CN211013316U

CN211013316U - Isolating device for pressure gauge

Info

Publication number: CN211013316U
Application number: CN202020068231.7U
Authority: CN
Inventors: 朱浩伟; 程焕焕; 赵丹丹; 王鑫卫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-07-14
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses an isolating device for manometer, including the manometer body, the bottom fixedly connected with upper pipe of manometer body, and the bottom cover of upper pipe has first mouth end sealing strip, the bottom fixedly connected with isolating device body of first mouth end sealing strip, and the bottom fixedly connected with second mouth end sealing strip of isolating device body, the bottom parcel of second mouth end sealing strip has the lower pipeline, the inside fixedly connected with third gear in right side of isolating device body. The utility model discloses be provided with first injection syringe and first ring sealing strip, the isolating device body is a whole, and through the complete leakproofness of two layers isolation protection of first injection syringe and first ring sealing strip, prevent to influence the testing result, get into the blast pipe through medium liquid, rotate first rotation piece and get rid of isolating device body inside air and unnecessary medium liquid, guarantee the leakproofness and avoid influencing the testing result.

Description

Isolating device for pressure gauge

Technical Field

The utility model relates to a manometer technical field specifically is an isolating device for manometer.

Background

The pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the environmental pressure, is very commonly applied, almost extends to all the fields of industrial processes and scientific researches, and particularly in the industrial process control and technical measurement process, because the elastic sensitive element of the mechanical pressure gauge has the characteristics of high mechanical strength, convenient production and the like, the mechanical pressure gauge is more and more widely applied.

Most of existing pressure gauge isolation devices are fixedly sealed through threads, but the threads can be worn in the using process, the tightness of the device cannot be guaranteed, the test result is influenced, the existing device can refract medium liquid in the using process, gas can not be discharged in the device in the injection process, the detection result is influenced, and therefore the isolation device for the pressure gauge is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an isolating device for manometer to the unable exhaust problem of having a small amount of gas in can't guaranteeing leakproofness and the device through the thread tightening that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an isolating device for a pressure gauge comprises a pressure gauge body, wherein an upper pipeline is fixedly connected to the bottom end of the pressure gauge body, a first port end sealing strip is sleeved at the bottom end of the upper pipeline, an isolating device body is fixedly connected to the bottom end of the first port end sealing strip, a second port end sealing strip is fixedly connected to the bottom end of the isolating device body, a lower pipeline is wrapped at the bottom end of the second port end sealing strip, a third gear is fixedly connected to the inner portion of the right side of the isolating device body, a first gear is meshed with the surface of the left side of the third gear, a second injection tube is fixedly connected to the front side of the first gear, a second ring sealing strip is fixedly connected to the surface of the second injection tube, a second rotating block is fixedly connected to the back side of the third gear, a first injection tube is fixedly connected to the front side of the third gear, and a first ring sealing strip is fixedly connected to the surface, the inside fixedly connected with blast pipe in left side of isolating device body, and the top fixedly connected with glass pipe of blast pipe, the left side fixed surface of isolating device body is connected with first sealing strip, and the inside of first sealing strip is inserted and is equipped with the connecting rod, the first rotation piece of left side fixedly connected with of connecting rod, the right side fixedly connected with second gear of connecting rod, and the surface toothing of second gear has the ejector pad, the sealed pad of top fixedly connected with of ejector pad, the left side top fixedly connected with second sealing strip of isolating device body.

Preferably, the first injection pipe is of a cylindrical structure, and the interior of the first injection pipe is hollowed.

Preferably, the second injection tube is a cylindrical structure, and the radius of the second injection tube is larger than that of the first injection tube.

Preferably, the exhaust pipe is of a cylindrical structure, and a hole is formed in the top end surface of the exhaust pipe.

Preferably, the sealing gasket is of a cylindrical structure, and the sealing gasket and the exhaust pipe form a sliding structure.

Preferably, the third gear is a cylindrical structure, and the third gear and the first gear form a rotating structure.

Compared with the prior art, the beneficial effects of the utility model are that: this isolating device for manometer is provided with first injection pipe and first ring sealing strip, and the isolating device body is a whole, keeps apart the complete leakproofness of protection through two layers of first injection pipe and first ring sealing strip, prevents to influence the testing result, gets into the blast pipe through medium liquid, rotates first rotation piece and gets rid of isolating device body inside air and unnecessary medium liquid, guarantees the leakproofness and avoids influencing the testing result.

(1) The device is provided with a first injection pipe and a first annular sealing strip, the isolation device body is a whole, and the first injection pipe and the first annular sealing strip are used for isolating and protecting the complete sealing performance, so that the detection result is prevented from being influenced.

(2) The device gets into the blast pipe through medium liquid, rotates first rotation piece and gets rid of the inside air of isolating device body and unnecessary medium liquid, guarantees the leakproofness and avoids influencing the test result.

Drawings

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

fig. 2 is a schematic top sectional view of the first and second injection tubes of the present invention;

fig. 3 is a rear view of the third gear and the first gear structure of the present invention;

fig. 4 is a schematic side view of the exhaust pipe and the push block structure of the present invention.

In the figure: 1. a pressure gauge body; 2. an upper pipeline; 3. a first port seal; 4. an isolation device body; 5. a second mouth-end sealing strip; 6. a lower pipeline; 7. a first syringe; 8. a first annular sealing strip; 9. a second syringe; 10. a second annular sealing strip; 11. a first gear; 12. a first rotating block; 13. a connecting rod; 14. a first seal strip; 15. an exhaust pipe; 16. a push block; 17. a second gear; 18. a gasket; 19. a second seal strip; 20. a glass tube; 21. a second turning block; 22. a third gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an isolating device for a pressure gauge comprises a pressure gauge body 1, wherein an upper pipeline 2 is fixedly connected to the bottom end of the pressure gauge body 1, a first port sealing strip 3 is sleeved at the bottom end of the upper pipeline 2, an isolating device body 4 is fixedly connected to the bottom end of the first port sealing strip 3, a second port sealing strip 5 is fixedly connected to the bottom end of the isolating device body 4, a lower pipeline 6 is wrapped at the bottom end of the second port sealing strip 5, a third gear 22 is fixedly connected to the inside of the right side of the isolating device body 4, a first gear 11 is meshed with the left side surface of the third gear 22, the third gear 22 is of a cylindrical structure, the third gear 22 and the first gear 11 form a rotary structure, the third gear 22 rotates to drive the first gear 11 to rotate, so that a first injection tube 7 and a second injection tube 9 rotate simultaneously, and channels in the first injection tube 7 and the second injection tube 9 are aligned, make things convenient for injection medium liquid to get into in the isolating device body 4, the positive fixedly connected with second syringe 9 of first gear 11, and the fixed surface of second syringe 9 is connected with second ring sealing strip 10, second syringe 9 is cylindrical structure, and the radius size of second syringe 9 is greater than the radius size of first syringe 7, guarantee that second syringe 9 and first syringe 7 guarantee simultaneously that first gear 11 and third gear 22 are hugged closely when tightly laminating together and be in the same place, convenient rotation.

The back of the third gear 22 is fixedly connected with a second rotating block 21, the front of the third gear 22 is fixedly connected with a first injection pipe 7, the surface of the first injection pipe 7 is fixedly connected with a first annular sealing strip 8, the first injection pipe 7 is of a cylindrical structure, the interior of the first injection pipe 7 is hollow, a medium liquid is injected through the first injection pipe 7 to enter a second injection pipe 9, the medium liquid enters the isolation device body 4 through the second injection pipe 9, the left interior of the isolation device body 4 is fixedly connected with an exhaust pipe 15, the top end of the exhaust pipe 15 is fixedly connected with a glass pipe 20, the exhaust pipe 15 is of a cylindrical structure, the top end surface of the exhaust pipe 15 is provided with a hole, the medium liquid enters the exhaust pipe 15 through the hole after entering the isolation device body 4, the left surface of the isolation device body 4 is fixedly connected with a first sealing strip 14, and a connecting rod 13 is inserted in the first sealing strip 14, the first rotating block 12 of left side fixedly connected with of connecting rod 13, the right side fixedly connected with second gear 17 of connecting rod 13, and the surface meshing of second gear 17 has ejector pad 16, the sealed pad 18 of top fixedly connected with of ejector pad 16, sealed pad 18 is cylindrical structure, and sealed pad 18 constitutes slidingtype structure with blast pipe 15, sealed pad 18 upwards slides and can make the medium liquid in blast pipe 15 in the isolation device body 4 is got rid of in the extrusion, discharge the gas in the isolation device body 4 simultaneously, the left side top fixedly connected with second sealing strip 19 of isolation device body 4.

The working principle is as follows: when the injection device is used, according to the attached drawing 1, the inserted pipeline 6 enters the bottom end of the isolation device body 4, then the inserted pressure gauge body 1 enters the top end of the isolation device body 4, according to the attached drawing 2, the second rotating block 21 is rotated to drive the third gear 22 to rotate, the third gear 22 rotates to drive the first gear 11 to rotate simultaneously, the first injection tube 7 and the second injection tube 9 rotate simultaneously, the radiuses of the first injection tube 7 and the second injection tube 9 are different, after the injection tube rotates for a plurality of circles, inner holes of the first injection tube 7 and the second injection tube 9 are aligned, then medium liquid can be injected into the isolation device body 4, after the injection is completed, the second rotating block 21 is rotated again, and the isolation device body 4 is blocked by the second ring sealing strip 10 and the first ring sealing strip 8, so that the sealing performance in the isolation device body 4 is guaranteed.

According to the attached drawing 1, rotate first rotation block 12 after injecting medium liquid in the isolating device body 4, first rotation block 12 drives connecting rod 13 and makes second gear 17 rotate, second gear 17 rotates and makes the ejector pad 16 go up the promotion sealed pad 18 of sliding, the gas in sealed pad 18 extrusion isolating device body 4 is discharged from blast pipe 15, unnecessary medium liquid in the isolating device body 4 of discharging simultaneously, and can see the volume of getting rid of through glass pipe 20, make simultaneously totally enclosed in the isolating device body 4 when sealed pad 18 pushes away the top, guarantee the testing result.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an isolating device for manometer, includes manometer body (1), its characterized in that: the bottom end of the pressure gauge body (1) is fixedly connected with an upper pipeline (2), the bottom end of the upper pipeline (2) is sleeved with a first port sealing strip (3), the bottom end of the first port sealing strip (3) is fixedly connected with an isolating device body (4), the bottom end of the isolating device body (4) is fixedly connected with a second port sealing strip (5), the bottom end of the second port sealing strip (5) is wrapped with a lower pipeline (6), a third gear (22) is fixedly connected inside the right side of the isolating device body (4), a first gear (11) is meshed with the left side surface of the third gear (22), a second injection pipe (9) is fixedly connected to the front side of the first gear (11), a second ring sealing strip (10) is fixedly connected to the surface of the second injection pipe (9), and a second rotating block (21) is fixedly connected to the back side of the third gear (22), the front surface of the third gear (22) is fixedly connected with a first injection pipe (7), the surface of the first injection pipe (7) is fixedly connected with a first annular sealing strip (8), an exhaust pipe (15) is fixedly connected inside the left side of the isolation device body (4), and the top end of the exhaust pipe (15) is fixedly connected with a glass pipe (20), the left side surface of the isolation device body (4) is fixedly connected with a first sealing strip (14), a connecting rod (13) is inserted in the first sealing strip (14), a first rotating block (12) is fixedly connected to the left side of the connecting rod (13), the right side of the connecting rod (13) is fixedly connected with a second gear (17), a pushing block (16) is engaged on the surface of the second gear (17), the top end of the pushing block (16) is fixedly connected with a sealing gasket (18), the top end of the left side of the isolation device body (4) is fixedly connected with a second sealing strip (19).

2. The isolating device for a pressure gauge according to claim 1, wherein: the first injection pipe (7) is of a cylindrical structure, and the interior of the first injection pipe (7) is hollowed.

3. The isolating device for a pressure gauge according to claim 1, wherein: the second injection pipe (9) is of a cylindrical structure, and the radius of the second injection pipe (9) is larger than that of the first injection pipe (7).

4. The isolating device for a pressure gauge according to claim 1, wherein: the exhaust pipe (15) is of a cylindrical structure, and a hole is formed in the top end surface of the exhaust pipe (15).

5. The isolating device for a pressure gauge according to claim 1, wherein: the sealing gasket (18) is of a cylindrical structure, and the sealing gasket (18) and the exhaust pipe (15) form a sliding structure.

6. The isolating device for a pressure gauge according to claim 1, wherein: the third gear (22) is of a cylindrical structure, and the third gear (22) and the first gear (11) form a rotating structure.