CN210981683U

CN210981683U - Sealing performance measuring device of automatic instrument based on vibration environment

Info

Publication number: CN210981683U
Application number: CN201922144473.XU
Authority: CN
Inventors: 李艳; 张翠菊
Original assignee: Leewell Intelligence Shenzhen Co ltd
Current assignee: Leewell Intelligence Shenzhen Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-10
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a leakproofness measuring device based on automatic instrument under vibration environment, including the vibration board, four connecting rods are installed at the top of the vibration board symmetry embedding, four outer terminal surfaces of the connecting rod are all sheathed with springs, four bottom welding of connecting rod has a fixed plate, the vibrating motor is installed through the screw in the top of fixed plate, the top welding of vibration board has a breather pipe, the top of breather pipe is installed with the glass pipe, the liquid storage bag is installed to the bottom of glass pipe, the inside packing of liquid storage bag has red ink; the utility model discloses a set up air cylinder, glass pipe, stock solution bag and red ink, to letting in the air after the pressure boost in air cylinder and the connecting tube, red ink moves in to glass pipe, and whether the intraductal red ink of observation glass moves down, judges whether the instrument leaks gas, has solved the water logging method and has damaged the instrument easily, remains water stain scheduling problem, reaches to observe more directly perceived, reduces the effect that the device damaged.

Description

Sealing performance measuring device of automatic instrument based on vibration environment

Technical Field

The utility model relates to a technical field is measured to the leakproofness of instrument, specifically is a leakproofness measuring device based on automatic instrument under the vibration environment.

Background

The natural gas automobile is popularized and applied in the world and various provinces and cities in China, a series of automatic instruments such as a natural gas display meter and the like are required to be arranged in the automobile powered by natural gas as fuel for measuring the use condition of the natural gas, the main component of the natural gas is combustible methane, and if the automatic instruments such as the natural gas display meter and the like have poor sealing performance, the natural gas is easy to leak, so that potential safety hazards are caused, and therefore, the sealing performance detection becomes an important process in the production and processing of the automatic instruments;

however, in the existing market, a tightness measuring device based on an automatic instrument in a vibration environment usually uses a dry air method and a water immersion method, and the instrument needs to be immersed in water during measurement by the water immersion method, so that water is accumulated in a measurement site, and the inside of the instrument is easily immersed in water and even damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a leakproofness measuring device based on automatic instrument under vibration environment can effectively solve and put forward in the above-mentioned background art on the existing market a leakproofness measuring device based on automatic instrument under vibration environment often uses dry air method and water logging method, need immerse the instrument in the aquatic when water logging method is measured, not only leads to measuring place ponding, makes the inside problem of intaking, damage even of instrument moreover easily.

In order to achieve the above object, the utility model provides a following technical scheme: a tightness measuring device of an automatic instrument based on a vibration environment comprises a vibration plate, wherein four connecting rods are symmetrically embedded and installed at the top end of the vibration plate, springs are sleeved on the outer end faces of the four connecting rods, a fixing plate is welded at the bottom ends of the four connecting rods, a vibration motor is installed at the top end of the fixing plate through screws, the input end of the vibration motor is electrically connected with the output end of an external power supply, a ventilation cylinder is welded at the top end of the vibration plate, a glass tube is installed at the top end of the ventilation cylinder, a liquid storage bag is installed at the bottom end of the glass tube, red ink is filled in the liquid storage bag, a first ventilation interface is welded at one side end face of the ventilation cylinder, a second ventilation interface is welded at one side end face of the ventilation cylinder, which is far away from the first ventilation interface, and, the utility model discloses a pump, including breather pipe, pump mouth takeover, breather pipe, booster pump, pump mouth take over, the mid-mounting of breather pipe has the check valve, the booster pump is installed to the breather pipe one end of keeping away from second air interface, the input of booster pump and the output electric connection of commercial power, the pump mouth takeover is installed to the bottom of booster pump.

Preferably, the top end of the glass tube is sealed, the bottom end of the glass tube is installed inside the liquid storage bag, and the liquid level of the red ink in the liquid storage bag is flush with the top end of the ventilation cylinder under normal pressure.

Preferably, four springs are installed between the vibration plate and the fixing plate.

Preferably, the top welding of vibration board has the support frame, the dial plate is installed on the top of support frame, the bottom welding of dial plate has the pipeline interface, the bottom of pipeline interface is through screw thread fixedly connected with connecting pipe, the top welding of support frame has first seal box, the one end welding that the section of thick bamboo is close to first interface of ventilating has the second seal box, the pressure gauge is all installed on the top of first seal box and second seal box, the sealing plug is all installed to the outer terminal surface of first seal box and second seal box.

Preferably, the bracing piece is installed to the bottom of support frame, the cross section of bracing piece is U type structure, the top welding of bracing piece has the arc backup pad.

Preferably, round holes are formed in the top end and the bottom end of the first seal box, the seal plug is embedded in the round holes, the diameter of the round hole in the top end of the first seal box is equal to the diameter of the pipeline connector, and the diameter of the round hole in the bottom end of the first seal box is equal to the diameter of the connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of scientific and reasonable structure, safe and convenient use

1. Through setting up air cylinder, glass pipe, stock solution bag and red ink, to letting in the air after the pressure boost in air cylinder and the connecting tube, red ink moves in to the glass pipe, and whether red ink moves down in the observation glass pipe, judges whether the instrument leaks gas, has solved the water logging method and has damaged the instrument easily, remains water stain scheduling problem, reaches and observes more directly perceived, reduces the effect that the device damaged.

2. Through setting up first seal box, second seal box, pressure gauge and sealing plug, carry out pressure measurement respectively to the junction at connecting pipe both ends, conveniently further confirm the gas leakage position, further analysis is conveniently done to the gas leakage condition.

3. Through setting up the support frame, the arc backup pad on the support frame supports the dial plate, and the bracing piece supports the connecting pipe, makes things convenient for the fixed of instrument, reduces buckling of connecting pipe, influences measuring result, makes measuring result more accurate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic sectional structure of the present invention;

FIG. 4 is a schematic view of the glass tube structure of the present invention;

reference numbers in the figures: 1. a vibrating plate; 2. a connecting rod; 3. a spring; 4. a fixing plate; 5. a vibration motor; 6. a breather tube; 7. a glass tube; 8. a liquid storage bag; 9. red ink; 10. a first vent interface; 11. a second vent interface; 12. a breather pipe; 13. a one-way valve; 14. a booster pump; 15. a pump port connecting pipe; 16. a support frame; 17. a dial plate; 18. a pipe interface; 19. a connecting pipe; 20. a first seal box; 21. a second seal box; 22. a pressure gauge; 23. and (4) sealing the plug.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Embodiment as shown in fig. 1-4, the utility model provides a technical scheme, a leakproofness measuring device based on automatic instrument under vibration environment, including vibration board 1, vibration board 1's top symmetry embedding installs four connecting rods 2, four connecting rods 2's outer terminal surface all overlaps and is equipped with spring 3, four connecting rods 2's bottom welding has fixed plate 4, in order to make vibration board 1 vibrate, four spring 3 all install between vibration board 1 and fixed plate 4, the top of fixed plate 4 is installed vibrating motor 5 through the screw, vibrating motor 5's model is L N-01, vibrating motor 5's input and the output electric connection of external power source, vibration board 1's top welding has breather pipe 6, glass pipe 7 is installed on breather pipe 6's top, liquid storage bag 8 is installed to glass pipe 7's bottom, the inside packing of liquid storage bag 8 has red ink 9, for the observation to red ink 9 liquid level after increasing, the top sealing of glass pipe 7, the bottom mounting of glass pipe 7 is in liquid storage bag 8, for the convenience, in order to increase the observation to the liquid storage bag 8, the top of red ink 9 liquid level, the top sealing of liquid storage bag, glass pipe 7's top sealing of the liquid storage bag, the one side welding has the booster pump 12, the booster pump 11 is installed through the second breather pipe 13, the booster pump 11 one end face of the booster pump 11, the booster pump 11 is connected with the booster pump, the booster pump 11.

The top welding of vibration board 1 has the support frame 16, the top of support frame 16 is installed with the dial plate 17, the bottom welding of dial plate 17 has pipeline interface 18, the bottom of pipeline interface 18 is through screw thread fixedly connected with connecting pipe 19, in order to make support frame 16 play good supporting role to dial plate 17 and connecting pipe 19, the bottom of support frame 16 is installed with the bracing piece, the cross section of bracing piece is U type structure, the top welding of bracing piece has arc backup pad, the top welding of support frame 16 has first seal box 20, the one end of breather pipe 6 near first ventilating interface 10 has second seal box 21, the top of first seal box 20 and second seal box 21 all installs pressure gauge 22, the outer terminal surface of first seal box 20 and second seal box 21 all installs sealing plug 23, in order to make sealing plug 23 and seal box closely, the top and the bottom of first seal box 20 all have seted up the round hole, the sealing plug 23 is embedded in the circular hole, the diameter of the circular hole at the top end of the first sealing box 20 is equal to the diameter of the pipeline connector 18, and the diameter of the circular hole at the bottom end of the first sealing box 20 is equal to the diameter of the connecting pipe 19.

The utility model discloses a theory of operation and use flow: firstly, an instrument to be detected is fixed on a support frame 16, a dial plate 17 is fixed on an arc-shaped support plate of the support frame 16, a connecting pipe 19 is fixed on a support rod of the support frame 16, the support frame 16 is convenient to fix the instrument, the bending of the connecting pipe 19 is reduced, the accuracy of lateral quantity data is ensured, a sealing plug 23 is fixedly sleeved and connected with the outer end surface of the connecting pipe 19, then the bottom end of the connecting pipe 19 is connected with a first ventilation interface 10 of a ventilation cylinder 6, the sealing plug 23 is tightly plugged with a first sealing box 20 and a second sealing box 21 respectively, a vibration motor 5 is started, the vibration motor 5 drives a vibration plate 1 to vibrate on a spring 3, the vibration environment in the running process of an automobile is simulated, a one-way valve 13 is opened, a booster pump 14 is started, pressurized air is introduced into the ventilation cylinder 6 and the connecting pipe 19, and the red ink 9 in a liquid, the red ink 9 is moved into the glass tube 7, when the red ink 9 rises to the top end of the glass tube 7, the one-way valve 13 is closed, the booster pump 14 is closed, the reading of the pressure gauge 22 is recorded, whether the red ink 9 in the glass tube 7 falls or not is observed, the sealing performance of the instrument is judged by observing the liquid level height of the red ink 9, the problems that the device is easy to damage by a water immersion method, water stain is remained and the like are solved, the observation is more visual, and the effect of reducing the damage of the device is achieved;

if the liquid level of the red ink 9 in the glass tube 7 does not drop, the instrument has good sealing performance, if the liquid level of the red ink 9 in the glass tube 7 drops, the instrument has poor sealing performance, whether the readings of the two pressure gauges 22 change or not is observed, if the readings of the pressure gauges 22 on the first seal box 20 increase, the air leakage at the joint of the connecting tube 19 and the dial 17 is shown, if the readings of the pressure gauges 22 on the second seal box 21 increase, the air leakage at the joint of the connecting tube 19 and the vent cylinder 6 is shown, the air leakage position is quickly found, and the air leakage condition is conveniently further analyzed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a leakproofness measuring device based on automation instrument under vibration environment, includes vibration board (1), its characterized in that: four connecting rods (2) are symmetrically embedded in the top end of the vibrating plate (1), four springs (3) are sleeved on the outer end faces of the connecting rods (2), four fixing plates (4) are welded at the bottom ends of the connecting rods (2), a vibrating motor (5) is installed at the top end of each fixing plate (4) through screws, the input end of each vibrating motor (5) is electrically connected with the output end of an external power supply, a ventilating cylinder (6) is welded at the top end of the vibrating plate (1), a glass tube (7) is installed at the top end of the ventilating cylinder (6), a liquid storage bag (8) is installed at the bottom end of the glass tube (7), red ink (9) is filled in the liquid storage bag (8), a first ventilating interface (10) is welded at one side end face of the ventilating cylinder (6), and a second ventilating interface (11) is welded at one side end face of the ventilating cylinder (6) far away from, the one end of second air interface (11) is through screw thread fixedly connected with breather pipe (12), the mid-mounting of breather pipe (12) has check valve (13), booster pump (14) are installed to the one end that second air interface (11) were kept away from in breather pipe (12), the input of booster pump (14) and the output electric connection of commercial power, pump mouth takeover (15) are installed to the bottom of booster pump (14).

2. The device for measuring the tightness of an automated meter based on a vibration environment is characterized in that the top end of the glass tube (7) is sealed, the bottom end of the glass tube (7) is installed inside the liquid storage bag (8), and the liquid level of the red ink (9) in the liquid storage bag (8) is flush with the top end of the breather cylinder (6) under normal pressure.

3. The tightness measuring device based on the automatic meter under the vibration environment according to claim 1, wherein four springs (3) are installed between the vibration plate (1) and the fixing plate (4).

4. The tightness measuring device of an automated meter based on a vibration environment according to claim 1, it is characterized in that a supporting frame (16) is welded at the top end of the vibrating plate (1), a dial plate (17) is arranged at the top end of the supporting frame (16), a pipeline interface (18) is welded at the bottom end of the dial plate (17), the bottom end of the pipeline interface (18) is fixedly connected with a connecting pipe (19) through threads, a first sealing box (20) is welded at the top of the supporting frame (16), a second sealing box (21) is welded at one end of the breather cylinder (6) close to the first breather connector (10), the top ends of the first sealing box (20) and the second sealing box (21) are respectively provided with a pressure gauge (22), sealing plugs (23) are mounted on the outer end faces of the first sealing box (20) and the second sealing box (21).

5. The device for measuring the sealing performance of the automatic instrument based on the vibration environment is characterized in that a supporting rod is installed at the bottom end of the supporting frame (16), the cross section of the supporting rod is of a U-shaped structure, and an arc-shaped supporting plate is welded at the top end of the supporting rod.

6. The device for measuring the sealing performance of the automatic instrument based on the vibration environment is characterized in that round holes are formed in the top end and the bottom end of the first seal box (20), the sealing plug (23) is embedded in the round holes, the diameter of the round hole in the top end of the first seal box (20) is equal to the diameter of the pipeline interface (18), and the diameter of the round hole in the bottom end of the first seal box (20) is equal to the diameter of the connecting pipe (19).