CN215261937U

CN215261937U - Gas meter with good sealing performance

Info

Publication number: CN215261937U
Application number: CN202121374002.9U
Authority: CN
Inventors: 卢俊岭; 王兆阳; 马洪勇; 李红卫
Original assignee: Huagang Combustion Gas Group Co ltd
Current assignee: Huagang Combustion Gas Group Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-21
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a gas table that leakproofness is good, including gas table body, upper cover and seal structure, the both sides of upper cover are equipped with inlet port and venthole respectively, the inlet port with the venthole all runs through in the upper cover and communicates with the gas table body, seal structure is including the seal groove of locating gas table body lateral wall top, the sealing strip of locating upper cover lateral wall below and the fixing bolt who is used for locking upper cover and gas table body, the gas table body with the both sides of upper cover all are equipped with solid fixed ring, fixing bolt's one end runs through in solid fixed ring, gu fixed ring's below is equipped with fixation nut, the utility model discloses a cooperation that sets up gas table body, upper cover, inlet port, venthole, seal groove, sealing strip, fixing bolt, gu fixed ring and fixation nut is used, has reached multiple seal structure, makes the inlet port, the venthole of gas table, The joint of the air outlet and the air pipe is tightly attached, and the sealing effect is better.

Description

Gas meter with good sealing performance

Technical Field

The utility model belongs to the technical field of the gas table, especially, relate to a gas table that leakproofness is good.

Background

As a clean energy, the gas is used more and more widely in life, people can use the gas meter to observe the use value of the gas usually, the gas meter is visual and convenient, but if the sealing performance of the gas meter is poor, the gas can be leaked, and potential safety hazards are brought. The problems existing in the prior art are as follows: the gas meter is not good in sealing effect, the structures of the gas inlet pipe and the gas outlet pipe are simple, the connection tightness is poor, and gas leakage is easily caused.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides a gas table that leakproofness is good possesses multiple seal structure, makes the inlet port of gas table, venthole and the laminating of tracheal junction tighter, and the advantage that sealed effect is better has solved current gas table and has comparatively simple in the position structure of intake pipe and outlet duct, connects the compactness poor, causes the problem that the gas leaked easily.

The utility model discloses a realize like this, a gas table that leakproofness is good, including gas table body, upper cover and seal structure, the both sides of upper cover are equipped with inlet port and venthole respectively, the inlet port with the venthole all runs through in upper cover and gas table body intercommunication mutually, seal structure is including the seal groove of locating gas table body lateral wall top, locate the sealing strip of upper cover lateral wall below and be used for locking the fixing bolt of upper cover and gas table body, gas table body with the both sides of upper cover all are equipped with solid fixed ring, fixing bolt's one end is run through in solid fixed ring, gu fixed ring's below is equipped with fixation nut.

As the utility model discloses it is preferred, the upper surface of seal groove is equipped with first convex part, the lower surface of sealing strip is equipped with first concave part, first convex part cooperatees with first concave part.

As the utility model discloses it is preferred, be equipped with the recess on the lateral wall of seal groove, be equipped with protruding piece on the lateral wall of sealing strip, the recess cooperatees with protruding piece.

As the utility model discloses it is preferred, the inlet port with the side of venthole all is equipped with the internal thread, the inlet port with all be equipped with the trachea in the venthole, tracheal afterbody is equipped with the external screw thread with internal thread matched with, tracheal upper end is equipped with screws up the nut, screw up the nut with trachea integrated into one piece, the inlet port with the top of venthole all is equipped with keeps off the ring, it fills up and seals up with the lower gasket to be equipped with respectively in the fender ring, the lower surface of screwing up the nut contacts with the upper surface that fills up.

As the utility model discloses preferred, the bottom of upper seal pad is equipped with the second convex part, the top of lower seal pad is equipped with the second concave part, the second convex part cooperatees with the second concave part.

As the utility model discloses it is preferred, the both sides of sealing strip are equipped with sealing washer and sealed passageway respectively, the sealing washer with sealed passageway cooperatees.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation that sets up gas table body, upper cover, inlet port, venthole, seal groove, sealing strip, fixing bolt, solid fixed ring and fixation nut is used, has reached multiple seal structure, makes the inlet port of gas table, venthole and tracheal combination department laminating tighter, the better effect of sealed effect.

2. The utility model discloses a cooperation that sets up first convex part and first concave part is used, can strengthen the leakproofness between upper cover and the gas table body, reduces the channel of gas to outside diffusion in the gas table.

3. The utility model discloses a cooperation that sets up recess and protruding piece is used, can avoid the gas to leak from the gas table is inside, and form dual protection between the first convex part.

4. The utility model discloses a set up internal thread, external screw thread, trachea, screw up the nut, keep off ring, upper seal pad and the lower seal pad's cooperation and use, can make the inlet port and the venthole joint position of gas table have good seal structure, avoid because the insecure gas that causes of structure of importing and exporting leaks.

5. The utility model discloses a cooperation that sets up second convex part and second concave part is used, can make the leakproofness between trachea and inlet port and the venthole better, makes the laminating of upper seal pad and lower seal pad inseparabler.

6. The utility model discloses a cooperation that sets up sealing washer and sealed passageway is used, can make the binding face of upper cover and gas table body inseparabler, forms multiple sealed protection.

Drawings

Fig. 1 is a schematic front structural view provided in an embodiment of the present invention;

fig. 2 is a left side view provided by an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view taken along a-a in fig. 2 according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of a structure at a in fig. 4 according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view of a structure at B in fig. 4 according to an embodiment of the present invention;

fig. 6 is an enlarged schematic view of a structure at C in fig. 4 according to an embodiment of the present invention.

In the figure: 1. a gas meter body; 2. an upper cover; 201. an air inlet; 202. an air outlet; 3. a sealing groove; 301. a sealing strip; 302. fixing the bolt; 303. a fixing ring; 304. fixing a nut; 4. a first convex portion; 401. a first recess; 402. a groove; 403. a raised block; 5. an internal thread; 501. an external thread; 502. screwing down the nut; 503. an air tube; 504. a baffle ring; 505. an upper seal gasket; 506. a lower seal gasket; 6. a second convex portion; 601. a second recess; 7. a seal ring; 701. the channel is sealed.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the embodiment of the utility model provides a gas meter that leakproofness is good, including gas meter body 1, upper cover 2 and seal structure, the both sides of upper cover 2 are equipped with inlet port 201 and venthole 202 respectively, inlet port 201 with venthole 202 all runs through in upper cover 2 and is linked together with gas meter body 1, seal structure is including the seal groove 3 of locating gas meter body 1 lateral wall top, locate the sealing strip 301 of upper cover 2 lateral wall below and be used for locking the fixing bolt 302 of upper cover 2 and gas meter body 1, gas meter body 1 with the both sides of upper cover 2 all are equipped with solid fixed ring 303, fixing bolt 302's one end is run through in solid fixed ring 303, gu fixed ring 303's below is equipped with fixation nut 304.

Referring to fig. 5, by providing the first convex portion 4 and the first concave portion 401, the sealing performance between the upper cover 2 and the gas meter body 1 can be enhanced, and channels through which gas diffuses to the outside in the gas meter can be reduced.

Adopt above-mentioned scheme: the upper surface of seal groove 3 is equipped with first convex part 4, the lower surface of sealing strip 301 is equipped with first concave part 401, first convex part 4 cooperatees with first concave part 401.

Referring to fig. 5, by using the concave groove 402 and the convex block 403 in cooperation, the gas can be prevented from leaking from the inside of the gas meter, and a double protection can be formed between the gas meter and the first convex part 4.

Adopt above-mentioned scheme: the side wall of the sealing groove 3 is provided with a groove 402, the side wall of the sealing strip 301 is provided with a convex block 403, and the groove 402 is matched with the convex block 403.

Referring to fig. 6, the side surfaces of the air inlet hole 201 and the air outlet hole 202 are both provided with internal threads 5, air pipes 503 are arranged in the air inlet hole 201 and the air outlet hole 202, the tail portion of each air pipe 503 is provided with external threads 501 matched with the internal threads 5, the upper end of each air pipe 503 is provided with a screwing nut 502, the screwing nuts 502 and the air pipes 503 are integrally formed, retaining rings 504 are arranged above the air inlet hole 201 and the air outlet hole 202, an upper sealing pad 505 and a lower sealing pad 506 are respectively arranged in the retaining rings 504, and the lower surfaces of the screwing nuts 502 are in contact with the upper surfaces of the upper sealing pads 505.

Adopt above-mentioned scheme: through the matching use of the internal thread 5, the external thread 501, the air pipe 503, the screwing nut 502, the baffle ring 504, the upper sealing gasket 505 and the lower sealing gasket 506, the joint positions of the air inlet 201 and the air outlet 202 of the gas meter can have a good sealing structure, and the gas leakage caused by the infirm structure of the inlet and the outlet is avoided.

Referring to fig. 6, the bottom end of the upper gasket 505 is provided with a second protrusion 6, the top end of the lower gasket 506 is provided with a second recess 601, and the second protrusion 6 is matched with the second recess 601.

Adopt above-mentioned scheme: the second convex portion 6 and the second concave portion 601 are arranged to be matched for use, so that the air pipe 503 and the air inlet hole 201 and the air outlet hole 202 are better in sealing performance, and the upper sealing gasket 505 and the lower sealing gasket 506 are attached more tightly.

Referring to fig. 5, a sealing strip 301 and a sealing channel 701 are respectively disposed on two sides of the sealing ring 7, and the sealing ring 7 is matched with the sealing channel 701.

Adopt above-mentioned scheme: through the cooperation that sets up sealing washer 7 and sealed passageway 701 and use, can make the binding face of upper cover 2 and gas table body 1 inseparabler, form multiple sealed protection.

The utility model discloses a theory of operation:

when the gas meter is used, the sealing strip 301 is clamped into the sealing groove 3, the first concave portion 401 and the first convex portion 4 are attached to each other, the upper cover 2 and the gas meter body 1 are pressed tightly through the matching of the fixing nut 304 and the fixing bolt 302, the gas pipe 503 is placed into the gas inlet hole 201, the gas pipe 503 is combined with the internal thread 5 in the hole through screwing the screwing nut 502, when the screwing nut 502 moves downwards, downward force is applied to the upper sealing gasket 505, the matching of the second convex portion 6 and the second concave portion 601 is tight, and the sealing effect is good.

In summary, the following steps: this gas meter that leakproofness is good, through gas meter body 1, upper cover 2, inlet port 201, venthole 202, seal groove 3, sealing strip 301, fixing bolt 302, solid fixed ring 303, fixation nut 304, first convex part 4, first concave part 401, recess 402, protruding piece 403, internal thread 5, trachea 503, external screw thread 501, screw nut 502, fender ring 504, upper seal pad 505, lower seal pad 506, second convex part 6, second concave part 601, the cooperation of sealing washer 7 and seal channel 701 is used, it is not good to have solved the sealed effect of gas meter, the position structure at intake pipe 503 and outlet duct 503 is comparatively simple, it is poor to connect the compactness, cause the problem of gas leakage easily.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 gas table that leakproofness is good, includes gas table body (1), upper cover (2) and seal structure, its characterized in that: the both sides of upper cover (2) are equipped with inlet port (201) and venthole (202) respectively, inlet port (201) with venthole (202) all run through in upper cover (2) and gas table body (1) and are linked together, seal structure is including seal groove (3) of locating gas table body (1) lateral wall top, locate sealing strip (301) of upper cover (2) lateral wall below and be used for locking fixing bolt (302) of upper cover (2) and gas table body (1), gas table body (1) with the both sides of upper cover (2) all are equipped with solid fixed ring (303), the one end of fixing bolt (302) runs through in solid fixed ring (303), the below of solid fixed ring (303) is equipped with fixation nut (304).

2. The gas meter with good sealing performance as claimed in claim 1, wherein: the upper surface of seal groove (3) is equipped with first convex part (4), the lower surface of sealing strip (301) is equipped with first concave part (401), first convex part (4) cooperate with first concave part (401).

3. The gas meter with good sealing performance as claimed in claim 1, wherein: be equipped with recess (402) on the lateral wall of seal groove (3), be equipped with protruding piece (403) on the lateral wall of sealing strip (301), recess (402) and protruding piece (403) cooperate.

4. The gas meter with good sealing performance as claimed in claim 1, wherein: the utility model discloses a gas inlet, including inlet port (201) and venthole (202), the side of inlet port (201) with all be equipped with internal thread (5) in venthole (202), inlet port (201) with all be equipped with trachea (503) in venthole (202), the afterbody of trachea (503) is equipped with internal thread (5) matched with external screw thread (501), the upper end of trachea (503) is equipped with screws up nut (502), screws up nut (502) with trachea (503) integrated into one piece, inlet port (201) with the top of venthole (202) all is equipped with fender ring (504), be equipped with upper seal pad (505) and lower seal pad (506) in fender ring (504) respectively, the lower surface of screwing up nut (502) contacts with the upper surface of upper seal pad (505).

5. The gas meter with good sealing performance as claimed in claim 4, wherein: the bottom end of the upper sealing gasket (505) is provided with a second convex part (6), the top end of the lower sealing gasket (506) is provided with a second concave part (601), and the second convex part (6) is matched with the second concave part (601).

6. The gas meter with good sealing performance as claimed in claim 1, wherein: the sealing strip (301) is characterized in that two sides of the sealing strip (301) are respectively provided with a sealing ring (7) and a sealing channel (701), and the sealing ring (7) is matched with the sealing channel (701).