CN111812371B - Shell and metering device - Google Patents
Shell and metering device Download PDFInfo
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- CN111812371B CN111812371B CN202010664841.8A CN202010664841A CN111812371B CN 111812371 B CN111812371 B CN 111812371B CN 202010664841 A CN202010664841 A CN 202010664841A CN 111812371 B CN111812371 B CN 111812371B
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- metering device
- cover plate
- positioning
- frame
- mounting plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- General Physics & Mathematics (AREA)
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Abstract
The invention belongs to the technical field of metering devices, and particularly discloses a shell and a metering device. The shell comprises an outer frame, an inner frame and a cover plate, wherein the inner frame is sleeved on the inner side of the outer frame, a connecting piece is arranged between the outer frame and the inner frame, and the inner frame is fixedly connected with the outer frame through the connecting piece. The apron cup joints in the inboard of inner frame, and the guiding gutter has been seted up along its circumference to the front side of apron, and the inner wall coating of guiding gutter has waterproof coating. Through set up double frame structure at the circumference of apron, strengthened the structural strength of casing, improved the stability and the security of casing. The cover plate is provided with a diversion trench, so that the shell has a waterproof function. The metering device provided by the invention comprises the shell. The structural strength of the metering device is enhanced, and the stability and safety of the metering device are improved. The external water is prevented from entering the metering device through the cover plate, so that the metering device has a waterproof function.
Description
Technical Field
The invention relates to the technical field of metering devices, in particular to a shell and a metering device.
Background
The electric power metering device is a meter for measuring and recording power supply quantity, line loss electric quantity and user electric quantity, and can quickly find out an abnormal line area with faults according to metering data.
The structural strength of the shell of the existing electric power metering device is insufficient, the shell is easy to crack when being subjected to external force in the transportation, installation and disassembly processes, and even the internal structure of the electric power metering device is damaged, so that the normal use of the electric power metering device is affected.
In addition, the electric power metering device is often installed outdoors, is influenced by weather or surrounding environment, is easy to generate water seepage phenomenon, corrodes parts inside the electric power metering device, or causes short circuit of a circuit to generate danger.
Therefore, a housing and a metering device are needed to solve the above problems.
Disclosure of Invention
An object of the present invention is to provide a housing to improve the structural strength of a metering device and to prevent the metering device from water seepage.
The technical scheme adopted by the invention is as follows:
a housing, comprising:
the inner frame is sleeved on the inner side of the outer frame, a connecting piece is arranged between the outer frame and the inner frame, and the inner frame is fixedly connected with the outer frame through the connecting piece;
the cover plate is sleeved on the inner side of the inner frame, the front side of the cover plate is provided with a diversion trench along the circumferential direction of the cover plate, and the inner wall of the diversion trench is coated with a waterproof coating.
Preferably, a first positioning block is convexly arranged on the inner side of the outer frame, a second positioning block is correspondingly convexly arranged on the outer side of the inner frame, a first positioning groove is formed in the first positioning block, and a second positioning groove is formed in the second positioning block; one end of the connecting piece is inserted into the first positioning groove, and the other end of the connecting piece is inserted into the second positioning groove.
Preferably, the connector comprises a body, wherein the two ends of the body are provided with plug-in parts in an extending mode, and the outer diameter of the body is smaller than that of the plug-in parts.
Preferably, the plugging part comprises a first shaft and a second shaft which are coaxially connected, the outer diameter of the first shaft is smaller than that of the second shaft, and a step surface is formed between the first shaft and the second shaft; when the first shaft is inserted into the first positioning groove or the second positioning groove, the step surface is propped against the top end of the first positioning groove or the top end of the second positioning groove.
Preferably, the number of the first positioning blocks is a plurality, and the plurality of the first positioning blocks are arranged at equal intervals along the circumferential direction of the outer frame; the second positioning blocks and the first positioning blocks are the same in number and in one-to-one correspondence.
Preferably, the cover plate is further provided with a diversion channel, and the diversion channel is communicated with the diversion trench and can guide out water entering the diversion trench from the cover plate.
Preferably, the tank bottom of the diversion trench is provided with a containing tank, and an inner cavity of the containing tank is filled with waterproof particles.
Preferably, the shell further comprises a first mounting plate and a second mounting plate connected with the first mounting plate, wherein the first mounting plate is provided with a fixing hole, and the second mounting plate is provided with a hanging hole.
Preferably, the second mounting plate is vertically connected to the first mounting plate, and the axis of the fixing hole is perpendicular to the axis of the hanging hole.
Another object of the present invention is to provide a metering device, which improves the structural strength of the metering device and prevents the metering device from water seepage.
The technical scheme adopted by the invention is as follows:
a metering device comprises the shell.
The beneficial effects of the invention are as follows:
the shell provided by the invention comprises an outer frame, an inner frame and a cover plate. Wherein the cover plate is sleeved on the inner frame, the inner frame is sleeved on the inner side of the outer frame, and the outer frame is fixedly connected with the inner frame through a connecting piece. Through set up two frame construction at the circumference of apron, strengthened the structural strength of casing, reduced the damage of outside collision to the casing, improved the stability and the security of casing to be favorable to improving the life of casing.
Meanwhile, the diversion trench is formed in the cover plate, so that outside water can enter the diversion trench, and the situation that the outside water enters the metering device through the cover plate is avoided, so that the shell has a waterproof function. In addition, the waterproof coating is coated in the diversion trench, so that the diversion trench is prevented from leaking, and the waterproof effect of the shell is further improved.
The metering device provided by the invention comprises the shell. The structural strength of the metering device is enhanced, the damage of external collision to the metering device is reduced, and the stability and safety of the metering device are improved. The external water is prevented from entering the metering device through the cover plate, so that the metering device has a waterproof function. In addition, the waterproof coating is coated in the diversion trench, so that the diversion trench can be prevented from leaking, and the waterproof effect of the metering device is further improved.
Drawings
FIG. 1 is an end view of a metering device body not shown in accordance with a first embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial enlarged view at B in FIG. 1;
FIG. 4 is a front view of a connector according to a first embodiment of the present invention;
fig. 5 is a side view of a metering device according to a first embodiment of the present invention.
The drawings in the drawings are given the following names and designations:
10. a metering device;
1. an outer frame; 11. a first positioning block; 2. an inner frame; 21. a second positioning block; 3. a connecting piece; 31. A body; 32. a plug-in part; 321. a first shaft; 322. a second shaft; 4. a cover plate; 41. a diversion trench; 42. A receiving groove; 5. a first mounting plate; 51. a fixing hole; 6. a second mounting plate; 61. and a hanging hole.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements or interaction relationship between the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, the first feature being "above," "over" and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is level less than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a particular meaning.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
For convenience of description, the lateral direction of the present application is shown as the x direction in fig. 1, the longitudinal direction of the present application is shown as the y direction in fig. 5, the vertical direction of the present application is shown as the z direction in fig. 1 and 5, and the top, bottom, upper and lower in the present application are according to the vertical direction. The vertical direction is a direction perpendicular to both the lateral direction and the longitudinal direction.
Example 1
The embodiment discloses a shell. The housing comprises an outer frame 1, an inner frame 2 and a cover plate 4. Wherein the inner frame 2 is sleeved on the inner side of the outer frame 1, a connecting piece 3 is arranged between the outer frame 1 and the inner frame 2, and the inner frame 2 is fixedly connected with the outer frame 1 through the connecting piece 3. The cover plate 4 is sleeved on the inner side of the inner frame 2. The front side of the cover plate 4 is provided with a diversion trench 41 along the circumferential direction, and the inner wall of the diversion trench 41 is coated with a waterproof coating.
In this embodiment, by providing the double-frame structure of the inner frame 2 and the outer frame 1 in the circumferential direction of the cover plate 4, the structural strength of the housing is enhanced, the damage of the external collision to the housing is reduced, and the stability and safety of the housing are improved, thereby being beneficial to improving the service life of the housing.
In addition, the cover plate 4 is provided with the diversion trench 41, so that external water can enter the diversion trench 41, and external water is prevented from entering the metering device 10 through the cover plate 4, so that the shell has a waterproof function. Moreover, the waterproof coating is coated in the diversion trench 41, so that the diversion trench 41 is prevented from leaking, and the waterproof effect of the shell is further improved.
Specifically, the outer frame 1, the inner frame 2 and the cover plate 4 in the shell are all square structures, and the outer frame 1, the inner frame 2 and the cover plate 4 are connected into a whole to form the shell. According to different functional modules on the metering device 10, a plurality of display holes matched with the functional modules of the metering device 10 can be correspondingly formed in the cover plate 4 in the shell, so that the universality of the shell is improved.
As shown in fig. 1 and 2, the cover plate 4 is further provided with a diversion channel (not shown in the drawings), which is communicated with the diversion trench 41 and is capable of guiding water entering the diversion trench 41 out of the cover plate 4.
Preferably, the diversion channel is arranged at the corner position of the bottom of the diversion trench 41, so that water in the diversion trench 41 can be conveniently and rapidly discharged out of the cover plate 4, and long-time water accumulation of the diversion trench 41 is avoided.
Further preferably, the groove bottom of the diversion groove 41 is provided with a containing groove 42, and the inner cavity of the containing groove 42 is filled with waterproof particles. When the waterproof coating of the diversion trench 41 is naturally failed or damaged, the waterproof particles in the accommodating groove 42 can timely adsorb water in the diversion trench 41 or surrounding moisture, so that the cover plate 4 is kept dry, and water seepage is avoided. Of course, the number of the accommodating grooves 42 may be plural, and the plurality of accommodating grooves 42 are arranged in the diversion trenches 41 in an array, so that the adsorption efficiency can be improved. The number of the containing grooves 42 can be properly increased in the diversion trenches 41 positioned at the bottom of the cover plate 4 according to actual conditions, so that the diversion trenches 41 at the bottom are prevented from accumulating water.
As shown in fig. 3 and 4, the inner side of the outer frame 1 is convexly provided with a first positioning block 11, the outer side of the inner frame 2 is correspondingly convexly provided with a second positioning block 21, the first positioning block 11 is provided with a first positioning groove, and the second positioning block 21 is provided with a second positioning groove. One end of the connecting piece 3 is inserted into the first positioning groove, and the other end is inserted into the second positioning groove. The inner frame 2 and the outer frame 1 are fixedly connected through the connecting piece 3, and the double-frame structure enhances the structural strength of the shell.
Preferably, the number of the first positioning blocks 11 is plural, and the plural first positioning blocks 11 are disposed at equal intervals in the circumferential direction of the outer frame 1. The number of the second positioning blocks 21 is the same as that of the first positioning blocks 11, and the second positioning blocks are in one-to-one correspondence. The plurality of first positioning blocks 11 and the second positioning blocks 21 further enhance structural strength and stability of the housing having the double frame structure, and make the housing stress uniform. In this embodiment, the first positioning block 11 and the second positioning block 21 have the same structure and size, which is convenient for processing and manufacturing and reduces the cost.
As further shown in fig. 4, the connector 3 includes a body 31, two ends of the body 31 are provided with plug-in parts 32, and an outer diameter of the body 31 is smaller than an outer diameter of the plug-in parts 32. The outer diameter of the body 31 is small, so that the overall weight of the connector 3 can be reduced, and the weight of the housing can be reduced. The outer diameter of the plugging portion 32 is large, so that plugging is facilitated, and meanwhile plugging stability can be improved.
In this embodiment, the plugging portion 32 includes a first shaft 321 and a second shaft 322 coaxially connected, and an outer diameter of the first shaft 321 is smaller than an outer diameter of the second shaft 322, and a stepped surface is formed between the first shaft 321 and the second shaft 322. When the first shaft 321 is inserted into the first positioning groove or the second positioning groove, the step surface is pressed against the top end of the first positioning groove or the second positioning groove, so that the insertion stability of the connecting piece 3 is further improved, and good stable connection between the inner frame 2 and the outer frame 1 is realized.
Because the metering device is generally installed outdoors, the service environment is not fixed, and the single installation mode limits the application range of the metering device, thereby being unfavorable for the quick installation of the metering device.
As shown in fig. 1 and 5, the housing further includes a first mounting plate 5 and a second mounting plate 6 connected to the first mounting plate 5, the first mounting plate 5 is provided with a fixing hole 51, and the second mounting plate 6 is provided with a hanging hole 61. The first mounting plate 5 links to each other with the first mounting plate 5, is favorable to improving the structural strength of first mounting plate 5 and first mounting plate 5, promotes the bearing capacity of casing. During installation of the metering device 10, fasteners may optionally be used to mount the metering device 10 to a designated station through the securing apertures 51; or in the event of inconvenient installation, hoist ropes are used to hoist the metering device 10 to a designated station through hoist apertures 61. The use of different mounting arrangements and/or different mounting orientations improves the applicability of the housing to the metering device 10.
In the present embodiment, the number of the first mounting plates 5 is four. The four first mounting plates 5 are arranged in an array and are respectively arranged at four corner positions of the outer frame 1. In the present embodiment, the number of the fixing holes 51 and the hanging holes 61 is one, and the central axes of the two are perpendicular to each other. Of course, the number of the fixing holes 51 and the hanging holes 61 may be two, three or more. The sizes and specific shapes of the fixing hole 51 and the hanging hole 61 are not particularly limited herein.
As further shown in fig. 5, the second mounting plate 6 is vertically connected to the first mounting plate 5, and the axis of the fixing hole 51 is arranged vertically to the axis of the hanging hole 61. The metering device 10 is mounted from different mounting directions. Specifically, the casing is disposed at the front side of the metering device 10, and the second mounting plate 6 extends longitudinally and is respectively connected with the first mounting plate 5 and the metering device 10, so that the connection strength between the casing and the metering device 10 is enhanced, the distribution condition of lifting stress of the metering device 10 is improved, and the lifting safety is improved.
As further shown in fig. 1 and 5, the present embodiment further discloses a metering device 10, including the cover plate 4 described above. By installing the housing having the double-frame structure and the waterproof function on the metering device 10, the structural strength of the metering device 10 is enhanced, the damage of external collision to the metering device 10 is reduced, and the stability and safety of the metering device 10 are improved. While allowing the metering device 10 to have a waterproof function. Moreover, the metering device 10 may be quickly installed using a variety of installation methods.
Example two
The structure of the housing and the metering device 10 disclosed in this embodiment is substantially the same as that of the embodiment, except that:
in this embodiment, the cover plate 4 is not provided with the diversion trench 41, but a waterproof area is provided at the location of the diversion trench 41 of the cover plate 4 in the first embodiment, a waterproof coating is coated on the waterproof area, the containing trenches 42 are located in the waterproof area, the number of the containing trenches 42 is plural, and the plural containing trenches 42 are distributed at equal intervals along the extending direction of the waterproof area. When the water quantity of the installation station of the metering device 10 is small, the metering device 10 can be prevented from leaking through the waterproof area coated with the waterproof coating, the structure of the cover plate 4 is simplified, and the processing cost is reduced.
The above embodiments merely illustrate the basic principle and features of the present invention, and the present invention is not limited to the above embodiments, but may be varied and altered without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A housing, comprising:
the device comprises an outer frame (1) and an inner frame (2), wherein the inner frame (2) is sleeved on the inner side of the outer frame (1), a connecting piece (3) is arranged between the outer frame (1) and the inner frame (2), and the inner frame (2) is fixedly connected with the outer frame (1) through the connecting piece (3);
the cover plate (4) is sleeved on the inner side of the inner frame (2), the front side of the cover plate (4) is provided with a diversion trench (41) along the circumferential direction of the cover plate, and the inner wall of the diversion trench (41) is coated with a waterproof coating;
the cover plate (4) is also provided with a diversion channel which is communicated with the diversion trench (41) and can lead out water entering the diversion trench (41) from the cover plate (4);
an accommodating groove (42) is formed in the groove bottom of the diversion groove (41), and the inner cavity of the accommodating groove (42) is filled with waterproof particles;
the number of the accommodating grooves (42) is multiple, and the plurality of accommodating grooves (42) are arranged in the diversion grooves (41) in an array.
2. The shell according to claim 1, wherein a first positioning block (11) is convexly arranged on the inner side of the outer frame (1), a second positioning block (21) is correspondingly convexly arranged on the outer side of the inner frame (2), the first positioning block (11) is provided with a first positioning groove, and the second positioning block (21) is provided with a second positioning groove; one end of the connecting piece (3) is inserted into the first positioning groove, and the other end of the connecting piece is inserted into the second positioning groove.
3. The housing according to claim 2, wherein the connecting piece (3) comprises a body (31), both ends of the body (31) are provided with plug-in parts (32) in an extending manner, and the outer diameter of the body (31) is smaller than the outer diameter of the plug-in parts (32).
4. A housing according to claim 3, wherein the plug-in part (32) comprises a first shaft (321) and a second shaft (322) coaxially connected, and wherein the outer diameter of the first shaft (321) is smaller than the outer diameter of the second shaft (322), and wherein a stepped surface is formed between the first shaft (321) and the second shaft (322); when the first shaft (321) is inserted into the first positioning groove or the second positioning groove, the step surface is abutted against the top end of the first positioning groove or the top end of the second positioning groove.
5. The housing according to claim 2, wherein the number of the first positioning blocks (11) is plural, and the plural first positioning blocks (11) are arranged at equal intervals in the circumferential direction of the outer frame (1); the second positioning blocks (21) are the same in number as the first positioning blocks (11) and are in one-to-one correspondence.
6. The shell according to claim 1, further comprising a first mounting plate (5) and a second mounting plate (6) connected to the first mounting plate (5), wherein the first mounting plate (5) is provided with a fixing hole (51), and the second mounting plate (6) is provided with a hanging hole (61).
7. The housing according to claim 6, characterized in that the second mounting plate (6) is perpendicularly connected to the first mounting plate (5), the axis of the fixing hole (51) being arranged perpendicularly to the axis of the hanging hole (61).
8. A metering device comprising a housing as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664841.8A CN111812371B (en) | 2020-07-10 | 2020-07-10 | Shell and metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664841.8A CN111812371B (en) | 2020-07-10 | 2020-07-10 | Shell and metering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111812371A CN111812371A (en) | 2020-10-23 |
| CN111812371B true CN111812371B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010664841.8A Active CN111812371B (en) | 2020-07-10 | 2020-07-10 | Shell and metering device |
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| Country | Link |
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| CN (1) | CN111812371B (en) |
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| CN107935113A (en) * | 2017-12-06 | 2018-04-20 | 佛山市春暖花开科技有限公司 | A kind of sewage oil draining system with diversion trench |
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| CN201753484U (en) * | 2009-06-05 | 2011-03-02 | 江苏姑苏净化科技有限公司 | Composite color steel plate connecting part |
| CN204495866U (en) * | 2014-12-30 | 2015-07-22 | 信宜市翔天电子科技实业有限公司 | Rainproof electricity meter box |
| CN106645847A (en) * | 2016-12-07 | 2017-05-10 | 国家电网公司 | Electric energy metering box protective device |
| CN110620339A (en) * | 2018-06-19 | 2019-12-27 | 江苏华邑市政工程有限公司 | Dampproofing and waterproofing power box with heat dissipation function |
| CN209232330U (en) * | 2018-12-06 | 2019-08-09 | 南京网祺电子工程有限公司 | A kind of outdoor LED display screen of waterproof |
| CN209247106U (en) * | 2019-02-02 | 2019-08-13 | 凯驰瑞鑫(大连)仪器发展有限公司 | A kind of open-channel meter sealed protective structure |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205982372U (en) * | 2016-08-31 | 2017-02-22 | 益阳三木电气技术有限公司 | Electric meter metering box of bird is prevented in rain -proof |
| CN206740824U (en) * | 2017-04-06 | 2017-12-12 | 宁波奥克斯高科技有限公司 | A kind of double layer water-proof structure of electric energy meter casing |
| CN107591691A (en) * | 2017-09-28 | 2018-01-16 | 中科电力装备集团有限公司 | A kind of underwater switch cabinet |
| CN107935113A (en) * | 2017-12-06 | 2018-04-20 | 佛山市春暖花开科技有限公司 | A kind of sewage oil draining system with diversion trench |
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| CN111812371A (en) | 2020-10-23 |
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