CN210719478U

CN210719478U - Pressure gauge with movably connected front glass

Info

Publication number: CN210719478U
Application number: CN201921775295.4U
Authority: CN
Inventors: 刘军波
Original assignee: Zhoushan Qingfeng Railway Instrument Co ltd
Current assignee: Zhoushan Qingfeng Railway Instrument Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-09
Anticipated expiration: 2029-10-22

Abstract

The utility model provides a front end glass swing joint's manometer, includes the table lid, and table lid inner wall upper portion processing internal thread, installation glass in the table lid, glass top installation watchcase, watchcase bottom form the flanging, installation fastener between watchcase outer wall and the table lid inner wall, the outside processing external screw thread of fastener, the external screw thread with the internal thread matches, fastener top processing has the locating hole, watchcase roof center processing through-hole, watchcase internally mounted table core, the table core is including fixing the screw rod at the top, watchcase top erection joint, the screw rod passes the through-hole and connects threaded connection. During assembly, the screw at the top of the watch core penetrates through the through hole at the top of the watch case to be in threaded connection with the joint, then glass, the sealing ring and the watch case component are placed in the watch cover, and finally the glass, the sealing ring and the watch case component are fixed by the fastener. This manometer makes things convenient for the later stage to the calibration of manometer and dismantle the maintenance through set up swing joint spare in front end gauge outfit department.

Description

Pressure gauge with movably connected front glass

Technical Field

The utility model relates to a front end glass swing joint's manometer.

Background

A pressure gauge is a gauge that measures and indicates the pressure of the environment, and its application is very common, and it is almost spread over all fields of industrial processes and scientific research. The pressure gauge generally comprises a shell, an inner core, front end glass and a joint, wherein the shell and the cover of the traditional pressure gauge are integrally formed, the front end glass is fixedly connected with the bottom of the shell, and the pressure gauge with the structure is difficult to disassemble and difficult to calibrate after being assembled.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides a front end glass swing joint's manometer.

In order to realize the above object, the utility model provides a front end glass swing joint's manometer, including the table lid, table lid inner wall upper portion processing internal thread, installation glass in the table lid, glass top installation watchcase, the watchcase bottom forms the flanging, watchcase outer wall with install the fastener between the table lid inner wall, fastener outside processing external screw thread, the external screw thread with the internal thread matches, fastener top symmetrical processing locating hole, watchcase roof center processing through-hole, watchcase internally mounted core, the core is including fixing the screw rod at the top, watchcase top installation connects, the screw rod passes the through-hole with connect threaded connection.

As the utility model discloses the further improvement, the turn-ups in the table lid bottom processing, the contact of glass bottom surface the turn-ups inner wall.

As a further improvement, the glass top is processed with an annular convex part, glass with the installation sealing washer between the watchcase), the sealing washer internal diameter is greater than annular convex part external diameter.

As a further improvement, the joint bottom is provided with an inner threaded hole, and the inner threaded hole is matched with the screw rod.

As the utility model discloses further improve, screw rod bottom installation sealing washer I.

The utility model has the advantages that:

this manometer makes things convenient for the later stage to the calibration of manometer and dismantle the maintenance through set up the table lid and the glass that can dismantle the connection in watchcase bottom.

Drawings

FIG. 1 is a front view of a pressure gauge with a movable connection of a front glass of the present invention;

FIG. 2 is a cross-sectional view of the watch cover of part 1;

FIG. 3 is a cross-sectional view of the glass of component 2;

FIG. 4 is a cross-sectional view of the seal ring of component 3;

FIG. 5 is a cross-sectional view of the fastener of component 4;

figure 6 is a cross-sectional view of the watch case of part 5;

fig. 7 is a schematic view of the core assembly of the component 6;

fig. 8 is a schematic view of a joint of the component 8.

In the figure: 1. a watch cover; 11. inward flanging; 12. an internal thread; 2. glass; 21. an annular protrusion; 3. a seal ring; 4. a fastener; 41. an external thread; 42. positioning holes; 5. a watch case; 51. flanging; 52. a through hole; 6. a watch movement; 61. a screw; 7. a sealing ring I; 8. a joint; 81. and (4) an internal threaded hole.

Detailed Description

As shown in figure 1, the pressure gauge with the movable connection of the front end glass comprises a gauge cover 1, an internal thread 12 is processed on the upper part of the inner wall of the gauge cover 1, a glass 2 is installed in the gauge cover 1, an internal flanging 11 is processed at the bottom of the gauge cover 1, the bottom surface of the glass 2 contacts the inner wall of the internal flanging 11, a watchcase 5 is installed at the top of the glass 2, an annular convex part 21 is processed at the top of the glass 2, a sealing ring 3 is installed between the glass 2 and the watchcase 5, the inner diameter of the sealing ring 3 is larger than the outer diameter of the annular convex part 21, an outward flanging 51 is formed at the bottom of the watchcase 5, a fastening piece 4 is installed between the outer wall of the watchcase 5 and the inner wall of the gauge cover 1, an external thread 41 is processed outside the fastening piece 4, the external thread 41 is matched with the internal thread 12, positioning holes 42 are symmetrically processed at, and a joint 8 is arranged at the top of the watch case 5, the screw 61 penetrates through the through hole 52 to be in threaded connection with the joint 8, an internal threaded hole 81 is machined at the bottom of the joint 8, and the internal threaded hole 81 is matched with the screw 61.

When in specific use, the utility model is described with the attached drawings for the convenience of understanding;

during assembly, the screw rod at watch core top passes the through-hole at watchcase top and connects the internal thread hole of bottom and close fixedly soon, then place glass in the table lid in proper order, sealing washer and watchcase subassembly, the sealing washer is arranged in on the outer circumference of the annular convex part at glass top, the bottom surface contact glass upper surface of sealing washer, the upper surface contact table lid flanging's of sealing washer bottom surface, fix watchcase and table lid with the fastener at last, use special use to close the instrument soon and stretch into the locating hole at fastener top, then close the fastener soon, the external screw thread of fastener and the internal thread of table lid carry out threaded connection, the bottom surface contact watchcase flanging's of fastener upper surface, so can accomplish the assembly, when needing calibration or maintaining, as long as with the fastener revolve out the table lid can, it is convenient to dismantle.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 front end glass swing joint's manometer which characterized in that: comprises a meter cover (1), wherein the upper part of the inner wall of the meter cover (1) is processed with an internal thread (12), the inside of the watch cover (1) is provided with glass (2), the top of the glass (2) is provided with a watch case (5), a flanging (51) is formed at the bottom of the watch case (5), a fastener (4) is arranged between the outer wall of the watch case (5) and the inner wall of the watch cover (1), the fastener (4) is externally provided with an external thread (41), the external thread (41) is matched with the internal thread (12), the top of the fastening piece (4) is symmetrically provided with positioning holes (42), the center of the top wall of the watch case (5) is provided with a through hole (52), a watch core (6) is arranged in the watch case (5), the watch core (6) comprises a screw rod (61) fixed at the top, the top of the watch case (5) is provided with a joint (8), and the screw rod (61) passes through the through hole (52) to be in threaded connection with the joint (8).

2. The pressure gauge with the movably connected front glass as claimed in claim 1, wherein: the bottom of the meter cover (1) is provided with an inner flanging (11), and the bottom surface of the glass (2) is in contact with the inner wall of the inner flanging (11).

3. The pressure gauge with the movably connected front glass as claimed in claim 1, wherein: an annular convex part (21) is processed at the top of the glass (2), a sealing ring (3) is arranged between the glass (2) and the watch case (5), and the inner diameter of the sealing ring (3) is larger than the outer diameter of the annular convex part (21).

4. The pressure gauge with the movably connected front glass as claimed in claim 1, wherein: and an internal thread hole (81) is processed at the bottom of the joint (8), and the internal thread hole (81) is matched with the screw rod (61).

5. The pressure gauge with the movably connected front glass as claimed in claim 1, wherein: and a sealing ring I (7) is arranged at the bottom of the screw rod (61).