CN216668862U

CN216668862U - Upper and lower shell fixing structure of gas meter

Info

Publication number: CN216668862U
Application number: CN202123361178.3U
Authority: CN
Inventors: 马晖; 朱宇翔; 丁行文; 刘小娜; 刘杰; 孙凡; 刘建垒; 单宝华; 李吉林; 张宇菲; 张连霞
Original assignee: Qingdao iTechene Technologies Co ltd
Current assignee: Qingdao iTechene Technologies Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-03
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a gas meter upper and lower shell fixing structure, which comprises an upper shell and a lower shell, wherein the top of the inner wall of the upper shell is fixedly connected with a third protection frame, the lower surface of the third protection frame is connected with a first protection frame in an attaching manner, the inner wall of the third protection frame is connected with a second protection frame in a limiting sliding manner, the first protection frame and the second protection frame are both fixedly connected with the upper surface of the lower shell, one protection frame is positioned on the outer side of the second protection frame, the lower surface of the lower shell is connected with two symmetrical screws in a penetrating manner, threaded holes matched with the screws are respectively formed in the first protection frame and the third protection frame, one end of the screw penetrating through the lower shell is sequentially screwed with the threaded holes in the first protection frame and the third protection frame, the upper surface of the lower shell is provided with a buckling groove matched with the contour of the upper shell, the lower surface of the upper shell is fixedly connected with a buckle matched with the buckling groove, the buckle is clamped with the buckling groove, the attractiveness of a gas meter is improved, and the installation cost is reduced, and the effect of convenient installation is achieved.

Description

Gas table inferior valve fixed knot constructs

Technical Field

The utility model relates to the technical field of gas meter structures, in particular to a gas meter upper and lower shell fixing structure.

Background

The fuel for people to cook in daily life is converted from the conventional energy sources with serious waste and pollution, such as firewood, coal and the like, into natural gas, coal gas, even clean energy sources, such as electricity and the like. The gas meter plays its role, and its automatic accumulation function makes it possible for those using natural gas or pipeline gas to know the gas consumption conveniently and to pay the gas consumption per month in cubic meter

The upper and lower shell fixing structure of the traditional gas meter is fixed by screws, and the fixing mode can cause the problems of poor appearance, increased cost, labor hour consumption and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gas meter upper and lower shell fixing structure which has the advantages of improving the attractiveness of a gas meter and being convenient to install and solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a gas meter upper and lower shell fixing structure comprises an upper shell and a lower shell, wherein the top of the inner wall of the upper shell is fixedly connected with a third protection frame, the lower surface of the protecting frame III is connected with a protecting frame I in a fitting manner, the inner wall of the protecting frame III is connected with a protecting frame II in a limiting and sliding manner, the first protective frame and the second protective frame are both fixedly connected on the upper surface of the lower shell, the first protective frame is positioned on the outer side of the second protective frame, the lower surface of the lower shell is connected with two symmetrical screws in a penetrating way, threaded holes matched with the screws are formed in the first protective frame and the third protective frame, one end of the screw penetrating through the lower shell is in threaded connection with threaded holes in the first protective frame and the third protective frame in sequence, the upper surface of lower casing offers the catching groove with last casing profile looks adaptation, the lower fixed surface of going up the casing is connected with the buckle with catching groove looks adaptation, buckle and catching groove joint.

Preferably, the upper surface of the first protection frame is provided with a sealing groove, a sealing ring is connected in the sealing groove in a clamping manner, the upper surface of the sealing ring is provided with a groove matched with the contour of the sealing ring, the groove is connected with the first convex frame in a clamping manner, and the upper surface of the first convex frame is fixedly connected with the lower surfaces of the third protection frame.

Preferably, the upper surface of the upper shell is provided with an observation window, and the observation window is made of transparent plastics.

Preferably, a connection ring is fixedly connected to the lower surface of the lower housing.

Preferably, the opposite sides of the first protective frame and the second protective frame are clamped with shock pads, and the shock pads are made of rubber.

Preferably, the lower surface of the upper shell is provided with a clamping groove, the upper surface of the lower shell is fixedly connected with a third convex frame matched with the clamping groove, and the third convex frame is clamped with the clamping groove.

Preferably, the width of sealing washer is less than the width of seal groove, the sealing washer is for the joint between one side of protection frame two and the seal groove inner wall to have protruding frame two, the upper surface and the three lower fixed surface of protection frame of protruding frame two are connected.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the common matching of the lower shell, the upper shell, the first protection frame, the second protection frame, the third protection frame, the buckle groove, the buckle, the threaded hole and the screw, the effects of improving the aesthetic property of the gas meter and facilitating the installation are achieved, and the problems that the appearance is not good, the cost is increased, the working hours are consumed and the like due to the fact that the traditional fixing structure of the upper shell and the lower shell of the gas meter is fixed by only adopting the screw are solved;

2. according to the utility model, through the common matching of the first protection frame, the second protection frame, the third protection frame, the sealing groove, the sealing ring, the first convex frame and the second convex frame, the sealing performance of the gas meter is improved, the dustproof and waterproof effects of the gas meter are enhanced, and the problem that the service life of the gas meter is shortened due to the poor sealing effect of the traditional fixing structure for the upper shell and the lower shell of the gas meter is solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure of the area A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure of the area B in FIG. 1 according to the present invention;

FIG. 4 is a schematic sectional view of the structure of the sealing ring of the present invention;

fig. 5 is a schematic structural view of the lower case of the present invention.

In the figure: 1. a lower housing; 2. an upper housing; 3. a first protection frame; 4. a shock pad; 5. a second protection frame; 6. a third protective frame; 7. a connecting ring; 8. a sealing groove; 9. a seal ring; 10. a first convex frame; 11. a second convex frame; 12. buckling grooves; 13. buckling; 14. a third convex frame; 15. a card slot; 16. an observation window; 17. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a gas meter upper and lower casing fixing structure comprises an upper casing 2 and a lower casing 1, the top of the inner wall of the upper casing 2 is fixedly connected with a protection frame III 6, the lower surface of the protection frame III 6 is connected with a protection frame I3 in an attaching manner, the inner wall of the protection frame III 6 is connected with a protection frame II 5 in a limiting and sliding manner, the protection frame I3 and the protection frame II 5 are both fixedly connected with the upper surface of the lower casing 1, the protection frame I3 is positioned at the outer side of the protection frame II 5, the lower surface of the lower casing 1 is connected with two symmetrical screws 17 in a penetrating manner, threaded holes matched with the screws 17 are respectively arranged in the protection frame I3 and the protection frame III 6, one end of each screw 17 penetrating through the lower casing 1 is sequentially connected with the threaded holes in the protection frame I3 and the protection frame III 6 in a screwed manner, the upper surface of the lower casing 1 is provided with a buckling groove 12 matched with the outline of the upper casing 2, the lower surface of the upper casing 2 is fixedly connected with a buckle 13 matched with the buckling groove 12, the buckle 13 is clamped with the buckle groove 12.

The protection frame III 6 fixedly connected to the top of the inner wall of the upper shell 2 is attached to the protection frame I3 through the lower surface of the protection frame III 6, meanwhile, the protection frame II 5 is connected to the inner wall of the protection frame III 6 in a limiting sliding mode, the effect of primary clamping between the upper shell 2 and the lower shell 1 is achieved, meanwhile, a buckle 13 fixedly connected to the lower surface of the upper shell 2 is inserted into a buckle groove 12 formed in the upper surface of the lower shell 1 and is clamped with the buckle groove 12, the clamping effect between the upper shell 2 and the lower shell 1 is achieved, the effect of rapid installation between the upper shell 2 and the lower shell 1 is achieved, then, a screw 17 penetrates through the lower shell 1 and is in threaded connection with a threaded hole formed in the protection frame I3 and the protection frame III 6, the protection frame I3 and the protection frame III 6 achieve the effect of fixed connection through the screw 17, and the effect of further improving the stability between the upper shell 2 and the lower shell 1 is achieved, finally reached the use amount that reduces the screw, and then promoted the gas table and gone up casing 2 and the installation rate between casing 1 down, and avoided traditional gas table to leave screw hole and screw cap behind 2 top installations of casing, and lead to the fact the poor problem of aesthetic property.

The upper surface of protection frame 3 has seted up seal groove 8, and the joint has sealing washer 9 in the seal groove 8, and the upper surface of sealing washer 9 is seted up the recess with 9 profile phase adaptations of sealing washer, and the joint has protruding type frame 10 in the recess, and the upper surface of protruding type frame 10 is connected with protection frame three 6 lower fixed surface.

Through joint sealing washer 9 in the seal groove 8, the recess that 9 upper surfaces of sealing washer were seted up and protruding type frame 10 joint that three 6 lower fixed surface of protective frame are connected have reached and have carried out sealed effect many times between casing 2 and the casing 1 down, have promoted the leakproofness effect between casing 2 and the casing 1 down greatly, have strengthened the dustproof waterproof effect of gas table.

An observation window 16 is arranged on the upper surface of the upper shell 2, and the material of the observation window 16 is transparent plastic.

Through the observation window 16 of transparent plastic material, can reach the effect that makes things convenient for personnel to observe the registration in the gas table.

The lower surface of the lower case 1 is fixedly connected with a connection ring 7.

Through the fixedly connected with go-between 7 of the lower surface of casing 1 down, can reach and make things convenient for personnel to carry out the joint with gas table and external structure, reach easy to assemble's effect.

The opposite side joint of protection frame one 3 and protection frame two 5 has shock pad 4, and the material of shock pad 4 is rubber.

4 joints of shock pad through rubber material are in the opposite side of protective frame one 3 and protective frame two 5, can reach and reduce the vibrations propagation between protective frame one 3 and the protective frame two 5, and then promote the inside shock attenuation effect of casing 1 down, can strengthen the sealed effect between protective frame one 3 and the protective frame two 5 simultaneously, and then the inside leakproofness effect of casing 1 under the reinforcing.

The lower surface of the upper shell 2 is provided with a clamping groove 15, the upper surface of the lower shell 1 is fixedly connected with a convex frame III 14 matched with the clamping groove 15, and the convex frame III 14 is clamped with the clamping groove 15.

Through the last fixed surface of casing 1 down be connected with the protruding type frame three 14 and the draw-in groove 15 joint of draw-in groove 15 looks adaptation, can reach the leakproofness between casing 2 and the casing 1 down in the promotion, the stability effect of being connected between casing 2 and the casing 1 down is gone up in the reinforcing simultaneously.

The width of sealing washer 9 is less than the width of seal groove 8, and sealing washer 9 is for the joint between one side of second protection frame 5 and the 8 inner walls of seal groove has second protruding frame 11, and the upper surface of second protruding frame 11 is connected with third protection frame 6 lower surface fixed connection.

Through sealing washer 9 for the joint have protruding type frame two 11 and protruding type frame two 11 between one side of protective frame two 5 and the 8 inner walls of seal groove upper surface and protective frame three 6 lower fixed surface be connected, can reach the stability effect of promotion sealing washer 9 in seal groove 8, simultaneously through the joint between protruding type frame two 11 and the seal groove 8, can promote again casing 2 and the sealed effect between the casing 1 down.

The working principle is as follows: when the gas meter upper and lower shell fixing structure is used, firstly, the effect of preliminary clamping between the upper shell 2 and the lower shell 1 is achieved through the third protective frame 6 fixedly connected to the top of the inner wall of the upper shell 2 and the lower surface of the third protective frame 6 attached to the first protective frame 3, and meanwhile, the buckle 13 fixedly connected to the lower surface of the upper shell 2 is inserted into the buckle groove 12 formed on the upper surface of the lower shell 1 and is clamped with the buckle groove 12 to achieve the clamping effect between the upper shell 2 and the lower shell 1, so as to achieve the effect of rapid installation between the upper shell 2 and the lower shell 1, and then the screw 17 penetrates through the lower shell 1 and is in threaded connection with the threaded holes formed in the first protective frame 3 and the third protective frame 6, so that the first protective frame 3 and the third protective frame 6 achieve the effect of fixed connection through the screw 17, reach further promotion and go up the stability effect between casing 2 and the lower casing 1, finally reached the use amount that reduces the screw, and then promoted the gas table and gone up the installation rate between casing 2 and the lower casing 1, and avoid leaving screw hole and screw cap behind the installation of 2 tops of casing on the traditional gas table, and cause the poor problem of aesthetic property.

Meanwhile, through joint sealing washer 9 in seal groove 8, the recess that sealing washer 9 upper surface was seted up and the protruding type frame 10 joint of three 6 lower fixed surface fixed connection of protective frame, the effect that cooperation sealing washer 9 carries out a lot of sealings between last casing 2 and the casing 1 down has been reached, the leakproofness effect between last casing 2 and the casing 1 down has been promoted greatly, and simultaneously, the width through sealing washer 9 is less than the width of seal groove 8, and sealing washer 9 has protruding type frame two 11 for the joint between one side of protective frame two 5 and the 8 inner walls of seal groove, the upper surface of protruding type frame two 11 and three 6 lower fixed surface fixed connection of protective frame, the effect of further being connected between protective frame three 6 and protective frame one 3 has been reached, the sealed effect between last casing 2 and the casing 1 down has been promoted once more, dustproof and waterproof effect of gas table has been strengthened.

Claims

1. The utility model provides a lower casing fixed knot constructs on gas table, includes casing (2) and casing (1) down, its characterized in that: the top of the inner wall of the upper shell (2) is fixedly connected with a third protection frame (6), the lower surface of the third protection frame (6) is connected with a first protection frame (3) in an attaching mode, the inner wall of the third protection frame (6) is connected with a second protection frame (5) in a limiting and sliding mode, the first protection frame (3) and the second protection frame (5) are both fixedly connected to the upper surface of the lower shell (1), the first protection frame (3) is located on the outer side of the second protection frame (5), the lower surface of the lower shell (1) is connected with two symmetrical screws (17) in a penetrating mode, threaded holes matched with the screws (17) are formed in the first protection frame (3) and the third protection frame (6), one end, penetrating through the lower shell (1), of the screws (17) is sequentially connected with the threaded holes in the first protection frame (3) and the third protection frame (6) in a screwed mode, a buckling groove (12) matched with the outline of the upper shell (2) is formed in the upper surface of the lower shell (1), go up the lower fixed surface of casing (2) and be connected with buckle (13) with catching groove (12) looks adaptation, buckle (13) and catching groove (12) joint.

2. The gas meter upper and lower shell fixing structure according to claim 1, characterized in that: seal groove (8) have been seted up to the upper surface of protection frame (3), joint has sealing washer (9) in seal groove (8), the upper surface of sealing washer (9) is seted up with the recess of sealing washer (9) profile looks adaptation, the joint has protruding type frame (10) in the recess, the upper surface and the three (6) lower fixed surface of protection frame of protruding type frame (10) are connected.

3. The gas meter upper and lower shell fixing structure according to claim 1, characterized in that: the upper surface of the upper shell (2) is provided with an observation window (16), and the observation window (16) is made of transparent plastic.

4. The gas meter upper and lower shell fixing structure according to claim 1, characterized in that: the lower surface of the lower shell (1) is fixedly connected with a connecting ring (7).

5. The gas meter upper and lower shell fixing structure according to claim 1, characterized in that: the opposite side joint of protection frame (3) and protection frame two (5) has shock pad (4), the material of shock pad (4) is rubber.

6. The gas meter upper and lower shell fixing structure according to claim 1, characterized in that: go up the lower surface of casing (2) and seted up draw-in groove (15), the last fixed surface of casing (1) is connected with protruding type frame three (14) with draw-in groove (15) looks adaptation down, protruding type frame three (14) and draw-in groove (15) joint.

7. The gas meter upper and lower shell fixing structure according to claim 2, characterized in that: the width of sealing washer (9) is less than the width of seal groove (8), the joint has two protruding type frames (11) between one side and seal groove (8) inner wall of sealing washer (9) for two (5) of protective frame, the upper surface and three (6) lower fixed surface of protective frame of two (11) are connected.