are connected only by screws, the mounting structure disclosed in the embodiment has the advantages that the number of the threaded fasteners is remarkably reduced, and the cover plate 2 is more convenient to detach and mount due to the fact that only one side of the threaded fasteners is connected by the threaded fasteners; compared with the existing mode that the shell 1 and the cover plate 2 are connected by the hinge, the production cost of the installation structure of the shell 1 and the cover plate 2 can be reduced because no additional accessories are needed.
In general, the casing of the inverter is rectangular, and the opening is generally disposed on the side with the largest area of the rectangular casing, and of course, according to the actual installation requirement, the possibility that the opening is disposed on any one side of the rectangular casing exists.
As will be understood by those skilled in the art, the insertion hole 31 is provided on one of the housing 1 and the cover plate 2, and the insertion plate 5 capable of extending into the insertion hole 31 is provided on the other one of the housing 1 and the cover plate 2 to realize the insertion connection between the cover plate 2 and the housing 1, and the insertion connection between the cover plate 2 and the housing 1 is realized by the cooperation between the insertion plate 5 and the insertion hole 31.
The insertion holes 31 may be directly formed in the casing 1 or the cover plate 2, or the insertion holes 31 may be formed in other components connected to the casing 1 or the cover plate 2, in an embodiment, the mounting structure of the casing 1 and the cover plate 2 further includes an L-shaped mounting plate 3, the L-shaped mounting plate 3 includes two side plates, one of the side plates is mounted on the casing 1, the other side plate is provided with the insertion holes 31, and the insertion plate 5 is mounted on the side edge of the cover plate 2, as shown in fig. 1 to 5, the insertion plate 5 is specifically rectangular, and the insertion holes 31 are correspondingly designed to be rectangular, so that the insertion plate 5 can be inserted.
More specifically, the L-shaped mounting plate 3 is provided with a mounting plate through hole 32, the L-shaped mounting plate 3 is detachably mounted on the housing 1 by a bolt penetrating through the mounting plate through hole 32, the inserting plate 5 is provided with an inserting plate through hole 51, and the inserting plate 5 is detachably mounted on the cover plate 2 by a bolt penetrating through the inserting plate through hole 51.
In consideration of the installation stability of the cover plate 2, at least two end insertion plates are arranged on the cover plate 2, and if only two end insertion plates are arranged, the two end insertion plates should be arranged close to the corner positions of the cover plate 2; of course, in order to further improve the installation stability of the cover plate 2, one or more intermediate insertion plates may be further disposed between the two end insertion plates, and the housing 1 may be correspondingly provided with the insertion holes 31 adapted to the intermediate insertion plates.
The threaded fastener may be a bolt or a screw 10, and in this embodiment, the threaded fastener is specifically a screw 10, referring to fig. 1 to 10, a first screw hole 9 is formed in the cover plate 2, a second screw hole 8 is formed in a position of the housing 1 corresponding to the first screw hole 9, and the screw 10 penetrating through the first screw hole 9 and the second screw hole 8 fastens the cover plate 2 and the housing 1.
Only set up second screw hole 8 into the internal thread hole, first screw hole 9 can realize for the through-hole that the fastening of apron 2 and casing 1 is connected, of course, also can set up second screw hole 8 into the through-hole, and first screw hole 9 is the screw hole, can also all set up first screw hole 9 and second screw hole 8 into the internal thread hole.
Referring to fig. 6 to 10, when the cover plate 2 is mounted on the housing 1, first, the side of the cover plate 2 provided with the insertion plate 5 is tilted and extended, and the cover plate 2 is inserted into the insertion hole 31 in the direction indicated by the arrow in fig. 6, then the cover plate 2 is pressed downward in the direction indicated by the arrow in fig. 8 and the cover plate 2 is rotated until the cover plate 2 and the housing 1 are attached to each other to the state shown in fig. 9, and then the cover plate 2 and the housing 1 are fastened by the screws 10.
In order to further optimize the scheme, in this embodiment, the cover plate 2 is further provided with at least one bayonet, the housing 1 is provided with the locking knob 6, the locking knob 6 is provided with the bayonet 61, when the cover plate 2 is covered on the housing 1, the locking knob 6 is rotated and the bayonet 61 is clamped into the bayonet, and then the cover plate 2 is in a locking state, as shown in fig. 14, the cover plate 2 cannot be opened at this time, so that the operation safety can be improved, and an operator is prevented from being injured; when the locking knob 6 is rotated and the bayonet 61 is disengaged from the bayonet, the cover 2 is unlocked, as shown in fig. 13, and the cover 2 can be opened by removing the screw 10.
In the mounting structure of the housing and the cover plate disclosed in this embodiment, the mounting structure further includes an L-shaped hook 7, as shown in fig. 11, the L-shaped hook 7 is disposed near an edge of the cover plate 2, one side plate of the L-shaped hook 7 is mounted on an inner side surface of the cover plate 2, and a U-shaped groove 71 is formed in the other side plate, and the U-shaped groove 71 forms the bayonet. As will be understood from fig. 11, the L-shaped hook 7 is provided with a hook through hole 72, the L-shaped hook 7 is mounted on the cover plate 2 by a bolt passing through the hook through hole 72, and in order to further improve the mounting convenience, the L-shaped hook 7 is further provided with a positioning notch 73, and the positioning notch 73 is used for matching with a positioning column in the cover plate 2 to quickly determine the mounting position of the L-shaped hook 7.
In order to improve the sealing performance of the housing 1, a sealing rib 4 is further provided on one surface of the housing 1 having an opening (in this embodiment, the front side surface of the housing), as shown in fig. 1, and a sealing groove 11 into which the sealing rib 4 is inserted is provided on the inner side surface of the cover plate 2, as shown in fig. 4.
In addition, the embodiment of the utility model provides an inverter is still disclosed to mounting structure between casing and the apron of this inverter is the mounting structure of the disclosed inverter casing and apron in above-mentioned arbitrary embodiment.
Due to the adoption of the mounting structure, the inverter has the corresponding technical advantages of the mounting structure, and a person skilled in the art can understand the inverter by referring to the above embodiment, which is not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The mounting structure of the inverter shell and the cover plate comprises a shell (1) with an opening and a cover plate (2) for covering the opening, and is characterized in that one side of the cover plate (2) is in plug fit with the shell (1), and the other side of the cover plate is fixedly connected with the shell (1) through a threaded fastener.
2. The mounting structure according to claim 1, wherein one of the housing (1) and the cover plate (2) is provided with a jack (31), and the other one is provided with an insert plate (5) capable of extending into the jack (31), and the insert plate (5) is matched with the jack (31) to realize the insertion of the cover plate (2) and the housing (1).
3. The mounting structure according to claim 2, further comprising an L-shaped mounting plate, wherein one side plate of the L-shaped mounting plate (3) is detachably mounted on the housing (1), the other side plate is provided with the insertion hole (31), and the insertion plate (5) is detachably mounted on the cover plate (2).
4. A mounting arrangement according to claim 3, characterised in that the cover plate (2) is rectangular and that the cover plate (2) is plugged onto the housing by means of at least two end plugs located close to its corners.
5. The mounting structure according to claim 2, wherein the threaded fastener is a screw (10), the cover plate (2) is provided with a first screw hole (9), and the housing (1) is provided with a second screw hole (8) at a position corresponding to the first screw hole (9).
6. The arrangement, as set forth in claim 5, characterized in that at least one of the first screw hole (9) and the second screw hole (8) is an internally threaded hole.
7. The mounting structure according to any one of claims 1 to 6, wherein the cover plate (2) is further provided with at least one bayonet, the housing (1) is provided with a locking knob (6), the locking knob (6) is provided with a bayonet (61), and when the cover plate (2) is covered on the housing (1), the cover plate (2) is in a locking state after the locking knob (6) is rotated and the bayonet (61) is clamped into the bayonet; and after the locking knob (6) is rotated and the bayonet (61) is separated from the bayonet, the cover plate (2) is in an unlocking state.
8. The mounting structure according to claim 7, further comprising an L-shaped hook (7), wherein the L-shaped hook (7) is disposed near an edge of the cover plate (2), one side plate of the L-shaped hook is mounted on an inner side surface of the cover plate (2), the other side plate is provided with a U-shaped groove (71), and the U-shaped groove (71) forms the bayonet.
9. The mounting structure according to any one of claims 1 to 6 and 8, wherein a sealing rib (4) is further provided on the side of the housing (1) having the opening, and a sealing groove (11) adapted to the sealing rib (4) is provided on the inner side of the cover plate (2).
10. An inverter, characterized in that the mounting structure between the case and the cover plate of the inverter is the mounting structure of the case and the cover plate of the inverter according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921093438.3U CN209994285U (en) | 2019-07-12 | 2019-07-12 | Mounting structure and dc-to-ac converter casing and apron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921093438.3U CN209994285U (en) | 2019-07-12 | 2019-07-12 | Mounting structure and dc-to-ac converter casing and apron |
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| Publication Number | Publication Date |
|---|---|
| CN209994285U true CN209994285U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921093438.3U Active CN209994285U (en) | 2019-07-12 | 2019-07-12 | Mounting structure and dc-to-ac converter casing and apron |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628582A (en) * | 2020-12-21 | 2021-04-09 | 阳光电源（上海）有限公司 | Device connecting device and electrical device |
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2019
- 2019-07-12 CN CN201921093438.3U patent/CN209994285U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628582A (en) * | 2020-12-21 | 2021-04-09 | 阳光电源（上海）有限公司 | Device connecting device and electrical device |
| CN112628582B (en) * | 2020-12-21 | 2023-09-15 | 阳光电源（上海）有限公司 | Device connection device and electrical device |
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