CN218330106U - Casing sealing structure - Google Patents

Abstract

The utility model relates to a seal structure technical field just discloses a shell seal structure, including gas table shell structure, this shell structure is including procapsid and back casing, first recess and second recess have not been seted up to the junction of procapsid and back casing equally divide, the inside of first recess and second recess all is equipped with the sealing washer. This shell sealing structure, through be equipped with first recess respectively in the front on casing and the back casing, first arch, the second recess, second arch and sealing washer, first arch is pegged graft with the inside of first recess when the installation, the inside of second arch and second recess is pegged graft, through sealed double seal structure that adopts between the casing around, the casing back and the positive groove department assembly sealing washer of back casing in the front promptly simultaneously, casing locking around the rethread screw will be, this kind of structure has used twice to seal, the sealed reliability of gas table casing has effectively been increased.

Description

Shell sealing structure

Technical Field

The utility model relates to a seal structure technical field specifically is a shell seal structure.

Background

With the improvement of living standard and the enhancement of environmental awareness, clean energy such as natural gas, pipeline gas and the like are very popular, and the gas meter is used as equipment for metering the gas consumption of users, so that the sealing safety of the equipment is very important. A traditional sealing mode of a cast aluminum shell of a gas meter is that a trapezoidal sealing ring is pressed by a plane, the sealing mode only has one sealing guarantee, and a shell sealing structure is provided for improving the sealing reliability of the gas meter shell.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a shell seal structure possesses double-deck seal structure, has improved the sealing performance of casing, has solved the problem that proposes among the above-mentioned background art.

(II) technical scheme

The utility model provides a following technical scheme: the utility model provides a shell sealing structure, includes gas table shell structure, and this shell structure is including procapsid and back casing, first recess and second recess have not been seted up to the junction of procapsid and back casing equally divide, the inside of first recess and second recess all is equipped with the sealing washer, the procapsid is fixed respectively with one side that the back casing is relative and is equipped with first arch and second arch, first arch is pegged graft with the inside of first recess, the inside of the protruding and second recess of second is pegged graft.

Further, it is fixed through screw locking between procapsid and the back casing, through the effect of screw, be convenient for lock procapsid and back casing together fixed, its connecting portion after the locking is for also being locked, can further improve the leakproofness.

Further, the size and specification of the first groove and the second groove are the same.

Further, the first protrusion and the second protrusion have the same size and specification.

Compared with the prior art, the utility model provides a shell seal structure possesses following beneficial effect:

this shell sealing structure, through be equipped with first recess respectively in the front on casing and the back casing, first arch, the second recess, second arch and sealing washer, first arch is pegged graft with the inside of first recess in the installation, the inside of second arch and second recess is pegged graft, through sealed double seal structure that adopts between the casing around, the casing back and the positive groove department assembly sealing washer of back casing in the front promptly simultaneously, casing locking around the rethread screw will be, this kind of structure has used twice sealedly, the sealed reliability of gas table casing has effectively been increased.

Drawings

FIG. 1 is a three-dimensional view of the structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a side sectional view of the present invention;

fig. 4 is an enlarged view of the structure a in fig. 3 according to the present invention.

Wherein: 1. a front housing; 2. a rear housing; 3. a screw; 4. a first groove; 5. a first protrusion; 6. a second groove; 7. a second protrusion; 8. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-4, a housing sealing structure, including a gas meter housing structure, the housing structure includes a front housing 1 and a rear housing 2, the front housing 1 and the rear housing 2 are locked and fixed by a screw 3, the front housing 1 and the rear housing 2 are conveniently locked and fixed together by the screw, after being locked, the connection portion is also locked, which can further improve the sealing performance, the connection portion of the front housing 1 and the rear housing 2 is respectively provided with a first groove 4 and a second groove 6, the first groove 4 and the second groove 6 have the same size and specification, the first groove 4 and the second groove 6 are both provided with a sealing ring 8, the opposite side of the front housing 1 and the rear housing 2 is respectively and fixedly provided with a first protrusion 5 and a second protrusion 7, the first protrusion 5 and the second protrusion 7 have the same size and specification, the first protrusion 5 is inserted into the first groove 4, the second protrusion 7 is inserted into the second groove 6, the connection portion of the device is provided with a sealing ring 8, and the connection portion of the device can be formed into two sealing effects when the sealing device is used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a shell body seal structure, includes gas table shell structure, this shell structure is including procapsid (1) and back casing (2), its characterized in that: first recess (4) and second recess (6) have been seted up respectively to the junction of procapsid (1) and back casing (2), the inside of first recess (4) and second recess (6) all is equipped with sealing washer (8), procapsid (1) and the relative one side of back casing (2) are fixed respectively and are equipped with first arch (5) and second arch (7), first arch (5) are pegged graft with the inside of first recess (4), the inside of protruding (7) of second and second recess (6) is pegged graft.

2. A housing seal arrangement according to claim 1, wherein: the front shell (1) and the rear shell (2) are locked and fixed through screws (3).

3. A housing seal arrangement according to claim 1, wherein: the first groove (4) and the second groove (6) are the same in size and specification.

4. A housing seal arrangement according to claim 1, wherein: the first bulge (5) and the second bulge (7) are the same in size and specification.

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