CN210664863U

CN210664863U - Pressure gauge convenient to install

Info

Publication number: CN210664863U
Application number: CN201921721898.6U
Authority: CN
Inventors: 胡小燕; 肖波; 赵万水
Original assignee: Hongqi Meter Co ltd
Current assignee: Hongqi Meter Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-06-02
Anticipated expiration: 2029-10-14

Abstract

The utility model provides a manometer easy to assemble, including table body and cylindrical connecting pipe, be equipped with the measuring component who is used for the pressure measurement in the table body, the connecting pipe passes the table body and links to each other with measuring component, the one end that the table body was kept away from to the connecting pipe is equipped with the measurement mouth that is used for making the gas or the liquid that treat the pressure measurement get into, the lateral wall of the one end of keeping away from the table body on the connecting pipe is equipped with connecting portion, connecting portion are equipped with a plurality of along the coaxial connecting pipe axial, and the diameter of each connecting portion of direction along keeping away from the table body reduces gradually, each connecting portion form the echelonment, all be equipped with the screw thread on every connecting portion, and the path of the screw thread on the. Because the tail end of the connecting pipe is provided with the stepped connecting parts with different radiuses, and the diameters of the connecting parts are gradually reduced along the direction far away from the watch body, when the connecting pipe is installed on screw holes with different apertures, the connecting pipe can be connected to the different connecting parts through threads according to the sizes of the apertures.

Description

Pressure gauge convenient to install

Technical Field

The utility model relates to a measuring instrument's technical field especially relates to a manometer easy to assemble.

Background

Currently, in the industry, the pressure of gas or liquid in a pipeline and an instrument is often required to be measured, and a pressure gauge is required to measure the pressure.

The existing pressure gauge, as published in application No. CN20192005314.9, comprises a watchcase, wherein one side of the watchcase is provided with a connector, a cavity is arranged in the watchcase, a vertical rod is fixed on a side wall at one end in the watchcase, one end of the vertical rod is connected with a mounting plate, the mounting plate is provided with a mounting groove, a rubber pad is mounted at the bottom in the mounting groove, a lower clamping plate is detachably connected on the rubber pad, two support rods are fixed on the lower clamping plate, an upper clamping plate is jointly fixed at the upper ends of the two support rods, the lower clamping plate is provided with two first mounting holes and two second mounting holes, a first rotating shaft is jointly penetrated and arranged in the two first mounting holes, the first rotating shaft is rotatably connected with a connecting block, a pull rod is fixed on the connecting block through an adjusting screw, one end of the pull rod is fixed with a spring, two second mounting holes run through jointly and are equipped with the second pivot, be fixed with sun gear in the second pivot, sun gear and sector gear intermeshing, install the pointer in the second pivot, one side of watchcase is equipped with the panel, the one end of second pivot runs through the panel and extends to the upper end of panel, pointer and panel mutually correspond, the one end of spring pipe is connected with the connecting rod, the one end lateral wall of watchcase and connector is run through to the one end of connecting rod and extends to one side of connector.

The above prior art solution has the following drawbacks: the pressure gauge is connected to an instrument needing pressure measurement through threads, and the screw holes have different specifications, so that the same pressure gauge cannot be mounted on the screw holes of different specifications, and the instrument is not high in universality.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a manometer easy to assemble has the effect that is applicable to multiple screw hole.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a manometer easy to assemble, including table body and cylindrical connecting pipe, be equipped with the measuring component who is used for the pressure measurement in the table body, the connecting pipe passes the table body and links to each other with measuring component, the one end that the table body was kept away from to the connecting pipe is equipped with the measurement mouth that is used for making the gas or the liquid that treat the pressure measurement get into, the lateral wall of the one end of keeping away from the table body on the connecting pipe is equipped with connecting portion, connecting portion are equipped with a plurality of along the coaxial fixed of connecting pipe axial, and the diameter of every section connecting portion all is greater than the diameter of keeping away from the next section connecting portion of table body orientation, each connecting portion form the echelonment, all be equipped with the screw thread on every connecting portion, and the path of.

Through above-mentioned technical scheme, because be equipped with the connecting portion of the inequality echelonment of multistage radius at the connecting pipe end, and the diameter of each connecting portion of direction along keeping away from the table body reduces gradually, and this makes when installing the screw in different apertures, can be according to the big or small threaded connection in aperture to different connecting portions, can be connected with the screw hole in multiple aperture, and the suitability is strong.

The utility model discloses a further set up to: and a sealing ring for enhancing the sealing property is arranged on each connecting part.

Through above-mentioned technical scheme, after rotation portion threaded connection in screw, sealing washer and the inside inseparable laminating of screw have strengthened the leakproofness between installation back screw and the manometer.

The utility model discloses a further set up to: the first screwing piece for screwing the tool during installation is fixedly sleeved outside the side wall of the connecting pipe.

Through the technical scheme, when the pressure gauge is screwed to the screw hole, the connecting pipe can be screwed more conveniently by using tools such as a spanner by using the first screwing piece, and the connection between the pressure gauge and the screw hole can be firmer by using the tools for screwing.

The utility model discloses a further set up to: the connecting pipe divide into fixed pipe and rotating-tube, rotating-tube one end is passed the gauge outfit and is linked to each other with measuring component, the other end offsets with fixed pipe, connecting portion locate the one end that fixed pipe kept away from the rotating-tube, the fixed go-between that is equipped with in one end that fixed pipe is close to the rotating-tube, the external diameter and the go-between external diameter of rotating-tube are the same, be equipped with protruding screw thread on the one end outer wall that the rotating-tube is close to fixed pipe, the cover is equipped with fixed lantern ring on fixed pipe, the one end and the rotating-tube threaded connection that the rotating-tube is close to the fixed lantern ring, the other end is inwards buckled and is closely supported.

Through above-mentioned technical scheme, because back on being connected to the instrument through the screw thread when the manometer, can not guarantee the one side orientation of manometer registration and make things convenient for the direction of staff's reading, so probably have the condition that needs adjustment manometer angle after the installation, the fixed lantern ring of just this moment accessible pine soon makes the fixed lantern ring no longer butt in the go-between, and the rotating tube just can freely rotate on fixed pipe with the gauge body, after rotating required angle, again will fix the lantern ring and screw up in the rotating tube can. The angle of the watch body can be conveniently adjusted, and the reading of workers after installation is convenient.

The utility model discloses a further set up to: be equipped with annular coordination block on the terminal surface that the rotating tube is close to fixed pipe one end, coordination block and rotating tube are coaxial, and the radius of coordination block inner wall and rotating tube inner wall is the same and be linked together, has seted up the coordination groove with coordination block matched with on the terminal surface that the go-between is close to rotating tube one end, and when rotating tube and fixed pipe offset, coordination block outer wall and coordination groove inner wall offset, and the inner wall of rotating tube, coordination block and fixed pipe is all coaxial continuous and the radius is all the same.

Through the technical scheme, when the rotating pipe and the fixed pipe are abutted, the inner walls of the rotating pipe and the fixed pipe can be accurately and coaxially abutted, so that gas or liquid in the fixed pipe can more smoothly enter the rotating pipe; and the arrangement of the coordination block and the coordination groove increases the total area between the rotating pipe and the fixed pipe, and can enhance the sealing property between the rotating pipe and the fixed pipe.

The utility model discloses a further set up to: and a sealing gasket for enhancing the sealing property is arranged on the inner bottom surface of the coordination groove.

Through the technical scheme, after the rotating pipe is abutted to the fixed pipe, the sealing gasket is tightly attached to the end face of the coordination block, and the sealing property between the rotating pipe and the fixed pipe can be enhanced.

The utility model discloses a further set up to: the side wall of the rotating pipe close to one side of the fixed pipe is provided with a limit ring groove, one end of the fixed lantern ring close to the rotating pipe is bent inwards and buckled into the limit ring groove, and when the rotating pipe is abutted to the fixed pipe and the fixed lantern ring is in threaded connection with the rotating pipe, a gap is reserved between the part of the fixed lantern ring buckled into the limit ring groove and the axial side wall of the limit ring groove.

Through above-mentioned technical scheme, make fixed lantern ring can only remove in the spacing within range of spacing annular, can prevent that fixed lantern ring from deviating from fixed pipe, also can prevent that the rotating tube from deviating from in the fixed cover ring.

The utility model discloses a further set up to: and a second screwing piece for facilitating screwing of a tool is fixedly sleeved outside the fixed lantern ring.

Through the technical scheme, when the fixing lantern ring needs to be unscrewed or screwed, the connecting pipe can be screwed more conveniently by tools such as a wrench by utilizing the second screwing piece, and the fixing lantern ring can be unscrewed more laborsavingly or screwed more conveniently and firmly by using the tools for screwing.

To sum up, the utility model discloses following beneficial effect has:

1. the screw thread with different sizes can be adapted to screw holes with different sizes, and the applicability is strong;

2. the pressure gauge has good sealing performance;

3. the rotation angle of the watch body can be adjusted, and the reading of workers can be facilitated after the adjustment;

4. the pressure gauge is convenient to use and is detached or installed.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a cross-sectional view of the tightening of the retaining collar;

fig. 3 is a cross-sectional view of the loose state of the retaining collar.

In the figure, 10, the watch body; 20. a connecting pipe; 21. a connecting portion; 211. a seal ring; 22. a first screw; 23. rotating the tube; 231. a bit matching block; 232. a limiting ring groove; 24. a fixed tube; 241. a connecting ring; 242. a fixed collar; 243. a positioning groove; 244. a gasket; 25. a second screw.

Detailed Description

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

Referring to fig. 1, an easy-to-install pressure gauge includes a gauge body 10 and a cylindrical connection pipe 20, a measurement module (not shown) for measuring pressure is provided in the gauge body 10, the connection pipe 20 passes through the gauge body 10 and is connected to the measurement module, a measurement port for allowing gas or liquid to be measured to enter is provided at an end of the connection pipe 20 away from the gauge body 10, the outer side wall of one end of the connecting pipe 20 far away from the watch body 10 is provided with three connecting parts 21, the three connecting parts 21 are coaxially arranged along the axial direction of the connecting pipe 20, and the diameter of each section of connecting part 21 is larger than that of the next section of connecting part 21 far away from the watch body 10, each connecting part 21 is in a step shape, a screw thread is provided on each connecting portion 21, and the small diameter of the screw thread on the connecting portion 21 relatively close to the case 10 is larger than the large diameter of the screw thread on the connecting portion 21 relatively far from the case 10, and a seal ring 211 for enhancing sealability is provided on each connecting portion 21. A first screw 22 for facilitating the screwing of a tool during installation is further fixed on the side wall of the connecting pipe 20, and the first screw 22 is a regular hexagon coaxial with the connecting pipe 20.

In the above structure, since the connecting part 21 having the stepped shape with different radiuses is provided at the end of the connecting pipe 20, and the diameter of each connecting part 21 is gradually reduced along the direction away from the watch body 10, when the connecting pipe is mounted on the screw holes with different diameters, the connecting pipe can be connected to different connecting parts 21 by the screw threads according to the size of the diameter, and can be connected with the screw holes with various diameters.

Referring to fig. 2 and 3, the connection tube 20 is further divided into a fixed tube 24 and a rotating tube 23, one end of the rotating tube 23 penetrates through the watch body 10 and is connected to the measuring assembly, the other end of the rotating tube 23 abuts against the fixed tube 24, the connection portion 21 is disposed at one end of the fixed tube 24 far away from the rotating tube 23, a connection ring 241 is fixedly disposed at one end of the fixed tube 24 close to the rotating tube 23, and the outer diameter of the rotating tube 23 is the same as the outer diameter of the connection ring 241. The outer wall of one end of the rotating pipe 23 close to the fixed pipe 24 is provided with a convex thread, the fixed pipe 24 is sleeved with a fixed lantern ring 242, one end of the fixed lantern ring 242 close to the rotating pipe 23 is in threaded connection with the rotating pipe 23, the other end of the fixed lantern ring 242 is bent inwards and tightly abutted to one side of the connecting ring 241 close to the fixed pipe 24, and the inner walls of the fixed pipe 24 and the rotating pipe 23 are coaxially communicated.

Referring to fig. 2 and 3, a limit ring groove 232 is formed on a side wall of the rotating pipe 23 close to the fixed pipe 24, one end of the fixed collar 242 close to the rotating pipe 23 is bent inward and is buckled into the limit ring groove 232, and when the rotating pipe 23 abuts against the fixed pipe 24 and the fixed collar 242 is screwed to the rotating pipe 23, a gap is left between a part of the fixed collar 242 buckled into the limit ring groove 232 and an axial side wall of the limit ring groove 232. And a second screw 25 for facilitating the screwing of the tool is arranged on the outer wall of the fixed collar 242, and the second screw 25 is a regular hexagon which is coaxial with the fixed collar 242.

With the above structure, the fixing collar 242 can be loosened to prevent the fixing collar 242 from abutting on the connection ring 241, the rotating tube 23 and the watch body 10 can freely rotate on the fixing tube 24, and the fixing collar 242 can be screwed on the rotating tube 23 after rotating to a desired angle. The fixing collar 242 can move only within the limit range of the limit ring groove 232, and thus the fixing collar 242 can be prevented from being removed from the fixing tube 24, and the rotating tube 23 can be prevented from being removed from the fixing collar 242.

Referring to fig. 2 and 3, an annular coordination block 231 is arranged on the end surface of the rotating tube 23 close to one end of the fixed tube 24, the coordination block 231 is coaxial with the rotating tube 23, the radii of the inner wall of the coordination block 231 and the inner wall of the rotating tube 23 are the same and are communicated, a coordination groove 243 matched with the coordination block 231 is arranged on the end surface of the connecting ring 241 close to one end of the rotating tube 23, when the rotating tube 23 and the fixed tube 24 are abutted, the outer wall of the coordination block 231 is abutted against the inner wall of the coordination groove 243, and the inner walls of the rotating tube 23, the coordination block 231 and the fixed tube 24 are coaxially connected and have the same radii. A gasket 244 for enhancing sealing performance is provided on the inner bottom surface of the coordination groove 243.

In the structure, when the rotating pipe 23 and the fixed pipe 24 are abutted, the inner walls of the rotating pipe 23 and the fixed pipe 24 can be accurately and coaxially abutted, so that gas or liquid in the fixed pipe 24 can more smoothly enter the rotating pipe 23; and the arrangement of the aligning block 231 and the aligning groove 243 increases the total area between the rotating tube 23 and the fixed tube 24. And the sealing gasket 244 is matched, so that the sealing property can be greatly enhanced.

The implementation principle of the embodiment is as follows:

1. when the connecting part 21 is installed, the connecting part 21 is inserted into a screw hole to be connected, and the connecting part 21 matched with the size of the screw hole is connected to the screw hole in a threaded mode;

2. the connecting portion 21 is tightened by the first screw 22 with a tool such as a wrench;

3. the fixing collar 242 is unscrewed, so that the fixing collar 242 does not abut against the connecting ring 241 any more, and the rotating tube 23 can rotate freely relative to the fixing tube 24;

4. the angle of the watch body 10 is adjusted to facilitate reading of workers, and then the fixing lantern ring 242 is screwed tightly to fix the rotating pipe 23 and the fixing pipe 24 through friction after abutting;

5. the fixing collar 242 is screwed to be completely fastened by a wrench or other tool through the second screwing member 25, so that the sufficient sealing and fixing effects are achieved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a manometer easy to assemble, is equipped with the measuring component who is used for the pressure measurement including table body (10) and columnar connecting pipe (20) in table body (10), and connecting pipe (20) pass table body (10) and link to each other with measuring component, and the one end that table body (10) were kept away from in connecting pipe (20) is equipped with the measuring mouth that is used for making the gas or the liquid entering of treating the pressure measurement, its characterized in that: the outer side wall of one end, far away from the watch body (10), of the connecting pipe (20) is provided with a plurality of connecting portions (21), the connecting portions (21) are axially and coaxially fixed along the connecting pipe (20), the diameter of each connecting portion (21) is larger than that of the next connecting portion (21) far away from the watch body (10), each connecting portion (21) forms a step shape, threads are arranged on each connecting portion (21), and the small diameter of the threads on the connecting portions (21) relatively close to the watch body (10) is larger than the large diameter of the threads on the connecting portions (21) relatively far away from the watch body (10).

2. A pressure gauge easy to install as claimed in claim 1, wherein: a sealing ring (211) for enhancing the sealing property is provided on each connecting portion (21).

3. A pressure gauge easy to install as claimed in claim 1, wherein: a first screwing element (22) for facilitating the screwing of a tool during installation is fixedly sleeved outside the connecting pipe (20).

4. A pressure gauge easy to install as claimed in claim 1, wherein: the connecting pipe (20) is divided into a fixed pipe (24) and a rotating pipe (23), one end of the rotating pipe (23) penetrates through the watch body (10) and is connected with the measuring component, the other end of the rotating pipe (23) is abutted against the fixed pipe (24), the connecting part (21) is arranged at one end of the fixed pipe (24) far away from the rotating pipe (23), a connecting ring (241) is fixedly arranged at one end of the fixed pipe (24) close to the rotating pipe (23), the outer diameter of the rotating pipe (23) is the same as that of the connecting ring (241), the outer wall of one end of the rotating pipe (23) close to the fixed pipe (24) is provided with convex threads, the fixed sleeve ring (242) is sleeved on the fixed pipe (24), one end, close to the rotating pipe (23), of the fixed sleeve ring (242) is in threaded connection with the rotating pipe (23), the other end of the fixed sleeve ring is bent inwards and tightly abutted to one side, close to the fixed pipe (24), of the connecting ring (241), and the inner walls of the fixed pipe (24) and the rotating pipe (23) are coaxially communicated.

5. An easy to install pressure gauge according to claim 4, wherein: be equipped with annular piece (231) of joining in marriage on the terminal surface that live tube (23) is close to fixed pipe (24) one end, it is coaxial with live tube (23) to join in marriage piece (231), it is the same and be linked together with the radius of live tube (23) inner wall to join in marriage piece (231), it joins in marriage position groove (243) with joining in marriage piece (231) matched with to have seted up on the terminal surface that go up ring (241) is close to live tube (23) one end, when live tube (23) and fixed pipe (24) offset, it offsets with joining in marriage position groove (243) inner wall to join in marriage piece (231), and live tube (23), the equal coaxial continuous and equal radius homogeneous phase of inner wall that joins in marriage piece (231) and fixed pipe (24).

6. An easy to install pressure gauge as claimed in claim 5, wherein: a gasket (244) for enhancing the sealing property is provided on the inner bottom surface of the coordination groove (243).

7. An easy to install pressure gauge according to claim 4, wherein: the side wall of the rotating pipe (23) close to one side of the fixed pipe (24) is provided with a limiting ring groove (232), one end of the fixed sleeve ring (242) close to the rotating pipe (23) is bent inwards and buckled into the limiting ring groove (232), and when the rotating pipe (23) is abutted to the fixed pipe (24) and the fixed sleeve ring (242) is in threaded connection with the rotating pipe (23), a gap is reserved between the part of the fixed sleeve ring (242) buckled into the limiting ring groove (232) and the axial side wall of the limiting ring groove (232).

8. An easy to install pressure gauge according to claim 4, wherein: a second screwing piece (25) for facilitating the screwing of the tool is fixedly sleeved outside the fixed sleeve ring (242).