CN217424641U - Isolation sleeve type pressure transmission device - Google Patents

Abstract

The utility model discloses an isolation sleeve type pressure transmission device, which comprises a shell, a first threaded hole, a transmission hole, a placing hole and a second threaded hole which are mutually communicated are sequentially arranged in the shell from bottom to top, a mounting sleeve is connected in the second threaded hole in a threaded manner, a third threaded hole is arranged in the mounting sleeve, a pressure gauge is connected in the third threaded hole in a threaded manner, a gasket is arranged on the lower end surface of the second threaded hole, a spacer sleeve is arranged on the upper surface of the gasket, a conduction liquid is arranged in the spacer sleeve, the spacer sleeve is positioned in the placing hole, a first sealing gasket is arranged on the upper surface of the spacer sleeve, the upper surface of the first sealing gasket is contacted with the lower surface of the mounting sleeve, a first round hole is arranged in the mounting sleeve, a second sealing gasket is arranged between the mounting sleeve and the pressure gauge, the conduction liquid is prevented from seeping out, a sealing gasket is provided with a through hole, a second round hole is arranged in the second sealing gasket, the conduction liquid can conveniently pass through, the first sealing gasket, and the second sealing gasket, the gasket and the spacer bush are made of corrosion-resistant materials.

Description

Isolation sleeve type pressure transmission device

Technical Field

The utility model relates to a pressure transmission device.

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific research. The method is widely available in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance factories and stores and the like. Especially in the industrial process control and technical measurement process, the mechanical pressure gauge is more and more widely applied due to the characteristics of high mechanical strength, convenient production and the like of the elastic sensitive element of the mechanical pressure gauge.

Pressure gauge structures are commonly available for measuring the pressure of a gas or liquid in order to obtain important parameters of the pressure in production. Since many of the liquids or gases to be measured are corrosive and many of the components of the pressure gauge are not corrosion resistant, the liquids or gases to be measured can corrode the pressure gauge.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an isolation sleeve formula pressure transmission device can effectively solve the problem that the pressure gauge can be corroded among the background art.

The technical scheme for realizing the purpose is as follows: the utility model provides an isolation sleeve type pressure transmission device, includes the casing, from up being equipped with first screw hole, the transmission hole that communicate each other, placing hole and second screw hole down in proper order in the casing, second screw hole female connection installation cover, establish the third screw hole in the installation cover, third screw hole threaded connection manometer, the surface of casing is equipped with a plurality of fin.

Preferably: the lower end face of the second threaded hole is provided with a gasket, a spacer bush is placed on the upper surface of the gasket and is located in the placing hole, a first sealing gasket is placed on the upper surface of the spacer bush, and the upper surface of the first sealing gasket is in contact with the lower surface of the mounting sleeve.

Preferably: a first round hole is formed in the mounting sleeve, and a second sealing gasket is arranged between the mounting sleeve and the pressure gauge.

Preferably: the first sealing gasket is provided with a through hole, and the second sealing gasket is internally provided with a second round hole.

Preferably, the following components: the casing is internally provided with a downward inclined sliding groove, the sliding groove is positioned between the first threaded hole and the placing hole, the sliding groove is communicated with the transfer hole, the sliding groove is movably connected with a stop block, and the stop block is made of iron materials.

Preferably, the following components: the end face of the higher end of the sliding groove is provided with a first electromagnet, and the end face of the lower end of the sliding groove is provided with a second electromagnet.

Preferably: the conduction liquid is arranged in the inner part.

Preferably: the first sealing gasket, the second sealing gasket, the gasket and the spacer bush are made of corrosion-resistant materials.

The technical effects of the utility model:

1) the spacer sleeve isolates corrosive liquid to be detected from a detection end of the pressure gauge, in order to avoid inaccurate detection, the spacer sleeve is filled with a conducting liquid, the spacer sleeve is extruded and deformed by the detected pressure, the spacer sleeve conducts the received pressure to the conducting liquid, the conducting liquid transmits the received pressure to the pressure gauge, and the conducting liquid is non-corrosive, so that the pressure gauge is protected, and the accuracy of the detected pressure is improved;

2) be equipped with the decurrent sliding tray in the casing, the sliding tray is located first screw hole and places between the hole, and sliding tray intercommunication transmission hole, dog whereabouts time transmission hole is plugged up completely, avoids leading to the spacer to damage because of the accident, and the conduction liquid in the spacer is revealed and is flowed down to the pollution is detected the raw materials.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention in operation;

FIG. 3 is a cross-sectional view of the present invention as it is closed;

fig. 4 is an enlarged view of a in fig. 3.

In the figure: 1. a housing; 2. installing a sleeve; 3. a pressure gauge; 4. a heat sink; 5. a transfer aperture; 6. placing holes; 7. a first threaded hole; 8. a gasket; 9. a spacer bush; 10. a first gasket; 11. a second gasket; 12. a first circular hole; 13. a second circular hole; 14. a sliding groove; 15. a stopper; 16. a first electromagnet; 17. a second threaded hole; 18. a second electromagnet.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1-4, the isolation sleeve type pressure transmission device of the present invention comprises a housing 1, a first threaded hole 7, a transmission hole 5, a placing hole 6 and a second threaded hole 17 are sequentially formed in the housing 1 from bottom to top, the second threaded hole 17 is in threaded connection with a mounting sleeve 2, a third threaded hole is formed in the mounting sleeve 2, the third threaded hole is in threaded connection with a pressure gauge 3, a gasket 8 is arranged on the lower end surface of the second threaded hole 17, a spacer 9 is arranged on the upper surface of the gasket 8, a conductive liquid is arranged in the spacer 9, the spacer 9 is located in the placing hole 6, a first sealing gasket 10 is arranged on the upper surface of the spacer 9, the upper surface of the first sealing gasket 10 contacts the lower surface of the mounting sleeve 2, a first round hole 12 is formed in the mounting sleeve 2, a second sealing gasket 11 is arranged between the mounting sleeve 2 and the pressure gauge 3 to prevent the conductive liquid from leaking out, a through hole is formed in the sealing gasket 10, be equipped with second round hole 13 in the sealed 11 of second, make things convenient for the conduction liquid to pass through, first sealed pad 10, the sealed 11 of second, packing ring 8 and spacer 9 all adopt corrosion-resistant material, the surface of casing 1 is equipped with a plurality of fin 4, spacer 9 is with the detection end that is detected liquid isolation manometer 3 of corrosivity, for avoiding detecting inaccurately, be equipped with the conduction liquid in spacer 9, the pressure of detection is with spacer 9 extrusion deformation, spacer 9 will receive pressure conduction to the conduction liquid, the pressure transmission that the conduction liquid will receive is for the manometer, the conduction liquid is noncorrosive, so both protected manometer 3, the accuracy of detection pressure has been improved again.

In another embodiment:

be equipped with decurrent sliding tray 14 in the casing 1, sliding tray 14 is located first screw hole 7 and places between the hole 6, sliding tray 14 intercommunication transfer hole 5, swing joint dog 15 in the sliding tray 14, the iron material of dog 15, the terminal surface of the higher one end of sliding tray 14 is equipped with first electro-magnet 16, the terminal surface of lower one end is equipped with second electro-magnet 18, dog 15 whereabouts time transfer hole 5 is stopped up completely, avoid leading to the spacer 9 to damage because of the accident, the conducting liquid in the spacer 9 is revealed and is flowed down, thereby the pollution is detected the raw materials, first electro-magnet 16 and second electro-magnet 18 all adopt prior art, its model can adopt JL-0735N 28.

The working principle is as follows:

after a gasket 8, a spacer 9 and a second sealing gasket 10 are sequentially placed in a second threaded hole 17, the mounting sleeve 2 is screwed into the second threaded hole 17, the second sealing gasket 11 is placed in the mounting sleeve 2, then conducting liquid is added into the mounting sleeve 2, the conducting liquid enters a first round hole 12 from a second round hole 13, then enters a through hole of the first sealing gasket 10 from the first round hole 12 and enters the spacer 9 from the through hole until the conducting liquid overflows the second round hole 13, a pressure gauge 3 is rotated above the mounting sleeve 2, and the mounting of the device is completed at the position where the first threaded hole 7 is rotated to be detected;

during detection, detected gas or liquid enters the placing hole 6 from the transfer hole 5, the spacer 9 is extruded and deformed by the detected gas or liquid, the pressure received by the spacer 9 is transferred to the conducting liquid, the conducting liquid enters the first round hole 12 through the through hole of the first sealing gasket 10, enters the second round hole 13 from the first round hole 12, the pressure is transferred to the detection port below the pressure gauge 3 from the second round hole 13, and the pressure gauge 3 displays the detected pressure;

in another embodiment:

the first electromagnet 16 is electrified, the stop block 15 slides upwards in the sliding groove 14 until the stop block 15 is adsorbed on the surface of the first electromagnet 16, at the moment, the transfer hole 5 is completely unobstructed, the detected gas or liquid enters the placing hole 6 from the transfer hole 5, the detected gas or liquid extrudes and deforms the spacer 9, the spacer 9 conducts the received pressure to the conducting liquid, the conducting liquid enters the first round hole 12 through the through hole of the first sealing gasket 10, enters the second round hole 13 from the first round hole 12, and then transmits the pressure to the detection port below the pressure gauge 3 from the second round hole 13, the pressure gauge 3 displays the detected pressure, after the spacer 9 is damaged, the conducting liquid can drop into the detected pipeline from the transfer hole 5, so that the detected liquid or gas is polluted, at the moment, the first electromagnet 16 is closed, the second electromagnet 18 is started, under the action of the magnetic force of the second electromagnet 18, dog 15 slides down in sliding tray 14, and until dog 15 contact second electro-magnet 18's surface, at this moment, dog 15 blocks transfer hole 5, and the conducting liquid can drip at the upper surface of dog 15 to avoided the conducting liquid to drip into the pipeline that is detected, caused the pollution of being detected the object.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (8)

1. The utility model provides an isolation sleeve type pressure transmission device, its characterized in that, includes casing (1), follow first screw hole (7), transmission hole (5), place hole (6) and second screw hole (17) that up are equipped with each other intercommunication in proper order down in casing (1), second screw hole (17) female connection installation cover (2), establish the third screw hole in installation cover (2), third screw hole threaded connection manometer (3), the surface of casing (1) is equipped with a plurality of fin (4).

2. The isolation sleeve type pressure transfer apparatus according to claim 1, wherein: the lower terminal surface of second screw hole (17) is equipped with packing ring (8), spacer (9) have been placed to the upper surface of packing ring (8), spacer (9) are located place in hole (6), first sealed pad (10) have been placed to the upper surface of spacer (9), the upper surface contact of first sealed pad (10) the lower surface of installation cover (2).

3. The isolation sleeve type pressure transfer apparatus according to claim 2, wherein: be equipped with first round hole (12) in installation cover (2), be equipped with second sealed pad (11) between installation cover (2) and manometer (3).

4. The isolation sleeve type pressure transfer apparatus of claim 3, wherein: the first sealing gasket (10) is provided with a through hole, and the second sealing gasket (11) is internally provided with a second round hole (13).

5. The isolation sleeve type pressure transfer device according to claim 1, wherein: be equipped with decurrent sliding tray (14) in casing (1), sliding tray (14) are located between first screw hole (7) and the placing hole (6), sliding tray (14) intercommunication transfer hole (5), swing joint dog (15) in sliding tray (14), the iron material of dog (15).

6. The isolation sleeve type pressure transfer apparatus of claim 5, wherein: the end face of the higher end of the sliding groove (14) is provided with a first electromagnet (16), and the end face of the lower end of the sliding groove is provided with a second electromagnet (18).

7. The isolation sleeve type pressure transfer apparatus according to claim 2, wherein: and the spacer sleeve (9) is internally provided with a conductive liquid.

8. The isolation sleeve type pressure transfer apparatus of claim 4, wherein: the first sealing gasket (10), the second sealing gasket (11), the gasket (8) and the spacer bush (9) are made of corrosion-resistant materials.

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