CN209803205U

CN209803205U - Meter with cover opening detection button

Info

Publication number: CN209803205U
Application number: CN201822267335.6U
Authority: CN
Inventors: 吴永辉; 陈欢
Original assignee: Ningbo Sanxing Smart Electric Co Ltd
Current assignee: Ningbo Sanxing Smart Electric Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2019-12-17
Anticipated expiration: 2028-12-29

Abstract

The utility model relates to a meter gauge with uncap and detect button, including base and table lid, be provided with the PCB board on the base, and be provided with the end button box in one side of its length direction on this base, be provided with uncap on the PCB board and detect the button, this uncap detects the button and has the carbon film of being connected with the contact electricity of the on-off position on the PCB board, uncap and detect the button towards the end button box, be provided with lead sealing on the base, lead sealing's head end has the lead sealing hole that supplies lead sealing wire to wear out, lead sealing's tail end has the projection that detects the button orientation extension towards uncap, be in the assembly state that finishes at the table lid, the projection offsets with uncap detection button, and the carbon film that should uncap and detect the button is connected with the contact electricity on the PCB. Lead sealing spare had both been regarded as lead sealing and had been used, realized that follow-up lead sealing to the table lid is fixed, and the detection button that uncaps on the PCB board cooperatees again and uses, realizes the detection that opens and shuts to the table lid, need not to set up in addition and uncap detection button matched with part, has reduced the processing cost, and structural design is reasonable.

Description

Meter with cover opening detection button

Technical Field

The utility model relates to a meter, concretely relates to meter with uncap and detect button.

Background

an electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt-hour meter, and is an instrument for measuring various electric quantities.

Current electric energy meter, like the chinese utility model patent "a three-phase anti-electricity-theft electric energy meter" that patent number is CN200720038502.9 (the grant bulletin number is CN201083783Y), this electric energy meter includes drain pan, the table lid, the second PCB board, current transformer, the second PCB board, public terminal box, insulating threading pipe etc. there is the entrance hole top face of drain pan, there is public terminal box bottom the drain pan inner chamber, there is insulating threading pipe between public terminal box and the entrance hole, current transformer wears on insulating threading pipe, the ammeter inlet wire passes insulating threading pipe from the entrance hole and inserts public terminal box, the ammeter is qualified for the next round of competitions and directly inserts public terminal box. The electric energy meter is not provided with the cover opening detection button, and when the cover opening phenomenon occurs, the electric energy meter is not prompted, so that the risk of electricity stealing is increased.

If chinese utility model patent "ammeter shell" of patent No. CN201720913468.9 (grant publication No. CN206990650U) again, this electric energy meter casing includes the base, sets up the end button box at the base lower extreme, sets up the main lid in base upper end, and the articulated end cover that sets up and to open in main lid bottom, the end cover covers when closed the end button box, be equipped with at least one first lead sealing structure on the end cover, first lead sealing structure includes the arch that sets up on end button box or the base, be equipped with the through-hole in the arch set up the perforation with protruding looks adaptation on the end cover fenestrate both sides are equipped with the line hole respectively, set up the recess along crossing line hole both sides, the last line hole of crossing of perforating close on end button box at this end cover with through-hole looks adaptation. Above-mentioned patent realizes the fixed of end cover through the lead sealing, but also does not have the detection button that uncaps in this electric energy meter, when the phenomenon of uncapping appears, does not have the suggestion, has increased the risk of stealing the electricity.

Therefore, further improvements to existing electricity meters are needed.

SUMMERY OF THE UTILITY MODEL

the utility model aims to solve the technical problem to provide a lead sealing that can realize the table lid through the lead sealing is fixed to the current situation to above-mentioned prior art, can detect again that the table lid is opened have the table meter that uncaps and detect the button.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a table meter with detection button uncaps, is including base and the table lid of setting on the base, be provided with the PCB board on the base, and be provided with the terminal box in one side of its length direction on this base, be provided with the detection button that uncaps on the PCB board, this detection button that uncaps has the carbon film of being connected with the contact electricity of the on-off position on the PCB board, its characterized in that: the uncap detects the button orientation the terminal button box, be provided with the lead sealing spare on the base, the head end of lead sealing spare has the lead sealing hole that supplies the lead sealing line to wear out, the tail end of lead sealing spare has the projection towards uncap detection button direction extension, is in under the state that the assembly finishes at the table lid, the projection offsets with uncap detection button, and the carbon film of this uncap detection button is connected with the contact electricity on the PCB board.

In order to prevent the lead seal from moving in the width direction of the base when the lead seal is in the mounting completion state, the base is provided with a positioning plate extending upwards, correspondingly, the outer side wall of the convex column is provided with an extending part extending towards the direction of the cover opening detection button, a positioning hole matched with the positioning plate is formed between the extending part and the convex column, and the positioning plate is inserted into the positioning hole when the meter cover is in the mounting completion state.

Specifically, the outer side wall of the convex column is provided with a convex plate extending outwards, the tail end of the extending part is connected to the convex plate, and the positioning hole is formed between the extending part and the convex plate. The existence of the convex plate increases the strength of the lead seal convex column.

In order to increase the elasticity of the stud and reduce the occurrence of breakage of the stud during rotation of the lead seal, said stud has, adjacent to the tail end, an annular portion in the form of a ring, said annular portion being located between the tail end and the extension of the stud.

In order to realize the installation of the convex column and the meter cover, the convex column is provided with an external thread which is positioned between the extension part and the head end of the convex column, correspondingly, the meter cover is provided with a through hole which extends along the length direction of the meter cover and is used for the convex column to penetrate through, and the through hole is internally provided with an internal thread matched with the external thread.

In order to enhance the strength of the convex column, a reinforcing rib is arranged on the outer side wall of the convex column.

In order to increase the contact area with the uncovering detection button, the tail end of the convex column is provided with an end part with an enlarged area, and the end part is abutted against the uncovering detection button when the watch cover is in an assembled state.

preferably, the terminal box and the base are integrated.

In order to protect the terminal box, an end cover is arranged on the base at the position of the terminal box, and the end cover is detachably arranged on the base.

in order to facilitate the installation of the end cover, the end cover is provided with an extension plate extending downwards, the end button box is provided with a positioning groove for the extension plate to be inserted, and the extension plate is positioned in the positioning groove when the end cover is in an assembled state.

Compared with the prior art, the utility model has the advantages of: this head end of the lead sealing of meter with uncap and detect button has the lead sealing hole that supplies the lead sealing line to wear out, the tail end has the projection towards uncap detection button direction extension, this lead sealing both has been regarded as lead sealing and has been used promptly, it is fixed to realize follow-up lead sealing to the table lid, again with the uncap on the PCB board detect the button and cooperate and use, realize the detection of opening and shutting the table lid, the table lid is established on the base promptly, and behind the installation lead sealing, its tail end can detect the button with uncap and offset, the lead sealing line can be worn to establish by the head end, need not to set up in addition and uncap and detect button matched with other parts, the processing cost is reduced, its structural design is more reasonable, compact.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

Fig. 2 is a partial schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

Fig. 4 is a schematic structural diagram of a lead seal according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of an embodiment of the invention;

FIG. 6 is an enlarged view of portion A of FIG. 5;

Fig. 7 is a schematic structural diagram of a watch cover according to an embodiment of the present invention;

Fig. 8 is a schematic structural diagram of an end cover according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 8, the utility model discloses a meter with uncap detection button is including base 1, table lid 2, PCB board 3, end cover 4, wherein, table lid 2 sets up on base 1, PCB board 3 sets up on base 1, and be provided with end button box 11 in one side of its length direction on this base 1, end button box 11 is located the front side position of base 1, this end button box 11 is integrative with base 1, in the in-process that the meter used, prevent to prize base and end button box 11, the danger that prevents to steal the electricity has been increased.

As shown in fig. 2 and 3, a cover opening detection button 31 is disposed on the PCB 3, the cover opening detection button 31 is disposed in the front of the PCB 3, the cover opening detection button 31 has a carbon film electrically connected to a contact of a switch position on the PCB 3, the cover opening detection button 31 faces the terminal box 11, the base 1 is provided with a lead sealing part 12, a head end of the lead sealing part 12 has a lead sealing hole 121 through which a lead sealing line penetrates, a tail end of the lead sealing part 12 has a convex pillar 122 extending towards the direction of the cover opening detection button 31, a tail end of the convex pillar 122 has an end 1226 with an enlarged area, when the watch cover 2 is in an assembled state, the end 1226 of the convex pillar 122 abuts against the cover opening detection button 31, and the carbon film of the cover opening detection button 31 is electrically connected to the contact on the PCB 3.

in order to prevent the lead seal from moving in the lead seal finished state, as shown in fig. 3 and 6, the base 1 has an upward extending positioning plate 13, correspondingly, the outer side wall of the boss 122 has an extending portion 1221 extending toward the cap detection button 31, a positioning hole 1222 matching with the positioning plate 13 is formed between the extending portion 1221 and the boss 122, specifically, the outer side wall of the boss 122 has an outward extending convex plate 1223, the tail end of the extending portion 1221 is connected to the convex plate 1223, the positioning hole 1222 is formed between the extending portion 1221 and the convex plate 1223, and the positioning plate 13 is inserted into the positioning hole 1222 in the assembled state of the bezel 2. In this embodiment, a sidewall of the positioning plate 13 adjacent to the extending portion is arc-shaped.

In order to increase the elasticity of the stud and reduce the occurrence of fracture during rotation of the lead seal around its axis, as shown in fig. 4, the stud 122 has an annular portion 1224 adjacent to the trailing end, the annular portion 1224 being located between the trailing end of the stud 122 and the extension 1221, the presence of the annular portion 1224 increasing the flexibility of the lead seal stud and increasing the service life of the lead seal. In addition, in order to increase the strength of the stud, a reinforcing rib 1227 is provided on an outer sidewall of the stud 122.

In order to mount the lead seal on the watch cover, the convex column 122 is provided with an external thread 1225, the external thread 1225 is located between the extending portion 1221 and the head end of the convex column 122, correspondingly, the watch cover 2 is provided with a through hole 21 extending along the length direction thereof, the through hole 21 is provided with an internal thread matching with the external thread 1225, and in addition, the side wall of the through hole 21 is provided with a through hole 211 communicated with the corresponding lead seal hole 121.

As shown in fig. 1, the end cap 4 is located at the position of the terminal box 11 and is disposed above the terminal box 11, and in this embodiment, the end cap 4 is detachably disposed on the base 1. In this embodiment, the end cap 4 has an extending plate 41 extending downward, the button box 11 has a positioning groove 111 for the extending plate 41 to be inserted, and when the end cap 4 is in the assembled state, the extending plate 41 is located in the positioning groove 111. In addition, in this embodiment, the inner side wall of the end cover has an insertion plate 42 extending downward, the extension plate 41 is connected to the insertion plate 42, and correspondingly, the button box 11 has a slot into which the insertion plate 42 is inserted.

In order to realize the installation of the PCB, as shown in fig. 5, two oppositely arranged inner side walls of the base 1 are provided with connecting plates 14 extending upwards, the connecting plates 14 are provided with buckles 141 for clamping the PCB 3, and the buckles 141 are clamped at corresponding edge positions of the PCB 3 when the PCB is in an installed state.

In this embodiment, the specific structure mainly used for protecting the lead seal and the setting mode corresponding to the uncovering detection button are similar to those of the existing electric meter in terms of the circuit connection relation and the like involved in the meter, and detailed description is not repeated in this application.

Claims

1. The utility model provides a table meter with uncap detection button, is including base (1) and table lid (2) of setting on base (1), be provided with PCB board (3) on base (1), and be provided with terminal button box (11) in one side of its length direction on this base (1), be provided with uncap detection button (31) on PCB board (3), this uncap detection button (31) have with PCB board (3) on the carbon film of switch position's contact electricity connection, its characterized in that: uncap and detect button (31) orientation terminal button box (11), lead sealing spare (12) have in setting up on base (1), the head end of lead sealing spare (12) has lead sealing hole (121) that supply lead sealing line to wear out, the tail end of lead sealing spare (12) has projection (122) towards uncap and detect button (31) orientation extension, is in under the state that finishes at table lid (2), projection (122) and uncap detect button (31) counterbalance, and the carbon film of this uncap detect button (31) is connected with the contact electricity on PCB board (3).

2. The meter with a door-open detection button according to claim 1, wherein: the base (1) is provided with a positioning plate (13) extending upwards, correspondingly, the outer side wall of the convex column (122) is provided with an extending part (1221) extending towards the direction of the cover opening detection button (31), a positioning hole (1222) matched with the positioning plate (13) is formed between the extending part (1221) and the convex column (122), and the positioning plate (13) is inserted into the positioning hole (1222) when the watch cover (2) is in an assembled state.

3. The meter with a door-open detection button according to claim 2, wherein: the outer side wall of the convex column (122) is provided with a convex plate (1223) extending outwards, the tail end of the extension part (1221) is connected to the convex plate (1223), and the positioning hole (1222) is formed between the extension part (1221) and the convex plate (1223).

4. The meter with a door-open detection button according to claim 2, wherein: the lug (122) has an annular ring (1224) adjacent the trailing end, the ring (1224) being located between the trailing end of the lug (122) and the extension (1221).

5. A meter with a door-open detection button according to any one of claims 1 to 4, wherein: be provided with external screw thread (1225) on projection (122), external screw thread (1225) are located between the head end of extension (1221) and projection (122), correspondingly, set up on table lid (2) along its length direction extension and supply through-hole (21) that projection (122) wore to establish, be provided with the internal thread with external screw thread (1225) matched with in through-hole (21).

6. The meter with a door-open detection button of claim 5, wherein: and a reinforcing rib (1227) is arranged on the outer side wall of the convex column (122).

7. The meter with a door-open detection button according to claim 1, wherein: the tail end of the convex column (122) is provided with an end part (1226) with an enlarged area, and the end part (1226) is abutted against the cover opening detection button (31) when the meter cover (2) is in an assembled state.

8. The meter with a door-open detection button according to claim 1, wherein: the terminal box (11) and the base (1) are integrated.

9. the meter with a door-open detection button of claim 8, wherein: an end cover (4) is arranged on the base (1) at the position of the terminal box (11), and the end cover (4) can be detachably arranged on the base (1).

10. The meter with a door-open detection button of claim 8, wherein: the end cover (4) is provided with an extension plate (41) extending downwards, the end button box (11) is provided with a positioning groove (111) for the extension plate (41) to be inserted, and the extension plate (41) is positioned in the positioning groove (111) when the end cover (4) is in an assembled state.