Diaphragm type gas meter

Abstract

The utility model discloses a diaphragm type gas meter which comprises a gas meter body, an IC card seat, a gas inlet pipe and a gas outlet pipe are arranged on the gas meter body, a mask is arranged on the IC card seat, the gas meter body comprises a base and an upper cover which are arranged in a split mode, the gas outlet pipe comprises an upper gas outlet pipe and a lower gas outlet pipe, and a one-way valve is arranged on the upper gas outlet pipe. The lower gas outlet pipe and the upper gas outlet pipe are communicated through a one-way valve, the one-way valve comprises a valve seat and a valve clack, a boss is arranged in the mounting cavity, the lower gas outlet pipe is inserted into the mounting cavity and presses the valve seat on the boss, and when the upper cover covers the base, the matching position of the upper gas outlet pipe and the lower gas outlet pipe is located in the gas meter body; the filter screen is detachably connected to the gas inlet pipe, the one-way valve is arranged in the gas meter, the sectional type gas outlet pipe is adopted for pressing, the gas meter is convenient to assemble and better in stability, the filter screen is adopted for filtering inlet gas of the gas inlet pipe, and the gas meter is safer to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of diaphragm gas meter, especially relates to a diaphragm gas meter. BACKGROUND

[0002] In prior art, gas stove is used for daily cooking, and the gas required by the gas stove is usually natural gas, and in daily community, most of the time, natural gas pipeline is used to provide natural gas for a long time, at this time, the company providing natural gas needs to calculate the specific usage of natural gas of each user through the gas meter, at this time, the reverse flow phenomenon of natural gas use is easy to cause safety hazards, so a check valve is usually connected on the connecting pipeline between the gas meter and the gas stove, but the external check valve is easy to leak when improperly operated, and the user is also easy to touch the check valve. SUMMARY

[0003] The utility model discloses a kind of diaphragm gas meters, one-way valve is arranged in gas meter, and it is more convenient to press set using sectional type gas outlet pipe, stability is better, and using filter screen to filter air inlet pipe, it is also safer when using.

[0004] The utility model discloses a kind of diaphragm gas meters, including gas meter body, the IC card seat, air inlet pipe and gas outlet pipe are equipped on the gas meter body, the cover of the IC card seat can be opened and closed Face shield is equipped, the side of face shield is hinged and set on the gas meter body, and the other side opposite thereto can be rotatably opened or cover and set on the gas meter body, the gas meter body includes the base and upper cover of split type setting, it is characterized in that: the gas outlet pipe includes the upper gas outlet pipe and lower gas outlet pipe of split type setting, lower gas outlet pipe is equipped on base, and upper gas outlet pipe is equipped on upper cover, the bottom of upper gas outlet pipe is equipped with installation cavity, one-way valve is built-in installation cavity, lower gas outlet pipe and upper gas outlet pipe are communicated through one-way valve, one-way valve includes valve seat and valve flap, boss is built-in installation cavity, lower gas outlet pipe is inserted in installation cavity and valve seat is pressed on boss, when upper cover is cover and set on base, the cooperation place of upper gas outlet pipe and lower gas outlet pipe is located in the gas meter body, the air inlet pipe is also equipped with filter screen, filter screen is detachably connected on air inlet pipe.

[0005] The face mask is arranged on the IC card seat, the dustproof and waterproof effects are further improved, the face mask is prevented from falling after being opened through the hinged mode, the structure layout is reasonable, the upper air outlet pipe and the lower air outlet pipe are arranged in a split mode, the one-way valve is arranged in the gas meter body, the one-way valve is not externally connected and installed, the one-way valve is prevented from being touched, the stability is better, the one-way valve is hidden in the gas meter body, the structure layout is reasonable, the filter screen can filter natural gas entering the shell, foreign matters are prevented from entering the gas meter, and the gas meter is more stable and safe in use.

[0006] Further, the first sealing ring is arranged between the boss and the valve seat, and the second sealing ring is arranged between the lower air outlet pipe and the valve seat.

[0007] The first sealing ring and the second sealing ring can increase the sealing property of the connection position and prevent gas leakage.

[0008] Further, the third sealing ring is arranged between the valve disc and the valve seat.

[0009] The above technical scheme can further improve the reverse flow prevention effect.

[0010] Further, the face mask is provided with a magnetic member on one side of the face mask facing the gas meter body, the gas meter body is provided with a magnetic member corresponding to the magnetic member, the magnetic member can be adsorbed to the magnetic member, and the face mask is positioned.

[0011] The magnetic member and the magnetic member are adsorbed, the corresponding structure is not damaged even if the structure is opened and closed for many times, the structure is convenient to open and close, and the structure is directly opened.

[0012] Further, the face mask is provided with a magnetic member on one side of the face mask facing the gas meter body, the gas meter body is provided with a magnetic member corresponding to the magnetic member, the magnetic member can be adsorbed to the magnetic member, and the face mask is positioned.

[0013] The magnetic member and the magnetic member are adsorbed, the corresponding structure is not damaged even if the structure is opened and closed for many times, the structure is convenient to open and close, and the structure is directly opened.

[0014] Further, the face mask is provided with a magnetic member on one side of the face mask facing the gas meter body, the gas meter body is provided with a magnetic member corresponding to the magnetic member, the magnetic member can be adsorbed to the magnetic member, and the face mask is positioned.

[0015] The magnetic member and the magnetic member are adsorbed, the corresponding structure is not damaged even if the structure is opened and closed for many times, the structure is convenient to open and close, and the structure is directly opened.

[0016] The utility model discloses further set up: two are oppositely arranged to the plug -in block, and two plug -in blocks are spaced apart and form the clamping arm, and the corresponding plug -in block of plug -in slot is also provided with two, and the clamping arm is clamped on the inner wall of two plug -in slots.

[0017] Adopt above -mentioned technical scheme, through the clamping of clamping arm can further prevent the automatic opening of face guard, and its stability is better, and the corresponding plug -in block can all be provided with magnetic attraction piece, and the corresponding plug -in slot can all be provided with magnetic piece, and it is more stable when adsorbing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is Figure 1 Another perspective structure schematic diagram;

[0020] Figure 3 It is Figure 1 Sectional view;

[0021] Figure 4 It is the upper cover internal structure schematic diagram of the utility model;

[0022] Figure 5 It is the face guard structure schematic diagram of the utility model;

[0023] Figure 6 It is Figure 1 Local a enlarged view;

[0024] Figure 7 It is Figure 2 Local b enlarged view;

[0025] Figure 8 It is Figure 3 Local c enlarged view;

[0026] Figure 9 It is the one -way valve structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0027] The specific implementation of the utility model is explained in detail as follows in combination with the drawings:

[0028] In the description of the utility model, it is understood that the orientation or position relation of the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it can not be understood as the limitation of the utility model.

[0029] The utility model discloses a kind of membrane type gas meters, including gas meter body 1, gas meter body 1 belongs to the common knowledge of those skilled in the art, this paper will not be detailed specifically introduced, the IC card seat 2 is equipped on the gas meter body 1, air inlet pipe 13 and gas outlet pipe 14, the cover of the IC card seat 2 can be opened and closed is equipped with face shield 3, the face shield 3 one side is hingedly arranged on gas meter body 1, and the other side opposite thereto can be rotatably opened or cover is arranged on gas meter body 1, by face shield 3 cover is arranged on IC card seat 2, can further improve the effect of dustproof and waterproof, it can prevent face shield 3 from falling after being opened by hinged mode, structure layout is more reasonable, gas meter body 1 includes base 15 and upper cover 16 of split type arrangement, in the utility model embodiment, the gas outlet pipe 14 includes upper gas outlet pipe 141 and lower gas outlet pipe 142 of split type arrangement, lower gas outlet pipe 142 is equipped on base 15, upper gas outlet pipe 141 is equipped on upper cover 14, the bottom of upper gas outlet pipe 141 is equipped with mounting cavity 1411, one-way valve 17 is built-in mounting cavity 1411, lower gas outlet pipe 142 and upper gas outlet pipe 141 are communicated through one-way valve 17, one-way valve 17 includes valve seat 171 and valve flap 172, mounting cavity 1411 is built-in boss 1412, lower gas outlet pipe 142 is inserted in mounting cavity 1411 and valve seat 171 is pressed on boss 1412, when upper cover 16 is cover arranged on base 15, the cooperation place of upper gas outlet pipe 141 and lower gas outlet pipe 142 is located in gas meter body 1, the air inlet pipe 13 is also equipped with filter screen 6, and the filter screen 6 is detachably connected to the air inlet pipe 13, the plug-in connection of upper gas outlet pipe 141 and lower gas outlet pipe 142 of split type arrangement, one-way valve 17 is arranged in the interior of gas meter body 1, without later external installation, can also prevent touching, stability is better, and its structure layout is also more reasonable by hiding in the interior of gas meter body 1, mounting cavity 1411 can facilitate the installation of one-way valve 17, and it is also more convenient during assembly by lower gas outlet pipe 142 to press valve seat 171 on boss 1412.

[0030] The one side of the face shield 3 towards gas meter body 1 is equipped with magnetic attraction piece 4, and the corresponding magnetic attraction piece 4 position on the gas meter body 1 is equipped with magnetic piece 5, the magnetic attraction piece 4 can be adsorbed with the magnetic piece 5, realize face shield positioning, adopt the cooperation adsorption of magnetic attraction piece 4 and magnetic piece 5, it does not need to rely on auxiliary tool, and multiple opening and closing will not damage corresponding structure, and it is also more convenient during opening and closing, directly open, the magnetic piece 5 is most preferably made of magnet, and the magnetic attraction piece 4 can be made of material that can be adsorbed by magnet, for example, iron, magnet, and the position of magnetic attraction piece 4 and magnetic piece 5 can be exchanged.

[0031] The first sealing ring 18 is arranged between the convex platform 1412 and the valve seat 171, and the second sealing ring 19 is arranged between the lower air outlet pipe 142 and the valve seat 171, so that the sealing performance of the connecting position is improved, and air leakage is prevented.

[0032] The face cover 3 is provided with a plug block 9 on the side facing the gas meter body 1, and the plug block 9 is provided with a plug groove 10 corresponding to the plug block 9 on the gas meter body 1, so that the face cover 3 is prevented from shaking and the stability is improved.

[0033] The plug block 9 is provided with a first assembly groove 11, and the magnetic member 4 is arranged in the first assembly groove 11, and the bottom of the plug groove 10 is provided with a second assembly groove 12, and the magnetic member 5 is arranged in the second assembly groove 12, so that the structure layout is reasonable, and the effect of the magnetic member 4 and the magnetic member 5 is better.

[0034] The plug block 9 is provided with two plug blocks 9, and the two plug blocks 9 are arranged in a clamping arm, and the plug groove 10 is also provided with two plug grooves 10 corresponding to the plug block 9, and the clamping arm is clamped on the inner wall of the two plug grooves 10, so that the face cover 3 is prevented from being opened automatically, the stability is good, and the magnetic member 4 can be arranged on the corresponding plug block 9, and the magnetic member 5 can be arranged in the corresponding plug groove 10, so that the magnetic member 4 and the magnetic member 5 are more stable when being adsorbed, and the inner wall of the plug block 9 and the plug groove 10 is most preferably supplemented by a gasket, the gasket is made of elastic material, and of course the plug block 9 can be made of elastic material.

Claims

1. A diaphragm gas meter, comprising a gas meter body, an IC card seat, an inlet pipe and an outlet pipe are arranged on the gas meter body, a cover of the IC card seat is provided with a face cover, one side of the face cover is hingedly arranged on the gas meter body, and the other side opposite to the one side is rotatably opened or covered on the gas meter body, the gas meter body comprises a base and an upper cover arranged in a split mode, characterized in that: The gas outlet pipe comprises an upper gas outlet pipe and a lower gas outlet pipe arranged separately, the lower gas outlet pipe is arranged on the base, the upper gas outlet pipe is arranged on the upper cover, the bottom of the upper gas outlet pipe is provided with a mounting cavity, a one-way valve is arranged in the mounting cavity, the lower gas outlet pipe and the upper gas outlet pipe are communicated through the one-way valve, the one-way valve comprises a valve seat and a valve clack, a boss is arranged in the mounting cavity, the lower gas outlet pipe is inserted into the mounting cavity and the valve seat is pressed on the boss, when the upper cover is arranged on the base, the joint of the upper gas outlet pipe and the lower gas outlet pipe is located in the gas meter body, a filter screen is further arranged on the gas inlet pipe, and the filter screen is detachably connected to the gas inlet pipe.

2. A diaphragm gas meter according to claim 1, characterised in that: A first sealing ring is arranged between the boss and the valve seat, a second sealing ring is arranged between the lower gas outlet pipe and the valve seat, and a third sealing ring is arranged between the valve clack and the valve seat.

3. A diaphragm gas meter according to claim 1 or 2, characterised in that: A magnetic member is arranged on the side of the mask facing the gas meter body, a magnetic member is arranged on the gas meter body corresponding to the position of the magnetic member, the magnetic member can be adsorbed with the magnetic member, and the mask is positioned.

4. A diaphragm gas meter according to claim 3, characterised in that: A plug-in block is arranged on the side of the mask facing the gas meter body, a plug-in groove is arranged on the gas meter body corresponding to the position of the plug-in block, and the plug-in block is inserted into the plug-in groove.

5. A diaphragm gas meter according to claim 4, characterised in that: A first assembly groove is arranged on the plug-in block, the magnetic member is arranged in the first assembly groove, a second assembly groove is arranged at the bottom of the plug-in groove, and the magnetic member is arranged in the second assembly groove.

6. A diaphragm gas meter according to claim 5, characterised in that: The plug-in block is oppositely arranged with two plug-in blocks, the two plug-in blocks are arranged at intervals to form a clamping arm, the plug-in groove corresponding to the plug-in block is also arranged with two plug-in grooves, and the clamping arm is clamped on the inner walls of the two plug-in grooves.

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