CN218822563U

CN218822563U - Metering device

Info

Publication number: CN218822563U
Application number: CN202222382332.3U
Authority: CN
Inventors: 何风琴; 张恩满
Original assignee: Goldcard Smart Group Co Ltd
Current assignee: Goldcard Smart Group Co Ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-04-07
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to the technical field of metering instruments, in particular to a metering instrument, which comprises a nameplate, a bracket, a circuit board fixing piece and a circuit board; the circuit board fixing piece and the bracket are arranged on the base of the metering instrument; the circuit board is arranged on the circuit board fixing part; the support is provided with a hinge, the nameplate is hinged with the hinge and rotates along the hinge until the end face of the nameplate is abutted with the end face of the circuit board; the upper cover of the metering instrument is abutted with the end face, far away from the circuit board, of the nameplate. According to the utility model discloses a metering device, fine solution install the data plate among the prior art problem inefficiency, with high costs.

Description

Metering device

Technical Field

The utility model belongs to the technical field of the metering device technique and specifically relates to a metering device.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

In recent years, china develops the popularization of natural gas of urban residents greatly, brings great development opportunities to the industry of metering instruments, and the metering instruments are generally provided with nameplates which contain information such as the specification, the model, the meter parameters, the battery model, the production date, the production serial number and the like of the metering instrument, so that a user can be effectively guided to use the intelligent gas meter correctly.

The general trend of visual demand of considering present measuring instrument all is big window, pluralism, and the data plate installation that mostly adopts directly to make among the prior art is fixed in measuring instrument, and the direct mount data plate generally includes that the spiro union is fixed and hot riveting is fixed, and above-mentioned mounting means all needs the frock supplementary, and then causes data plate installation inefficiency, the problem that installation cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior art mounting nameplate is low in efficiency and high in cost at least. The purpose is realized by the following technical scheme:

the utility model provides a metering instrument, which comprises a nameplate, a bracket, a circuit board fixing part and a circuit board;

the circuit board fixing piece and the bracket are arranged on the base of the metering instrument;

the circuit board is arranged on the circuit board fixing part;

the support is provided with a hinge piece, the nameplate is hinged with the hinge piece and rotates along the hinged position until the end face of the nameplate is abutted against the end face of the circuit board;

the upper cover of the metering instrument is abutted with the end face, far away from the circuit board, of the nameplate.

According to the utility model discloses a metering device, during the installation data plate, at first fix the circuit board on the circuit board mounting, at last with the data plate centre gripping between metering device's upper cover and circuit board, accomplish the installation of data plate in metering device, installation procedure is simple, need not the frock supplementary, fine solution prior art installation data plate inefficiency, problem with high costs.

In addition, according to the utility model discloses a metering device still can have following additional technical characterstic:

in some embodiments of the present invention, an end of the upper cover facing the data plate is provided with an upper cover rib, and the upper cover rib and the data plate are kept away from the end surface of the circuit board.

In some embodiments of the present invention, the metering device further includes a transparent window, the upper cover is provided with a window hole, the transparent window is disposed in the window hole, and the transparent window is far away from the nameplate the end surface of the circuit board is in contact with the end surface of the circuit board.

In some embodiments of the present invention, the transparent window is provided with an annular window rib facing the end surface of the nameplate, and the annular window rib is abutted to the end surface of the circuit board away from the nameplate.

In some embodiments of the present invention, the circuit board fixing member includes a mounting stud, the mounting stud is disposed on the base, a mounting hole is disposed on the circuit board, and the mounting stud is inserted into the mounting hole.

In some embodiments of the present invention, the circuit board fixing member further includes a limiting post, the limiting post is disposed on the base, and the limiting post and the circuit board are far away from the end surface of the nameplate.

In some embodiments of the present invention, the mounting stud is provided with an annular groove, the annular groove being opened around a side wall of the mounting stud;

when the circuit board is in a mounting state, the mounting stud is inserted into the mounting hole, and the annular groove is matched with the mounting hole.

In some embodiments of the present invention, the annular groove is disposed near an end of the mounting stud facing the circuit board.

The utility model discloses an in some embodiments, be equipped with the expansion joint on the circuit board, the expansion joint distributes the outside of mounting hole, and with the mounting hole intercommunication.

In some embodiments of the present invention, the mounting stud faces the end of the circuit board and is provided with an opening, the opening is along the axial direction of the mounting stud, and the mounting stud is close to the end of the circuit board and is cut into a first part and a second part which are separated from each other.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows an exploded view of a metering device according to an embodiment of the invention;

fig. 2 schematically shows a mounting structure of a nameplate, a circuit board and a base according to an embodiment of the present invention;

fig. 3 schematically illustrates a cross-sectional view of a meter at the completion of installation according to an embodiment of the present invention;

fig. 4 schematically shows a mounting structure diagram of a circuit board and a base according to an embodiment of the present invention;

FIG. 5 schematically illustrates a partial structural view of a mounting stud according to an embodiment of the present invention;

fig. 6 schematically shows the position schematic diagram of expansion joint and mounting hole in accordance with the embodiment of the present invention.

Description of reference numerals:

100 is a metering device;

1 is a nameplate, and 11 is a hinge hole;

2 is a bracket, 21 is a hinge piece;

31 is a mounting stud, 311 is an annular groove, 312 is an opening, 313 is a first part, 314 is a second part, and 32 is a limiting column;

4 is a circuit board, 41 is a mounting hole, and 42 is an expansion joint;

5 is a transparent window, 51 is an annular window rib, and 52 is a limit step;

6 is a base;

7 is an upper cover, 71 is an upper cover rib, and 72 is a viewing window hole.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both an up and down orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1, a first aspect of the present invention provides a metering device 100, which includes a nameplate 1, a bracket 2, a circuit board fixing member, and a circuit board 4; the circuit board fixing part and the bracket 2 are both arranged on the base 6 of the metering device 100; the circuit board 4 is arranged on the circuit board fixing part; the support 2 is provided with a hinge 21, the nameplate 1 is hinged with the hinge 21, and the nameplate 1 rotates along the hinged position until the end face of the nameplate 1 is abutted with the end face of the circuit board 4; the upper cover 7 of the measuring device 100 abuts against the end face of the nameplate 1 remote from the circuit board 4.

According to the utility model discloses a metering device, when installing data plate 1, at first fix circuit board 4 on the circuit board mounting, at last with the 1 centre gripping of data plate between metering device 100's upper cover 7 and circuit board 4, accomplish the installation of data plate 1 in metering device 100, installation procedure is simple, need not the frock supplementary, fine solution prior art installation data plate 1 inefficiency, problem with high costs.

In addition, because the nameplate 1 is clamped between the upper cover 7 of the metering instrument 100 and the circuit board 4, the nameplate 1 with large size and bright color can be selected, the visual effect of the metering instrument 100 is improved, the market competitiveness is improved, the market share is occupied, and the production enterprise can continuously develop under the severe market environment.

Referring to fig. 1-2 and 4, specifically, the circuit board 4 is disposed on the circuit board fixing member, the circuit board fixing member includes a mounting stud 31, the mounting stud 31 is disposed on the base 6, and correspondingly, a mounting hole 41 is disposed on the circuit board 4, and the mounting stud 31 is inserted into the mounting hole 41.

Further, in order to ensure the stability of the circuit board 4 when being pressed into the mounting stud 31, in a specific embodiment, referring to fig. 5, an annular groove 311 is formed on the mounting stud 31, the annular groove 311 is formed around a side wall of the mounting stud 31, when the circuit board 4 is in a mounting state, the mounting stud 31 is inserted into the mounting hole 41, and the annular groove 311 is matched with the mounting hole 41 to ensure the stability of the circuit board 4 when being pressed into the mounting stud 31.

It should be noted that the annular groove 311 may be disposed at any position of the mounting stud 31, including the middle portion or both ends; preferably, the annular groove 311 is disposed near the end of the mounting stud 31 facing the circuit board 4, in other words, the distance between the annular groove 311 and the end face of the mounting stud 31 facing the circuit board is small, so that the mounting path can be reduced on the premise of ensuring the mounting stability, and the mounting efficiency is further ensured.

Further, the shape of the mounting hole 41 is circular, the annular groove 311 is circular, and it is ensured that the diameter of the mounting hole 41 is smaller than the diameter of the mounting stud 31, and the diameter of the mounting hole 41 is equal to the diameter of the annular groove 311, so that the arrangement has the effect that when the circuit board 4 is pressed into the annular groove 311 in the mounting stud 31, the circuit board 4 is limited in the axial direction of the mounting stud 31, and the stability of the circuit board 4 when pressed into the mounting stud 31 is further ensured.

It should be noted that the shape of the mounting hole 41 can also be square, and correspondingly, the annular groove 311 is square and annular, and it is also necessary to ensure that the size of the mounting hole 41 is smaller than that of the mounting stud 31, and the size of the mounting hole 41 is equal to that of the annular groove 311, and the effects are described above and are not described herein again.

Obviously, since the size of the mounting hole 41 is smaller than the size of the mounting stud 31, the circuit board 4 is not easy to press into the mounting stud 31, and therefore, referring to fig. 6, an expansion joint 42 is provided on the circuit board 4, and the expansion joint 42 is distributed outside the mounting hole 41 and is communicated with the mounting hole 41, the effect of setting the expansion joint 42 lies in increasing the size of the mounting hole 41 in due time, specifically, when the mounting hole 41 of the circuit board 4 is pressed into the mounting stud 31, the mounting hole 41 is subjected to the effect of the external expansion force of the mounting stud 31 on the mounting hole to increase the size of the mounting hole, thereby facilitating the pressing of the circuit board 4 into the mounting stud 31, and avoiding the problem of damage to the circuit board 4 due to strong pressing.

It is worth noting that the number of the expansion joints 42 is not limited here, and may be 1, 2, and so on, as long as it is ensured that the circuit board 4 is conveniently pressed into the mounting stud 31, preferably, the number of the expansion joints 42 is 4, and the 4 expansion joints 42 are uniformly distributed on the outer side of the mounting hole 41 and connected with the mounting hole 41, so that when the circuit board 4 is pressed into the mounting stud 31, the size of the mounting hole 41 can be changed simultaneously, and thus, the mounting hole 41 of the circuit board 4 is more labor-saving and convenient to press into the mounting stud 31.

Referring to fig. 5, in order to make the circuit board 4 easier to press into the mounting stud 31, an opening 312 is provided at an end of the mounting stud 31 facing the circuit board 4, the opening 312 is opened along an axial direction of the mounting stud 31, and an end of the mounting stud 31 close to the circuit board 4 is cut into a first portion 313 and a second portion 314 which are separated from each other; due to the opening 312, when the mounting hole 41 of the circuit board 4 is pressed into the mounting stud 31, the end part of the mounting stud 31 close to the nameplate 1 tends to contract towards the center, so that the end part of the mounting stud 31 close to the circuit board 4 deforms, and the mounting hole of the circuit board 4 is pressed into the mounting stud 31 more conveniently in a labor-saving manner.

In some embodiments of the present invention, the circuit board fixing member further includes a limiting post 32, the limiting post 32 is disposed on the base 6, and the limiting post 32 and the circuit board 4 are far away from the end face of the nameplate 1, so as to realize a further limiting effect on the circuit board 4 fixed with the mounting stud 31.

The specific installation process is as follows: referring to fig. 1-2, when the circuit board 4 is pressed, the size of the mounting hole 41 is increased when the axial pressure is applied, the end of the mounting stud 31 near the nameplate 1 is deformed inward, the outer diameter of the mounting stud 31 is reduced, so that the end of the mounting stud 31 easily passes through the mounting hole 41, when the mounting hole 41 of the circuit board 4 reaches the position of the annular groove 311 of the mounting stud 31, the pressing force is not applied, the mounting hole 41 of the circuit board 4 is restored, so that the circuit board 4 is clamped in the annular groove 311 of the mounting stud 31, and finally the circuit board 4 fixed with the mounting stud 31 is limited by the limiting column 32, thereby completing the mounting process.

Referring to fig. 1-2, specifically, the hinge 21 is disposed on the support 2, the hinge hole 11 of the data plate 1 is hinged to the hinge 21, and the data plate 1 rotates along the hinge until the end surface of the data plate 1 abuts against the end surface of the circuit board 4, and more specifically, the hinge hole 11 is disposed on the data plate 1, and the hinge 21 is matched with the hinge hole 11 to complete the above-mentioned rotation.

Preferably, the opening position of the hinge hole 11 can be located on any frame of the nameplate 1, or can be located in the middle position of the nameplate 1, and the opening position is not limited herein.

The specific rotation process is as follows: as shown in fig. 2, the hinge hole 11 of the nameplate 1 is in hinge fit with the hinge 21 of the bracket 2; the nameplate 1 is rotated along the hinged position until the end face of the nameplate 1 is abutted against the end face of the circuit board 4.

Specifically, the upper cover 7 of the meter 100 abuts against the end surface of the nameplate 1 away from the circuit board 4, and therefore, the opposite end surfaces of the nameplate 1 abut against the end surface of the circuit board 4 and the upper cover 7 of the meter 100, respectively, in other words, the nameplate 1 is held between the upper cover 7 of the meter 100 and the circuit board 4, thereby completing the mounting of the nameplate 1.

Further, referring to fig. 3, in order to ensure the limiting effect of the upper cover 7 of the metering device 100 on the nameplate 1, an upper cover rib 71 is arranged at one end of the upper cover 7 facing the nameplate 1, and the upper cover rib 71 abuts against the end surface of the nameplate 1 far away from the circuit board 4; the upper cover rib 71 has the following effects: when the upper cover 7 and the nameplate 1 are installed, the upper cover rib 71 presses the nameplate 1 onto the circuit board 4, so that the installation stability of the nameplate 1 is improved.

Referring to fig. 1 and 3, specifically, the metering device 100 further includes a transparent window 5, the upper cover 7 is provided with a window hole 72, the transparent window 5 is disposed in the window hole 72, and the transparent window 5 abuts against an end face of the nameplate 1 far away from the circuit board 4; transparent window 5 plays the effect of conveniently observing data plate 1, and in addition, transparent window 5 can also play the fixed effect to data plate 1.

Preferably, transparent window 5 is the monoblock window that shows the data plate, and for the independent window of polylith, visual effect is better, and then improves market competition, seizes market share, lets manufacturing enterprise can continuously develop under abominable market environment.

In some embodiments of the present invention, the end surface of the transparent window 5 facing the nameplate 1 is provided with an annular window rib 51, and the annular window rib 51 abuts against the end surface of the nameplate 1 far away from the circuit board 4, and the annular window rib 51 is used for pressing the nameplate 1 on the circuit board 4, so as to improve the installation stability of the nameplate 1; meanwhile, in order to ensure the fixing effect of the nameplate 1, the annular window rib 51 is arranged at the edge of the transparent window 5.

Further, the terminal surface of transparent window 5 dorsad data plate 1 is equipped with spacing step 52, spacing step 52 and window hole 72 looks adaptation to increase the installation steadiness of transparent window 5 and upper cover 7, and then guarantee the fixed effect of transparent window 5 to data plate 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A metering device is characterized by comprising a nameplate, a support, a circuit board fixing piece and a circuit board;

the circuit board is arranged on the circuit board fixing part;

the support is provided with a hinge, the nameplate is hinged with the hinge and rotates along the hinge until the end face of the nameplate is abutted with the end face of the circuit board;

2. The metering device of claim 1, wherein an end of the upper cover facing the nameplate is provided with an upper cover rib, and the upper cover rib abuts against an end face of the nameplate away from the circuit board.

3. The metering device of claim 1, further comprising a transparent window, wherein the upper cover is provided with a window hole, the transparent window is arranged in the window hole, and the transparent window is abutted against the end face of the nameplate far away from the circuit board.

4. The metering device of claim 3, wherein the end surface of the transparent window facing the nameplate is provided with an annular window rib, and the annular window rib abuts against the end surface of the nameplate far away from the circuit board.

5. The metering device of claim 1, wherein the circuit board fixing member comprises a mounting stud disposed on the base, and a mounting hole is disposed on the circuit board, and the mounting stud is inserted into the mounting hole.

6. The metering device of claim 5, wherein the circuit board mount further comprises a limiting post, the limiting post is disposed on the base, and the limiting post abuts against an end surface of the circuit board away from the nameplate.

7. The metering device of claim 5, wherein said mounting stud is provided with an annular groove opening around a side wall of said mounting stud;

8. The metering device of claim 7, wherein the annular groove is disposed proximate an end of the mounting stud facing the circuit board.

9. The metering device of claim 7, wherein an expansion joint is arranged on the circuit board, and the expansion joint is distributed outside the mounting hole and is communicated with the mounting hole.

10. The metering device of claim 5, wherein the end of the mounting stud facing the circuit board is provided with an opening, the opening is formed along the axial direction of the mounting stud, and the end of the mounting stud near the circuit board is cut into a first portion and a second portion which are separated from each other.