CN210321862U

CN210321862U - Gas meter

Info

Publication number: CN210321862U
Application number: CN201921593023.2U
Authority: CN
Inventors: 张洪灏; 虞赞; 郑艳霞
Original assignee: Zhejiang Chint Instrument and Meter Co Ltd
Current assignee: Zhejiang Chint Instrument and Meter Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-04-14
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a gas meter, include: the base meter is internally provided with a core assembly for measuring the gas flow; the control device comprises a base and a shell, wherein the base is arranged on the side surface of the base surface and is provided with a first accommodating cavity and a second accommodating cavity which are isolated from each other, a control assembly is placed in the first accommodating cavity, and a battery assembly is placed in the second accommodating cavity; the shell includes the operation mouth that is close to the shell lower extreme, operation mouth intercommunication second holds the chamber, the operation gauze mask is equipped with flip, makes flip lid closes the second holds the chamber. Through the first chamber and the second chamber that hold that is provided with mutual isolation on the base for battery pack and control assembly separate, mutually noninterfere has avoided producing the influence to control assembly when changing battery pack.

Description

Gas meter

Technical Field

The utility model relates to a gas table technical field, concretely relates to gas table.

Background

The current gas meter mostly places battery pack and control circuit board in same installation intracavity, when battery pack is under-voltage and needs to be changed, makes control circuit board receive the influence easily at the in-process of changing battery pack.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a gas table when changing the battery, can not exert an influence to the control scheme board.

A gas meter, comprising:

the base meter is internally provided with a core assembly for measuring the gas flow;

the control device comprises a base and a shell, wherein the base is arranged on the side surface of the base surface and is provided with a first accommodating cavity and a second accommodating cavity which are isolated from each other, a control assembly is placed in the first accommodating cavity, and a battery assembly is placed in the second accommodating cavity;

the shell includes the operation mouth that is close to the shell lower extreme, operation mouth intercommunication second holds the chamber, the operation gauze mask is equipped with flip, makes flip lid closes the second holds the chamber.

Further, the base still includes the intercommunication shutoff subassembly, the intercommunication shutoff subassembly includes the shutoff piece and locates the intercommunication passageway on the base, the intercommunication passageway intercommunication first hold the chamber with the second holds the chamber in order to allow the wire passageway, the shutoff piece shelters from the intercommunication passageway, wherein the wire electricity is connected the control subassembly with battery pack.

Further, the communicating channel comprises a first communicating port and a second communicating port, the first communicating port is arranged on the base of the first accommodating cavity, and the second communicating port is arranged on the base of the second accommodating cavity.

Further, the communicating channel further comprises a connecting groove, the connecting groove is formed in the base and is close to the side face of the base table, and the connecting groove is connected with the first communicating opening and the second communicating opening.

Furthermore, the plugging piece is provided with a line pressing bulge, and the line pressing bulge is located in the connecting groove and is abutted to the lead.

Further, the intercommunication shutoff subassembly still includes the faying surface, the faying surface is located the base is kept away from one side of base table, and the orientation is close to the sunken setting of direction of base table, shutoff piece joint in the faying surface on the intercommunication passageway periphery.

Further, be equipped with a plurality of trips on the shutoff piece, the trip is blocked respectively and is located overlap joint face on the first intercommunication mouth periphery with overlap joint face on the second intercommunication mouth periphery.

Further, the shell includes a frame, the outer frame body of the base includes a first outer circumferential surface, a second outer circumferential surface and a step surface connecting the first outer circumferential surface and the second outer circumferential surface, the end surface of the frame of the shell abuts against the step surface of the base, and the inner wall surface of the frame of the shell at least partially adheres to the second outer circumferential surface.

Furthermore, the housing further comprises a first inserting convex edge, the first inserting convex edge is formed by extending part of the inner wall surface of the housing towards the direction of the base, and the first inserting convex edge is abutted against the end surface of the cavity wall of the first accommodating cavity; and/or the second accommodating cavity opening cover is provided with a battery cover, the battery cover is provided with a second inserting convex edge, and the second inserting convex edge is abutted to the cavity wall end surface of the second accommodating cavity.

Furthermore, a first inserting groove is formed in the end face of the cavity wall of the first accommodating cavity, the first inserting convex edge is inserted into the first inserting groove, and a sealing element is arranged at a first inserting position formed by the first inserting convex edge and the first inserting convex edge; and/or a second inserting groove is formed in the end face of the cavity wall of the second accommodating cavity, the second inserting convex edge is inserted into the second inserting groove, and a sealing element is arranged at a second inserting position formed by the second inserting convex edge and the second inserting groove.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of gas meter, include: the base meter is internally provided with a core assembly for measuring the gas flow; the control device comprises a base and a shell, wherein the base is arranged on the side surface of the base surface and is provided with a first accommodating cavity and a second accommodating cavity which are isolated from each other, a control assembly is placed in the first accommodating cavity, and a battery assembly is placed in the second accommodating cavity; the shell includes the operation mouth that is close to the shell lower extreme, operation mouth intercommunication second holds the chamber, the operation gauze mask is equipped with flip, makes flip lid closes the second holds the chamber. The gas table of this structure holds the chamber through being provided with the first chamber and the second that hold that keep apart each other on the base for battery pack and control assembly separate, and mutually noninterfere has avoided producing the influence to control assembly when changing battery pack.

2. The utility model provides a pair of gas meter, the base is still including intercommunication shutoff subassembly, intercommunication shutoff subassembly includes the shutoff piece and locates intercommunication passageway on the base, the intercommunication passageway intercommunication first hold the chamber with the second holds the chamber in order to allow the wire passageway, the shutoff piece shelters from the intercommunication passageway, wherein the wire electricity is connected the control assembly with battery pack. The gas table of this structure through being provided with intercommunication shutoff subassembly, after the first chamber and the second that hold of holding of lid such as shell hold the chamber, can make first chamber and the second of holding hold the chamber and obtain the sealed effect of preferred.

3. The utility model provides a pair of gas meter, the intercommunication passageway still includes the spread groove, the spread groove is located the base is close to the side of base table, the spread groove is connected first intercommunication mouth with second intercommunication mouth. The plugging piece is provided with a wire pressing bulge, and the wire pressing bulge is located in the connecting groove and is abutted to the lead. The gas meter with the structure can fix the conducting wire between the connecting groove and the line pressing lug through the connecting groove and the line pressing lug.

4. The utility model provides a pair of gas meter, intercommunication shutoff subassembly still includes the faying surface, the faying surface is located the base is kept away from one side of base table, and the orientation is close to the sunken setting of direction of base table, shutoff joint in the faying surface in the intercommunication passageway periphery. The gas meter of this structure through setting up shutoff piece joint in overlap joint face, is convenient for install, dismantles the shutoff piece.

5. The utility model provides a pair of gas meter, the shell includes the frame, the outer framework of base includes first outer peripheral face, the second is outer global and connects the first outer peripheral face and the outer global step face of second, the terminal surface butt of the frame of shell the step face of base, just the internal face at least part laminating of the frame of shell the second is outer global. The gas meter of this structure, the terminal surface butt base through the frame that sets up the shell step face can prevent steam entering first holding chamber and second holding intracavity effectively.

6. The utility model provides a gas meter, the chamber wall end face of the first accommodating cavity is provided with a first inserting groove, the first inserting convex edge is inserted in the first inserting groove, and a first inserting part formed by the first inserting groove and the first inserting convex edge is provided with a sealing element; and/or a second inserting groove is formed in the end face of the cavity wall of the second accommodating cavity, the second inserting convex edge is inserted into the second inserting groove, and a sealing element is arranged at a second inserting position formed by the second inserting convex edge and the second inserting groove. The gas meter of this structure through setting up the sealing member, can make first chamber and the second of holding hold the sealed effect that the chamber obtained the preferred.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 structural diagram of a gas meter provided in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the gas meter shown in FIG. 1;

FIG. 3 is a schematic structural view of the first cover shown in FIG. 1;

FIG. 4 is a schematic view of the base and the closure member shown in FIG. 2;

FIG. 5 is a schematic structural view of the base shown in FIG. 4;

FIG. 6 is a schematic structural view of the second cover shown in FIG. 1;

FIG. 7 is an enlarged view of a portion of the first cover and base shown in FIG. 2;

FIG. 8 is an enlarged partial view of the second bezel and base shown in FIG. 2;

FIG. 9 is a schematic view of the communication plugging assembly shown in FIG. 4;

FIG. 10 is a schematic view of the structure of the communication channel shown in FIG. 9;

figure 11 is a schematic view of the closure of figure 9;

description of reference numerals:

1-base table;

2-a base, 21-a first accommodating cavity, 22-a second accommodating cavity, 23-a second peripheral surface, 24-a first insertion groove, 25-a second insertion groove, 26-a first peripheral surface;

31-shell, 311-operation opening, 312-frame, 313-first plug convex edge, 32-flip, 321-second plug convex edge, and 33-battery cover;

41-communication channel, 411-first communication port, 412-second communication port, 413-connection groove, 42-blocking piece, 421-line pressing protrusion, 422-clamping hook;

5-a seal;

6-lapping surface;

7-battery.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all 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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

A gas meter as shown in fig. 1 to 11 includes a base table 1 and a control device, and the control device can manage the base table 1 and display related information. The control device comprises a base 2 and a housing 31. Wherein, a core assembly used for measuring the gas consumption is arranged in the base table 1.

Base 2 in this embodiment is located base table 1 side, and base 2 includes that mutual isolation's first chamber 21 and the second chamber 22 that holds, and wherein control assembly has been placed to first chamber 21 that holds, and battery pack has been placed to second chamber 22 that holds. Referring to fig. 4, the adjacent first accommodating chamber 21 and the second accommodating chamber 22 have a space therebetween, and are separated from each other. Of course, the first accommodating chamber 21 and the second accommodating chamber 22 may also be separated by a chamber wall, that is, the adjacent positions of the first accommodating chamber 21 and the second accommodating chamber 22 share a chamber wall. Wherein the control assembly comprises a control circuit board; the battery assembly comprises a battery 7 and electrodes, wherein the battery 7 is electrically connected to the electrodes, and the electrodes are electrically connected to the control circuit board through leads.

Referring to fig. 1 and 3, the housing 31 in this embodiment covers the base 2, the housing 31 includes an operation opening 311 near the lower end of the housing 31, the operation opening 311 is communicated with the second accommodating chamber 22, the operation opening 311 is covered with the flip 32, and the flip 32 covers the second accommodating chamber 22.

As shown in fig. 2, 4, 5, 7 and 8, the housing 31 includes a rim 312 and a first inserting convex edge 313, and the first inserting convex edge 313 is formed by extending a part of the inner wall of the housing 31 facing the direction of the base 2. The outer frame of the base 2 includes a first outer peripheral surface 26, a second outer peripheral surface 23 and a step surface, the first outer peripheral surface 26 and the second outer peripheral surface 23 are connected through the step surface, that is, the cross section of the outer frame of the base 2 is stepped, and the second outer peripheral surface 23 is disposed on the base 2 and extends toward a direction away from the base table 1.

Specifically, the end face of the frame 312 of the housing 31 abuts against the step face of the base 2, the inner wall face of the frame 312 at least partially abuts against the second outer circumferential surface 23, the first inserting convex edge 313 is inserted into the first inserting groove 24 on the end face of the cavity wall of the first accommodating cavity 21, and a sealing member 5 is arranged at a first inserting position formed by the two. As an alternative embodiment, it may be provided that: the chamber wall end face of the first accommodating chamber 21 is provided with a first inserting convex edge, the first inserting groove is arranged on the inner wall face of the shell 31 and extends towards the first accommodating chamber 21, and only the requirement that the first inserting groove and the first inserting convex edge are inserted is met.

By providing the frame 312 and the second outer circumferential surface 23, moisture can be effectively prevented from entering the first accommodating chamber 21 and the second accommodating chamber 22.

As shown in fig. 2, 4, 5 and 8, the opening of the second receiving cavity 22 is covered by a battery cover 33, the battery cover 33 has a second inserting convex edge 321, and the frame 312 is located at the periphery of the second inserting convex edge 321. Specifically, the second inserting convex edge 321 is inserted into the second inserting groove 25 on the cavity wall of the second accommodating cavity 22, and a sealing member 5 is disposed at a second inserting position formed by the two. Alternatively, the second inserting convex edge is arranged on the cavity wall of the second accommodating cavity, and the second inserting groove is arranged on the battery cover 33, so that the battery cover 33 and the cavity wall of the second accommodating cavity can be inserted.

Alternatively, only one of the first plugging convex edge 313 plugged to the cavity wall of the first accommodating cavity 21 and the second plugging convex edge 321 plugged to the cavity wall of the second accommodating cavity 22 may be provided.

By providing the sealing member 5, after the housing 31 and the battery cover 33 are covered on the first accommodating chamber 21 and the second accommodating chamber 22, the first accommodating chamber 21 and the second accommodating chamber 22 can obtain a better sealing effect.

In this embodiment, the base 2 further includes a communication blocking assembly including a blocking piece 42 and a communication passage communicating the first accommodating chamber 21 and the second accommodating chamber 22 to allow the lead wire to pass therethrough, and the blocking piece 42 blocks the communication passage.

Referring specifically to fig. 2, 4 and 9, the communication passage includes a first communication port 411, a second communication port 412 and a connection groove 413. Wherein the first communication opening 411 is disposed on the base 2 of the first accommodating chamber 21; the second communication port 412 is provided in the base 2 located in the second accommodation chamber 22; the connection groove 413 is provided on the side surface of the base 2 close to the base table 1, and the first communication port 411 and the second communication port 412 are connected to the connection groove 413 shown in fig. 10. A lead wire enters the first accommodation chamber 21 through the first communication port 411 to be electrically connected to the control wiring board, and enters the second accommodation chamber 22 through the second communication port 412 to be electrically connected to the electrode, thereby achieving electrical connection of the control wiring board and the electrode through the lead wire.

As shown in fig. 9 to 11, a wire pressing protrusion 421 and a plurality of hooks 422 are provided on the plugging member 42, the wire pressing protrusion 421 is located in the connecting groove 413 and abuts against the conductive wire, and the hooks 422 are respectively clamped on the overlapping surface 6 on the periphery of the first communicating opening 411 and the overlapping surface 6 on the periphery of the second communicating opening 412 to realize that the plugging member 42 is clamped on the overlapping surface 6 on the periphery of the communicating passage. Wherein faying surface 6 locates the base 2 and keeps away from one side of base table 1, and the orientation is close to the sunken setting of the direction of base table 1, and the periphery of first intercommunication mouth 411 and second intercommunication mouth 412 is provided with the boss that is higher than the base 2 internal surface for block that steam gets into first chamber 21 and the second chamber 22 that holds.

By providing the connecting groove 413 and the crimping bump, the wire can be fixed therebetween. Through setting up shutoff piece 42 joint in faying face 6, be convenient for install, dismantle shutoff piece 42.

The utility model discloses a gas meter, through setting up first holding chamber 21 and second holding chamber 22 separately, make battery 7 subassembly and control assembly separate, mutual noninterference, have avoided producing the influence to the control assembly when changing the battery 7 subassembly; through being provided with intercommunication shutoff subassembly on the drain pan to after the shutoff subassembly has been installed, adopt epoxy resin encapsulating technology embedment shutoff subassembly's installation gap, avoid holding chamber 22 chamber wall department from first holding chamber 21 and second and cross the line, can make first holding chamber 21 and second hold chamber 22 and obtain the sealed effect of preferred.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A gas meter, comprising:

2. The gas meter of claim 1, wherein the base further comprises a communication plugging assembly, the communication plugging assembly comprises a plugging piece and a communication channel arranged on the base, the communication channel communicates the first accommodating cavity and the second accommodating cavity to allow a lead passage, the plugging piece shields the communication channel, and the lead electrically connects the control assembly and the battery assembly.

3. The gas meter according to claim 2, wherein the communication passage includes a first communication port provided in a base located in the first accommodation chamber and a second communication port provided in a base located in the second accommodation chamber.

4. The gas meter of claim 3, wherein the communication channel further comprises a connecting groove, the connecting groove is disposed on a side surface of the base close to the base meter, and the connecting groove connects the first communication port and the second communication port.

5. The gas meter as claimed in claim 4, wherein the plugging member is provided with a pressing protrusion, and the pressing protrusion is located in the connecting groove and abuts against the conducting wire.

6. The gas meter of claim 5, wherein the communication plugging assembly further comprises a lapping surface, the lapping surface is disposed on a side of the base away from the base surface and is recessed toward a direction close to the base surface, and the plugging member is clamped to the lapping surface on the periphery of the communication channel.

7. The gas meter according to claim 6, wherein a plurality of hooks are provided on the blocking member, and the hooks are respectively engaged with the engaging surface on the outer periphery of the first communicating port and the engaging surface on the outer periphery of the second communicating port.

8. The gas meter of claim 1, wherein the housing comprises a frame, the outer frame of the base comprises a first outer circumferential surface, a second outer circumferential surface and a step surface connecting the first outer circumferential surface and the second outer circumferential surface, an end surface of the frame of the housing abuts against the step surface of the base, and an inner wall surface of the frame of the housing at least partially abuts against the second outer circumferential surface.

9. The gas meter according to claim 8, wherein the housing further comprises a first insertion convex edge, the first insertion convex edge is formed by extending a part of the inner wall of the housing toward the base, and the first insertion convex edge abuts against the end surface of the cavity wall of the first accommodating cavity; and/or the second accommodating cavity opening cover is provided with a battery cover, the battery cover is provided with a second inserting convex edge, and the second inserting convex edge is abutted to the cavity wall end surface of the second accommodating cavity.

10. The gas meter according to claim 9, wherein a first insertion groove is formed in a wall end surface of the first accommodating chamber, the first insertion convex edge is inserted into the first insertion groove, and a sealing member is arranged at a first insertion position formed by the first insertion convex edge and the first insertion groove; and/or a second inserting groove is formed in the end face of the cavity wall of the second accommodating cavity, the second inserting convex edge is inserted into the second inserting groove, and a sealing element is arranged at a second inserting position formed by the second inserting convex edge and the second inserting groove.