CN219301720U

CN219301720U - Diaphragm sealing device of gas meter

Info

Publication number: CN219301720U
Application number: CN202320711809.XU
Authority: CN
Inventors: 姜朝义; 黄四经; 朱锦铃; 梁黎; 谭浩
Original assignee: Chongqing Zhongyan Instrument Technology Co ltd
Current assignee: Chongqing Zhongyan Instrument Technology Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-07-04
Anticipated expiration: 2033-04-03

Abstract

The utility model belongs to the technical field of gas meter sealing, in particular to a gas meter diaphragm sealing device, which comprises a watchcase, wherein a placing groove is formed in the inner wall of the top end of the watchcase, a diaphragm is placed on the placing groove, a first rubber pad is placed between the diaphragm and the placing groove, a second rubber pad is placed on the outer wall of the watchcase, the first rubber pad and the second rubber pad are of an integrated structure, a fixed ring is sleeved at the upper end of the watchcase, the fixed ring consists of two semicircular plates, a pressing plate is arranged on the inner wall of the second rubber pad, a sealing ring is fixedly arranged at the bottom side of the pressing plate, the sealing ring is attached to the diaphragm, a fastening assembly is arranged on the semicircular plate, the pressing plate presses the diaphragm, sealing is realized, the fixed ring can be detached, the disassembly and maintenance are facilitated, the whole gas meter scrapping caused by incapability of detachment is avoided, and resource waste is reduced.

Description

Diaphragm sealing device of gas meter

Technical Field

The utility model relates to the technical field of gas meter sealing, in particular to a gas meter diaphragm sealing device.

Background

In the prior art, the diaphragm of the gas meter is generally directly fixed on the gas meter through the fixing sleeve, gaps are easily formed between the fixing sleeve and the diaphragm and between the outer sides of the diaphragm gas meter, moisture or water vapor can enter through the gaps and adhere to the inner sides of the gas meter, and the diaphragm is easily unclear due to long-time adhesion, so that the gas meter needs to be sealed by using the diaphragm sealing device.

When the gas meter is sealed, a welding machine is used for welding the diaphragm on the gas meter or the diaphragm is adhered to the gas meter by smearing sealing glue, so that the gas meter is sealed.

The existing gas meter is sealed by sealant or welded when the diaphragm is installed, the diaphragm cannot be removed after sealing, the diaphragm cannot be replaced, and after the diaphragm is damaged, the gas meter body is scrapped, so that resource waste is caused; therefore, a gas meter diaphragm sealing device is proposed to solve the above problems.

Disclosure of Invention

In order to make up the defects of the prior art and solve the problems existing in the prior art, the utility model provides a diaphragm sealing device of a gas meter.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a diaphragm sealing device of a gas meter, which comprises a meter case, wherein a placing groove is formed in the inner wall of the top end of the meter case, a diaphragm is placed on the placing groove, a first rubber pad is placed between the diaphragm and the placing groove, a second rubber pad is placed on the outer wall of the meter case, the first rubber pad and the second rubber pad are of an integrated structure, a fixed ring is sleeved at the upper end of the meter case, the fixed ring consists of two semicircular plates, the inner wall of the semicircular plates is attached to the outer wall of the meter case, a pressing plate is arranged on the inner wall of the second rubber pad and between the inner wall of the semicircular plates and the outer wall of the meter case, the two semicircular plates are connected in a rotating manner through a hinge, a sealing ring is fixedly arranged at the bottom side of the pressing plate, the sealing ring is attached to the diaphragm, a fastening assembly is arranged on the semicircular plate, and the pressing plate presses the diaphragm, so that the fixed ring can be detached, the whole gas meter is prevented from being scrapped due to detachment and maintenance, and resource waste is reduced.

Preferably, the structure of the first rubber pad is matched with the structure of the top end of the watchcase, the first rubber pad is attached to the surface of the watchcase, a gap between the side wall of the diaphragm and the first rubber pad is located under the sealing ring, and the diaphragm is isolated from the outside by installing multiple groups of sealing pads, so that the sealing performance of the device is improved.

Preferably, the positioning plate is fixedly arranged on the outer wall of the watchcase and positioned at the middle section, the fixing ring is placed on the positioning plate, and the quick positioning of the fixing ring is realized by installing the positioning plate, so that the installation efficiency is improved.

Preferably, a sliding groove is formed in the inner wall of the semicircular plate, a sliding block is assembled in the sliding groove, the sliding block is fixedly connected with the pressing plate, and the pressing plate is limited by installing the sliding block, so that the pressing plate can stably move.

Preferably, the fastening assembly comprises a sliding plate, the sliding plate is fixedly arranged on the top side of the semicircular plate, a first screw rod penetrates through the sliding plate, threads are formed in the sliding plate, the sliding plate slides in a matched mode through the threads and the first screw rod, a rotating rod is welded on the top side of the first screw rod, a connecting plate is welded on the bottom side of the first screw rod, the connecting plate is rotationally connected with the pressing plate, four groups of fastening assemblies are arranged, the pressing plate is pushed downwards through the first screw rod, the pressing plate presses the sealing ring, sealing of the diaphragm is achieved, and the diaphragm is sealed fast.

Preferably, the first clamping blocks and the second clamping blocks are respectively arranged on the two semicircular plates, the first clamping blocks and the second clamping blocks are located at the joint positions, the first clamping blocks and the second clamping blocks penetrate through the second screw rods, the directions of threads on the second screw rods are opposite from the directions of the centers to the directions of the two ends, the rotary knobs are welded on one sides of the second screw rods, and the first clamping blocks and the second clamping blocks on the second screw rods synchronously slide in opposite directions until the clamping blocks are tightly adhered, so that the fixing of the fixing ring is realized, and the quick disassembly and the installation of the fixing ring are facilitated.

The utility model has the advantages that:

1. according to the utility model, the fixing ring is arranged on the watchcase, the pressing plate presses the diaphragm, so that sealing is realized, the fixing ring can be removed, the disassembly and maintenance are convenient, the whole gas meter is prevented from being scrapped due to incapability of being removed, resource waste is reduced, the diaphragm is isolated from the outside through the arrangement of the plurality of groups of sealing gaskets, the tightness of the device is convenient to improve, the quick positioning of the fixing ring is realized through the arrangement of the positioning plate, and the installation efficiency is improved.

2. According to the utility model, the limit of the pressing plate is realized by installing the sliding blocks, the pressing plate is convenient to stably move, the pressing plate is pushed downwards by the first screw rod to push the pressing plate, the sealing ring is pressed by the pressing plate, the sealing of the diaphragm is realized, the diaphragm is convenient to rapidly seal, the first clamping block and the second clamping block on the second screw rod synchronously slide in opposite directions until the diaphragm is tightly attached, the fixing of the fixing ring is realized, and the quick disassembly and the installation of the fixing ring are facilitated.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view of a first view;

figure 2 is a schematic side view cross-sectional perspective view of a wristwatch case;

FIG. 3 is a schematic perspective view of a retaining ring;

FIG. 4 is a schematic perspective view of a fastening assembly;

fig. 5 is a schematic perspective view of a clamping assembly.

In the figure: 1. a watch case; 2. a placement groove; 3. a membrane; 4. a first rubber pad; 5. a second rubber pad; 6. a semicircular plate; 7. a pressing plate; 8. a seal ring; 9. a positioning plate; 10. a chute; 11. a slide block; 12. a sliding plate; 13. a first screw rod; 14. a rotating lever; 15. a connecting plate; 16. a first clamping block; 17. a second clamping block; 18. a second screw rod; 19. and (5) a knob.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a diaphragm sealing device of a gas meter comprises a case 1, wherein a placing groove 2 is formed in the inner wall of the top end of the case 1, a diaphragm 3 is placed on the placing groove 2, a first rubber pad 4 is placed between the diaphragm 3 and the placing groove 2, a second rubber pad 5 is placed on the outer wall of the case 1, the first rubber pad 4 and the second rubber pad 5 are of an integrated structure, a fixed ring is sleeved at the upper end of the case 1, the fixed ring consists of two semicircular plates 6, the inner wall of the semicircular plates 6 is attached to the outer wall of the case 1, a pressing plate 7 is mounted on the inner wall of the semicircular plates 6, a sealing ring 8 is fixedly mounted on the bottom side of the pressing plate 7, the sealing ring 8 is attached to the diaphragm 3, a fastening component is mounted on the semicircular plates 6, the structure of the first rubber pad 4 is matched with the top end of the case 1, a gap between the side wall of the diaphragm 3 and the first rubber pad 4 is located under the sealing ring 8, a locating plate 9 is fixedly mounted on the middle section of the outer wall of the case 1, and the locating plate 9 is placed on the locating plate; during operation, current gas table adopts the sealant to seal or adopts welded seal when installing diaphragm 3 mostly, and diaphragm 3 can't demolish after the seal, if leak detecting the gas leakage through leaking device, whole gas table can only scrap, through place first rubber pad 4 in standing groove 2, place diaphragm 3 on first rubber pad 4 again, install solid fixed ring on watchcase 1, clamp plate 7 presses diaphragm 3, has realized sealedly, gu fixed ring can demolish, is favorable to dismantling the maintenance, has avoided can't demolish and has led to whole gas table to scrap, reduces the wasting of resources.

Referring to fig. 4, a chute 10 is formed on the inner wall of the semicircular plate 6, a sliding block 11 is assembled in the chute 10, the sliding block 11 is fixedly connected with the pressing plate 7, the fastening assembly comprises a sliding plate 12, the sliding plate 12 is fixedly installed on the top side of the semicircular plate 6, a first screw rod 13 penetrates through the sliding plate 12, threads are formed on the sliding plate 12, the sliding plate 12 slides in a matched manner with the first screw rod 13 through the threads, a rotating rod 14 is welded on the top side of the first screw rod 13, a connecting plate 15 is welded on the bottom side of the first screw rod 13, the connecting plate 15 is rotatably connected with the pressing plate 7, and four groups of fastening assemblies are arranged; during operation, the fastening component is needed to be used in the process of sealing the diaphragm 3, the rotating rod 14 is rotated to drive the first screw rod 13 to rotate, the first screw rod 13 pushes the connecting plate 15 downwards, the connecting plate 15 pushes the pressing plate 7, the pressing plate 7 presses the sealing ring 8, sealing of the diaphragm 3 is achieved, and quick sealing of the diaphragm 3 is facilitated.

Referring to fig. 5, a first clamping block 16 and a second clamping block 17 are respectively mounted on the two semicircular plates 6, the first clamping block 16 and the second clamping block 17 are located at the joint position, a second screw rod 18 penetrates through the first clamping block 16 and the second clamping block 17, the directions of threads on the second screw rod 18 are opposite from the center to two ends, and a knob 19 is welded on one side of the second screw rod 18; during operation, when installing the solid fixed ring on watchcase 1, need use the clamp assembly, through rotating knob 19, drive second lead screw 18 rotation, first clamp splice 16 and second clamp splice 17 on the second lead screw 18 slide in opposite directions in step until pasting tightly, realized fixing the solid fixed ring, be favorable to dismantling fast and install the solid fixed ring.

The working principle is that the existing gas meter is sealed by sealant or welded when the diaphragm 3 is installed, the diaphragm 3 cannot be removed after sealing, if leakage is detected by a leakage detecting device, the whole gas meter can only be scrapped, the diaphragm 3 is placed on the first rubber pad 4 through placing the first rubber pad 4 in the placing groove 2, the fixed ring is installed on the watchcase 1, the diaphragm 3 is pressed by the pressing plate 7, sealing is achieved, the fixed ring can be removed, disassembly maintenance is facilitated, scrapping of the whole gas meter due to incapability of removing is avoided, resource waste is reduced, in the process of sealing the diaphragm 3, a fastening component is needed, the pressing plate 7 is pushed by the connecting plate 15, sealing of the diaphragm 3 is achieved by pressing the pressing plate 7, the diaphragm 3 is favorable for quick sealing, when the fixed ring is installed on the watchcase 1, the clamping component is needed to be used, the second screw 18 is driven to rotate by rotating the rotating knob 19, the first clamping block 16 and the second clamping block 17 synchronously slide towards each other until the fixed ring is tightly adhered to realize, and quick disassembly and fixation of the fixed ring is facilitated.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a gas table diaphragm sealing device, includes watchcase (1), set up standing groove (2) on watchcase (1) top inner wall, standing groove (2) are last to have placed diaphragm (3), first rubber pad (4) have been placed between diaphragm (3) and standing groove (2), second rubber pad (5) have been placed on watchcase (1) outer wall, first rubber pad (4) and second rubber pad (5) are integrated into one piece structure, watchcase (1) upper end cover is equipped with solid fixed ring, gu fixed ring comprises two semicircle board (6), semicircle board (6) inner wall is pasted with watchcase (1) outer wall mutually, second rubber pad (5) position is between semicircle board (6) inner wall and watchcase (1) outer wall, two semicircle board (6) are through hinge rotation connection, install clamp plate (7) on semicircle board (6) inner wall, clamp plate (7) bottom side fixed mounting has sealing ring (8), sealing ring (8) are pasted with diaphragm (3) mutually, install fastening assembly on the semicircle board (6).

2. The gas meter diaphragm seal of claim 1, wherein: the structure of the first rubber pad (4) is matched with the structure of the top end of the watchcase (1), the first rubber pad (4) is attached to the surface of the watchcase (1), and a gap between the side wall of the diaphragm (3) and the first rubber pad (4) is located under the sealing ring (8).

3. The gas meter diaphragm seal of claim 1, wherein: the positioning plate (9) is fixedly arranged on the middle section of the outer wall of the watchcase (1), and the fixing ring is placed on the positioning plate (9).

4. The gas meter diaphragm seal of claim 1, wherein: a sliding groove (10) is formed in the inner wall of the semicircular plate (6), a sliding block (11) is assembled in the sliding groove (10), and the sliding block (11) is fixedly connected with the pressing plate (7).

5. The gas meter diaphragm seal of claim 1, wherein: the fastening assembly comprises a sliding plate (12), the sliding plate (12) is fixedly arranged on the top side of a semicircular plate (6), a first screw rod (13) penetrates through the sliding plate (12), threads are formed in the sliding plate (12), the sliding plate (12) is matched with the first screw rod (13) to slide through the threads, a rotating rod (14) is welded on the top side of the first screw rod (13), a connecting plate (15) is welded on the bottom side of the first screw rod (13), the connecting plate (15) is connected with a pressing plate (7) in a rotating mode, and four groups of fastening assemblies are arranged.

6. The gas meter diaphragm seal of claim 1, wherein: the two semicircular plates (6) are respectively provided with a first clamping block (16) and a second clamping block (17), the first clamping block (16) and the second clamping block (17) are located at the joint position, the first clamping block (16) and the second clamping block (17) penetrate through a second screw rod (18), threads on the second screw rod (18) are opposite from the center to the two ends, and a knob (19) is welded on one side of the second screw rod (18).