CN210400742U

CN210400742U - Air pressure leak detection device

Info

Publication number: CN210400742U
Application number: CN201921380258.3U
Authority: CN
Inventors: 谢坚良; 许敏影; 郑玉斌
Original assignee: HANGZHOU WATER METER CO Ltd
Current assignee: HANGZHOU WATER METER CO Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-04-24
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a atmospheric pressure leak hunting device, it is main including control system, the leak hunting operation panel comprises the cabinet body etc. the cabinet body is including the basin that is located the top, pneumatic component and the pipe-line system of panel button control cabinet and cabinet body internally mounted, basin top installation rack, the rack is gone up and down and is gone up and down by the direction cylinder guiding orientation of basin both sides by the rack lift master cylinder drive at basin middle part, set up station A on the rack side by side, station B, station C and go up and set up cylinder group A respectively, cylinder group B, cylinder group C, control system is pneumatic system. The utility model can rapidly detect the air pressure leakage of the threading plastic part of the glass component of the dry coding water meter, has excellent sealing performance, can not crush an external plug, and can effectively avoid the glass from being crushed; the push button all sets up with launching the button and respectively controls each a pair of cooperation, needs operating personnel both hands to press simultaneously, just can start, operates safelyr.

Description

Air pressure leak detection device

Technical Field

The utility model relates to a field that the detection was made to the water gauge, concretely relates to atmospheric pressure leak hunting device.

Background

Water meters are classified into wet water meters, dry water meters and liquid seal water meters according to whether the counter is immersed in water. Water meters with different performances have differences in the design of pressure resistance and counting transmission principle of the meter glass. The utility model relates to an atmospheric pressure leak hunting device mainly uses the table glass subassembly of dry-type code water gauge and detects the flow link. The transmission of the sensor and the counter of the dry water meter is magnetic steel transmission, and the core assembly realizes the sealing of the core assembly by means of the meter glass and the meter glass O-shaped ring. The inside of the coding meter movement is in a vacuum environment, data transmission and power supply of the water meter are realized by the aid of a threading plastic piece in an eccentric hole in the meter glass, and the good sealing performance of the coding meter movement further ensures the good and bad overall performance of the water meter. The water meter market does not generally adopt vacuum technology at present, and if the threading that table glass adds moulds the piece poor can make the water meter because reasons such as soaking, the great change of ambient temperature, silt cause the core to intake in regulation life, can't read data, the water meter is scrapped if the leakproofness is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art existence, and provide a atmospheric pressure leak hunting device.

The purpose of the utility model is accomplished through following technical scheme: the air pressure leakage detecting device mainly comprises a control system and a leakage detecting operation table, wherein the leakage detecting operation table is composed of a cabinet body, a rack lifting main cylinder, a guide air cylinder, a rack, a cylinder group A, a cylinder group B and a cylinder group C, the cabinet body comprises a water tank positioned at the top, a panel button control table and a pneumatic element and a pipeline system which are arranged in the cabinet body, the rack is arranged above the water tank, the rack is driven to lift by the rack lifting main cylinder in the middle of the water tank and is guided and positioned by the guide air cylinders on two sides of the water tank, the station A, the station B and the station C are arranged on the rack side by side, the cylinder group A, the cylinder group B and the cylinder group C are respectively arranged on the station A, the station B and the station C, the control system is a pneumatic system, the pneumatic system loads a.

The cylinder group A, the cylinder group B and the cylinder group C all comprise a depressing cylinder and a base cylinder which are arranged on the same axis.

The base cylinder is special customization cylinder, and upper portion is equipped with O type circle mounting groove, can with table glass realize sealed under the effect that compresses tightly of cylinder, and inside design has and moulds a external diameter matched with cylinder base with table glass threading, can hold the threading just and mould a piece, and the cylinder fluting, allows the threading to mould an external plug and follow the notch external in bigger space, avoids pressing down the cylinder and crushing external plug when pushing down.

A stainless steel gasket with a groove is additionally arranged at the bottom of a piston rod of the pressing cylinder, and a half-moon-shaped rubber pad is fastened at the lower end of the stainless steel gasket by virtue of a screw.

The rack is made of aluminum sections and hollow square steel.

The panel button control console comprises a green power switch button, a red power-on indicator lamp, a green water supply button, a yellow press button and a red water discharge button.

The yellow press button and the red launch button can be pressed simultaneously to realize corresponding functions.

The utility model has the advantages that: the utility model can rapidly detect the air pressure leakage of the threading plastic part of the glass component of the dry coding water meter, has excellent sealing performance, can not crush an external plug, and can effectively avoid the glass from being crushed; the press button and the launching button are respectively matched in a left-right mode, an operator can start the operation only by pressing down the press button and the launching button simultaneously with both hands, the operation is safer, and the danger that the operator operates with one hand in the operation process and the other hand is pressed by the air cylinder can be effectively avoided.

Drawings

Fig. 1 is a structural axis view of the present invention.

Fig. 2 is a front view of the structure of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a front view of the screw-down cylinder of the present invention.

Fig. 5 is a bottom view of the push down cylinder of the present invention.

Description of reference numerals: cabinet 1, basin 2, panel button control cabinet 3, station A4, station B5, station C6, cylinder group A7, cylinder group B8, cylinder group C9, leak detection operation panel 10, rack 11, green power switch button 12, red power-on indicator lamp 13, green button 14 of going up water, yellow button 15, red button 16 of going down water, air cylinder 17, base air cylinder 18, rack lift master cylinder 19, direction air cylinder 20, stainless steel gasket 21, recess 22, half moon shape cushion 23.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

example (b): as shown in the attached drawings, the air pressure leakage detecting device mainly comprises a control system and a leakage detecting operation table 10, wherein the leakage detecting operation table 10 is composed of a cabinet body 1, a rack lifting main cylinder 19, a guide cylinder 20, a rack 11, a cylinder group a7, a cylinder group B8 and a cylinder group C9, the cabinet body 1 comprises a water tank 2 positioned at the top, a panel button control table 3 and a pneumatic element and pipeline system arranged in the cabinet body 1, the rack 11 is arranged above the water tank 2, and the rack 11 is made of aluminum profiles and hollow square steel. The rack 11 is driven to ascend and descend by a rack ascending and descending main cylinder 19 in the middle of the water tank 2 and is guided and positioned by guide cylinders 20 on two sides of the water tank 2, when the rack is pressed down and filled with water, three stations of the rack are uniformly stressed, the reliability of air tightness detection is further ensured, a station A4, a station B5 and a station C6 are arranged on the rack 11 side by side, a cylinder group A7, a cylinder group B8 and a cylinder group C9 are arranged on the station A4, the station B5 and the station C6 respectively, and the cylinder group A7, the cylinder group B8 and the cylinder group C9 respectively comprise a pressing cylinder 17 and a base cylinder 18 which are arranged on the same axis. Base cylinder 18 is special customization cylinder, and upper portion is equipped with O type circle mounting groove, can with table glass realize sealing under the effect that compresses tightly of cylinder 17, and inside design has and moulds a external diameter matched with cylinder base with table glass threading, can hold the threading just and mould a piece, and the cylinder fluting, allows the threading to mould an external plug and follow the notch external in bigger space, avoids pressing down and crushes external plug when cylinder 17 pushes down. The stainless steel gasket 21 with the groove 22 is additionally arranged at the bottom of the piston rod of the pressing cylinder 17, the lower end of the stainless steel gasket 21 is fastened with a half-moon-shaped rubber pad 23 by virtue of a screw, and the structure can avoid direct contact between the piston rod and the watch glass when the watch glass is pressed or the watch glass is crushed due to reasons of overlarge stress, improper operation and the like. The control system is a pneumatic system, the pneumatic system loads a plurality of cylinders, the cylinders realize different preset functions in groups, and the preset functions mainly comprise a pressing function, a lifting function and the like. The panel button console 3 includes a green power switch button 12, a red power-on indicator lamp 13, a green water supply 14, a yellow press button 15, and a red water discharge button 16. The yellow press button 15 and the red launch button 16 are both pressed simultaneously from left to right to realize corresponding functions.

The utility model discloses the working process: the pressure valve of the air source outlet of the pneumatic system is set to be 0.04MPa, the air source pressure is ensured, a 220V power supply is connected, and a red indicator lamp is turned on; horizontally placing a watch glass assembly with a threading plastic part on the base cylinder 18, aligning the plastic part with a groove of a station, accurately placing an external plug, and withdrawing two hands; pressing the yellow press button 15 with both hands simultaneously; the red launching button 16 is pressed by two hands simultaneously, and the watch glass is completely immersed in the water; standing for one minute to observe whether bubbles emerge from the threading plastic parts and the communication line plugs in the surface glass assemblies on the three stations; pressing the green water feeding button 14, taking out the watch glass assembly and rejecting unqualified products. The test phenomena of unqualified products mainly include the following phenomena: air leakage occurs at the positions of the plastic part gasket and the glass circular hole; the wiring harness in the plastic part and the plastic part are sealed by glue, air leakage occurs, and air bubbles appear.

It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.

Claims

1. An atmospheric pressure leak hunting device which characterized in that: mainly including control system, leak hunting operation panel (10) comprises cabinet body (1), rack lift master cylinder (19), direction cylinder (20), rack (11), cylinder group A (7), cylinder group B (8), cylinder group C (9), cabinet body (1) is including basin (2) that are located the top, pneumatic component and the pipe-line system of panel button control cabinet (3) and cabinet body (1) internally mounted, rack (11) is installed to basin (2) top, rack (11) are gone up and down and are guided the location by direction cylinder (20) of basin (2) both sides by rack lift master cylinder (19) drive in the middle part of basin (2), set up station A (4) side by side on rack (11), station B (5), station C (6), station A (4), station B (5), set up cylinder group A (7) respectively on station C (6), The control system is a pneumatic system, the pneumatic system loads a plurality of cylinders, the cylinders realize different preset functions in groups, and the preset functions mainly comprise a pressing function and a lifting function.

2. A pneumatic leak detection apparatus as defined in claim 1, wherein: the cylinder group A (7), the cylinder group B (8) and the cylinder group C (9) all comprise a depressing cylinder (17) and a base cylinder (18) which are arranged on the same axis.

3. A pneumatic leak detection apparatus as defined in claim 2, wherein: base cylinder (18) upper portion is equipped with O type circle mounting groove, can with table glass realize sealed under the effect that compresses tightly of cylinder (17) pushes down, and inside design has and moulds a external diameter matched with cylinder base with table glass threading, can hold the threading just and mould a piece, and the cylinder fluting, allows the threading to mould an external plug and follow the notch external in bigger space, avoids pushing down cylinder (17) and push down the time and crush external plug.

4. A pneumatic leak detection apparatus as defined in claim 2, wherein: a stainless steel gasket (21) with a groove (22) is additionally arranged at the bottom of a piston rod of the pressing cylinder (17), and a half-moon-shaped rubber pad (23) is fastened at the lower end of the stainless steel gasket (21) by virtue of a screw.

5. A pneumatic leak detection apparatus as defined in claim 1, wherein: the rack (11) is made of aluminum section and hollow square steel.

6. A pneumatic leak detection apparatus as defined in claim 1, wherein: the panel button console (3) comprises a green power switch button (12), a red power-on indicator lamp (13), a green water supply button (14), a yellow press button (15) and a red water discharge button (16).

7. An air pressure leak detection apparatus according to claim 6, wherein: the yellow press button (15) and the red launch button (16) are simultaneously pressed left and right to realize corresponding functions.