Leak detection device for diaphragm of gas meter

Abstract

The utility model discloses a gas meter diaphragm leak detection device, which relates to the technical field of gas meter diaphragm leak detection equipment and comprises a base plate, a pressing mechanism is arranged at the top of the base plate, and a protection mechanism is arranged at the top of the base plate and used for protecting personnel. An adaptive mechanism is arranged in the protection mechanism and is used for adapting to diaphragms with different specifications and sizes for detection; the adaptive mechanism comprises an electric unit, a detection unit and a control unit; a linkage unit; according to the adjusting unit, an adaptive mechanism is arranged, a driving motor operates to drive a first bevel gear to rotate, the first bevel gear drives a second bevel gear to rotate, the second bevel gear drives a rotating shaft to rotate, the rotating shaft drives a rotating disc to rotate, and the rotating disc drives a sliding column to slide in a straight sliding groove in a reciprocating mode through an arc-shaped sliding groove; the multiple adjusting blocks are driven to move centripetally or move away from the center, so that the sizes of the middles of the multiple rubber pads are adjusted, gas meter diaphragms of different sizes can be placed, and the adaptability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas meter diaphragm leakage detection equipment, in particular to a gas meter diaphragm leakage detection device. Background Art

[0002] The gas meter diaphragm is a key component in the gas meter. It is an important part for measuring and recording gas flow inside the gas meter. The gas meter diaphragm is usually made of elastic materials, such as rubber or synthetic rubber, which have good elasticity and corrosion resistance and can adapt to the complex working environment and gas flow conditions inside the gas meter.

[0003] After checking the announcement number: CN208984308U, a gas meter diaphragm leak detection device is disclosed, including a support leg, a vertical pole, a support platform, a top seat, a lower membrane and an upper mold, the top seat and the support leg are respectively arranged at the upper and lower ends of the vertical pole, the lower membrane is arranged on the support platform, and an upper mold is arranged above the lower mold for pressing the outer flange of the diaphragm with the lower mold; the upper mold is connected to the top seat through a downward pressure buffer mechanism, and guide holes matching the vertical poles are opened at both ends of the support platform, the support platform is movably connected to the two vertical poles, and a support plate is also arranged between the two vertical poles below the support platform, a first cylinder is installed on the support plate, and the shaft end of the first cylinder is connected to the bottom of the support platform through a connecting plate; this design has the advantages of simple structure, easy manufacturing, practicality and high efficiency.

[0004] Based on the above-mentioned prior art, the existing gas meter diaphragm leak detection device still has the following problems: most of the gas meter diaphragms on the current market are circular diaphragms, but the specifications and sizes of the gas meter diaphragms are different. The existing device has limitations when leaking gas meter diaphragms of different specifications. At the same time, the existing gas meter diaphragm is usually leaked by inflation, and cracks may occur when the manual operation is improper, posing a danger to the detection personnel. For this reason, the utility model provides a gas meter diaphragm leak detection device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a gas meter diaphragm leak detection device, which solves the following problems existing in the existing gas meter diaphragm leak detection devices: most of the gas meter diaphragms on the current market are circular diaphragms, but the specifications and sizes of the gas meter diaphragms are different. The existing devices have limitations when leaking gas meter diaphragms of different specifications. At the same time, the existing devices usually perform leak detection on the gas meter diaphragms by inflation, which may cause cracks when the manual operation is improper, posing a danger to the detection personnel.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a gas meter diaphragm leak detection device, including a substrate, a pressing mechanism is provided on the top of the substrate, a protective mechanism is provided on the top of the substrate for protecting personnel, and an adapting mechanism is provided inside the protective mechanism for adapting diaphragms of different specifications and sizes for detection, and the adapting mechanism includes:

[0007] An electric unit is arranged inside the protection mechanism and is used to provide kinetic energy;

[0008] The linkage unit is arranged above the electric unit, and comprises a mounting cylinder, a rotating shaft is rotatably mounted on the bottom of the inner cavity of the mounting cylinder, a second bevel gear is fixedly sleeved on the outer ring of the rotating shaft, a rotating disk is fixedly mounted on the top of the rotating shaft, and a plurality of arc-shaped sliding grooves are opened inside the rotating disk;

[0009] The regulating unit is arranged above the linkage unit and is used for clamping the gas meter diaphragm.

[0010] Preferably, the protection mechanism comprises a fixing plate fixedly mounted on the top of the base plate, a surrounding plate is fixedly mounted on the top of the fixing plate, and an observation window is provided on the front side of the surrounding plate.

[0011] Preferably, the electric unit includes a mounting plate fixedly mounted on the top of the fixing plate, and a mounting cylinder fixedly mounted on the top of the mounting plate, a driving motor fixedly mounted on the top of the mounting plate, a first bevel gear fixedly mounted on the output shaft of the driving motor, and the first bevel gear is meshed with the second bevel gear.

[0012] Preferably, the adjustment unit includes a top cover fixedly mounted on the top of the mounting cylinder, a plurality of straight slide grooves are provided inside the top cover, a sliding column is slidably mounted inside the straight slide groove, an adjustment block is fixedly mounted on the top of the sliding column, and a gas meter diaphragm is installed inside the adjustment block.

[0013] Preferably, a rubber pad is fixedly mounted on the top of the regulating block, and the top of the rubber pad is in contact with the bottom of the outer flange of the gas meter diaphragm.

[0014] Preferably, a rubber square pad is fixedly mounted on the bottom of the pressing plate of the pressing mechanism, and the bottom of the adapting mechanism is in contact with the top of the outer flange of the gas meter diaphragm.

[0015] The utility model provides a gas meter diaphragm leak detection device. Compared with the prior art, it has the following advantages:

[0016] Beneficial effects:

[0017] (1) The gas meter diaphragm leak detection device is provided with an adaptor mechanism. The driving motor drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the rotating shaft to rotate, the rotating shaft drives the turntable to rotate, the turntable drives the sliding column to slide back and forth inside the straight slide groove through the arc slide groove, and drives a plurality of adjustment blocks to move toward or away from the center, thereby adjusting the size of the middle of a plurality of rubber pads, so that gas meter diaphragms of different sizes can be placed, thereby improving the adaptability of the device.

[0018] (2) The gas meter diaphragm leak detection device is provided with a protective mechanism, in which the adapter mechanism is arranged inside the protective mechanism, and the enclosure wraps the adapter mechanism inside. The user can observe the gas meter diaphragm on the adapter mechanism through the observation window, thereby preventing the gas meter diaphragm from breaking due to improper operation of the person during leak detection, thereby preventing injuries to the person. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a right-side stereoscopic structural diagram of the utility model;

[0020] Figure 2 This is a three-dimensional internal structure diagram of the utility model;

[0021] Figure 3 It is a cross-sectional three-dimensional structural diagram of the adapting mechanism of the utility model;

[0022] Figure 4 This is a sectional three-dimensional structural diagram of the linkage unit of the utility model;

[0023] Figure 5 It is a three-dimensional structural diagram of the adjustment unit of the utility model.

[0024] In the figure: 1-base plate, 2-adaptation mechanism, 21-electric unit, 211-mounting plate, 212-driving motor, 213-first bevel gear, 22-linkage unit, 221-mounting cylinder, 222-rotating shaft, 223-second bevel gear, 224-turntable, 225-arc slide, 23-adjustment unit, 231-top cover, 232-straight slide, 233-sliding column, 234-adjustment block, 235-rubber pad, 3-protection mechanism, 31-fixed plate, 32-enclosure, 33-observation window, 4-pressing mechanism, 5-rubber square pad, 6-gas meter diaphragm. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 5 , the utility model provides a technical solution:

[0027] A gas meter diaphragm leak detection device comprises a substrate 1, a pressing mechanism 4 is arranged on the top of the substrate 1, a protection mechanism 3 is arranged on the top of the substrate 1 for protecting personnel, and an adapting mechanism 2 is arranged inside the protection mechanism 3 for adapting to diaphragms of different specifications and sizes for detection, and the adapting mechanism 2 comprises:

[0028] The electric unit 21 is disposed inside the protection mechanism 3 and is used to provide kinetic energy;

[0029] The linkage unit 22 is arranged above the electric unit 21, and includes a mounting cylinder 221. A rotating shaft 222 is rotatably mounted at the bottom of the inner cavity of the mounting cylinder 221. A second bevel gear 223 is fixedly sleeved on the outer ring of the rotating shaft 222. A rotating disk 224 is fixedly mounted on the top of the rotating shaft 222. A plurality of arc-shaped sliding grooves 225 are opened inside the rotating disk 224.

[0030] The regulating unit 23 is disposed above the linkage unit 22 and is used to clamp the gas meter diaphragm.

[0031] The driving motor 212 drives the first bevel gear 213 to rotate, the first bevel gear 213 drives the second bevel gear 223 to rotate, the second bevel gear 223 drives the rotating shaft 222 to rotate, the rotating shaft 222 drives the turntable 224 to rotate, the turntable 224 drives the sliding column 233 to slide back and forth inside the straight slide groove 232 through the arc slide groove 225, thereby driving several adjustment blocks 234 to move toward or away from the center, thereby adjusting the size of the middle of several rubber pads 235, so that gas meter diaphragms of different sizes can be placed, thereby improving the adaptability of the device.

[0032] In this embodiment, the protection mechanism 3 includes a fixing plate 31 fixedly mounted on the top of the base plate 1 , a surrounding plate 32 is fixedly mounted on the top of the fixing plate 31 , and an observation window 33 is provided on the front side of the surrounding plate 32 .

[0033] The adapter mechanism 2 is arranged inside the protective mechanism 3, and the enclosure 32 wraps the adapter mechanism 2 inside. The user can observe the gas meter diaphragm on the adapter mechanism 2 through the observation window 33, thereby preventing the gas meter diaphragm from cracking due to improper operation during leak detection and causing harm to personnel.

[0034] In this embodiment, the electric unit 21 includes a mounting plate 211 fixedly mounted on the top of the fixing plate 31, and the mounting cylinder 221 is fixedly mounted on the top of the mounting plate 211. A driving motor 212 is fixedly mounted on the top of the mounting plate 211. The output shaft of the driving motor 212 is fixedly mounted with a first bevel gear 213, and the first bevel gear 213 is meshed with the second bevel gear 223.

[0035] The driving motor 212 is of model OMV800, which is electrically connected to an external power source and is opened and closed by a person operating a control panel.

[0036] In this embodiment, the adjustment unit 23 includes a top cover 231 fixedly installed on the top of the mounting cylinder 221, a plurality of straight slide grooves 232 are opened inside the top cover 231, a sliding column 233 is slidably installed inside the straight slide groove 232, an adjustment block 234 is fixedly installed on the top of the sliding column 233, and a gas meter diaphragm 6 is installed inside the adjustment block 234.

[0037] In this embodiment, a rubber pad 235 is fixedly mounted on the top of the adjustment block 234 , and the top of the rubber pad 235 is in contact with the bottom of the outer flange of the gas meter diaphragm 6 .

[0038] The top of the rubber pad 235 contacts the bottom of the outer flange of the gas meter diaphragm 6, thereby preventing the adjustment block 234 from rubbing against the bottom of the outer flange of the gas meter diaphragm 6 and causing damage, thereby achieving a protective effect on the gas meter diaphragm 6.

[0039] In this embodiment, a rubber square pad 5 is fixedly installed at the bottom of the pressing plate of the pressing mechanism 4 , and the bottom of the adapting mechanism 2 is in contact with the top of the outer flange of the gas meter diaphragm 6 .

[0040] The bottom of the adapter mechanism 2 contacts the top of the outer flange of the gas meter diaphragm 6, thereby avoiding friction between the bottom of the pressure plate of the pressing mechanism 4 and the top of the outer flange of the gas meter diaphragm 6, which may cause damage, thereby achieving a protective effect on the gas meter diaphragm 6.

[0041] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0042] During operation, the user first connects the device to an external power source, then drives the motor 212 to drive the first bevel gear 213 to rotate, the first bevel gear 213 drives the second bevel gear 223 to rotate, the second bevel gear 223 drives the rotating shaft 222 to rotate, the rotating shaft 222 drives the turntable 224 to rotate, the turntable 224 drives the sliding column 233 to slide back and forth inside the straight slide groove 232 through the arc slide groove 225, thereby driving a number of adjustment blocks 234 to move centripetally or away from the center, thereby adjusting the size of the middle of a number of rubber pads 235 to a size suitable for the gas meter diaphragm to be inspected, and then the cylinder of the pressing mechanism 4 operates to drive the rubber square pad 5 installed on the pressure plate to contact the top of the gas meter diaphragm, at this time, the air inlet pipe inflates the inside of the gas meter diaphragm through the air outlet head in the middle of the rubber square pad 5, and performs a leak detection operation on the gas meter diaphragm, and the personnel receive the data fed back by the pressure gauge through the side display screen of the substrate 1 to judge the condition of the gas meter diaphragm.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas meter diaphragm leak detection device, comprising a substrate (1), a pressing mechanism (4) being arranged on the top of the substrate (1), characterized in that: A protective mechanism (3) is provided on the top of the substrate (1) for protecting personnel, and an adapting mechanism (2) is provided inside the protective mechanism (3) for adapting to membranes of different specifications and sizes for detection, wherein the adapting mechanism (2) comprises: An electric unit (21) is arranged inside the protection mechanism (3) and is used to provide kinetic energy; The linkage unit (22) is arranged above the electric unit (21), and comprises a mounting cylinder (221), a rotating shaft (222) is rotatably mounted on the bottom of the inner cavity of the mounting cylinder (221), a second bevel gear (223) is fixedly sleeved on the outer ring of the rotating shaft (222), a rotating disk (224) is fixedly mounted on the top of the rotating shaft (222), and a plurality of arc-shaped sliding grooves (225) are opened inside the rotating disk (224); The regulating unit (23) is arranged above the linkage unit (22) and is used to clamp the gas meter diaphragm.

2. A gas meter diaphragm leak detection device according to claim 1, characterized in that: The protection mechanism (3) comprises a fixing plate (31) fixedly mounted on the top of the base plate (1), a surrounding plate (32) fixedly mounted on the top of the fixing plate (31), and an observation window (33) is provided on the front side of the surrounding plate (32).

3. A gas meter diaphragm leak detection device according to claim 2, characterized in that: The electric unit (21) comprises a mounting plate (211) fixedly mounted on the top of a fixing plate (31), and a mounting cylinder (221) fixedly mounted on the top of the mounting plate (211); a driving motor (212) is fixedly mounted on the top of the mounting plate (211); a first bevel gear (213) is fixedly mounted on the output shaft of the driving motor (212), and the first bevel gear (213) is meshedly mounted with a second bevel gear (223).

4. A gas meter diaphragm leak detection device according to claim 1, characterized in that: The regulating unit (23) comprises a top cover (231) fixedly mounted on the top of the mounting cylinder (221), a plurality of straight slide grooves (232) being provided inside the top cover (231), a sliding column (233) being slidably mounted inside the straight slide groove (232), an regulating block (234) being fixedly mounted on the top of the sliding column (233), and a gas meter diaphragm (6) being mounted inside the regulating block (234).

5. A gas meter diaphragm leak detection device according to claim 4, characterized in that: A rubber pad (235) is fixedly mounted on the top of the regulating block (234), and the top of the rubber pad (235) is in contact with the bottom of the outer flange of the gas meter diaphragm (6).

6. A gas meter diaphragm leak detection device according to claim 4, characterized in that: A rubber square pad (5) is fixedly mounted on the bottom of the pressing plate of the pressing mechanism (4), and the bottom of the adapting mechanism (2) is in contact with the top of the outer flange of the gas meter diaphragm (6).

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