CN211013121U

CN211013121U - Gas meter with built-in filter device convenient to replace

Info

Publication number: CN211013121U
Application number: CN201922367255.2U
Authority: CN
Inventors: 蔡赟
Original assignee: Wuhan Tiancheng Tongchuang Technology Co ltd
Current assignee: Wuhan Tiancheng Tongchuang Technology Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-07-14
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to a gas table technical field specifically is a make things convenient for built-in filter equipment's of replacement gas table, including filter equipment, filter equipment includes the casing, the inside section of casing is equipped with strains a section of thick bamboo, the casing bottom is equipped with the foundation ring, the annular slab has been placed on the foundation ring, annular slab fixed connection net shape frame, the first support of net shape frame fixed connection, the first ring channel of first support upper surface, the annular lid is connected to casing top screw thread, annular lid below is equipped with the second support, second support center department is equipped with the circular through-hole, second support lower surface is equipped with the second ring channel, the lower border and the last border of straining a section of thick bamboo imbed first ring channel and second ring channel respectively. The utility model discloses the novel structure, compact structure places through filter equipment and advances to manage and adopt the casing cladding to form wholly at the gas, realizes only needing to unscrew and advance the gas pipeline of registering one's residence of managing the intercommunication with the gas, can easily take out the replacement fast, easy operation, labour saving and time saving is worth using widely.

Description

Gas meter with built-in filter device convenient to replace

Technical Field

The utility model relates to a gas table technical field specifically is a make things convenient for built-in filter equipment's of replacement gas table.

Background

The gas table is influenced in the counting and the service life by solid impurities such as silt, rock particles, iron powder, ferrous sulfide and the like generated in the construction and operation processes of the gas pipeline, so that the filtering device is arranged in the gas table, and the pollution resistance of the gas table is very necessary to be improved. After a filter screen in a built-in filter device of the gas meter is blocked by impurities, the gas filtering effect can be influenced, and the problems of unstable gas pressure and the like can be caused. The existing solution is to disassemble the gas meter and replace the gas meter, so that the operation is complex and the human resources are wasted. Therefore, a gas meter with a built-in filter device which can be conveniently replaced is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The invention aims to provide a gas meter with a built-in filtering device convenient to replace, aiming at the problems in the prior art.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a convenient built-in filter equipment's of replacement gas table, includes the gas table body, the gas table body is equipped with the gas and advances pipe and gas exit tube, the gas is advanced and is equipped with filter equipment in the pipe, filter equipment includes the casing, the inside section of casing is equipped with strains a section of thick bamboo, and the casing bottom is equipped with rather than integrated into one piece's bottom ring, the annular plate has been placed on the bottom ring, annular plate fixed connection net shape frame, the first support of net shape frame fixed connection, first support upper surface is equipped with rather than integrated into one piece's first ring channel, casing top screw thread connects the annular lid, annular lid below is equipped with the second support, second support center department is equipped with the round through hole, and second support lower surface is equipped with rather than integrated into one piece's second ring channel, the lower border and the last border of straining a section of thick bamboo imbed first ring.

Preferably, the gas inlet pipe and the gas outlet pipe are both connected with the shell of the gas meter body in a clamping and embedding manner, the gas inlet pipe is welded with a circular ring block, and the circular ring block is abutted to the bottom ring.

Preferably, the net-shaped frame is composed of eight straight rods and eight arc-shaped rods, the eight straight rods are distributed in a radial shape, two ends of one arc-shaped rod are welded between every two adjacent straight rods, and the arc-shaped rods divide a cavity between every two adjacent straight rods into two fan-shaped through holes.

Preferably, the top of the annular cover is provided with a pull ring, the pull ring is in an elliptical arc shape, two ends of the bottom of the pull ring are hinged with the annular cover, and when the pull ring is in a vertical state, the top of the pull ring extends out of the gas inlet pipe.

Preferably, the filter cylinder is a metal cylinder body with circular holes uniformly distributed on the side wall, a filter layer is arranged on the inner wall of the filter cylinder, the filter layer is folded into folds by fiber filter materials and is bonded end to form the cylinder, and the upper edge and the lower edge of the filter layer are bonded with the filter cylinder.

Compared with the prior art, the utility model provides a conveniently replace built-in filter equipment's gas table possesses following beneficial effect:

1. the utility model has novel and compact structure, is placed in the gas inlet pipe through the filtering device and is coated by the shell to form a whole, realizes that the gas inlet pipe communicated with the gas inlet pipe is only required to be unscrewed, can be quickly and easily taken out and replaced, has simple operation, saves time and labor, and is worth being popularized and used;

2. the utility model adopts the annular cover to push the second bracket, so that the lower edge and the upper edge of the filter cartridge are respectively embedded into the first annular groove and the second annular groove, the filter cartridge is easy to be taken out from the shell, and the filter cartridge can be firmly restrained in the shell;

3. the utility model discloses with the help of the net shape frame for the intercommunication is realized with the gas table body to the casing is inside, and the net shape frame comprises straight-bar and arc pole, and simple structure and intensity are high, can be fine link into a whole with annular plate and first support.

Drawings

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

FIG. 2 is a schematic structural view of a filtering device according to the present invention;

fig. 3 is a schematic structural view of the middle ring plate, the net-shaped frame and the first support of the present invention.

In the figure: the gas meter comprises a gas meter body 1, a gas inlet pipe 2, a gas outlet pipe 3, a shell 4, a bottom ring 5, an annular plate 6, a net-shaped frame 7, a first support 8, a first annular groove 9, an annular cover 10, a second support 11, a circular through hole 12, a second annular groove 13, a filter cylinder 14, a circular ring block 15 and a pull ring 16.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a gas meter with a built-in filter device convenient to replace includes a gas meter body 1, the gas meter body 1 is provided with a gas inlet pipe 2 and a gas outlet pipe 3, and the gas inlet pipe 2 and the gas outlet pipe 3 are respectively communicated with a gas service pipeline and a gas use pipeline. A filtering device is arranged in the fuel gas inlet pipe 2.

The filtering device comprises a shell 4, and the outer wall of the shell 4 is matched with the inner wall of the gas inlet pipe 2. The inside cartridge 14 that is equipped with of casing 4, casing 4 bottom is equipped with rather than integrated into one piece's bottom ring 5, annular plate 6 has been placed on the bottom ring 5, annular plate 6 fixed connection netted frame 7, the first support 8 of netted frame 7 fixed connection, first support 8 upper surface is equipped with rather than integrated into one piece's first ring channel 9, 4 top screw threads of casing connect annular lid 10, annular lid 10 below is equipped with

second support

11, 11 center departments of second support are equipped with round through

hole

12, 11 lower surfaces of second support are equipped with rather than integrated into one piece's second ring channel 13. The annular cover 10 is rotated and the second bracket 11 is pushed by the annular cover 10 so that the lower edge and the upper edge of the filter cartridge 14 are fitted into the first annular groove 9 and the second annular groove 13, respectively.

After entering the gas inlet pipe 2, the gas in the household gas pipeline enters the inside of the filter cylinder 14 through the annular cover 10 and the circular through hole 12 in sequence, the filter cylinder 14 is a metal cylinder body with circular holes uniformly distributed on the side wall, the inner wall of the filter cylinder 14 is provided with a filter layer, the filter layer is folded by fiber filter materials into folds and is bonded end to form a cylinder, and the upper edge and the lower edge of the filter layer are glued with the filter cylinder 14. The fiber filter material adopts the fiber layer filter material for gas purification meeting the requirements of GB/T35754 and 2017, and can effectively filter solid impurities carried in fuel gas.

As shown in fig. 3, the net frame 7 is composed of eight straight rods and eight arc-shaped rods, the eight straight rods are radially distributed, two ends of one arc-shaped rod are welded between adjacent straight rods, and the arc-shaped rod divides a cavity between the adjacent straight rods into two fan-shaped through holes. The gas filtered by the filter cartridge 14 firstly enters the cavity between the housing 4 and the filter cartridge 14, then passes through the mesh frame 7, and finally enters the inside of the gas meter body 1 from the bottom ring 5. The existence of the net-shaped frame 7 enables the inside of the shell 4 to be communicated with the gas meter body 1, the net-shaped frame 7 is simple in structure and high in strength, and the annular plate 6 and the first support 8 can be connected into a whole.

The shell of the gas meter body 1 comprises a front shell and a rear shell, the front shell and the rear shell are respectively connected with the gas inlet pipe 2 and the gas outlet pipe 3 in an embedded manner and then are connected with each other through bolts, and sealing rings are arranged at the joints of the front shell and the rear shell and the gas inlet pipe 2 and the gas outlet pipe 3 in a gasket manner so as to achieve sealing protection.

The inner wall of the gas inlet pipe 2 is welded with a circular ring block 15, the circular ring block 15 is abutted against the bottom ring 5, and the shell 4 is supported through the circular ring block 15. The gas inlet pipe 2 is in threaded connection with a household gas pipeline through a connector, so that the top of the shell 4 is restrained by the connector, and the shell 4 cannot be separated from the gas inlet pipe 2.

Ring shaped cover 10 top is equipped with pull ring 16, and pull ring 16 is oval arc, and pull ring 16 bottom both ends are articulated mutually with ring shaped cover 10, the regulation: when the pull ring 16 is in a vertical state, the top of the pull ring 16 extends out of the gas inlet pipe 2. Therefore, after the fitting of the gas line for household use is unscrewed, the pull ring 16 can be pulled up by a finger or other tool, the gas inlet pipe 2 is directly taken out of the housing 4 as a whole through the pull ring 16, and the second holder 11 can be removed by rotating the pull ring 16 or the annular cap 10, so that the filter cartridge 14 is exposed and the filter cartridge 14 can be replaced.

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

1. The utility model provides a make things convenient for built-in filter equipment's of replacement gas table which characterized in that: the gas meter comprises a gas meter body (1), wherein the gas meter body (1) is provided with a gas inlet pipe (2) and a gas outlet pipe (3), a filtering device is arranged in the gas inlet pipe (2), the filtering device comprises a shell (4), a filter cylinder (14) is arranged inside the shell (4), a bottom ring (5) which is integrally formed with the shell (4) is arranged at the bottom of the shell (4), an annular plate (6) is placed on the bottom ring (5), the annular plate (6) is fixedly connected with a net-shaped frame (7), the net-shaped frame (7) is fixedly connected with a first support (8), a first annular groove (9) which is integrally formed with the first support is arranged on the upper surface of the first support (8), an annular cover (10) is connected with the top of the shell (4) through threads, a second support (11) is arranged below the annular cover (10), and a circular through hole (12) is formed in the center of, the lower surface of the second support (11) is provided with a second annular groove (13) which is integrally formed with the second support, and the lower edge and the upper edge of the filter cylinder (14) are respectively embedded into the first annular groove (9) and the second annular groove (13).

2. The gas meter with the built-in filter device convenient to replace as claimed in claim 1, wherein: the gas inlet pipe (2) and the gas outlet pipe (3) are both connected with the shell of the gas meter body (1) in an embedded mode, the gas inlet pipe (2) is welded with a circular ring block (15), and the circular ring block (15) is connected with a bottom ring (5) in an abutting mode.

3. The gas meter with the built-in filter device convenient to replace as claimed in claim 1, wherein: the net-shaped frame (7) is composed of eight straight rods and eight arc-shaped rods, the eight straight rods are distributed in a radial shape, two ends of one arc-shaped rod are welded between every two adjacent straight rods, and the arc-shaped rods divide a cavity between every two adjacent straight rods into two fan-shaped ring through holes.

4. The gas meter with the built-in filter device convenient to replace as claimed in claim 1, wherein: the gas inlet pipe is characterized in that a pull ring (16) is arranged at the top of the annular cover (10), the pull ring (16) is in an elliptic arc shape, two ends of the bottom of the pull ring (16) are hinged to the annular cover (10), and when the pull ring (16) is in a vertical state, the top of the pull ring (16) extends out of the gas inlet pipe (2).

5. The gas meter with the built-in filter device convenient to replace as claimed in claim 1, wherein: the filter cylinder (14) is a metal cylinder body with circular holes uniformly distributed on the side wall, a filter layer is arranged on the inner wall of the filter cylinder (14), the filter layer is folded by fiber filter materials into folds and is bonded end to form a cylinder, and the upper edge and the lower edge of the filter layer are glued with the filter cylinder (14).