CN102543529A

CN102543529A - Electric energy meter and key sealing component thereof

Info

Publication number: CN102543529A
Application number: CN2011103531390A
Authority: CN
Inventors: 李刚强; 李霓
Original assignee: SHENZHEN TECHRISE ELECTRONICS CO Ltd
Current assignee: SHENZHEN TECHRISE ELECTRONICS CO Ltd
Priority date: 2011-11-09
Filing date: 2011-11-09
Publication date: 2012-07-04
Anticipated expiration: 2031-11-09
Also published as: CN102543529B

Abstract

The invention is suitable for the technical field of electric energy meters, and particularly relates to an electric energy meter and a key sealing component thereof. The component comprises a meter cover, a key embedded in the meter cover and an elastic element, wherein the key comprises a key cap and a key pillar protruded out of the inner surface of the key cap; the meter cover is provided with an accommodating cavity which is protruded inwards and used for accommodating the key cap and part of the key pillar; a through hole is formed in the bottom of the accommodating cavity; the key pillar passes through the through hole; the elastic element is elastically supported between the key cap and the bottom of the accommodating cavity; a convex ring encircling the key pillar is outwards protruded out of the bottom of the accommodating cavity; a sealing sleeve is sleeved on the peripheral wall surface of the convex ring; and the sealing ring is used for sealing the ring opening of the convex ring. According to the component, a sealed structure is formed by arranging the sealing sleeve and is well waterproof; and the structure is simple and compact, and the production cost is saved. Furthermore, a sealing ring is provided; and therefore, water cannot penetrate into the component from the through hole, and the waterproof capacity is further improved.

Description

Electric energy meter and button black box thereof

Technical field

The present invention relates to the electric energy meter product scope, relate to a kind of electric energy meter and button black box thereof particularly.

Background technology

Popularizing of Along with people's household electrical appliance, People more and more depend on the living environment of electricity, and electric energy meter resident's daily life or enterprises and institutions operate one of requisite electronic component especially.Because electric energy meter is in the domestic environment or the environment of plant, and places usually on the open-air wall, easy contact with water, therefore, waterproof is the problem that electric energy meter must overcome.

Button part for example in the structure of electric energy meter, the structure of these parts has the slit, is the emphasis of waterproof.Electric energy meter button waterproof ability is lower in the market, or complex structure, higher, the production inconvenient installation of cost.

Summary of the invention

In view of this, provide that a kind of waterproof ability is strong, compact conformation, electric energy meter button black box that cost is low, and the electric energy meter with this electric energy meter button black box.

A kind of electric energy meter button black box; Comprise the table lid, be embedded at button, flexible member in the table lid, said button comprises button cap and the button post that is protruded out by the button cap inner surface, and said table covers to have and inwardly protrudes out the cavity of accommodating that is used to accommodate button cap and local button post; Said bottom of accommodating cavity has through hole; Said button post runs through said through hole, and said flexible member resiliency supported is in button cap and accommodate between the bottom of cavity, and said bottom of accommodating cavity protrudes out the bulge loop around the button post outside the chamber; The periphery wall of said bulge loop is arranged with sealing shroud, and said sealing shroud seals the collar extension of said bulge loop.

And; A kind of electric energy meter; Comprise base, be located at mainboard and above-mentioned electric energy meter button black box on the base; Said mainboard is provided with switch key, and the table lid of said electric energy meter button black box is suitable with said base, and the button styletable face of said electric energy meter button black box and switch key surface are relatively.

In above-mentioned electric energy meter button black box and electric energy meter,, can button post, through hole, bulge loop sealing can be carried out waterproof well through sealing shroud is set.Such hermetically-sealed construction compact is saved production cost greatly.In addition, also sealing ring can be set further, water is not easy to be penetrated into the inside from through hole, further strengthens waterproof ability.

Description of drawings

Below in conjunction with accompanying drawing embodiments of the invention are described, wherein:

Fig. 1 illustrates the cross-section structure of the electric energy meter button black box that the embodiment of the invention provides;

Fig. 2 is the biopsy cavity marker devices sketch map of the electric energy meter button black box among Fig. 1.

Embodiment

Below based on accompanying drawing specific embodiment of the present invention is further elaborated.Should be appreciated that specific embodiment described herein as just instance, and be not used in qualification protection scope of the present invention.

See also Fig. 1 and 2; The electric energy meter button black box 10 that shows the embodiment of the invention; It comprises that table cover 11, is embedded at table and cover button 12, the flexible member 13 in 11, and button 12 comprises button cap 121 and the button post 122 that is protruded out by button cap 121 inner surfaces 120, show to cover 11 have inwardly protrude out be used to accommodate button cap 121 and local button post 122 accommodate cavity 110; The bottom 111 of accommodating cavity 110 has through hole 112; Button post 122 runs through through hole 112, and flexible member 13 resiliency supported are in button cap 122 and accommodate between the bottom 111 of cavity 110, and the bottom 111 of accommodating cavity 110 protrudes out the bulge loop 113 around button post 122 outside cavity 110; The periphery wall of bulge loop 113 is arranged with sealing shroud 15, the collar extension of sealing shroud 15 sealing bulge loops 113.

Particularly, table covers on 11 and can be embedded with one or more buttons 12 at ad-hoc location, is example with a press-key structure among the figure.Bulge loop 113 can have certain interval with the sidewall of accommodating cavity 110, also has certain interval with the bore edges of through hole 112.

Further, the part that button post 122 runs through through hole 112 is arranged with sealing ring 14, sealing ring 14 sealing through holes 112.Particularly, button post 122 can be the structure of one or the structure that links into an integrated entity through connected modes such as screw threads with button cap 121.Preferably, button post 122 has cannelure 124, and sealing ring 14 is fixed on the cannelure 124, and for example, sealing ring 14 is embedded in the cannelure 124.

Preferably, sealing shroud 15 is the silica gel sealing cover, and the periphery wall that can be close to bulge loop 113 forms tight seal.Sealing shroud 15 comprises the connecting portion 153 of the ring portion 151 of the periphery wall that fits in bulge loop 113, the press section 152 that fits in button post 122 end faces, connection ring portion 151 and press section 152.Connecting portion 153 can be elastomeric element, if be elastomeric element, ring portion 151 can be fixed on the bulge loop 113; Connecting portion 153 also can be non-elastomeric element, and is as shown in the figure at this moment, and connecting portion 153 is placed on the bulge loop 113 slidably.In another embodiment, whole sealing shroud 15 is elastomeric element, for example elastic caoutchouc.

Press section 152 is a circular flat structure; It relies on button post 122 end faces, moves up and down with button post 122 end faces during pressing keys cap 121, and press section 152 can be the silica gel sheet; Have certain elasticity, be convenient to button post 122 and closely contact with the switch key surface.Further, the bottom 154 of ring portion 151 is lower than press section 152, thereby ring portion 151 constitutes an annular ditch groove 155 with connecting portion 153.Like this, even there is water to penetrate into, also be to rest in the annular ditch groove 155, can not cause damage to the PCB mainboard.

Further; As shown in Figure 1, the end face of button post 122 be located at switch key 17 surface on the mainboard 21 relatively, preferably; The ring width of the ring portion 151 of sealing shroud 15 (being the axial height of ring portion 151) is greater than the distance between button post 122 end faces and switch key 17 surfaces; Like this, when button post 122 was pressed against the end, the ring portion 151 of sealing shroud 15 had enough width and can not deviate from from bulge loop 113.

Flexible member 13 is preferably spring, accommodates the bottom 111 of cavity 110 and in cavity 110, extends a flange 116 around button post 122 by the peritreme of through hole 112, and spring housing is located on the flange 116.Flange 116 also can help waterproof, when water gets into cavity 110, in prevention water further infiltrates through through through hole 112.

As shown in Figure 1, show electric energy meter 20 with above-mentioned button black box 10, comprise that base 22 is located at mainboard 21 and this button black box 10 on the base 22; Mainboard 21 is provided with switch key 17, and the table lid 11 of button black box 10 is suitable with base 22, for example connects through screw or the buckle structure fastening; Button post 122 end faces of button black box 10 are relative with switch key 17 surfaces, and during pressing keys cap 121, button post 122 sinks; Be pressed on the switch key 17 touch switch.

Can know by said structure,, can button post 122, through hole 112, bulge loop 113 sealings can be carried out waterproof well through sealing shroud 15 is set.Such hermetically-sealed construction compact is saved production cost.In addition, also sealing ring 14 can be set further, water is not easy to be penetrated into the inside from through hole 112, further strengthens waterproof ability.

The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims

1. electric energy meter button black box, it comprises the table lid, is embedded at button, flexible member in the table lid, and said button comprises button cap and the button post that is protruded out by the button cap inner surface; Said table covers to have and inwardly protrudes out the cavity of accommodating that is used to accommodate button cap and local button post; Said bottom of accommodating cavity has through hole, and said button post runs through said through hole, and said flexible member resiliency supported is in button cap and accommodate between the bottom of cavity; It is characterized in that; Said bottom of accommodating cavity protrudes out the bulge loop around the button post outside the chamber, the periphery wall of said bulge loop is arranged with sealing shroud, and said sealing shroud seals the collar extension of said bulge loop.

2. electric energy meter button black box as claimed in claim 1 is characterized in that the part that said button post runs through said through hole is arranged with sealing ring, and said sealing ring seals said through hole.

3. electric energy meter button black box as claimed in claim 2 is characterized in that said button post has cannelure, and said sealing ring is fixed on the said cannelure.

4. electric energy meter button black box as claimed in claim 1 is characterized in that said sealing shroud is the silica gel sealing cover.

5. electric energy meter button black box as claimed in claim 1 is characterized in that, said sealing shroud comprises the connecting portion of the ring portion of the periphery wall that fits in said bulge loop, the press section that fits in said button styletable face, the said ring portion of connection and press section.

6. electric energy meter button black box as claimed in claim 5; It is characterized in that; Said button styletable face be located at a switch key surface on the mainboard relatively, the ring width of the ring portion of said sealing shroud is greater than the distance between said button styletable face and the switch key surface.

7. electric energy meter button black box as claimed in claim 5 is characterized in that, said connecting portion is that elastomeric element or whole sealing shroud are elastomeric element, and said ring portion is fixed on the said bulge loop or is placed in slidably on the said bulge loop.

8. electric energy meter button black box as claimed in claim 5 is characterized in that the bottom of said ring portion is lower than said press section, and said ring portion and connecting portion constitute an annular ditch groove.

9. electric energy meter button black box as claimed in claim 1; It is characterized in that; Said flexible member is a spring, and a flange around said button post is extended by the peritreme of said through hole in said bottom of accommodating cavity in cavity, and said spring housing is located on the said flange.

10. electric energy meter; Comprise base and be located at the mainboard on the base; Said mainboard is provided with switch key, it is characterized in that, also comprises arbitrary described electric energy meter button black box like claim 1-9; The table lid of said electric energy meter button black box is suitable with said base, and the button styletable face of said electric energy meter button black box and switch key surface are relatively.