CN217639279U - A fixed casing for extensible guide tracked electric energy meter - Google Patents
A fixed casing for extensible guide tracked electric energy meter Download PDFInfo
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- CN217639279U CN217639279U CN202220523354.4U CN202220523354U CN217639279U CN 217639279 U CN217639279 U CN 217639279U CN 202220523354 U CN202220523354 U CN 202220523354U CN 217639279 U CN217639279 U CN 217639279U
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- circuit board
- electric energy
- energy meter
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Abstract
The utility model relates to a fixed casing for but expanded guide tracked electric energy meter, but expanded guide tracked electric energy meter include the circuit board, this circuit board includes circuit board, intermediate circuit board and lower circuit board, a serial communication port, fixed casing include top cap and the base that mutual block is connected, the base on be equipped with the lower fixed establishment that is used for installing circuit board down, be used for installing the intermediate fixing mechanism of intermediate circuit board and be used for installing the last fixed establishment of circuit board. Compared with the prior art, the utility model has the advantages of the installation is simple and convenient, and is firm reliable.
Description
Technical Field
The utility model relates to an electric energy meter especially relates to a fixed casing that is used for expanded guide tracked electric energy meter.
Background
The guide rail type electric energy meter is small in size and can be conveniently installed on the guide rail in the distribution box, so that the application range is wide. The current electric energy meter structure generally adopts screw connection, and the assembly is troublesome.
The searched Chinese patent publication No. CN106370897A discloses a guide rail type electric energy meter structure shared by direct access and indirect access, and the structure realizes the fastening of an electric energy meter electric energy plate and an upper cover through a screw structure, and realizes the installation on a guide rail; however, the existing structure is troublesome to assemble, and the screw fastening is easy to loosen.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fixed casing that is used for expanded guide tracked electric energy meter in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
according to the utility model discloses an aspect provides a fixed casing for expanded guide tracked electric energy meter, expanded guide tracked electric energy meter include the circuit board, this circuit board includes circuit board, intermediate circuit board and lower circuit board, fixed casing include top cap and the base that mutual block is connected, the base on be equipped with the lower fixed establishment that is used for installing circuit board down, be used for installing the intermediate fixing mechanism of intermediate circuit board and be used for installing the last fixed establishment of circuit board.
As a preferred technical solution, the lower fixing mechanism includes a first protrusion for supporting the lower circuit board and keeping the lower circuit board at a distance from the bottom surface, and the first protrusion is provided on the bottom surface of the base.
As a preferable technical scheme, four first bulges are arranged.
As the preferred technical scheme, the lower fixing mechanism further comprises a first buckle used for ensuring that the lower circuit board can be installed in place, and the first buckle is arranged on the side face of the base.
Preferably, the middle fixing mechanism includes a pillar for fixing the vertical position of the middle circuit board, and the pillar is disposed on the side surface of the base.
As the preferred technical scheme, a second buckle used for propping against the middle circuit board is arranged above the support post.
As a preferred technical solution, the middle fixing mechanism includes a guide post for positioning the middle circuit board and the lower circuit board.
As a preferred technical solution, the upper fixing mechanism includes a groove for supporting and fixing the upper circuit board, and the upper circuit board is provided with a second protrusion corresponding to the groove.
As a preferred technical scheme, the outer side of the base is provided with a third bulge, and a square hole is formed in the corresponding position of the top cover.
As a preferable technical scheme, four third bulges and four square holes are arranged.
Compared with the prior art, the utility model has the advantages of it is following:
1) The utility model discloses a buckle, guide pillar, contact pin socket are connected, have realized the reliable fixed of whole electric energy meter structure.
2) The utility model discloses the installation is simple and convenient.
Drawings
Fig. 1 is a schematic perspective view of the base of the present invention;
FIG. 2 is a schematic view of the base of the present invention;
FIG. 3 is an enlarged partial schematic view of the lower securing mechanism of FIG. 1;
FIG. 4 is an enlarged partial schematic view of the intermediate securing mechanism of FIG. 1;
FIG. 5 is a partially enlarged view of the guide post portion of FIG. 1;
fig. 6 is an installation schematic diagram of the top cover and the base of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
As shown in fig. 1-2, a fixing casing for an expandable guide-rail electric energy meter includes a circuit board including an upper circuit board, an intermediate circuit board, and a lower circuit board, the fixing casing includes a top cover and a base which are connected with each other in a snap-fit manner, and the base is provided with a lower fixing mechanism for mounting the lower circuit board, an intermediate fixing mechanism for mounting the intermediate circuit board, and an upper fixing mechanism for mounting the upper circuit board.
The utility model discloses the fixed technique of circuit board in the structure realization electric energy meter of using the buckle uses guide pillar, buckle to realize the fixed of electrical apparatus board and upper meter shell and base. The reliable connection of each component of the electric energy meter is realized, and the installation is convenient. The width of the electric energy meter is 4P (72 mm).
As shown in fig. 3, the lower fixing mechanism includes a first protrusion 1 for supporting the lower circuit board and maintaining the lower circuit board at a distance from the bottom surface, and the first protrusion 1 is provided on the bottom surface of the base.
The four first bulges 1 are used for supporting the lower circuit board, keeping a certain distance from the bottom surface of the circuit board and accommodating components on the back surface of the lower circuit board.
The lower fixing mechanism further comprises a first buckle 2 used for ensuring that the lower circuit board can be installed in place, and the first buckle 2 is arranged on the side face of the base. When the circuit board is pressed down, the circuit board props against the buckle, and the buckle is pressed down, so that the circuit board can be installed in place. When the lower circuit board is pressed in place, the buckle bounces to press the circuit board, so that the vertical fixation of the circuit board is realized.
As shown in fig. 4, the intermediate fixing mechanism includes a pillar 3 for fixing the vertical position of the intermediate circuit board, and the pillar 3 is provided on the side surface of the base. And a second buckle 4 for propping the middle circuit board is arranged above the strut 3, so that the middle circuit board is fixed.
As shown in fig. 5, the intermediate fixing mechanism includes guide posts 5 for positioning the intermediate circuit board and the lower circuit board. A step is arranged on the guide post, so that the mounting position of the intermediate circuit board can be aligned conveniently. The middle circuit board is provided with corresponding positioning holes. The guide post is inserted into the positioning hole in the circuit board to realize the accurate positioning of the middle circuit board. Meanwhile, the guide pillar can realize the positioning of the lower circuit board in the horizontal direction. When the lower circuit board is installed, the lower circuit board is installed by being attached to the guide pillar, and the horizontal direction positioning of the lower circuit board is achieved.
The upper fixing mechanism comprises a groove 6 for supporting and fixing the upper circuit board, and the upper circuit board is provided with a second protrusion corresponding to the groove 6. The lower circuit board is connected with the middle circuit board and the top circuit board through pins and sockets. Wherein the contact pin uses the double-seat contact pin, guarantees that the position of contact pin does not rock.
As shown in fig. 6, a third protrusion 7 is disposed on the outer side of the base, and a square hole 8 is disposed at a corresponding position of the top cover. The number of the third bulges 7 and the number of the square holes 8 are four.
Four third bulges are arranged on the outer side of the base, the upper surface of each third bulge is an inclined plane, and the lower surface of each third bulge is a plane. The corresponding top cover is positioned in four square holes. When the top cap down pressed, the both sides of top cap pressed on four third archs of base, and two curb plates tops of top cap are on the bellied inclined plane of third, and the top cap both sides can produce the deformation. After the top cover is installed in place, the four third bulges are clamped into the four square holes of the top cover, the side plates of the top cover are recovered to be normal, and the four third bulges are clamped into the four square holes, so that the top cover is guaranteed to be connected with the base.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a fixed casing for scalable guide tracked electric energy meter, scalable guide tracked electric energy meter include the circuit board, this circuit board includes circuit board, middle circuit board and lower circuit board, its characterized in that, fixed casing include top cap and the base of mutual block connection, the base on be equipped with the lower fixed establishment that is used for installing circuit board down, be used for installing the middle fixed establishment of middle circuit board and be used for installing the last fixed establishment of circuit board.
2. The fixing case for the extensible guide rail type electric energy meter according to claim 1, wherein the lower fixing mechanism comprises a first protrusion (1) for supporting the lower circuit board and keeping the lower circuit board at a distance from the bottom surface, and the first protrusion (1) is provided on the bottom surface of the base.
3. The fixed casing for the expandable guide-rail type electric energy meter according to claim 2, wherein the first protrusions (1) are provided in four numbers.
4. The fixing casing for the expandable guide-rail type electric energy meter according to claim 1, wherein the lower fixing mechanism further comprises a first buckle (2) for ensuring that the lower circuit board can be installed in place, and the first buckle (2) is arranged on the side surface of the base.
5. A fixing casing for an extensible guideway electric energy meter according to claim 1, characterized in that the intermediate fixing mechanism comprises a pillar (3) for fixing the vertical position of the intermediate circuit board, and the pillar (3) is provided on the side of the base.
6. The fixed casing for the expandable guide-rail type electric energy meter according to claim 5, wherein a second buckle (4) for propping against the middle circuit board is arranged above the supporting column (3).
7. A fixing case for an expandable guideway electric energy meter according to claim 1, characterized in that the intermediate fixing mechanism comprises a guide pillar (5) for positioning the intermediate circuit board and the lower circuit board.
8. The fixing case for the expandable guide-rail type electric energy meter according to claim 1, wherein the upper fixing mechanism comprises a groove (6) for supporting and fixing an upper circuit board, and the upper circuit board is provided with a second protrusion corresponding to the groove (6).
9. The fixed casing for the expandable guide-rail type electric energy meter according to claim 1, wherein a third protrusion (7) is provided on the outer side of the base, and a square hole (8) is provided at a corresponding position of the top cover.
10. The fixed casing for the expandable guide-rail type electric energy meter according to claim 9, wherein the number of the third protrusions (7) and the square holes (8) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220523354.4U CN217639279U (en) | 2022-03-11 | 2022-03-11 | A fixed casing for extensible guide tracked electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220523354.4U CN217639279U (en) | 2022-03-11 | 2022-03-11 | A fixed casing for extensible guide tracked electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217639279U true CN217639279U (en) | 2022-10-21 |
Family
ID=83643695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220523354.4U Active CN217639279U (en) | 2022-03-11 | 2022-03-11 | A fixed casing for extensible guide tracked electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217639279U (en) |
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2022
- 2022-03-11 CN CN202220523354.4U patent/CN217639279U/en active Active
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